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

let mainWindow;

function createWindow() {
  mainWindow = new BrowserWindow({
    width: 800,
    height: 600,
    frame: false,
    transparent: true,
    webPreferences: {
      preload: path.join(__dirname, 'preload.js'),
      nodeIntegration: false,
      contextIsolation: true
    },
    resizable: false,
    center: true,
    show: false
  });

  mainWindow.loadFile('index.html');

  mainWindow.once('ready-to-show', () => {
    mainWindow.show();
  });
}

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

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

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

// IPC handlers
ipcMain.on('window-controls', (event, action) => {
  if (!mainWindow) return;
  switch (action) {
    case 'close':
      app.quit();
      break;
    case 'minimize':
      mainWindow.minimize();
      break;
  }
});

// Select installation directory
ipcMain.handle('select-directory', async () => {
  const result = await dialog.showOpenDialog(mainWindow, {
    properties: ['openDirectory']
  });
  if (result.canceled) {
    return null;
  } else {
    return result.filePaths[0];
  }
});