#include "project.h"
#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonArray>
#include <QFile>

bool Project::saveToFile(const QString& filePath) const {
    QJsonObject root;
    QJsonArray itemsArray;
    for (const ItemData& item : items_) {
        QJsonObject obj;
        obj["type"] = item.type;
        obj["x"] = item.x;
        obj["y"] = item.y;
        itemsArray.append(obj);
    }
    root["items"] = itemsArray;

    QJsonArray connArray;
    for (const ConnectionData& c : connections_) {
        QJsonObject obj;
        obj["from"] = c.from;
        obj["to"] = c.to;
        obj["fromType"] = c.fromType;
        obj["toType"] = c.toType;
        connArray.append(obj);
    }
    root["connections"] = connArray;

    QFile file(filePath);
    if (!file.open(QIODevice::WriteOnly))
        return false;
    file.write(QJsonDocument(root).toJson());
    file.close();
    return true;
}

bool Project::loadFromFile(const QString& filePath) {
    clear();
    QFile file(filePath);
    if (!file.open(QIODevice::ReadOnly))
        return false;
    QJsonDocument doc = QJsonDocument::fromJson(file.readAll());
    file.close();
    if (doc.isNull()) return false;

    QJsonObject root = doc.object();
    QJsonArray itemsArray = root["items"].toArray();
    for (const QJsonValue& v : itemsArray) {
        QJsonObject obj = v.toObject();
        ItemData d;
        d.type = obj["type"].toString();
        d.x = obj["x"].toDouble();
        d.y = obj["y"].toDouble();
        items_.append(d);
    }
    QJsonArray connArray = root["connections"].toArray();
    for (const QJsonValue& v : connArray) {
        QJsonObject obj = v.toObject();
        ConnectionData d;
        d.from = obj["from"].toInt();
        d.to = obj["to"].toInt();
        d.fromType = obj["fromType"].toInt();
        d.toType = obj["toType"].toInt();
        connections_.append(d);
    }
    return true;
}