let electronMain;
try {
    electronMain = require('electron/main');
} catch {
    electronMain = require('electron');
}

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

const {
    listJLinks,
    startTest,
    stopTest,
    getStatus,
    syncSessionConfig,
    canStartSession,
    stopAllSessions,
} = require('./services/dtmController.cjs');

let mainWindow;

const createWindow = async () => {
    mainWindow = new BrowserWindow({
        width: 1500,
        height: 980,
        minWidth: 1180,
        minHeight: 760,
        backgroundColor: '#f3f0e8',
        webPreferences: {
            preload: path.join(__dirname, 'preload.cjs'),
            contextIsolation: true,
            nodeIntegration: false,
        },
    });

    const devServerUrl = process.env.VITE_DEV_SERVER_URL;

    if (devServerUrl) {
        await mainWindow.loadURL(devServerUrl);
        mainWindow.webContents.openDevTools({ mode: 'detach' });
    } else {
        await mainWindow.loadFile(path.join(app.getAppPath(), 'dist', 'index.html'));
    }
};

ipcMain.handle('jlink:list', async () => listJLinks());
ipcMain.handle('serial:list', async () => listJLinks());
ipcMain.handle('dtm:status', async (_, sessionId) => getStatus(sessionId));
ipcMain.handle('dtm:stop', async (_, sessionId) => stopTest(sessionId));
ipcMain.handle('dtm:sync-config', async (_, sessionId, config) => syncSessionConfig(sessionId, config));
ipcMain.handle('dtm:can-start', async (_, sessionId, config) => canStartSession(sessionId, config));
ipcMain.handle('dtm:start', async (_, sessionId, config) =>
    startTest(sessionId, config, event => {
        if (!mainWindow || mainWindow.isDestroyed()) return;
        mainWindow.webContents.send('dtm:event', event);
    })
);

app.whenReady().then(() => {
    Menu.setApplicationMenu(null);
    return createWindow();
});

app.on('before-quit', () => {
    stopAllSessions().catch(() => {});
});

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

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