#include "mainwindow.h"
#include <QToolBar>
#include <QToolButton>
#include <QVBoxLayout>
#include <QButtonGroup>
#include <QFileDialog>
#include <QMessageBox>
#include <QCloseEvent>

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
    , ui_(new Ui::MainWindow)
{
    ui_->setupUi(this);
    hmi_ = new HMIModule(ui_, this);
    hmi_->init();

    initMainWindow();
    // 连接 HMIModule 的信号到 MainWindow 的槽
    connect(hmi_, &HMIModule::logMessageGenerated, this, &MainWindow::appendLog);

    // 新建/打开/保存文件
    connect(ui_->actionNew, &QAction::triggered, this, &MainWindow::onNewFile);
    connect(ui_->actionOpen, &QAction::triggered, this, &MainWindow::onOpenFile);
    connect(ui_->actionSave, &QAction::triggered, this, &MainWindow::onSaveFile);

    connect(ui_->actionStart, &QAction::triggered, this, &MainWindow::startSimulation);
    connect(ui_->actionStop, &QAction::triggered, this, &MainWindow::stopSimulation);
}

MainWindow::~MainWindow()
{
    delete ui_;
}

void MainWindow::initMainWindow()
{
    setWindowTitle("综合平台编辑器");
    setWindowIcon(QIcon(":/resource/image/editor.png"));
    // 运行默认打开HMI页面
    ui_->tabWidget->setCurrentIndex(1);
}

// 实现槽函数
void MainWindow::appendLog(const QString& message)
{
    ui_->textEdit->append(message);
}

// 新建菜单动作槽函数
void MainWindow::onNewFile()
{
    if (!hmi_)
    {
        return;
    }

    if (hmi_->isModified())
    {
        auto ret = QMessageBox::warning(this, "提示",
                                        "当前文件有未保存的更改，是否保存？",
                                        QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel);

        if (ret == QMessageBox::Save)
        {
            QString fileName = QFileDialog::getSaveFileName(this, "保存HMI文件", "", "HMI文件 (*.json)");
            if (!fileName.isEmpty())
            {
                if (!hmi_->saveToFile(fileName))
                {
                    QMessageBox::warning(this, "保存失败", "文件保存失败！");
                    return; // 不新建，保存失败
                }
            }
            else
            {
                return; // 取消保存，取消新建
            }
        }
        else if (ret == QMessageBox::Cancel)
        {
            return; // 取消新建
        }
        // 如果是Discard，直接继续新建，丢弃当前修改
    }
    // 清空编辑区，新建页面
    hmi_->resetPages();
}

void MainWindow::onOpenFile()
{
    QString fileName = QFileDialog::getOpenFileName(this, "打开HMI文件", "", "HMI文件 (*.hmi)");
    if (!fileName.isEmpty())
    {
        if (!hmi_->openFromFile(fileName))
        {
            QMessageBox::warning(this, "打开失败", "文件打开失败或格式不正确！");
        }
    }
}

void MainWindow::onSaveFile()
{

    QString fileName = QFileDialog::getSaveFileName(this, "保存HMI文件", "", "HMI文件 (*.hmi)");
    if (!fileName.isEmpty())
    {
        if (!hmi_->saveToFile(fileName))
        {
            QMessageBox::warning(this, "保存失败", "文件保存失败！");
        }
    }
}

void MainWindow::startSimulation()
{
    if (hmi_ && hmi_->getModbusManager()) {
        // 自己的串口参数，如 COM2 / 9600
        hmi_->getModbusManager()->startSimulation("COM2", 9600, QSerialPort::NoParity, QSerialPort::Data8, QSerialPort::OneStop);
    }
}

void MainWindow::stopSimulation()
{
    if (hmi_ && hmi_->getModbusManager()) {
        hmi_->getModbusManager()->stopSimulation();
    }
}