#include "domain/active_register_repository.h"
#include "domain/project_storage.h"
#include "domain/project_limits.h"
#include "domain/register_repository.h"
#include "domain/virtual_register_repository.h"
#include "services/alarm_editor_service.h"
#include "services/alarm_service.h"
#include "services/hmi_editor_service.h"
#include "services/hmi_runtime_service.h"
#include "services/hmi_navigation_service.h"
#include "services/logic_editor_service.h"
#include "services/offline_simulation_service.h"
#include "services/project_service.h"
#include "services/runtime_mode_service.h"
#include "services/register_monitor_service.h"
#include "services/register_comment_service.h"
#include "ui/alarm_configuration_dialog.h"
#include "ui/hmi_editor_widget.h"
#include "ui/free_monitor_widget.h"
#include "ui/logic_editor_widget.h"
#include "ui/main_window.h"
#include "ui/plc_connection_dialog.h"
#include "ui/runtime_monitor_widget.h"
#include "ui/runtime_monitor_window.h"
#include "support/test_support.h"

#include <QAction>
#include <QApplication>
#include <QCheckBox>
#include <QComboBox>
#include <QDialog>
#include <QDockWidget>
#include <QGraphicsItem>
#include <QGraphicsLineItem>
#include <QGraphicsScene>
#include <QImage>
#include <QLabel>
#include <QLineEdit>
#include <QListWidget>
#include <QMenu>
#include <QPainter>
#include <QSpinBox>
#include <QPushButton>
#include <QStringList>
#include <QTableWidget>
#include <QTabBar>
#include <QTabWidget>
#include <QTimer>
#include <QTest>
#include <QToolButton>
#include <QTreeWidget>

#include <algorithm>
#include <iostream>
#include <stdexcept>
#include <string>
#include <vector>

namespace {

using TestProjectStorage = TestSupport::InMemoryProjectStorage;

class RepeatedStatusGateway final : public PlcCommunicationGateway
{
public:
    PlcCommunicationResult connectDevice(
        const PlcSerialConfiguration &) override
    {
        connection_state = PlcConnectionState::Connecting;
        notifyStateChanged();
        connection_state = PlcConnectionState::Connected;
        notifyStateChanged();
        notifyStateChanged();
        return {true, {}};
    }

    void disconnectDevice() override
    {
        connection_state = PlcConnectionState::Disconnected;
        notifyStateChanged();
    }

    PlcCommunicationResult setPollAddresses(
        const std::vector<RegisterAddress> &) override
    {
        return {true, {}};
    }
    PlcConnectionState state() const override { return connection_state; }
    bool initialReadCompleted() const override { return false; }
    PlcCommunicationError lastErrorType() const override
    {
        return PlcCommunicationError::None;
    }
    const std::string &lastError() const override { return last_error; }

    void setCallbacks(
        std::function<void()> state_callback,
        std::function<void(bool)> initial_callback,
        std::function<void()> cache_callback,
        std::function<void(const std::string &)> error_callback) override
    {
        state_changed = std::move(state_callback);
        initial_read_changed = std::move(initial_callback);
        cache_updated = std::move(cache_callback);
        error_reported = std::move(error_callback);
    }

private:
    void notifyStateChanged()
    {
        if (state_changed)
        {
            state_changed();
        }
    }

    PlcConnectionState connection_state = PlcConnectionState::Disconnected;
    std::string last_error;
    std::function<void()> state_changed;
    std::function<void(bool)> initial_read_changed;
    std::function<void()> cache_updated;
    std::function<void(const std::string &)> error_reported;
};

class OnlineReadyGateway final : public PlcCommunicationGateway
{
public:
    PlcCommunicationResult connectDevice(const PlcSerialConfiguration &) override
    {
        connection_state = PlcConnectionState::Connected;
        if (state_changed)
        {
            state_changed();
        }
        return {true, {}};
    }

    void disconnectDevice() override
    {
        connection_state = PlcConnectionState::Disconnected;
        initial_read = false;
        if (initial_read_changed)
        {
            initial_read_changed(false);
        }
        if (state_changed)
        {
            state_changed();
        }
    }

    PlcCommunicationResult setPollAddresses(
        const std::vector<RegisterAddress> &addresses) override
    {
        poll_addresses = addresses;
        return {true, {}};
    }

    PlcConnectionState state() const override { return connection_state; }
    bool initialReadCompleted() const override { return initial_read; }
    PlcCommunicationError lastErrorType() const override { return last_error_type; }
    const std::string &lastError() const override { return last_error; }

    void setCallbacks(
        std::function<void()> state_callback,
        std::function<void(bool)> initial_callback,
        std::function<void()> cache_callback,
        std::function<void(const std::string &)> error_callback) override
    {
        state_changed = std::move(state_callback);
        initial_read_changed = std::move(initial_callback);
        cache_updated = std::move(cache_callback);
        error_reported = std::move(error_callback);
    }

    void completeInitialRead()
    {
        initial_read = true;
        last_error_type = PlcCommunicationError::None;
        last_error.clear();
        if (connection_state == PlcConnectionState::Recovering)
        {
            connection_state = PlcConnectionState::Connected;
            if (state_changed)
            {
                state_changed();
            }
        }
        if (initial_read_changed)
        {
            initial_read_changed(true);
        }
    }

    void timeoutCommunication(const std::string &message)
    {
        initial_read = false;
        last_error_type = PlcCommunicationError::CommunicationTimeout;
        last_error = message;
        connection_state = PlcConnectionState::Faulted;
        if (initial_read_changed)
        {
            initial_read_changed(false);
        }
        if (state_changed)
        {
            state_changed();
        }
        if (error_reported)
        {
            error_reported(last_error);
        }
    }

    void recoverCommunication()
    {
        initial_read = false;
        last_error_type = PlcCommunicationError::None;
        last_error.clear();
        connection_state = PlcConnectionState::Recovering;
        if (state_changed)
        {
            state_changed();
        }
    }

    void loseSerialConnection(const std::string &message)
    {
        initial_read = false;
        last_error_type = PlcCommunicationError::SerialConnectionLost;
        last_error = message;
        connection_state = PlcConnectionState::Disconnected;
        if (initial_read_changed)
        {
            initial_read_changed(false);
        }
        if (state_changed)
        {
            state_changed();
        }
        if (error_reported)
        {
            error_reported(last_error);
        }
    }

    PlcConnectionState connection_state = PlcConnectionState::Disconnected;
    bool initial_read = false;
    PlcCommunicationError last_error_type = PlcCommunicationError::None;
    std::string last_error;
    std::vector<RegisterAddress> poll_addresses;
    std::function<void()> state_changed;
    std::function<void(bool)> initial_read_changed;
    std::function<void()> cache_updated;
    std::function<void(const std::string &)> error_reported;
};

using TestSupport::require;

template<typename ObjectType>
ObjectType *requiredChild(MainWindow &window, const char *name)
{
    // 通过 objectName 取得 Designer 组件，缺失时给出明确测试失败信息
    ObjectType *child = window.findChild<ObjectType *>(QString::fromLatin1(name));
    require(child != nullptr, std::string("missing UI object ") + name);
    return child;
}

QColor renderedColorAt(HmiEditorWidget &view, const QPoint &viewport_position)
{
    QImage image(view.viewport()->size(), QImage::Format_ARGB32_Premultiplied);
    image.fill(Qt::transparent);
    QPainter painter(&image);
    view.viewport()->render(&painter);
    return image.pixelColor(viewport_position);
}

ContactNodeConfig logicContact(int address)
{
    return {RegisterAddress{RegisterArea::M, address}, ContactMode::NormallyOpen};
}

std::string makeEmptyRung(LogicEditorService &service, const std::string &logic_id)
{
    const LogicEditorResult result = service.addRung(logic_id);
    require(result.succeeded, "UI test fixture must create an empty network");
    return result.id;
}

void testLogicEditorBatchDeletesWholeParallelRow()
{
    TestProjectStorage storage;
    ProjectService project_service(storage);
    LogicEditorService service(project_service);
    const std::string logic_id = service.ensureDefaultLogic().id;
    const std::string rung_id = makeEmptyRung(service, logic_id);

    std::vector<std::string> top_ids;
    for (int address = 0; address < 4; ++address)
    {
        const LogicEditorResult result = service.appendCondition(
            logic_id, rung_id, logicContact(address));
        require(result.succeeded,
                "logic UI batch deletion setup contacts must be created");
        top_ids.push_back(result.id);
    }
    const LogicEditorResult lower_first = service.addParallelBranch(
        logic_id, rung_id, top_ids, logicContact(10));
    require(lower_first.succeeded,
            "logic UI batch deletion setup branch must be created");
    std::string lower_tail = lower_first.id;
    for (int address = 11; address < 14; ++address)
    {
        const LogicEditorResult result = service.insertConditionAfter(
            logic_id, rung_id, lower_tail, logicContact(address));
        require(result.succeeded,
                "logic UI batch deletion lower branch contacts must be created");
        lower_tail = result.id;
    }

    LogicEditorWidget view(service);
    view.setLogicId(logic_id);
    qreal lower_row_y = 0.0;
    for (QGraphicsItem *item : view.scene()->items())
    {
        if (qFuzzyCompare(item->zValue(), 3.0))
        {
            lower_row_y = std::max(lower_row_y, item->scenePos().y());
        }
    }
    int selected_count = 0;
    for (QGraphicsItem *item : view.scene()->items())
    {
        if (qFuzzyCompare(item->zValue(), 3.0)
            && qFuzzyCompare(item->scenePos().y(), lower_row_y))
        {
            item->setSelected(true);
            ++selected_count;
        }
    }
    require(selected_count == 4,
            "logic UI batch deletion must select every contact in the lower branch");
    require(view.deleteSelected().succeeded,
            "logic UI must batch delete a complete parallel row");

    const LadderRung *rung = service.findRung(logic_id, rung_id);
    require(rung != nullptr && rung->condition.has_value() && rung->validate(),
            "logic UI batch deletion must leave a valid ladder expression");
    require(rung->condition->kind == ConditionExpressionKind::Series
                && rung->condition->children.size() == 4U,
            "logic UI batch deletion must preserve only the original series row");
    const QList<QGraphicsItem *> rendered_items = view.scene()->items();
    const bool has_vertical_connector = std::any_of(
        rendered_items.cbegin(),
        rendered_items.cend(),
        [](const QGraphicsItem *item)
        {
            return qFuzzyCompare(item->zValue(), 2.5);
        });
    require(!has_vertical_connector,
            "logic UI must not render a vertical connector after removing the branch");
}

void testRuntimeButtonMouseInteraction()
{
    TestProjectStorage storage;
    ProjectService project_service(storage);
    HmiEditorService editor_service(project_service);
    VirtualRegisterRepository repository;
    HmiRuntimeService runtime_service(repository);
    AlarmService alarm_service(project_service, repository);
    const HmiEditorResult page_result = editor_service.ensureDefaultPage();
    require(page_result.succeeded, "runtime button test must create an HMI page");
    const HmiEditorResult button_result = editor_service.addControl(
        page_result.id, HmiControlType::Button);
    require(button_result.succeeded, "runtime button test must create a button");

    HmiControl button = *editor_service.findControl(page_result.id, button_result.id);
    button.binding = RegisterAddress{RegisterArea::M, 0};
    button.buttonOperation = HmiButtonOperation::MomentaryOn;
    require(editor_service.updateControl(page_result.id, button.id, button).succeeded,
            "runtime button test must bind the button to M0");

    HmiEditorWidget view(editor_service, runtime_service, alarm_service);
    view.resize(900, 600);
    view.setPageId(page_result.id);
    view.setEditingEnabled(false);
    view.setRuntimeActive(true);
    view.setRuntimeWriteEnabled(true);
    view.show();
    QApplication::processEvents();

    const QPoint center = view.mapFromScene(QPointF(
        button.bounds.x + button.bounds.width / 2.0,
        button.bounds.y + button.bounds.height / 2.0));
    const QPoint color_sample = view.mapFromScene(QPointF(
        button.bounds.x + 8.0, button.bounds.y + 8.0));
    const QColor normal_color = renderedColorAt(view, color_sample);

    QTest::mouseMove(view.viewport(), center);
    QApplication::processEvents();
    QGraphicsItem *button_item = view.itemAt(center);
    require(button_item != nullptr,
            "runtime button must be hit-testable while writes are enabled");
    require(button_item->cursor().shape() == Qt::PointingHandCursor,
            "runtime button must use a pointing-hand cursor");
    const QColor hovered_color = renderedColorAt(view, color_sample);
    require(hovered_color != normal_color,
            "hovering a runtime button must change its visual state");

    QTest::mousePress(view.viewport(), Qt::LeftButton, Qt::NoModifier, center);
    QApplication::processEvents();
    require(repository.readBit({RegisterArea::M, 0}).value,
            "pressing a momentary runtime button must write M0 ON");
    require(view.scene()->selectedItems().isEmpty(),
            "pressing a runtime button must not show an editing selection");
    const QColor pressed_color = renderedColorAt(view, color_sample);
    require(pressed_color != hovered_color,
            "pressing a runtime button must change its visual state");

    QTest::mouseRelease(view.viewport(), Qt::LeftButton, Qt::NoModifier, center);
    QApplication::processEvents();
    require(!repository.readBit({RegisterArea::M, 0}).value,
            "releasing a momentary runtime button must write M0 OFF");
    require(renderedColorAt(view, color_sample) == hovered_color,
            "releasing a runtime button must restore its hovered visual state");

    view.setRuntimeWriteEnabled(false);
    QApplication::processEvents();
    const QColor disabled_color = renderedColorAt(view, color_sample);
    require(disabled_color != hovered_color,
            "a non-writable runtime button must use its disabled visual state");
    QTest::mouseClick(view.viewport(), Qt::LeftButton, Qt::NoModifier, center);
    require(!repository.readBit({RegisterArea::M, 0}).value,
            "a disabled runtime button must not write its register");
}

void testRuntimeProgressBarRendering()
{
    TestProjectStorage storage;
    ProjectService project_service(storage);
    HmiEditorService editor_service(project_service);
    VirtualRegisterRepository repository;
    HmiRuntimeService runtime_service(repository);
    AlarmService alarm_service(project_service, repository);
    const std::string page_id = editor_service.ensureDefaultPage().id;
    const HmiEditorResult progress_result = editor_service.addControl(
        page_id, HmiControlType::ProgressBar);
    require(progress_result.succeeded,
            "runtime progress test must create a ProgressBar control");

    HmiControl progress = *editor_service.findControl(
        page_id, progress_result.id);
    progress.binding = RegisterAddress{RegisterArea::D, 0};
    progress.progressBar = HmiProgressBarConfig{0, 100, true};
    require(editor_service.updateControl(
                page_id, progress.id, progress).succeeded,
            "runtime progress test must configure a D value range");
    require(repository.writeWord(
                {RegisterArea::D, 0}, static_cast<std::int16_t>(25)).succeeded,
            "runtime progress test must seed D0");

    HmiEditorWidget view(editor_service, runtime_service, alarm_service);
    view.resize(900, 560);
    view.setPageId(page_id);
    view.setEditingEnabled(false);
    view.setRuntimeActive(true);
    view.refreshRuntimeValues();
    view.show();
    QApplication::processEvents();

    const QPoint sample = view.mapFromScene(QPointF(
        progress.bounds.x + progress.bounds.width * 0.6,
        progress.bounds.y + 6.0));
    const QColor background_color = renderedColorAt(view, sample);
    QGraphicsItem *progress_item = view.itemAt(sample);
    require(progress_item != nullptr
                && progress_item->acceptedMouseButtons() == Qt::NoButton,
            "runtime ProgressBar must be visible and read-only");

    require(repository.writeWord(
                {RegisterArea::D, 0}, static_cast<std::int16_t>(75)).succeeded,
            "runtime progress test must update D0");
    view.refreshRuntimeValues();
    QApplication::processEvents();
    const QColor fill_color = renderedColorAt(view, sample);
    require(fill_color != background_color,
            "ProgressBar fill must expand when the D value increases");

    require(repository.writeWord(
                {RegisterArea::D, 0}, static_cast<std::int16_t>(200)).succeeded,
            "runtime progress test must accept an out-of-range source value");
    view.refreshRuntimeValues();
    QApplication::processEvents();
    const QPoint near_end = view.mapFromScene(QPointF(
        progress.bounds.x + progress.bounds.width * 0.95,
        progress.bounds.y + 6.0));
    require(renderedColorAt(view, near_end) == fill_color,
            "ProgressBar rendering must clamp values above its maximum");
}

void testRuntimePageJumpDoesNotRequireRegisterWritePermission()
{
    TestProjectStorage storage;
    ProjectService project_service(storage);
    HmiEditorService editor_service(project_service);
    const std::string source_page = editor_service.ensureDefaultPage().id;
    const std::string target_page = editor_service.addPage("Target").id;
    const HmiEditorResult jump_result = editor_service.addControl(
        source_page, HmiControlType::PageJump);
    HmiControl jump = *editor_service.findControl(source_page, jump_result.id);
    jump.pageJump = HmiPageJumpConfig{target_page};
    require(editor_service.updateControl(
                source_page, jump_result.id, jump).succeeded,
            "PageJump fixture setup must succeed");

    VirtualRegisterRepository repository;
    HmiRuntimeService runtime_service(repository);
    AlarmService alarm_service(project_service, repository);
    HmiEditorWidget view(editor_service, runtime_service, alarm_service);
    view.setPageId(source_page);
    view.setEditingEnabled(false);
    view.setRuntimeActive(true);
    view.setRuntimeWriteEnabled(false);
    view.refreshRuntimeValues();
    view.resize(900, 560);
    view.show();
    QApplication::processEvents();

    QString requested_page;
    QObject::connect(
        &view, &HmiEditorWidget::pageNavigationRequested,
        [&requested_page](const QString &page_id)
        {
            requested_page = page_id;
        });
    QGraphicsItem *jump_item = nullptr;
    for (QGraphicsItem *item : view.scene()->items())
    {
        if (item->zValue() >= 0.0)
        {
            jump_item = item;
            break;
        }
    }
    require(jump_item != nullptr, "PageJump graphics item must be rendered");
    const QPoint center = view.mapFromScene(
        jump_item->mapToScene(jump_item->boundingRect().center()));
    QTest::mouseClick(view.viewport(), Qt::LeftButton, Qt::NoModifier, center);
    require(requested_page == QString::fromStdString(target_page),
            "PageJump must remain active when register writes are disabled");
}

void testRuntimeAlarmListInteraction()
{
    TestProjectStorage storage;
    ProjectService project_service(storage);
    HmiEditorService editor_service(project_service);
    AlarmEditorService alarm_editor_service(project_service);
    VirtualRegisterRepository repository;
    HmiRuntimeService runtime_service(repository);
    AlarmService alarm_service(project_service, repository);

    const std::string page_id = editor_service.ensureDefaultPage().id;
    const HmiEditorResult list_result = editor_service.addControl(
        page_id, HmiControlType::AlarmList);
    require(list_result.succeeded,
            "runtime alarm test must create an AlarmList control");
    const HmiControl *alarm_list = editor_service.findControl(
        page_id, list_result.id);
    require(alarm_list != nullptr && !alarm_list->binding.has_value(),
            "AlarmList must not require a register binding");

    std::vector<std::string> alarm_ids;
    for (int index = 0; index <= ProjectLimits::kMaximumVisibleAlarmRows; ++index)
    {
        AlarmDefinition definition;
        definition.address = RegisterAddress{RegisterArea::M, index};
        definition.condition = AlarmCondition::MOn;
        definition.message = "Alarm " + std::to_string(index);
        const AlarmEditorResult alarm_result =
            alarm_editor_service.addDefinition(definition);
        require(alarm_result.succeeded,
                "runtime alarm test must create paged M alarm definitions");
        alarm_ids.push_back(alarm_result.id);
    }

    AlarmConfigurationDialog configuration_dialog(alarm_editor_service);
    QLineEdit *message_edit = configuration_dialog.findChild<QLineEdit *>(
        QStringLiteral("messageEdit"));
    require(message_edit != nullptr
                && message_edit->maxLength()
                    == static_cast<int>(
                        ProjectLimits::kMaximumAlarmMessageCharacters),
            "alarm configuration must limit messages to 20 characters");

    HmiEditorWidget view(editor_service, runtime_service, alarm_service);
    view.setPageId(page_id);
    QGraphicsItem *alarm_item = nullptr;
    for (QGraphicsItem *item : view.scene()->items())
    {
        if (item->zValue() >= 0.0)
        {
            alarm_item = item;
            break;
        }
    }
    require(alarm_item != nullptr && alarm_item->isVisible(),
            "AlarmList must remain visible while editing");

    view.setEditingEnabled(false);
    view.setRuntimeActive(true);
    view.setRuntimeWriteEnabled(false);
    view.refreshRuntimeValues();
    view.resize(900, 560);
    view.show();
    QApplication::processEvents();
    require(!alarm_item->isVisible(),
            "AlarmList must be hidden when runtime has no active alarm");

    repository.writeBit(RegisterAddress{RegisterArea::M, 0}, true);
    alarm_service.refresh();
    view.refreshRuntimeValues();
    QApplication::processEvents();
    require(alarm_service.records().size() == 1,
            "an active M alarm must be available to AlarmList");
    require(alarm_item->isVisible() && alarm_item->zValue() > 0.0,
            "AlarmList must appear above the page for an active alarm");
    require(alarm_item->boundingRect().height() < alarm_list->bounds.height,
            "a runtime AlarmList with one record must remove unused row space");

    const QPoint header_position = view.mapFromScene(QPointF(
        alarm_list->bounds.x + 20.0, alarm_list->bounds.y + 10.0));
    QTest::mouseClick(
        view.viewport(), Qt::LeftButton, Qt::NoModifier, header_position);
    require(!alarm_service.records().front().acknowledged,
            "clicking the AlarmList header must not acknowledge an alarm");

    const QPoint first_row_position = view.mapFromScene(QPointF(
        alarm_list->bounds.x + 20.0, alarm_list->bounds.y + 34.0));
    QTest::mouseClick(
        view.viewport(), Qt::LeftButton, Qt::NoModifier, first_row_position);
    require(alarm_service.records().front().acknowledged,
            "clicking an active AlarmList row must acknowledge the alarm");

    for (int index = 1; index <= ProjectLimits::kMaximumVisibleAlarmRows; ++index)
    {
        repository.writeBit(RegisterAddress{RegisterArea::M, index}, true);
    }
    alarm_service.reset();
    alarm_service.refresh();
    view.refreshRuntimeValues();
    QApplication::processEvents();
    require(alarm_service.records().size()
                == static_cast<std::size_t>(
                    ProjectLimits::kMaximumVisibleAlarmRows + 1),
            "AlarmList pagination must retain records beyond the visible row limit");
    require(alarm_item->boundingRect().height() == alarm_list->bounds.height,
            "a full AlarmList page must use its configured maximum height");

    const QPoint next_page_position = view.mapFromScene(QPointF(
        alarm_list->bounds.x + alarm_list->bounds.width - 14.0,
        alarm_list->bounds.y + 10.0));
    QTest::mouseClick(
        view.viewport(), Qt::LeftButton, Qt::NoModifier, next_page_position);
    QApplication::processEvents();
    require(alarm_item->boundingRect().height() < alarm_list->bounds.height,
            "the final partial alarm page must shrink to its visible rows");

    QTest::mouseClick(
        view.viewport(), Qt::LeftButton, Qt::NoModifier, first_row_position);
    require(alarm_service.records().back().definitionId == alarm_ids.front()
                && alarm_service.records().back().acknowledged,
            "the next AlarmList page must acknowledge its own first record");

    for (int index = 0; index <= ProjectLimits::kMaximumVisibleAlarmRows; ++index)
    {
        repository.writeBit(RegisterAddress{RegisterArea::M, index}, false);
    }
    alarm_service.refresh();
    view.refreshRuntimeValues();
    QApplication::processEvents();
    require(alarm_service.records().empty(),
            "clearing the M condition must remove the alarm immediately");
    require(!alarm_item->isVisible(),
            "AlarmList must hide after the final alarm recovers");

    view.setRuntimeActive(false);
    view.setEditingEnabled(true);
    require(alarm_item->isVisible(),
            "AlarmList must become visible again after returning to editing");
}

void testLogicEmptyGridSlotInsertion()
{
    TestProjectStorage storage;
    ProjectService project_service(storage);
    LogicEditorService service(project_service);
    const std::string logic_id = service.ensureDefaultLogic().id;
    const std::string rung_id = makeEmptyRung(service, logic_id);
    LogicEditorWidget editor(service);
    editor.setLogicId(logic_id);
    editor.resize(1400, 360);
    editor.show();
    QApplication::processEvents();

    auto insertionGridItems = [&editor]
    {
        QList<QGraphicsItem *> items;
        for (QGraphicsItem *item : editor.scene()->items())
        {
            if (item->toolTip().startsWith(QStringLiteral("空条件网格"))
                || item->toolTip().startsWith(QStringLiteral("横线网格")))
            {
                items.push_back(item);
            }
        }
        std::sort(
            items.begin(), items.end(),
            [](const QGraphicsItem *left, const QGraphicsItem *right)
            {
                return left->scenePos().x() < right->scenePos().x();
            });
        return items;
    };

    QList<QGraphicsItem *> empty_items = insertionGridItems();
    require(empty_items.size() == ProjectLimits::kMaximumConditionColumns
                && !service.findRung(logic_id, rung_id)->condition.has_value(),
            "a new network must expose ten selectable grid slots without persisting placeholders");

    const QPoint fifth_slot = editor.mapFromScene(empty_items.at(4)->scenePos());
    QTest::mouseClick(
        editor.viewport(), Qt::LeftButton, Qt::NoModifier, fifth_slot);
    require(editor.scene()->selectedItems().size() == 1,
            "clicking an empty grid cell must select one insertion position");
    require(editor.addCondition(ContactNodeConfig{
                RegisterAddress{RegisterArea::M, 4},
                ContactMode::NormallyOpen})
                .succeeded,
            "the toolbar condition path must insert at the selected fifth column");

    const LadderRung *rung = service.findRung(logic_id, rung_id);
    require(rung != nullptr && rung->condition.has_value()
                && rung->condition->kind == ConditionExpressionKind::Series
                && rung->condition->children.front().kind
                    == ConditionExpressionKind::Wire
                && rung->condition->children.front().wire->columnSpan == 4,
            "a fifth-column click must become four wire columns followed by the contact");

    empty_items = insertionGridItems();
    require(empty_items.size() == 9,
            "every unoccupied column must stay clickable after the first insertion");
    const QPoint second_slot = editor.mapFromScene(empty_items.at(1)->scenePos());
    QTest::mouseClick(
        editor.viewport(), Qt::LeftButton, Qt::NoModifier, second_slot);
    require(editor.addCondition(ContactNodeConfig{
                RegisterAddress{RegisterArea::M, 1},
                ContactMode::NormallyClosed})
                .succeeded,
            "a grid cell inside a multi-column wire must accept a contact");
    rung = service.findRung(logic_id, rung_id);
    require(rung != nullptr && rung->condition.has_value()
                && rung->condition->kind == ConditionExpressionKind::Series
                && rung->condition->children.size() == 4U
                && rung->condition->children.front().kind
                    == ConditionExpressionKind::Wire
                && rung->condition->children.front().wire->columnSpan == 1
                && rung->condition->children.at(2).kind
                    == ConditionExpressionKind::Wire
                && rung->condition->children.at(2).wire->columnSpan == 2
                && std::get<ContactNodeConfig>(
                    rung->condition->children.at(1).node->config).mode
                    == ContactMode::NormallyClosed,
            "wire splitting must preserve both surrounding gaps and contact order");

    empty_items = insertionGridItems();
    require(empty_items.size() == 8,
            "two occupied columns must leave eight selectable grid positions");
    const QPoint eighth_slot = editor.mapFromScene(empty_items.at(5)->scenePos());
    QTest::mouseClick(
        editor.viewport(), Qt::LeftButton, Qt::NoModifier, eighth_slot);
    require(editor.addCondition(ContactNodeConfig{
                RegisterAddress{RegisterArea::M, 7},
                ContactMode::NormallyOpen})
                .succeeded,
            "a trailing empty grid cell must remain a valid insertion target");

    require(service.undo().succeeded,
            "a grid-targeted insertion must remain one undoable edit");
    editor.reloadLogic();
    require(insertionGridItems().size() == 8,
            "undo must restore the prior condition layout and empty grid slots");

    const LogicEditorResult added_rung = service.addRung(logic_id);
    require(added_rung.succeeded,
            "the grid-slot UI test must create another network");
    editor.reloadLogic();
    require(insertionGridItems().size() == 18
                && !service.findRung(logic_id, added_rung.id)->condition.has_value(),
            "every newly added network must expose its own ten empty insertion slots");
}

void testLogicParallelPaddingGridInsertion()
{
    TestProjectStorage storage;
    ProjectService project_service(storage);
    LogicEditorService service(project_service);
    const std::string logic_id = service.ensureDefaultLogic().id;
    const std::string rung_id = makeEmptyRung(service, logic_id);
    std::vector<std::string> top_ids;
    for (int address = 0; address < 3; ++address)
    {
        const LogicEditorResult result = service.appendCondition(
            logic_id, rung_id, logicContact(address));
        require(result.succeeded,
                "parallel grid UI setup must create the upper branch");
        top_ids.push_back(result.id);
    }
    const LogicEditorResult lower = service.addParallelBranch(
        logic_id, rung_id, top_ids, logicContact(10));
    require(lower.succeeded,
            "parallel grid UI setup must create a short lower branch");

    LogicEditorWidget editor(service);
    editor.setLogicId(logic_id);
    editor.resize(1700, 480);
    editor.show();
    QApplication::processEvents();

    QList<QGraphicsItem *> branch_slots;
    for (QGraphicsItem *item : editor.scene()->items())
    {
        if (item->toolTip().startsWith(QStringLiteral("并联空网格")))
        {
            branch_slots.push_back(item);
        }
    }
    std::sort(
        branch_slots.begin(), branch_slots.end(),
        [](const QGraphicsItem *left, const QGraphicsItem *right)
        {
            return left->scenePos().x() < right->scenePos().x();
        });
    require(branch_slots.size() == 2,
            "every visible padding cell in a short parallel branch must be selectable");

    QTest::mouseClick(
        editor.viewport(),
        Qt::LeftButton,
        Qt::NoModifier,
        editor.mapFromScene(branch_slots.back()->scenePos()));
    require(editor.scene()->selectedItems().size() == 1
                && editor.scene()->selectedItems().front()->toolTip().startsWith(
                    QStringLiteral("并联空网格")),
            "clicking a parallel padding line must select its grid cell, not the rung");
    QImage selected_branch_cell(128, 120, QImage::Format_ARGB32_Premultiplied);
    selected_branch_cell.fill(Qt::white);
    {
        QPainter painter(&selected_branch_cell);
        const QPointF center = branch_slots.back()->scenePos();
        editor.scene()->render(
            &painter,
            QRectF(0, 0, 128, 120),
            QRectF(center.x() - 64, center.y() - 60, 128, 120));
    }
    bool selected_line_visible = false;
    for (int x = 12; x < selected_branch_cell.width() - 12 && !selected_line_visible;
         ++x)
    {
        for (int y = 58; y <= 62; ++y)
        {
            const QColor pixel = selected_branch_cell.pixelColor(x, y);
            if (pixel.red() < 100 && pixel.green() < 120 && pixel.blue() < 130)
            {
                selected_line_visible = true;
                break;
            }
        }
    }
    require(selected_line_visible,
            "selecting a parallel padding cell must keep its horizontal wire visible");
    const LogicEditorResult inserted = editor.addCondition(logicContact(12));
    require(inserted.succeeded,
            "the normal condition action must insert into a selected parallel grid cell");

    const LadderRung *rung = service.findRung(logic_id, rung_id);
    require(rung != nullptr && rung->condition.has_value()
                && rung->condition->kind == ConditionExpressionKind::Parallel
                && rung->condition->children.at(1).kind
                    == ConditionExpressionKind::Series
                && rung->condition->children.at(1).children.size() == 3U,
            "parallel grid insertion must update only the selected branch");
    int remaining_branch_slots = 0;
    int persisted_wire_cells = 0;
    for (QGraphicsItem *item : editor.scene()->items())
    {
        remaining_branch_slots += item->toolTip().startsWith(
            QStringLiteral("并联空网格")) ? 1 : 0;
        persisted_wire_cells += item->toolTip().startsWith(
            QStringLiteral("横线网格")) ? 1 : 0;
    }
    require(remaining_branch_slots == 0 && persisted_wire_cells == 1,
            "using a distant branch cell must retain the skipped cell as a replaceable wire");
}

void testLogicParallelActionsRespectGridSelectionType()
{
    TestProjectStorage storage;
    ProjectService project_service(storage);
    LogicEditorService service(project_service);
    const std::string logic_id = service.ensureDefaultLogic().id;
    const std::string rung_id = makeEmptyRung(service, logic_id);

    std::vector<std::string> top_ids;
    for (int address = 0; address < 3; ++address)
    {
        const LogicEditorResult result = service.appendCondition(
            logic_id, rung_id, logicContact(address));
        require(result.succeeded,
                "grid selection type setup must create the upper branch");
        top_ids.push_back(result.id);
    }
    require(service.addParallelBranch(
                logic_id, rung_id, top_ids, logicContact(10))
                .succeeded,
            "grid selection type setup must create a short parallel branch");

    LogicEditorWidget editor(service);
    editor.setLogicId(logic_id);
    editor.resize(1400, 480);
    editor.show();
    QApplication::processEvents();

    QList<QGraphicsItem *> branch_slots;
    for (QGraphicsItem *item : editor.scene()->items())
    {
        if (item->toolTip().startsWith(QStringLiteral("并联空网格")))
        {
            branch_slots.push_back(item);
        }
    }
    std::sort(
        branch_slots.begin(), branch_slots.end(),
        [](const QGraphicsItem *left, const QGraphicsItem *right)
        {
            return left->scenePos().x() < right->scenePos().x();
        });
    require(branch_slots.size() == 2,
            "empty parallel branch must expose its two grid cells");
    branch_slots.at(0)->setSelected(true);
    branch_slots.at(1)->setSelected(true);
    service.clearHistory();

    const LogicEditorResult parallel = editor.addParallelBranch(logicContact(20));
    require(!parallel.succeeded
                && parallel.message.find("空白网格没有可并联的逻辑")
                    != std::string::npos
                && !service.canUndo(),
            "parallel insertion must reject a selection made only of empty branch cells");
    const LogicEditorResult vertical = editor.addVerticalWire();
    require(!vertical.succeeded
                && vertical.message.find("空白网格没有可连接的逻辑")
                    != std::string::npos
                && !service.canUndo(),
            "vertical insertion must reject a selection made only of empty branch cells");
}

void testLogicVerticalWireUsesSelectedWireCells()
{
    TestProjectStorage storage;
    ProjectService project_service(storage);
    LogicEditorService service(project_service);
    const std::string logic_id = service.ensureDefaultLogic().id;
    const std::string rung_id = makeEmptyRung(service, logic_id);
    const LogicEditorResult source = service.appendWire(
        logic_id, rung_id, 3);
    require(source.succeeded,
            "wire-cell UI setup must create a three-column wire");

    LogicEditorWidget editor(service);
    editor.setLogicId(logic_id);
    editor.resize(1400, 360);
    editor.show();
    QApplication::processEvents();

    QList<QGraphicsItem *> wire_cells;
    for (QGraphicsItem *item : editor.scene()->items())
    {
        if (item->toolTip().startsWith(QStringLiteral("横线网格")))
        {
            wire_cells.push_back(item);
        }
    }
    std::sort(
        wire_cells.begin(), wire_cells.end(),
        [](const QGraphicsItem *left, const QGraphicsItem *right)
        {
            return left->scenePos().x() < right->scenePos().x();
        });
    require(wire_cells.size() == 3,
            "a three-column wire must expose three selectable cells");
    wire_cells.at(0)->setSelected(true);
    wire_cells.at(1)->setSelected(true);

    const LogicEditorResult branch = editor.addVerticalWire();
    require(branch.succeeded,
            "vertical insertion must accept two selected wire cells");
    const LadderRung *rung = service.findRung(logic_id, rung_id);
    require(rung != nullptr && rung->condition.has_value()
                && rung->condition->kind == ConditionExpressionKind::Series
                && rung->condition->children.front().kind
                    == ConditionExpressionKind::Parallel
                && rung->condition->children.front().children.back().kind
                    == ConditionExpressionKind::Wire
                && rung->condition->children.front().children.back()
                        .wire->columnSpan == 2
                && rung->condition->children.back().kind
                    == ConditionExpressionKind::Wire
                && rung->condition->children.back().wire->columnSpan == 1,
            "vertical insertion must persist exactly the selected two wire columns");
}

void testLogicVerticalWireUsesAdjacentWireCells()
{
    TestProjectStorage storage;
    ProjectService project_service(storage);
    LogicEditorService service(project_service);
    const std::string logic_id = service.ensureDefaultLogic().id;
    const std::string rung_id = makeEmptyRung(service, logic_id);
    for (int index = 0; index < 3; ++index)
    {
        require(service.appendWire(logic_id, rung_id).succeeded,
                "adjacent wire UI setup must create one-column segments");
    }

    LogicEditorWidget editor(service);
    editor.setLogicId(logic_id);
    editor.resize(1400, 360);
    editor.show();
    QApplication::processEvents();

    QList<QGraphicsItem *> wire_cells;
    for (QGraphicsItem *item : editor.scene()->items())
    {
        if (item->toolTip().startsWith(QStringLiteral("横线网格")))
        {
            wire_cells.push_back(item);
        }
    }
    std::sort(
        wire_cells.begin(), wire_cells.end(),
        [](const QGraphicsItem *left, const QGraphicsItem *right)
        {
            return left->scenePos().x() < right->scenePos().x();
        });
    require(wire_cells.size() == 3,
            "adjacent one-column wires must expose three selectable cells");
    for (QGraphicsItem *cell : wire_cells)
    {
        cell->setSelected(true);
    }

    const LogicEditorResult branch = editor.addVerticalWire();
    require(branch.succeeded,
            "vertical insertion must accept adjacent cells from separate wire expressions");
    const LadderRung *rung = service.findRung(logic_id, rung_id);
    require(rung != nullptr && rung->condition.has_value()
                && rung->condition->kind == ConditionExpressionKind::Parallel
                && rung->condition->children.size() == 2U
                && rung->condition->children.front().wire->columnSpan == 3
                && rung->condition->children.back().wire->columnSpan == 3,
            "adjacent wire cells must persist a three-column bypass in the UI path");
}

void testLogicParallelBranchConnectsShortBranchToRightJoin()
{
    TestProjectStorage storage;
    ProjectService project_service(storage);
    LogicEditorService service(project_service);
    const std::string logic_id = service.ensureDefaultLogic().id;
    const std::string rung_id = makeEmptyRung(service, logic_id);
    std::vector<std::string> selected_ids;
    for (int address = 0; address < 5; ++address)
    {
        const LogicEditorResult result = service.appendCondition(
            logic_id, rung_id, logicContact(address));
        require(result.succeeded,
                "short parallel branch rendering setup must create the upper series");
        selected_ids.push_back(result.id);
    }
    const LogicEditorResult branch = service.addParallelBranch(
        logic_id, rung_id, selected_ids, logicContact(10));
    require(branch.succeeded,
            "parallel branch rendering setup must create a one-column lower branch");

    LogicEditorWidget editor(service);
    editor.setLogicId(logic_id);
    editor.resize(1700, 480);
    editor.show();
    QApplication::processEvents();

    // The lower one-column node must be visibly wired to the parallel right join
    const qreal expected_lower_y = 28.0 + 52.0 + 1.5 * 120.0;
    const qreal expected_branch_output_x = 68.0 + 128.0;
    const qreal expected_right_join_x = 68.0 + 5.0 * 128.0;
    bool has_right_join_wire = false;
    for (QGraphicsItem *item : editor.scene()->items())
    {
        const QGraphicsLineItem *line = dynamic_cast<const QGraphicsLineItem *>(item);
        if (line == nullptr || line->zValue() <= -1.0)
        {
            continue;
        }
        const QLineF segment = line->line();
        if (qAbs(segment.y1() - expected_lower_y) < 0.1
            && qAbs(segment.y2() - expected_lower_y) < 0.1
            && qAbs(segment.x1() - expected_branch_output_x) < 0.1
            && qAbs(segment.x2() - expected_right_join_x) < 0.1)
        {
            has_right_join_wire = true;
            break;
        }
    }
    require(has_right_join_wire,
            "a short parallel branch must connect its output to the right join");
}

void testLogicContinuousInsertionConsumesFullWire()
{
    TestProjectStorage storage;
    ProjectService project_service(storage);
    LogicEditorService service(project_service);
    const std::string logic_id = service.ensureDefaultLogic().id;
    const std::string rung_id = makeEmptyRung(service, logic_id);
    LogicEditorWidget editor(service);
    editor.setLogicId(logic_id);
    editor.resize(1400, 360);
    editor.show();
    QApplication::processEvents();

    for (int column = 0; column < ProjectLimits::kMaximumConditionColumns; ++column)
    {
        require(editor.addHorizontalWire().succeeded,
                "the UI fixture must fill all ten condition columns with wires");
    }

    QList<QGraphicsItem *> wire_cells;
    for (QGraphicsItem *item : editor.scene()->items())
    {
        if (item->toolTip().startsWith(QStringLiteral("横线网格")))
        {
            wire_cells.push_back(item);
        }
    }
    std::sort(
        wire_cells.begin(), wire_cells.end(),
        [](const QGraphicsItem *left, const QGraphicsItem *right)
        {
            return left->scenePos().x() < right->scenePos().x();
        });
    require(wire_cells.size() == ProjectLimits::kMaximumConditionColumns,
            "a full wire network must expose ten replaceable wire cells");
    QTest::mouseClick(
        editor.viewport(),
        Qt::LeftButton,
        Qt::NoModifier,
        editor.mapFromScene(wire_cells.front()->scenePos()));

    for (int address = 0; address < ProjectLimits::kMaximumConditionColumns; ++address)
    {
        require(editor.addCondition(logicContact(address)).succeeded,
                "repeated toolbar conditions must consume the next wire cell");
        int remaining_wire_cells = 0;
        for (QGraphicsItem *item : editor.scene()->items())
        {
            remaining_wire_cells += item->toolTip().startsWith(
                QStringLiteral("横线网格")) ? 1 : 0;
        }
        require(remaining_wire_cells
                    == ProjectLimits::kMaximumConditionColumns - address - 1,
                "each toolbar condition must consume exactly one visible wire cell");
    }

    const LadderRung *rung = service.findRung(logic_id, rung_id);
    std::vector<const LogicNode *> nodes;
    collectConditionNodes(*rung->condition, &nodes);
    require(rung != nullptr && rung->condition.has_value()
                && nodes.size() == static_cast<std::size_t>(
                    ProjectLimits::kMaximumConditionColumns),
            "ten repeated toolbar conditions must replace the full wire with ten contacts");
    require(!editor.addCondition(logicContact(10)).succeeded,
            "the toolbar must reject only the eleventh condition after all wires are consumed");
}

void testLogicHorizontalWireCanBeInsertedAgainAfterUndoingFirstAutoRung()
{
    TestProjectStorage storage;
    ProjectService project_service(storage);
    LogicEditorService service(project_service);
    const std::string logic_id = service.ensureDefaultLogic().id;
    LogicEditorWidget editor(service);
    editor.setLogicId(logic_id);
    editor.resize(1400, 360);
    editor.show();
    QApplication::processEvents();

    require(editor.addHorizontalWire().succeeded,
            "the first horizontal wire must create the initial ladder network");
    const ControlLogic *logic = service.findLogic(logic_id);
    require(logic != nullptr && logic->rungs.size() == 1U,
            "the first horizontal wire must leave one network in the model");

    require(service.undo().succeeded,
            "undo must remove the automatically created network");
    editor.reloadLogic();
    logic = service.findLogic(logic_id);
    require(logic != nullptr && logic->rungs.empty(),
            "undo must restore the initially empty ladder logic");

    require(editor.addHorizontalWire().succeeded,
            "a horizontal wire must be insertable again after undoing the first one");
    logic = service.findLogic(logic_id);
    require(logic != nullptr && logic->rungs.size() == 1U
                && logic->rungs.front().condition.has_value(),
            "reinserting the horizontal wire must create a fresh network");
}

void testWindowTitleTracksUnsavedProjectChanges()
{
    TestProjectStorage storage;
    ProjectService project_service(storage);
    HmiEditorService editor_service(project_service);
    LogicEditorService logic_editor_service(project_service);
    require(editor_service.ensureDefaultPage().succeeded,
            "window-title test must create a default HMI page");
    require(logic_editor_service.ensureDefaultLogic().succeeded,
            "window-title test must create a default control logic");
    require(project_service.saveAs("window-title-test.json").succeeded,
            "window-title fixture must start from a saved project");

    VirtualRegisterRepository repository;
    HmiRuntimeService runtime_service(repository);
    AlarmEditorService alarm_editor_service(project_service);
    AlarmService alarm_service(project_service, repository);
    RegisterCommentService register_comment_service(project_service);
    OfflineSimulationService simulation_service(repository);
    RuntimeModeService mode_service(project_service, simulation_service);
    RegisterMonitorService monitor_service(repository);
    MainWindow window(
        mode_service,
        project_service,
        editor_service,
        logic_editor_service,
        runtime_service,
        alarm_editor_service,
        alarm_service,
        register_comment_service,
        monitor_service);

    require(!window.windowTitle().endsWith(QLatin1Char('*')),
            "a saved project title must not show an unsaved marker");
    requiredChild<QAction>(window, "addLabelAction")->trigger();
    require(project_service.isModified()
                && window.windowTitle().endsWith(QLatin1Char('*')),
            "editing the project must immediately add an unsaved marker");

    requiredChild<QAction>(window, "saveProjectAction")->trigger();
    require(!project_service.isModified()
                && !window.windowTitle().endsWith(QLatin1Char('*')),
            "saving the project must immediately remove the unsaved marker");
}

void testModeActionsControlEditingAvailability()
{
    // 验证模式动作会同步禁用编辑入口，并在失败时恢复当前选择
    TestProjectStorage storage;
    ProjectService project_service(storage);
    HmiEditorService editor_service(project_service);
    LogicEditorService logic_editor_service(project_service);
    VirtualRegisterRepository repository;
    HmiRuntimeService runtime_service(repository);
    AlarmEditorService alarm_editor_service(project_service);
    AlarmService alarm_service(project_service, repository);
    RegisterCommentService register_comment_service(project_service);
    OfflineSimulationService simulation_service(repository);
    RuntimeModeService mode_service(project_service, simulation_service);
    RegisterMonitorService monitor_service(repository);
    MainWindow window(
        mode_service,
        project_service,
        editor_service,
        logic_editor_service,
        runtime_service,
        alarm_editor_service,
        alarm_service,
        register_comment_service,
        monitor_service);
    window.resize(1000, 640);
    window.show();
    QApplication::processEvents();

    require(window.findChild<QWidget *>(QStringLiteral("dataPointDock")) == nullptr,
            "the removed data point dock must not remain in the main window");
    require(window.findChild<QWidget *>(QStringLiteral("hmiDataPointComboBox")) == nullptr
                && window.findChild<QWidget *>(QStringLiteral("logicDataPointComboBox")) == nullptr,
            "HMI and ladder properties must use direct M/D address inputs");

    QAction *editing_action = requiredChild<QAction>(window, "editingModeAction");
    QAction *offline_action = requiredChild<QAction>(window, "offlineModeAction");
    QAction *online_action = requiredChild<QAction>(window, "onlineModeAction");
    QAction *add_button_action = requiredChild<QAction>(window, "addButtonAction");
    QAction *add_indicator_action = requiredChild<QAction>(window, "addIndicatorAction");
    QAction *add_progress_bar_action = requiredChild<QAction>(
        window, "addProgressBarAction");
    QAction *delete_control_action = requiredChild<QAction>(window, "deleteControlAction");
    QAction *undo_action = requiredChild<QAction>(window, "undoAction");
    QAction *redo_action = requiredChild<QAction>(window, "redoAction");
    QAction *delete_selection_action = requiredChild<QAction>(
        window, "deleteSelectionAction");
    QAction *toggle_logic_enabled_action = requiredChild<QAction>(
        window, "toggleLogicEnabledAction");
    QToolButton *hmi_more_controls = requiredChild<QToolButton>(
        window, "hmiMoreControlsButton");
    QToolButton *logic_contact_menu = requiredChild<QToolButton>(
        window, "logicContactMenuButton");
    QToolButton *logic_output_menu = requiredChild<QToolButton>(
        window, "logicOutputMenuButton");
    QToolButton *logic_timer_counter_menu = requiredChild<QToolButton>(
        window, "logicTimerCounterMenuButton");
    QToolButton *logic_data_menu = requiredChild<QToolButton>(
        window, "logicDataMenuButton");
    QAction *add_normally_open_action = requiredChild<QAction>(
        window, "addNormallyOpenAction");
    QAction *add_normal_coil_action = requiredChild<QAction>(
        window, "addNormalCoilAction");
    QAction *add_set_coil_action = requiredChild<QAction>(
        window, "addSetCoilAction");
    QAction *add_reset_coil_action = requiredChild<QAction>(
        window, "addResetCoilAction");
    QAction *parallel_insert_action = requiredChild<QAction>(
        window, "parallelInsertAction");
    QAction *insert_horizontal_wire_action = requiredChild<QAction>(
        window, "insertHorizontalWireAction");
    QAction *insert_vertical_wire_action = requiredChild<QAction>(
        window, "insertVerticalWireAction");
    QAction *delete_horizontal_wire_action = requiredChild<QAction>(
        window, "deleteHorizontalWireAction");
    QAction *delete_vertical_wire_action = requiredChild<QAction>(
        window, "deleteVerticalWireAction");
    QDockWidget *project_dock = requiredChild<QDockWidget>(window, "projectDock");
    QDockWidget *properties_dock = requiredChild<QDockWidget>(window, "propertiesDock");
    QDockWidget *output_dock = requiredChild<QDockWidget>(window, "outputDock");
    QLabel *selection = requiredChild<QLabel>(window, "selectionValueLabel");
    QLineEdit *text_edit = requiredChild<QLineEdit>(window, "controlTextEdit");
    QLineEdit *text_color_edit = requiredChild<QLineEdit>(window, "textColorEdit");
    QComboBox *button_operation = requiredChild<QComboBox>(
        window, "buttonOperationComboBox");
    QComboBox *binding_area = requiredChild<QComboBox>(
        window, "bindingAreaComboBox");
    QSpinBox *binding_index = requiredChild<QSpinBox>(
        window, "bindingIndexSpinBox");
    QSpinBox *progress_minimum = requiredChild<QSpinBox>(
        window, "progressMinimumSpinBox");
    QSpinBox *progress_maximum = requiredChild<QSpinBox>(
        window, "progressMaximumSpinBox");
    QSpinBox *font_size = requiredChild<QSpinBox>(window, "fontSizeSpinBox");
    QCheckBox *font_bold = requiredChild<QCheckBox>(window, "fontBoldCheckBox");
    QCheckBox *font_italic = requiredChild<QCheckBox>(window, "fontItalicCheckBox");
    QCheckBox *progress_show_value = requiredChild<QCheckBox>(
        window, "progressShowValueCheckBox");
    QPushButton *apply_properties = requiredChild<QPushButton>(
        window, "applyPropertiesButton");
    HmiEditorWidget *hmi_editor = requiredChild<HmiEditorWidget>(
        window, "hmiEditorWidget");
    LogicEditorWidget *logic_editor = requiredChild<LogicEditorWidget>(
        window, "logicEditorWidget");
    QLabel *executor_status = requiredChild<QLabel>(window, "executorStatusLabel");
    RuntimeMonitorWindow *runtime_window = requiredChild<RuntimeMonitorWindow>(
        window, "runtimeMonitorWindow");
    QWidget *runtime_hmi = requiredChild<QWidget>(window, "runtimeHmiView");
    QWidget *runtime_logic = requiredChild<QWidget>(window, "runtimeLogicView");
    QWidget *free_monitor = requiredChild<QWidget>(window, "freeMonitorWidget");
    QTabWidget *editor_tabs = requiredChild<QTabWidget>(window, "editorTabWidget");
    QTreeWidget *project_tree = requiredChild<QTreeWidget>(window, "projectTree");
    const bool initially_maximized = window.isMaximized();
    const bool project_dock_initially_visible = project_dock->isVisible();
    const bool properties_dock_initially_visible = properties_dock->isVisible();
    const bool output_dock_initially_visible = output_dock->isVisible();
    require(!runtime_window->isVisible()
                && window.findChild<QWidget *>(QStringLiteral("runtimeMonitorTab"))
                    == nullptr,
            "runtime monitor window must be hidden while editing and absent from editor tabs");
    for (const char *action_name : {
             "exitAction",
             "newProjectAction",
             "saveProjectAction",
             "saveAsProjectAction",
             "loadProjectAction",
             "undoAction",
             "redoAction",
             "deleteSelectionAction",
             "clearSelectionAction",
             "configurePlcAction",
             "configureRegisterCommentsAction",
             "disconnectPlcAction",
             "addButtonAction",
             "addIndicatorAction",
             "addNumericDisplayAction",
             "addNumericInputAction",
             "addProgressBarAction",
             "addLabelAction",
             "addPageJumpAction",
             "addAlarmListAction",
             "configureAlarmsAction",
             "deleteControlAction",
             "addRungAction",
             "insertHorizontalWireAction",
             "insertVerticalWireAction",
             "deleteHorizontalWireAction",
             "deleteVerticalWireAction",
             "parallelInsertAction",
             "addNormallyOpenAction",
             "addNormallyClosedAction",
             "addRisingEdgeAction",
             "addFallingEdgeAction",
             "addTimerContactAction",
             "addCounterContactAction",
             "addNormalCoilAction",
             "addSetCoilAction",
             "addResetCoilAction",
             "addTonAction",
             "addCtuAction",
             "addCtdAction",
             "addMoveAction",
             "addAddAction",
             "addSubAction",
             "addCompareAction",
             "editRungCommentAction",
             "deleteLogicAction",
             "editingModeAction",
             "offlineModeAction",
             "onlineModeAction"})
    {
        require(!requiredChild<QAction>(window, action_name)->icon().isNull(),
                std::string("UI action must have a semantic icon: ") + action_name);
    }
    require(!hmi_more_controls->icon().isNull()
                && !logic_contact_menu->icon().isNull()
                && !logic_output_menu->icon().isNull()
                && !logic_timer_counter_menu->icon().isNull()
                && !logic_data_menu->icon().isNull(),
            "every grouped toolbar menu must have an icon");
    require(editor_tabs->count() == 2
                && !editor_tabs->tabIcon(0).isNull()
                && !editor_tabs->tabIcon(1).isNull(),
            "the two editor tabs must remain present and have icons");
    QToolButton *monitor_remove = free_monitor->findChild<QToolButton *>(
        QStringLiteral("removeButton"));
    QToolButton *monitor_clear = free_monitor->findChild<QToolButton *>(
        QStringLiteral("clearButton"));
    require(monitor_remove != nullptr && monitor_clear != nullptr
                && !monitor_remove->icon().isNull()
                && !monitor_clear->icon().isNull(),
            "free-monitor delete and clear commands must have icons");
    require(hmi_more_controls->menu() != nullptr
                && hmi_more_controls->menu()->actions().contains(add_progress_bar_action),
            "advanced HMI controls must remain reachable from the more-controls menu");
    require(logic_contact_menu->menu() != nullptr
                && logic_contact_menu->menu()->actions().contains(
                    requiredChild<QAction>(window, "addRisingEdgeAction")),
            "edge and resource contacts must remain reachable from the contact menu");
    require(logic_output_menu->menu() != nullptr
                && logic_output_menu->menu()->actions().contains(
                    requiredChild<QAction>(window, "addResetCoilAction")),
            "set/reset coils must remain reachable from the output menu");
    require(logic_timer_counter_menu->menu() != nullptr
                && logic_timer_counter_menu->menu()->actions().contains(
                    requiredChild<QAction>(window, "addCtdAction")),
            "timer and counter instructions must remain reachable from their menu");
    require(logic_data_menu->menu() != nullptr
                && logic_data_menu->menu()->actions().contains(
                    requiredChild<QAction>(window, "addSubAction")),
            "data instructions must remain reachable from the data menu");

    const qreal compact_scale = hmi_editor->transform().m11();
    window.resize(1600, 900);
    QApplication::processEvents();
    require(hmi_editor->transform().m11() > compact_scale,
            "HMI page must refit when the window becomes larger");

    require(editing_action->isChecked(), "editing action must be selected initially");
    require(undo_action->shortcut() == QKeySequence(Qt::CTRL | Qt::Key_Z)
                && redo_action->shortcut() == QKeySequence(Qt::CTRL | Qt::Key_Y)
                && delete_selection_action->shortcut() == QKeySequence(Qt::Key_Delete)
                && insert_horizontal_wire_action->shortcut()
                    == QKeySequence(Qt::Key_F11)
                && insert_vertical_wire_action->shortcut()
                    == QKeySequence(Qt::Key_F12)
                && delete_horizontal_wire_action->shortcut()
                    == QKeySequence(Qt::SHIFT | Qt::Key_F11)
                && delete_vertical_wire_action->shortcut()
                    == QKeySequence(Qt::SHIFT | Qt::Key_F12),
            "core editor actions must expose the agreed keyboard shortcuts");
    require(project_dock->isEnabled(), "project dock must be enabled while editing");
    require(properties_dock->isEnabled(), "properties dock must be enabled while editing");

    const std::string default_logic_id = logic_editor_service.firstLogicId();
    project_tree->setCurrentItem(project_tree->topLevelItem(1)->child(0));
    QApplication::processEvents();
    const bool default_logic_enabled =
        logic_editor_service.findLogic(default_logic_id)->enabled;
    toggle_logic_enabled_action->trigger();
    require(undo_action->isEnabled()
                && logic_editor_service.findLogic(default_logic_id)->enabled
                    != default_logic_enabled,
            "project-tree edits must immediately enable ladder undo");
    undo_action->trigger();
    require(logic_editor_service.findLogic(default_logic_id)->enabled
                == default_logic_enabled,
            "ladder undo must restore a project-tree edit");
    editor_tabs->setCurrentIndex(0);
    QApplication::processEvents();

    add_button_action->trigger();
    const std::string page_id = editor_service.firstPageId();
    require(editor_service.findPage(page_id)->controls.size() == 1,
            "adding a control must update the HMI page model");
    require(selection->text() == QStringLiteral("button-1（未绑定）"),
            "an unbound added control must be marked in the property panel");
    require(text_edit->text() == QStringLiteral("按钮"),
            "property panel must show the control text");
    require(text_edit->maxLength()
                == static_cast<int>(
                    ProjectLimits::kMaximumHmiControlTextCharacters),
            "all HMI control text inputs must be limited to twelve characters");
    require(button_operation->currentText() == QStringLiteral("瞬时 ON"),
            "new HMI buttons must default to momentary ON");

    text_edit->setFocus();
    text_edit->selectAll();
    QTest::keyClicks(text_edit, "modified");
    QTest::keyClick(text_edit, Qt::Key_Z, Qt::ControlModifier);
    require(text_edit->text() == QStringLiteral("按钮")
                && editor_service.findControl(page_id, "button-1") != nullptr,
            "Ctrl+Z in a property input must undo text without undoing the HMI model");

    const QList<QGraphicsItem *> unbound_items = hmi_editor->scene()->selectedItems();
    require(unbound_items.size() == 1 && unbound_items.front()->boundingRect().top() == 0,
            "an unbound HMI control must not reserve an address label area");
    button_operation->setCurrentIndex(
        button_operation->findData(static_cast<int>(HmiButtonOperation::Toggle)));
    text_color_edit->setText(QStringLiteral("#E53935"));
    font_size->setValue(18);
    font_bold->setChecked(true);
    font_italic->setChecked(true);
    apply_properties->click();
    const HmiControl *styled_button = editor_service.findControl(page_id, "button-1");
    require(styled_button != nullptr
                && styled_button->buttonOperation == HmiButtonOperation::Toggle
                && styled_button->properties.at(HmiAppearanceProperty::kTextColor)
                    == "#E53935"
                && styled_button->properties.at(HmiAppearanceProperty::kFontSize)
                    == "18"
                && styled_button->properties.at(HmiAppearanceProperty::kFontBold)
                    == "true"
                && styled_button->properties.at(HmiAppearanceProperty::kFontItalic)
                    == "true",
            "the property panel must update HMI appearance properties");

    HmiControl bound_button = *editor_service.findControl(page_id, "button-1");
    bound_button.binding = RegisterAddress{RegisterArea::M, 0};
    require(editor_service.updateControl(page_id, bound_button.id, bound_button).succeeded,
            "binding an HMI button to M0 must succeed");
    hmi_editor->reloadPage();
    hmi_editor->selectControl(bound_button.id);
    const QList<QGraphicsItem *> bound_items = hmi_editor->scene()->selectedItems();
    require(bound_items.size() == 1 && bound_items.front()->boundingRect().top() < 0,
            "a bound HMI control must include its address label above the control body");

    delete_control_action->trigger();
    require(editor_service.findPage(page_id)->controls.empty(),
            "deleting a selected control must update the HMI page model");

    QAction *add_label_action = requiredChild<QAction>(window, "addLabelAction");
    add_label_action->trigger();
    add_label_action->trigger();
    add_label_action->trigger();
    hmi_editor->scene()->clearSelection();
    for (QGraphicsItem *item : hmi_editor->scene()->items())
    {
        if (item->zValue() >= 0.0)
        {
            item->setSelected(true);
        }
    }
    delete_selection_action->trigger();
    require(editor_service.findPage(page_id)->controls.empty(),
            "Delete must remove every selected HMI control in one operation");
    undo_action->trigger();
    require(editor_service.findPage(page_id)->controls.size() == 3U,
            "HMI undo must restore a batch deletion");
    redo_action->trigger();
    require(editor_service.findPage(page_id)->controls.empty(),
            "HMI redo must reapply a batch deletion");

    add_progress_bar_action->trigger();
    const HmiControl *default_progress = editor_service.findControl(
        page_id, "progress-bar-1");
    require(default_progress != nullptr
                && default_progress->progressBar.has_value()
                && progress_minimum->isVisible()
                && progress_maximum->isVisible()
                && progress_show_value->isVisible()
                && progress_minimum->value() == 0
                && progress_maximum->value() == 100
                && progress_show_value->isChecked(),
            "ProgressBar properties must expose the registered defaults");
    progress_minimum->setValue(-20);
    progress_maximum->setValue(80);
    progress_show_value->setChecked(false);
    binding_area->setCurrentIndex(binding_area->findData(1));
    binding_index->setValue(4);
    apply_properties->click();
    const HmiControl *configured_progress = editor_service.findControl(
        page_id, "progress-bar-1");
    require(configured_progress != nullptr
                && configured_progress->binding
                    == RegisterAddress{RegisterArea::D, 4}
                && configured_progress->progressBar->minimumValue == -20
                && configured_progress->progressBar->maximumValue == 80
                && !configured_progress->progressBar->showValue,
            "the property panel must update ProgressBar binding and range settings");
    delete_control_action->trigger();
    require(editor_service.findPage(page_id)->controls.empty(),
            "deleting a ProgressBar must remove it from the HMI page");

    requiredChild<QAction>(window, "addAlarmListAction")->trigger();
    const HmiControl *default_alarm_list = editor_service.findControl(
        page_id, "alarm-list-1");
    const int expected_alarm_font_size = std::clamp(
        QApplication::font().pointSize()
            - ProjectLimits::kAlarmDefaultFontPointReduction,
        ProjectLimits::kMinimumHmiFontPointSize,
        ProjectLimits::kMaximumHmiFontPointSize);
    require(default_alarm_list != nullptr
                && default_alarm_list->bounds.width == 360
                && default_alarm_list->bounds.height == 136
                && text_edit->maxLength()
                    == static_cast<int>(
                        ProjectLimits::kMaximumAlarmTitleCharacters)
                && font_size->value() == expected_alarm_font_size,
            "AlarmList defaults must expose five rows and the reduced font size");
    delete_control_action->trigger();
    require(editor_service.findPage(page_id)->controls.empty(),
            "deleting an AlarmList must remove it from the HMI page");

    add_indicator_action->trigger();
    HmiControl runtime_indicator = *editor_service.findControl(page_id, "indicator-1");
    runtime_indicator.binding = RegisterAddress{RegisterArea::M, 3};
    require(editor_service.updateControl(
                page_id, runtime_indicator.id, runtime_indicator).succeeded,
            "a configured HMI control must be available for the runtime projection");
    hmi_editor->reloadPage();

    add_normally_open_action->trigger();
    editor_tabs->setCurrentIndex(1);
    QApplication::processEvents();
    undo_action->trigger();
    require(logic_editor_service.findLogic(logic_editor_service.firstLogicId())
                ->rungs.empty(),
            "logic undo must use the ladder history when the ladder tab is active");
    redo_action->trigger();
    const ControlLogic *restored_logic = logic_editor_service.findLogic(
        logic_editor_service.firstLogicId());
    require(restored_logic != nullptr && restored_logic->rungs.size() == 1U,
            "logic redo must restore the automatically created network");
    const LadderRung &restored_rung = restored_logic->rungs.front();
    require(restored_rung.condition.has_value(),
            "logic redo must restore the ladder edit");
    std::vector<const LogicNode *> restored_nodes;
    collectConditionNodes(*restored_rung.condition, &restored_nodes);
    require(restored_nodes.size() == 1U,
            "logic redo must restore the original condition node");
    const std::string restored_node_id = restored_nodes.front()->id;

    QGraphicsItem *fifth_column_slot = nullptr;
    for (QGraphicsItem *item : logic_editor->scene()->items())
    {
        if (item->toolTip().startsWith(QStringLiteral("空条件网格"))
            && item->toolTip().contains(QStringLiteral("第 5 列")))
        {
            fifth_column_slot = item;
            break;
        }
    }
    require(fifth_column_slot != nullptr,
            "the main-window ladder must expose the fifth condition-grid slot");
    QTest::mouseClick(
        logic_editor->viewport(),
        Qt::LeftButton,
        Qt::NoModifier,
        logic_editor->mapFromScene(fifth_column_slot->scenePos()));
    add_normally_open_action->trigger();
    const LadderRung &action_inserted_rung = logic_editor_service.findLogic(
        logic_editor_service.firstLogicId())->rungs.front();
    require(action_inserted_rung.condition.has_value()
                && action_inserted_rung.condition->kind
                    == ConditionExpressionKind::Series
                && action_inserted_rung.condition->children.size() == 3U
                && action_inserted_rung.condition->children.at(1).kind
                    == ConditionExpressionKind::Wire
                && action_inserted_rung.condition->children.at(1).wire->columnSpan == 3
                && action_inserted_rung.condition->children.at(2).kind
                    == ConditionExpressionKind::Node,
            "the real contact QAction must insert at the clicked fifth grid column");
    undo_action->trigger();
    require(logic_editor_service.findLogic(logic_editor_service.firstLogicId())
                ->rungs.front().condition->kind == ConditionExpressionKind::Node,
            "undo after a grid-targeted QAction must restore the prior network");
    logic_editor->selectNode(restored_node_id);

    insert_horizontal_wire_action->trigger();
    const LadderRung &wired_rung = logic_editor_service.findLogic(
        logic_editor_service.firstLogicId())->rungs.front();
    require(wired_rung.condition->kind == ConditionExpressionKind::Series
                && wired_rung.condition->children.at(1).kind
                    == ConditionExpressionKind::Wire,
            "F11 must insert a selectable horizontal wire after the current condition");
    delete_horizontal_wire_action->trigger();
    require(logic_editor_service.findLogic(logic_editor_service.firstLogicId())
                ->rungs.front().condition->kind == ConditionExpressionKind::Node,
            "Shift+F11 must delete the selected horizontal wire");
    logic_editor->selectNode(restored_node_id);
    insert_horizontal_wire_action->trigger();
    add_normally_open_action->trigger();
    const LadderRung &replaced_wire_rung = logic_editor_service.findLogic(
        logic_editor_service.firstLogicId())->rungs.front();
    require(replaced_wire_rung.condition->kind == ConditionExpressionKind::Series
                && replaced_wire_rung.condition->children.at(1).kind
                    == ConditionExpressionKind::Node,
            "adding a contact on a selected wire must replace the wire in place");
    undo_action->trigger();
    undo_action->trigger();

    logic_editor->selectNode(restored_node_id);
    insert_vertical_wire_action->trigger();
    const LadderRung &vertical_rung = logic_editor_service.findLogic(
        logic_editor_service.firstLogicId())->rungs.front();
    require(vertical_rung.condition->kind == ConditionExpressionKind::Parallel
                && vertical_rung.condition->children.at(1).kind
                    == ConditionExpressionKind::Wire,
            "F12 must create a structured wire bypass with vertical connectors");
    logic_editor->scene()->clearSelection();
    for (QGraphicsItem *item : logic_editor->scene()->items())
    {
        if (qFuzzyCompare(item->zValue(), 2.5))
        {
            item->setSelected(true);
        }
    }
    delete_vertical_wire_action->trigger();
    require(logic_editor_service.findLogic(logic_editor_service.firstLogicId())
                ->rungs.front().condition->kind == ConditionExpressionKind::Node,
            "Shift+F12 must remove the selected vertical connection branch");

    logic_editor->selectNode(restored_node_id);
    parallel_insert_action->trigger();
    add_normal_coil_action->trigger();
    const ControlLogic *logic = logic_editor_service.findLogic(
        logic_editor_service.firstLogicId());
    require(logic != nullptr && logic->rungs.size() == 1,
            "logic actions must edit the default ladder rung");
    require(logic->rungs.front().condition.has_value()
                && logic->rungs.front().condition->kind
                    == ConditionExpressionKind::Parallel
                && logic->rungs.front().condition->children.size() == 2U,
            "parallel branch action must create a parallel expression");
    require(logic->rungs.front().output.has_value(),
            "coil action must set the fixed ladder output");
    const std::string output_node_id = logic->rungs.front().output->id;
    add_set_coil_action->trigger();
    logic = logic_editor_service.findLogic(logic_editor_service.firstLogicId());
    require(logic->rungs.front().output.has_value()
                && logic->rungs.front().output->id == output_node_id
                && std::get<CoilNodeConfig>(
                    logic->rungs.front().output->config).mode == CoilMode::Set,
            "the set-coil action must switch the existing fixed output in place");
    add_reset_coil_action->trigger();
    logic = logic_editor_service.findLogic(logic_editor_service.firstLogicId());
    require(logic->rungs.front().output.has_value()
                && logic->rungs.front().output->id == output_node_id
                && std::get<CoilNodeConfig>(
                    logic->rungs.front().output->config).mode == CoilMode::Reset,
            "the reset-coil action must reuse the same fixed output slot");
    add_normal_coil_action->trigger();
    logic = logic_editor_service.findLogic(logic_editor_service.firstLogicId());
    require(logic->rungs.front().output.has_value()
                && logic->rungs.front().output->id == output_node_id
                && std::get<CoilNodeConfig>(
                    logic->rungs.front().output->config).mode == CoilMode::Normal,
            "switching back to a normal coil must preserve the output node identity");
    offline_action->trigger();
    require(mode_service.mode() == ApplicationMode::Editing,
            "unconfigured ladder nodes must block offline running");
    const LadderRung &rung = logic->rungs.front();
    std::vector<const LogicNode *> condition_nodes;
    collectConditionNodes(*rung.condition, &condition_nodes);
    for (const LogicNode *node : condition_nodes)
    {
        require(logic_editor_service.updateNodeConfig(
                    logic_editor_service.firstLogicId(),
                    node->id,
                    ContactNodeConfig{
                        RegisterAddress{RegisterArea::M, 0},
                        ContactMode::NormallyOpen})
                    .succeeded,
                "applying a contact configuration must complete the ladder node");
    }
    require(logic_editor_service.updateNodeConfig(
                logic_editor_service.firstLogicId(),
                rung.output->id,
                CoilNodeConfig{
                    RegisterAddress{RegisterArea::M, 1},
                    CoilMode::Normal})
                .succeeded,
            "applying a coil configuration must complete the ladder node");
    offline_action->trigger();
    require(mode_service.mode() == ApplicationMode::OfflineRunning,
            "offline action must enter offline running");
    require(simulation_service.state() == SimulationState::Running,
            "offline action must start the actual simulation service");
    require(executor_status->text().contains(QStringLiteral("运行")),
            "executor status label must report the actual running state");
    require(!project_dock->isEnabled(),
            "project dock must be disabled while running");
    require(!properties_dock->isEnabled(),
            "properties dock must be disabled while running");
    require(runtime_window->isVisible() && runtime_window->isMaximized()
                && project_dock->isVisible() == project_dock_initially_visible
                && properties_dock->isVisible()
                    == properties_dock_initially_visible
                && output_dock->isVisible() == output_dock_initially_visible
                && editor_tabs->tabBar()->isVisible()
                && window.isMaximized() == initially_maximized,
            "runtime monitoring must open maximized without changing the editor layout");
    require(!add_button_action->isEnabled(),
            "HMI add controls must be disabled while running");
    require(!add_progress_bar_action->isEnabled(),
            "ProgressBar creation must be disabled while running");
    require(!add_normally_open_action->isEnabled(),
            "logic add nodes must be disabled while running");
    require(!undo_action->isEnabled() && !redo_action->isEnabled()
                && !delete_selection_action->isEnabled(),
            "undo, redo and delete must be disabled while running");
    require(runtime_window->isVisible() && runtime_hmi->isVisible()
                && runtime_logic->isVisible() && free_monitor->isVisible(),
            "offline running must show HMI, ladder trace and free monitor together");
    auto *runtime_hmi_view = qobject_cast<HmiEditorWidget *>(runtime_hmi);
    require(runtime_hmi_view != nullptr
                && runtime_hmi_view->scene()->items().size() == 2,
            "offline runtime HMI must project the configured page control");
    QLineEdit *monitor_address = requiredChild<QLineEdit>(window, "addressEdit");
    QPushButton *monitor_add = requiredChild<QPushButton>(window, "addButton");
    QTableWidget *monitor_table = requiredChild<QTableWidget>(window, "monitorTable");
    monitor_address->setText(QStringLiteral("M0"));
    monitor_add->click();
    repository.writeBit({RegisterArea::M, 0}, true);
    auto *monitor_widget = requiredChild<FreeMonitorWidget>(window, "freeMonitorWidget");
    monitor_widget->refreshValues(
        ApplicationMode::OfflineRunning, PlcConnectionState::Disconnected);
    require(monitor_table->rowCount() == 1
                && monitor_table->item(0, 2)->text() == QStringLiteral("ON"),
            "offline free monitor must read the same virtual M/D repository as HMI");

    online_action->trigger();
    require(mode_service.mode() == ApplicationMode::OfflineRunning,
            "running modes must not switch directly through the UI");
    require(offline_action->isChecked(),
            "failed mode changes must restore the active action");

    editing_action->trigger();
    require(mode_service.mode() == ApplicationMode::Editing,
            "editing action must return to editing");
    require(simulation_service.state() == SimulationState::Stopped,
            "editing action must stop the simulation service");
    require(executor_status->text() == QStringLiteral("逻辑执行器：停止"),
            "executor status label must report the actual stopped state");
    require(project_dock->isEnabled(),
            "project dock must be restored after returning to editing");
    require(properties_dock->isEnabled(),
            "properties dock must be restored after returning to editing");
    require(project_dock->isVisible() == project_dock_initially_visible
                && properties_dock->isVisible()
                    == properties_dock_initially_visible
                && output_dock->isVisible() == output_dock_initially_visible
                && editor_tabs->tabBar()->isVisible()
                && window.isMaximized() == initially_maximized,
            "returning to editing must restore the previous workspace layout");
    require(add_button_action->isEnabled(),
            "HMI add controls must be restored after returning to editing");
    require(add_progress_bar_action->isEnabled(),
            "ProgressBar creation must be restored after returning to editing");
    require(add_normally_open_action->isEnabled(),
            "logic add nodes must be restored after returning to editing");
    require(!runtime_window->isVisible(),
            "returning to editing must hide the runtime monitor window");

    online_action->trigger();
    require(mode_service.mode() == ApplicationMode::Editing,
            "online action must require an initial PLC read");
    require(editing_action->isChecked(),
            "rejected online running must restore the editing action");
}

void testRuntimeMonitorWindowLifecycle()
{
    TestProjectStorage storage;
    ProjectService project_service(storage);
    HmiEditorService editor_service(project_service);
    LogicEditorService logic_editor_service(project_service);
    const std::string main_page_id = editor_service.ensureDefaultPage().id;
    const std::string settings_page_id = editor_service.addPage("Settings").id;
    const HmiEditorResult jump_result = editor_service.addControl(
        main_page_id, HmiControlType::PageJump);
    HmiControl jump = *editor_service.findControl(main_page_id, jump_result.id);
    jump.pageJump = HmiPageJumpConfig{settings_page_id};
    require(editor_service.updateControl(
                main_page_id, jump_result.id, jump).succeeded,
            "runtime-workspace fixture must configure a PageJump target");
    const HmiEditorResult button_result = editor_service.addControl(
        main_page_id, HmiControlType::Button);
    HmiControl button = *editor_service.findControl(
        main_page_id, button_result.id);
    button.binding = RegisterAddress{RegisterArea::M, 0};
    button.buttonOperation = HmiButtonOperation::Toggle;
    button.bounds = HmiRect{200, 20, 120, 40};
    require(editor_service.updateControl(
                main_page_id, button_result.id, button).succeeded,
            "runtime-workspace fixture must configure an interactive HMI button");
    const HmiEditorResult return_jump_result = editor_service.addControl(
        settings_page_id, HmiControlType::PageJump);
    HmiControl return_jump = *editor_service.findControl(
        settings_page_id, return_jump_result.id);
    return_jump.pageJump = HmiPageJumpConfig{main_page_id};
    require(editor_service.updateControl(
                settings_page_id, return_jump_result.id, return_jump).succeeded,
            "runtime-workspace fixture must configure a PageJump back to the initial page");
    VirtualRegisterRepository repository;
    HmiRuntimeService runtime_service(repository);
    AlarmEditorService alarm_editor_service(project_service);
    AlarmService alarm_service(project_service, repository);
    RegisterCommentService register_comment_service(project_service);
    OfflineSimulationService simulation_service(repository);
    RuntimeModeService mode_service(project_service, simulation_service);
    RegisterMonitorService monitor_service(repository);
    HmiNavigationService navigation_service(project_service);
    MainWindow window(
        mode_service,
        project_service,
        editor_service,
        logic_editor_service,
        runtime_service,
        alarm_editor_service,
        alarm_service,
        navigation_service,
        register_comment_service,
        monitor_service);
    window.show();
    QApplication::processEvents();

    requiredChild<QAction>(window, "offlineModeAction")->trigger();
    QApplication::processEvents();
    require(mode_service.mode() == ApplicationMode::OfflineRunning,
            "offline mode must remain the authoritative runtime state");
    RuntimeMonitorWindow *runtime_window = requiredChild<RuntimeMonitorWindow>(
        window, "runtimeMonitorWindow");
    HmiEditorWidget *runtime_hmi = requiredChild<HmiEditorWidget>(
        window, "runtimeHmiView");
    require(runtime_window->isWindow() && runtime_window->isVisible()
                && runtime_window->isMaximized(),
            "offline running must show a maximized runtime monitor window");
    require(window.findChildren<RuntimeMonitorWidget *>().size() == 1,
            "the application must keep exactly one runtime monitor projection");
    require(window.findChild<QWidget *>(QStringLiteral("runtimeMonitorTab")) == nullptr,
            "the editor must not retain an embedded runtime monitor tab");

    QTest::mouseClick(
        runtime_hmi->viewport(), Qt::LeftButton, Qt::NoModifier,
        runtime_hmi->mapFromScene(QPointF(
            button.bounds.x + button.bounds.width / 2.0,
            button.bounds.y + button.bounds.height / 2.0)));
    QApplication::processEvents();
    require(repository.readBit({RegisterArea::M, 0}).succeeded
                && repository.readBit({RegisterArea::M, 0}).value,
            "the unified runtime HMI must write to the active virtual repository");

    QTest::mouseClick(runtime_hmi->viewport(), Qt::LeftButton, Qt::NoModifier,
                      runtime_hmi->mapFromScene(QPointF(
                          jump.bounds.x + jump.bounds.width / 2.0,
                          jump.bounds.y + jump.bounds.height / 2.0)));
    QApplication::processEvents();
    require(navigation_service.currentPageId() == settings_page_id,
            "PageJump in the unified runtime HMI must update the navigation session");
    require(requiredChild<QLabel>(window, "runtimePageLabel")->text()
                == QStringLiteral("Settings"),
            "the runtime workspace header must follow the navigated HMI page");
    QTest::mouseClick(runtime_hmi->viewport(), Qt::LeftButton, Qt::NoModifier,
                      runtime_hmi->mapFromScene(QPointF(
                          return_jump.bounds.x + return_jump.bounds.width / 2.0,
                          return_jump.bounds.y + return_jump.bounds.height / 2.0)));
    QApplication::processEvents();
    require(navigation_service.currentPageId() == main_page_id,
            "the unified runtime HMI must return to the initial page before editing");

    requiredChild<QToolButton>(window, "exitRuntimeButton")->click();
    QApplication::processEvents();
    require(mode_service.mode() == ApplicationMode::Editing,
            "the runtime monitor exit button must return to editing");
    require(!runtime_window->isVisible(),
            "returning to editing must hide the runtime monitor window");

    requiredChild<QAction>(window, "addLabelAction")->trigger();
    QApplication::processEvents();
    require(editor_service.findPage(main_page_id)->controls.size() == 3U,
            "editing after a runtime session must add the new control to the page");

    requiredChild<QAction>(window, "offlineModeAction")->trigger();
    QApplication::processEvents();
    runtime_hmi = requiredChild<HmiEditorWidget>(window, "runtimeHmiView");
    require(runtime_window->isVisible() && runtime_window->isMaximized()
                && runtime_hmi->scene()->items().size() == 4,
            "a later runtime session must reopen and refresh the monitor window");
    runtime_window->close();
    QApplication::processEvents();
    require(mode_service.mode() == ApplicationMode::Editing,
            "closing the runtime monitor window must request editing mode");
    require(!runtime_window->isVisible(),
            "closing the runtime monitor window must leave no visible runtime surface");
}

void testApplicationExitClosesRuntimeMonitorWindow()
{
    TestProjectStorage storage;
    ProjectService project_service(storage);
    HmiEditorService editor_service(project_service);
    LogicEditorService logic_editor_service(project_service);
    VirtualRegisterRepository repository;
    HmiRuntimeService runtime_service(repository);
    AlarmEditorService alarm_editor_service(project_service);
    AlarmService alarm_service(project_service, repository);
    RegisterCommentService register_comment_service(project_service);
    OfflineSimulationService simulation_service(repository);
    RuntimeModeService mode_service(project_service, simulation_service);
    RegisterMonitorService monitor_service(repository);
    MainWindow window(
        mode_service,
        project_service,
        editor_service,
        logic_editor_service,
        runtime_service,
        alarm_editor_service,
        alarm_service,
        register_comment_service,
        monitor_service);
    window.show();
    QApplication::processEvents();
    require(project_service.saveAs("runtime-window-exit-test.json").succeeded,
            "application-exit fixture must clear the unsaved-project prompt");

    requiredChild<QAction>(window, "offlineModeAction")->trigger();
    QApplication::processEvents();
    RuntimeMonitorWindow *runtime_window = requiredChild<RuntimeMonitorWindow>(
        window, "runtimeMonitorWindow");
    require(runtime_window->isVisible(),
            "application-exit fixture must start with a visible runtime window");

    requiredChild<QAction>(window, "exitAction")->trigger();
    QApplication::processEvents();
    require(!window.isVisible() && !runtime_window->isVisible(),
            "application exit must close both programmer and runtime windows");
}

void testEdgeTimerPropertyEditingAndParallelMenu()
{
    TestProjectStorage storage;
    ProjectService project_service(storage);
    HmiEditorService editor_service(project_service);
    LogicEditorService logic_editor_service(project_service);
    VirtualRegisterRepository repository;
    HmiRuntimeService runtime_service(repository);
    AlarmEditorService alarm_editor_service(project_service);
    AlarmService alarm_service(project_service, repository);
    RegisterCommentService register_comment_service(project_service);
    OfflineSimulationService simulation_service(repository);
    RuntimeModeService mode_service(project_service, simulation_service);
    RegisterMonitorService monitor_service(repository);
    MainWindow window(
        mode_service,
        project_service,
        editor_service,
        logic_editor_service,
        runtime_service,
        alarm_editor_service,
        alarm_service,
        register_comment_service,
        monitor_service);
    window.show();
    QApplication::processEvents();

    QAction *parallel_action = requiredChild<QAction>(window, "parallelInsertAction");
    require(parallel_action->menu() != nullptr,
            "parallel insertion must expose its node type menu");
    QStringList parallel_labels;
    for (QAction *action : parallel_action->menu()->actions())
    {
        parallel_labels.push_back(action->text());
    }
    require(parallel_labels.contains(QStringLiteral("并联上升沿触点"))
                && parallel_labels.contains(QStringLiteral("并联下降沿触点"))
                && parallel_labels.contains(QStringLiteral("并联 T 触点")),
            "parallel insertion must include edge and T contact choices");

    QAction *rising_action = requiredChild<QAction>(window, "addRisingEdgeAction");
    QAction *falling_action = requiredChild<QAction>(window, "addFallingEdgeAction");
    QAction *timer_contact_action = requiredChild<QAction>(
        window, "addTimerContactAction");
    QAction *ton_action = requiredChild<QAction>(window, "addTonAction");
    requiredChild<QAction>(window, "editRungCommentAction");
    requiredChild<QAction>(window, "configureRegisterCommentsAction");
    QSpinBox *address = requiredChild<QSpinBox>(window, "logicAddressSpinBox");
    QSpinBox *preset = requiredChild<QSpinBox>(window, "logicPresetSpinBox");
    QComboBox *mode = requiredChild<QComboBox>(window, "logicModeComboBox");
    QPushButton *apply = requiredChild<QPushButton>(
        window, "applyLogicPropertiesButton");
    const std::string logic_id = logic_editor_service.firstLogicId();

    rising_action->trigger();
    address->setValue(8);
    mode->setCurrentIndex(mode->findData(static_cast<int>(EdgeMode::Falling)));
    apply->click();
    const LogicNode *edge = logic_editor_service.findNode(logic_id, "edge-1");
    require(edge != nullptr && edge->configured
                && std::get<EdgeContactNodeConfig>(edge->config).address.index() == 8
                && std::get<EdgeContactNodeConfig>(edge->config).mode
                    == EdgeMode::Falling,
            "edge properties must update M address and edge mode");

    timer_contact_action->trigger();
    address->setValue(9);
    mode->setCurrentIndex(mode->findData(
        static_cast<int>(ContactMode::NormallyClosed)));
    apply->click();
    const LogicNode *timer_contact = logic_editor_service.findNode(
        logic_id, "timer-contact-1");
    require(timer_contact != nullptr && timer_contact->configured
                && std::get<TimerContactNodeConfig>(timer_contact->config).address
                    == TimerAddress{9}
                && std::get<TimerContactNodeConfig>(timer_contact->config).mode
                    == ContactMode::NormallyClosed,
            "T contact properties must update T address and contact mode");

    ton_action->trigger();
    require(preset->isEnabled() && !mode->isEnabled(),
            "TON properties must enable PT and disable irrelevant mode editing");
    address->setValue(9);
    preset->setValue(1234);
    apply->click();
    const LogicNode *ton = logic_editor_service.findNode(logic_id, "ton-1");
    require(ton != nullptr && ton->configured
                && std::get<TonNodeConfig>(ton->config).address == TimerAddress{9}
                && std::get<TonNodeConfig>(ton->config).presetMs == 1234,
            "TON properties must update T address and preset milliseconds");

    falling_action->trigger();
    const LogicNode *falling = logic_editor_service.findNode(logic_id, "edge-2");
    require(falling != nullptr
                && std::get<EdgeContactNodeConfig>(falling->config).mode
                    == EdgeMode::Falling,
            "falling edge action must create a falling-edge condition");
}

void testPlcConfigurationUsesDialog()
{
    PlcSerialConfiguration initial;
    initial.portName = "COM17";
    initial.serverAddress = 12;
    initial.baudRate = 38400;
    initial.dataBits = 7;
    initial.parity = 3;
    initial.stopBits = 2;
    initial.responseTimeoutMs = 2500;
    initial.retries = 4;
    initial.pollIntervalMs = 350;
    PlcConnectionDialog configuration_dialog(initial);
    const PlcSerialConfiguration actual = configuration_dialog.configuration();
    require(actual.portName == initial.portName,
            "PLC dialog must preserve a manually entered serial port");
    require(actual.serverAddress == initial.serverAddress
                && actual.baudRate == initial.baudRate
                && actual.dataBits == initial.dataBits
                && actual.parity == initial.parity
                && actual.stopBits == initial.stopBits,
            "PLC dialog must preserve Modbus RTU serial parameters");
    require(actual.responseTimeoutMs == initial.responseTimeoutMs
                && actual.retries == initial.retries
                && actual.pollIntervalMs == initial.pollIntervalMs,
            "PLC dialog must preserve communication timing parameters");

    TestProjectStorage storage;
    ProjectService project_service(storage);
    HmiEditorService editor_service(project_service);
    LogicEditorService logic_editor_service(project_service);
    VirtualRegisterRepository repository;
    HmiRuntimeService runtime_service(repository);
    AlarmEditorService alarm_editor_service(project_service);
    AlarmService alarm_service(project_service, repository);
    RegisterCommentService register_comment_service(project_service);
    OfflineSimulationService simulation_service(repository);
    RuntimeModeService mode_service(project_service, simulation_service);
    RegisterMonitorService monitor_service(repository);
    MainWindow window(
        mode_service,
        project_service,
        editor_service,
        logic_editor_service,
        runtime_service,
        alarm_editor_service,
        alarm_service,
        register_comment_service,
        monitor_service);
    require(window.findChild<QComboBox *>(QStringLiteral("serialPortComboBox")) == nullptr,
            "serial configuration controls must not be embedded in the main window");
    QAction *configure_action = requiredChild<QAction>(window, "configurePlcAction");
    bool dialog_opened = false;
    QTimer::singleShot(
        0,
        [&dialog_opened]
        {
            auto *dialog = qobject_cast<PlcConnectionDialog *>(
                QApplication::activeModalWidget());
            dialog_opened = dialog != nullptr;
            if (dialog != nullptr)
            {
                dialog->reject();
            }
        });
    configure_action->trigger();
    require(dialog_opened,
            "PLC configuration action must open the dedicated configuration dialog");
}

void testRepeatedPlcStatusNotificationsAreCoalesced()
{
    TestProjectStorage storage;
    ProjectService project_service(storage);
    HmiEditorService editor_service(project_service);
    LogicEditorService logic_editor_service(project_service);
    VirtualRegisterRepository virtual_repository;
    VirtualRegisterRepository plc_repository;
    ActiveRegisterRepository active_repository(virtual_repository);
    HmiRuntimeService runtime_service(active_repository);
    AlarmEditorService alarm_editor_service(project_service);
    AlarmService alarm_service(project_service, active_repository);
    RegisterCommentService register_comment_service(project_service);
    OfflineSimulationService simulation_service(virtual_repository);
    RepeatedStatusGateway gateway;
    RuntimeModeService mode_service(project_service, simulation_service);
    RegisterMonitorService monitor_service(active_repository);
    mode_service.configurePlc(
        gateway, active_repository, virtual_repository, plc_repository);
    MainWindow window(
        mode_service,
        project_service,
        editor_service,
        logic_editor_service,
        runtime_service,
        alarm_editor_service,
        alarm_service,
        register_comment_service,
        monitor_service);
    QListWidget *output = requiredChild<QListWidget>(window, "outputList");
    const int initial_count = output->count();

    const PlcCommunicationResult result = mode_service.connectPlc(
        {"COM3", 1, 9600, 8, 2, 1, 1000, 2, 200});
    require(result.succeeded, "PLC connection setup must succeed");
    QApplication::processEvents();

    const QString expected = QStringLiteral("PLC 已连接，正在读取工程使用的 M/D 地址");
    int matching_count = 0;
    for (int index = initial_count; index < output->count(); ++index)
    {
        if (output->item(index)->text() == expected)
        {
            ++matching_count;
        }
    }
    require(matching_count == 1,
            "repeated PLC status callbacks must append one coalesced output message");
}

void testFreeMonitorWritesSingleValues()
{
    VirtualRegisterRepository repository;
    RegisterMonitorService monitor_service(repository);
    FreeMonitorWidget widget(monitor_service);
    widget.show();
    QApplication::processEvents();

    QLineEdit *address_edit = widget.findChild<QLineEdit *>("addressEdit");
    QPushButton *add_button = widget.findChild<QPushButton *>("addButton");
    QTableWidget *table = widget.findChild<QTableWidget *>("monitorTable");
    require(address_edit != nullptr && add_button != nullptr && table != nullptr,
            "free monitor UI test requires the address, add and table controls");
    address_edit->setText(QStringLiteral("M0"));
    add_button->click();
    require(table->rowCount() == 1, "free monitor UI must add an M row before writing");

    auto *bit_target = qobject_cast<QComboBox *>(table->cellWidget(0, 3));
    auto *bit_write = qobject_cast<QPushButton *>(table->cellWidget(0, 4));
    require(bit_target != nullptr && bit_write != nullptr && !bit_write->isEnabled(),
            "free monitor writes must be disabled outside a running mode");

    widget.setWriteEnabled(true);
    bit_target->setCurrentIndex(bit_target->findData(true));
    bit_write->click();
    require(repository.readBit({RegisterArea::M, 0}).succeeded
                && repository.readBit({RegisterArea::M, 0}).value,
            "free monitor UI must write the selected M value");

    address_edit->setText(QStringLiteral("D0"));
    add_button->click();
    require(table->rowCount() == 2, "free monitor UI must add a D row before writing");
    auto *word_target = qobject_cast<QLineEdit *>(table->cellWidget(1, 3));
    auto *word_write = qobject_cast<QPushButton *>(table->cellWidget(1, 4));
    require(word_target != nullptr && word_write != nullptr && word_write->isEnabled(),
            "D monitor rows must expose an enabled write action when permitted");
    word_target->setText(QStringLiteral("-321"));
    word_write->click();
    require(repository.readWord({RegisterArea::D, 0}).succeeded
                && repository.readWord({RegisterArea::D, 0}).value == -321,
            "free monitor UI must write signed D values");
}

void testOnlineWorkspaceShowsHmiAndFreeMonitorOnly()
{
    TestProjectStorage storage;
    ProjectService project_service(storage);
    HmiEditorService editor_service(project_service);
    LogicEditorService logic_editor_service(project_service);
    const std::string page_id = editor_service.ensureDefaultPage().id;
    const HmiEditorResult button_result = editor_service.addControl(
        page_id, HmiControlType::Button);
    HmiControl button = *editor_service.findControl(page_id, button_result.id);
    button.binding = RegisterAddress{RegisterArea::M, 5};
    button.buttonOperation = HmiButtonOperation::Toggle;
    require(editor_service.updateControl(
                page_id, button_result.id, button).succeeded,
            "online workspace fixture must configure an interactive HMI button");
    VirtualRegisterRepository virtual_repository;
    VirtualRegisterRepository plc_repository;
    ActiveRegisterRepository active_repository(virtual_repository);
    HmiRuntimeService runtime_service(active_repository);
    AlarmEditorService alarm_editor_service(project_service);
    AlarmService alarm_service(project_service, active_repository);
    RegisterCommentService register_comment_service(project_service);
    OfflineSimulationService simulation_service(virtual_repository);
    OnlineReadyGateway gateway;
    RuntimeModeService mode_service(project_service, simulation_service);
    RegisterMonitorService monitor_service(active_repository);
    mode_service.configurePlc(
        gateway, active_repository, virtual_repository, plc_repository);
    MainWindow window(
        mode_service,
        project_service,
        editor_service,
        logic_editor_service,
        runtime_service,
        alarm_editor_service,
        alarm_service,
        register_comment_service,
        monitor_service);
    window.resize(1200, 760);
    window.show();
    QApplication::processEvents();

    require(mode_service.connectPlc(
                {"COM9", 1, 9600, 8, 2, 1, 1000, 2, 200}).succeeded,
            "online workspace test must connect the fake PLC gateway");
    gateway.completeInitialRead();
    QAction *online_action = requiredChild<QAction>(window, "onlineModeAction");
    online_action->trigger();
    QApplication::processEvents();

    RuntimeMonitorWindow *runtime_window = requiredChild<RuntimeMonitorWindow>(
        window, "runtimeMonitorWindow");
    QWidget *runtime_hmi = requiredChild<QWidget>(window, "runtimeHmiView");
    QWidget *runtime_logic = requiredChild<QWidget>(window, "runtimeLogicView");
    QWidget *free_monitor = requiredChild<QWidget>(window, "freeMonitorWidget");
    require(mode_service.mode() == ApplicationMode::OnlineRunning,
            "completed PLC initial read must allow online running");
    require(runtime_window->isVisible() && runtime_window->isMaximized()
                && runtime_hmi->isVisible()
                && free_monitor->isVisible(),
            "online running must show HMI and free monitor in the maximized window");
    require(!runtime_logic->isVisible(),
            "online running must not show a misleading local ladder runtime trace");
    auto *runtime_hmi_view = qobject_cast<HmiEditorWidget *>(runtime_hmi);
    require(runtime_hmi_view != nullptr,
            "online running must expose the unified interactive HMI view");
    QTest::mouseClick(
        runtime_hmi_view->viewport(), Qt::LeftButton, Qt::NoModifier,
        runtime_hmi_view->mapFromScene(QPointF(
            button.bounds.x + button.bounds.width / 2.0,
            button.bounds.y + button.bounds.height / 2.0)));
    QApplication::processEvents();
    require(plc_repository.readBit({RegisterArea::M, 5}).succeeded
                && plc_repository.readBit({RegisterArea::M, 5}).value,
            "the unified online HMI must write through the active PLC repository");
    QLineEdit *monitor_address = requiredChild<QLineEdit>(window, "addressEdit");
    QPushButton *monitor_add = requiredChild<QPushButton>(window, "addButton");
    QTableWidget *monitor_table = requiredChild<QTableWidget>(window, "monitorTable");
    monitor_address->setText(QStringLiteral("D9"));
    monitor_add->click();
    require(std::find(
                gateway.poll_addresses.begin(),
                gateway.poll_addresses.end(),
                RegisterAddress{RegisterArea::D, 9}) != gateway.poll_addresses.end(),
            "online free monitor addresses must join the active PLC poll set immediately");
    auto *monitor_write = qobject_cast<QPushButton *>(monitor_table->cellWidget(0, 4));
    require(monitor_write != nullptr && monitor_write->isEnabled(),
            "online Connected mode must enable free monitor writes");

    QAction *configure_action = requiredChild<QAction>(window, "configurePlcAction");
    QAction *disconnect_action = requiredChild<QAction>(window, "disconnectPlcAction");
    QListWidget *output = requiredChild<QListWidget>(window, "outputList");
    gateway.timeoutCommunication(
        "PLC 通信超时，本地串口 COM9 仍处于打开状态；请检查 PLC 供电和 RS-485 接线");
    QApplication::processEvents();

    require(mode_service.mode() == ApplicationMode::Editing,
            "a PLC timeout must return online running to editing");
    require(!runtime_window->isVisible(),
            "a PLC timeout must hide the runtime monitor window");
    require(!monitor_write->isEnabled(),
            "a PLC communication fault must disable free monitor writes");
    require(disconnect_action->isEnabled(),
            "a timeout must keep disconnect available while the local port remains open");
    require(configure_action->isEnabled()
                && configure_action->text() == QStringLiteral("PLC 重新配置"),
            "a timeout must keep PLC reconfiguration available");

    gateway.recoverCommunication();
    QApplication::processEvents();
    require(mode_service.mode() == ApplicationMode::Editing,
            "automatic communication recovery must remain in editing mode");
    require(output->count() > 0
                && output->item(output->count() - 1)->text().contains(
                    QStringLiteral("通信已恢复")),
            "automatic recovery must be retained in the output log");
    online_action->trigger();
    require(mode_service.mode() == ApplicationMode::Editing,
            "recovered communication must complete a fresh initial read before online mode");

    gateway.completeInitialRead();
    QApplication::processEvents();
    online_action->trigger();
    require(mode_service.mode() == ApplicationMode::OnlineRunning,
            "users must be able to re-enter online mode after the recovered initial read");

    gateway.loseSerialConnection(
        "PLC 串口 COM9 连接已中断；请检查 USB 转串口是否被拔出或已经失效");
    QApplication::processEvents();

    require(mode_service.mode() == ApplicationMode::Editing,
            "a communication fault must return the UI from online running to editing");
    require(configure_action->isEnabled()
                && configure_action->text() == QStringLiteral("PLC 配置"),
            "a lost serial connection must expose direct configuration");
    require(!disconnect_action->isEnabled(),
            "a lost serial connection must disable redundant disconnect actions");
    require(output->count() > 0
                && output->item(output->count() - 1)->text().contains(
                    QStringLiteral("连接已中断")),
            "communication fault details must remain in the output log");

    online_action->trigger();
    require(mode_service.mode() == ApplicationMode::Editing,
            "faulted PLC state must not re-enter online running without a fresh read");
}

void testMultiPageAndLogicMainWindowIntegration()
{
    TestProjectStorage storage;
    ProjectService project_service(storage);
    HmiEditorService editor_service(project_service);
    LogicEditorService logic_editor_service(project_service);
    const std::string main_page_id = editor_service.ensureDefaultPage().id;
    const std::string settings_page_id = editor_service.addPage("Settings").id;
    const std::string first_logic_id = logic_editor_service.ensureDefaultLogic().id;
    const std::string second_logic_id =
        logic_editor_service.addLogic("Safety logic").id;

    const HmiEditorResult jump_result = editor_service.addControl(
        main_page_id, HmiControlType::PageJump);
    HmiControl jump = *editor_service.findControl(main_page_id, jump_result.id);
    jump.pageJump = HmiPageJumpConfig{settings_page_id};
    require(editor_service.updateControl(
                main_page_id, jump_result.id, jump).succeeded,
            "the integration fixture must configure PageJump");

    VirtualRegisterRepository repository;
    HmiRuntimeService runtime_service(repository);
    AlarmEditorService alarm_editor_service(project_service);
    AlarmService alarm_service(project_service, repository);
    RegisterCommentService register_comment_service(project_service);
    OfflineSimulationService simulation_service(repository);
    RuntimeModeService mode_service(project_service, simulation_service);
    RegisterMonitorService monitor_service(repository);
    HmiNavigationService navigation_service(project_service);
    MainWindow window(
        mode_service,
        project_service,
        editor_service,
        logic_editor_service,
        runtime_service,
        alarm_editor_service,
        alarm_service,
        navigation_service,
        register_comment_service,
        monitor_service);
    window.resize(1400, 820);
    window.show();
    QApplication::processEvents();

    QTreeWidget *tree = requiredChild<QTreeWidget>(window, "projectTree");
    require(tree->topLevelItemCount() == 2
                && tree->topLevelItem(0)->childCount() == 2
                && tree->topLevelItem(1)->childCount() == 2,
            "the project tree must list every page and logic module");

    tree->setCurrentItem(tree->topLevelItem(0)->child(1));
    QApplication::processEvents();
    require(window.currentHmiPageId() == settings_page_id,
            "selecting a page tree node must change the current HMI page id");
    QSpinBox *page_width = requiredChild<QSpinBox>(window, "pageWidthSpinBox");
    QSpinBox *page_height = requiredChild<QSpinBox>(window, "pageHeightSpinBox");
    QPushButton *apply_page_properties = requiredChild<QPushButton>(
        window, "applyPagePropertiesButton");
    require(page_width->isEnabled() && page_height->isEnabled()
                && page_width->value() == 800 && page_height->value() == 400,
            "selecting an HMI page must expose its page dimensions");
    page_width->setValue(1024);
    page_height->setValue(600);
    apply_page_properties->click();
    require(editor_service.findPage(settings_page_id)->width == 1024
                && editor_service.findPage(settings_page_id)->height == 600
                && requiredChild<QLabel>(window, "hmiPageSizeLabel")->text()
                    == QStringLiteral("1024 x 600"),
            "applying page properties must update the model and page summary");
    QAction *add_label = requiredChild<QAction>(window, "addLabelAction");
    add_label->trigger();
    require(editor_service.findPage(settings_page_id)->controls.size() == 1U
                && editor_service.findPage(main_page_id)->controls.size() == 1U,
            "HMI toolbar actions must edit the selected page rather than the first page");
    QComboBox *binding_area = requiredChild<QComboBox>(window, "bindingAreaComboBox");
    QComboBox *target_page = requiredChild<QComboBox>(window, "targetPageComboBox");
    require(!binding_area->isVisible() && !target_page->isVisible(),
            "Label properties must hide both register binding and PageJump target fields");

    tree->setCurrentItem(tree->topLevelItem(1)->child(1));
    QApplication::processEvents();
    require(window.currentLogicId() == second_logic_id,
            "selecting a logic tree node must change the current logic id");
    requiredChild<QAction>(window, "addRungAction")->trigger();
    require(logic_editor_service.findLogic(second_logic_id)->rungs.size() == 1U
                && logic_editor_service.findLogic(first_logic_id)->rungs.empty(),
            "logic toolbar actions must edit the selected logic module");

    tree->setCurrentItem(tree->topLevelItem(0)->child(0));
    QApplication::processEvents();
    HmiEditorWidget *editor = requiredChild<HmiEditorWidget>(window, "hmiEditorWidget");
    editor->selectControl(jump_result.id);
    QApplication::processEvents();
    require(target_page->isVisible() && !binding_area->isVisible()
                && target_page->currentData().toString()
                    == QString::fromStdString(settings_page_id),
            "PageJump properties must show a target-page selector without register fields");

    requiredChild<QAction>(window, "offlineModeAction")->trigger();
    QApplication::processEvents();
    require(mode_service.mode() == ApplicationMode::OfflineRunning
                && navigation_service.currentPageId() == main_page_id,
            "runtime HMI navigation must start on the persisted initial page");
    HmiEditorWidget *runtime_hmi = requiredChild<HmiEditorWidget>(
        window, "runtimeHmiView");
    QGraphicsItem *jump_item = nullptr;
    for (QGraphicsItem *item : runtime_hmi->scene()->items())
    {
        if (item->zValue() >= 0.0)
        {
            jump_item = item;
            break;
        }
    }
    require(jump_item != nullptr, "runtime HMI must render the PageJump control");
    const QPoint jump_center = runtime_hmi->mapFromScene(
        jump_item->mapToScene(jump_item->boundingRect().center()));
    QTest::mouseClick(runtime_hmi->viewport(), Qt::LeftButton,
                      Qt::NoModifier, jump_center);
    QApplication::processEvents();
    require(navigation_service.currentPageId() == settings_page_id
                && requiredChild<QLabel>(window, "runtimePageLabel")->text()
                    == QStringLiteral("Settings"),
            "clicking PageJump at runtime must navigate locally to its target page");

    QComboBox *logic_selector = requiredChild<QComboBox>(
        window, "runtimeLogicComboBox");
    require(logic_selector->count() == 2,
            "runtime logic selector must list all enabled logic modules");
    logic_selector->setCurrentIndex(
        logic_selector->findData(QString::fromStdString(second_logic_id)));
    QApplication::processEvents();
    auto *runtime_monitor = requiredChild<RuntimeMonitorWidget>(
        window, "runtimeMonitorWidget");
    require(runtime_monitor->selectedLogicId() == second_logic_id,
            "runtime logic selection must change only the visible trace projection");

    requiredChild<QAction>(window, "editingModeAction")->trigger();
}

} // namespace

int main(int argc, char *argv[])
{
    // 无窗口平台使 Qt Widgets 测试可在自动化环境稳定运行
    qputenv("QT_QPA_PLATFORM", QByteArrayLiteral("offscreen"));
    QApplication application(argc, argv);

    try
    {
        testLogicEditorBatchDeletesWholeParallelRow();
        testRuntimeButtonMouseInteraction();
        testRuntimeProgressBarRendering();
        testRuntimePageJumpDoesNotRequireRegisterWritePermission();
        testRuntimeAlarmListInteraction();
        testLogicEmptyGridSlotInsertion();
        testLogicParallelPaddingGridInsertion();
        testLogicParallelActionsRespectGridSelectionType();
        testLogicVerticalWireUsesSelectedWireCells();
        testLogicVerticalWireUsesAdjacentWireCells();
        testLogicParallelBranchConnectsShortBranchToRightJoin();
        testLogicContinuousInsertionConsumesFullWire();
        testLogicHorizontalWireCanBeInsertedAgainAfterUndoingFirstAutoRung();
        testWindowTitleTracksUnsavedProjectChanges();
        testModeActionsControlEditingAvailability();
        testRuntimeMonitorWindowLifecycle();
        testEdgeTimerPropertyEditingAndParallelMenu();
        testPlcConfigurationUsesDialog();
        testRepeatedPlcStatusNotificationsAreCoalesced();
        testFreeMonitorWritesSingleValues();
        testOnlineWorkspaceShowsHmiAndFreeMonitorOnly();
        testMultiPageAndLogicMainWindowIntegration();
        testApplicationExitClosesRuntimeMonitorWindow();
    }
    catch (const std::exception &error)
    {
        std::cerr << "main window tests failed: " << error.what() << '\n';
        return 1;
    }

    std::cout << "main window tests passed\n";
    return 0;
}