const { ElectronEgg } = require('ee-core');
const { app, Menu, ipcMain, Tray, dialog, BrowserWindow } = require('electron');
const path = require('path');
const lifecycle = require('./preload/lifecycle');
const { preload } = require('./preload');

// new app
const electronApp = new ElectronEgg();

// 全局变量
let tray = null;
let isQuitting = false;

// 创建系统托盘
function createTray() {
  try {
    // 开发环境和生产环境的图标路径
    const isDev = !process.resourcesPath;
    const iconPath = isDev
      ? path.join(__dirname, '..', 'public', 'images', 'tray.png')
      : path.join(process.resourcesPath, 'app.asar.unpacked', 'public', 'images', 'tray.png');
    
    console.log('[Tray] Icon path:', iconPath);
    
    // 检查图标文件是否存在
    const fs = require('fs');
    if (!fs.existsSync(iconPath)) {
      console.error('[Tray] Icon file not found:', iconPath);
      // 如果找不到，尝试使用备用路径（主图标）
      const fallbackIcon = isDev
        ? path.join(__dirname, '..', 'public', 'images', 'icon.png')
        : path.join(process.resourcesPath, 'app.asar.unpacked', 'public', 'images', 'icon.png');
      
      if (fs.existsSync(fallbackIcon)) {
        console.log('[Tray] Using fallback icon:', fallbackIcon);
        tray = new Tray(fallbackIcon);
      } else {
        console.error('[Tray] No icon available, tray not created');
        return;
      }
    } else {
      tray = new Tray(iconPath);
    }
    
    tray.setToolTip('NPQS-9100自动检测平台');
    console.log('[Tray] Tray created successfully');
  
  // 创建托盘菜单
  const contextMenu = Menu.buildFromTemplate([
    {
      label: '显示主窗口',
      click: () => {
        const mainWindow = BrowserWindow.getAllWindows()[0];
        if (mainWindow) {
          if (mainWindow.isMinimized()) {
            mainWindow.restore();
          }
          mainWindow.show();
          mainWindow.focus();
        }
      }
    },
    { type: 'separator' },
    {
      label: '退出',
      click: async () => {
        // 弹出确认对话框
        const { response } = await dialog.showMessageBox({
          type: 'question',
          title: '退出确认',
          message: '确定退出应用吗？',
          buttons: ['取消', '确定退出'],
          defaultId: 0,
          cancelId: 0
        });
        
        if (response === 1) {
          // 用户点击了"确定退出"
          isQuitting = true;
          
          // 获取主窗口
          const mainWindow = BrowserWindow.getAllWindows()[0];
          
          // 移除所有 close 监听器，避免阻止关闭
          if (mainWindow) {
            mainWindow.removeAllListeners('close');
          }
          
          // 执行清理
          await lifecycle.cleanup();
          
          // 退出应用
          app.quit();
        }
      }
    }
  ]);
  
  tray.setContextMenu(contextMenu);
  
  // 双击托盘图标显示窗口
  tray.on('double-click', () => {
    const mainWindow = BrowserWindow.getAllWindows()[0];
    if (mainWindow) {
      if (mainWindow.isMinimized()) {
        mainWindow.restore();
      }
      mainWindow.show();
      mainWindow.focus();
    }
  });
  
  } catch (error) {
    console.error('[Tray] Failed to create tray:', error);
    tray = null;
  }
}

// 创建应用菜单
function createApplicationMenu() {
  const template = [
    {
      label: '查看',
      submenu: [
        { role: 'reload', label: '刷新' },
        { role: 'forceReload', label: '强制刷新' },
        { type: 'separator' },
        { role: 'toggleDevTools', label: '开发者工具' }
      ]
    },
    {
      label: '帮助',
      submenu: [
        {
          label: '使用说明',
          click: () => {
            // 可以打开帮助文档
          }
        },
        { type: 'separator' },
        {
          label: '关于',
          click: () => {
            // 可以显示关于信息
          }
        }
      ]
    }
  ];
  
  const menu = Menu.buildFromTemplate(template);
  Menu.setApplicationMenu(menu);
}

// 注册 IPC 处理器
ipcMain.handle('show-log-window', () => {
  if (lifecycle.logWindowManager) {
    lifecycle.logWindowManager.show();
  }
});

ipcMain.handle('hide-log-window', () => {
  if (lifecycle.logWindowManager) {
    lifecycle.logWindowManager.hide();
  }
});

ipcMain.handle('toggle-log-window', () => {
  if (lifecycle.logWindowManager) {
    lifecycle.logWindowManager.toggle();
  }
});

// 检查是否正在退出
ipcMain.handle('is-quitting', () => {
  return isQuitting;
});

// 处理单实例：当尝试启动第二个实例时，聚焦已有窗口
app.on('second-instance', (event, commandLine, workingDirectory) => {
  console.log('[Main] Second instance detected, focusing main window...');
  
  // 获取主窗口
  const mainWindow = BrowserWindow.getAllWindows().find(win => {
    return win.getTitle().includes('NPQS') || win.getTitle().includes('检测平台');
  });
  
  if (mainWindow) {
    // 如果窗口最小化，恢复它
    if (mainWindow.isMinimized()) {
      mainWindow.restore();
    }
    
    // 如果窗口隐藏，显示它
    if (!mainWindow.isVisible()) {
      mainWindow.show();
    }
    
    // 聚焦窗口
    mainWindow.focus();
    
    console.log('[Main] Main window focused');
  } else {
    console.warn('[Main] Main window not found');
  }
});

// 监听应用退出前事件（确保清理托盘）
app.on('before-quit', () => {
  console.log('[Main] App before-quit, destroying tray...');
  
  // 销毁托盘图标
  if (tray && !tray.isDestroyed()) {
    tray.destroy();
    tray = null;
  }
});

// 监听 will-quit 事件（强制退出时）
app.on('will-quit', () => {
  console.log('[Main] App will-quit');
  
  // 确保托盘被销毁
  if (tray && !tray.isDestroyed()) {
    tray.destroy();
    tray = null;
  }
});

// register lifecycle (绑定 this 上下文)
electronApp.register("ready", lifecycle.ready.bind(lifecycle));
electronApp.register("electron-app-ready", () => {
  lifecycle.electronAppReady.bind(lifecycle)();
  createApplicationMenu();
  createTray(); // 创建系统托盘
});
electronApp.register("window-ready", lifecycle.windowReady.bind(lifecycle));
electronApp.register("before-close", async () => {
  // 如果不是真正退出，不执行清理
  if (!isQuitting) {
    console.log('[Main] Not quitting, skip cleanup');
    return;
  }
  
  console.log('[Main] Quitting, execute cleanup');
  
  // 销毁托盘图标
  if (tray && !tray.isDestroyed()) {
    tray.destroy();
    tray = null;
  }
  
  await lifecycle.beforeClose.bind(lifecycle)();
});

// register preload
electronApp.register("preload", preload);

// run
electronApp.run();