import { app, BrowserWindow, session } from 'electron';
import { fileURLToPath } from 'url';
import path from 'path';

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
const isDev = process.env.NODE_ENV === 'development' || !app.isPackaged;

// Set Content Security Policy
function setContentSecurityPolicy() {
  session.defaultSession.webRequest.onHeadersReceived((details, callback) => {
    const csp = isDev
      ? "default-src 'self'; script-src 'self' 'unsafe-inline' http://localhost:*; style-src 'self' 'unsafe-inline'; connect-src 'self' http://localhost:* ws://localhost:*; img-src 'self' data: https: blob:; font-src 'self' data:; worker-src 'self' blob:;"
      : "default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; connect-src 'self'; img-src 'self' data: https:; font-src 'self' data:;";
    
    const responseHeaders = Object.assign({}, details.responseHeaders);
    responseHeaders['Content-Security-Policy'] = [csp];
    
    callback({ responseHeaders });
  });
}

function createWindow() {
  const mainWindow = new BrowserWindow({
    width: 1200,
    height: 800,
    webPreferences: {
      preload: path.join(__dirname, 'preload.cjs'),
      nodeIntegration: false,
      contextIsolation: true
    }
  });

  if (isDev) {
    mainWindow.loadURL('http://localhost:5173');
    mainWindow.webContents.openDevTools();
  } else {
    mainWindow.loadFile(path.join(__dirname, 'dist/index.html'));
  }
}

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

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

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