const { app, BrowserWindow, Menu, ipcMain, nativeTheme } = require('electron');
const path = require('path');

let mainWindow;
let isDarkMode = true;

function createWindow() {
    mainWindow = new BrowserWindow({
        width: 1400,
        height: 900,
        minWidth: 1000,
        minHeight: 700,
        webPreferences: {
            nodeIntegration: false,
            contextIsolation: true,
            preload: path.join(__dirname, 'preload.js')
        },
        icon: path.join(__dirname, 'assets', 'icon.png'),
        backgroundColor: '#000000',
        resizable: true,
        frame: false
    });

    mainWindow.loadFile('index.html');

    const menu = Menu.buildFromTemplate([
        {
            label: 'Datei',
            submenu: [
                {
                    label: 'Neue Datei analysieren',
                    accelerator: 'CmdOrCtrl+N',
                    click: () => mainWindow.webContents.send('new-file')
                },
                { type: 'separator' },
                {
                    label: 'Beenden',
                    accelerator: 'CmdOrCtrl+Q',
                    click: () => app.quit()
                }
            ]
        },
        {
            label: 'Ansicht',
            submenu: [
                {
                    label: 'Dark Mode',
                    type: 'checkbox',
                    checked: isDarkMode,
                    click: (menuItem) => {
                        isDarkMode = menuItem.checked;
                        mainWindow.webContents.send('toggle-theme', isDarkMode);
                        nativeTheme.themeSource = isDarkMode ? 'dark' : 'light';
                    }
                },
                { type: 'separator' },
                {
                    label: 'Vollbild',
                    accelerator: 'F11',
                    click: () => {
                        mainWindow.setFullScreen(!mainWindow.isFullScreen());
                    }
                },
                {
                    label: 'Entwicklertools',
                    accelerator: 'F12',
                    click: () => mainWindow.webContents.toggleDevTools()
                }
            ]
        },
        {
            label: 'Hilfe',
            submenu: [
                {
                    label: 'Über Metadaten-Crawler',
                    click: () => {
                        const { dialog } = require('electron');
                        dialog.showMessageBox(mainWindow, {
                            type: 'info',
                            title: 'Über Metadaten-Crawler',
                            message: 'Metadaten-Crawler (MC)',
                            detail: 'Version 1.0.0\n\nEin professionelles Tool zur Extraktion von Metadaten aus Bild- und Videodateien.\n\n© 2025 IntelSight',
                            buttons: ['OK']
                        });
                    }
                }
            ]
        }
    ]);

    Menu.setApplicationMenu(menu);

    mainWindow.on('closed', () => {
        mainWindow = null;
    });
}

app.whenReady().then(() => {
    createWindow();

    app.on('activate', () => {
        if (BrowserWindow.getAllWindows().length === 0) {
            createWindow();
        }
    });
});

app.on('window-all-closed', () => {
    if (process.platform !== 'darwin') {
        app.quit();
    }
});

// IPC handlers
ipcMain.handle('get-theme', () => isDarkMode);

ipcMain.on('minimize-window', () => {
    mainWindow.minimize();
});

ipcMain.on('maximize-window', () => {
    if (mainWindow.isMaximized()) {
        mainWindow.unmaximize();
    } else {
        mainWindow.maximize();
    }
});

ipcMain.on('close-window', () => {
    mainWindow.close();
});