const {
  app,
  BrowserWindow,
  dialog,
  ipcMain,
  shell,
  Tray,
  Menu,
  screen,
} = require('electron');
const path = require('path');
const url = require('url');
const { initialStorageEvents, storage } = require('./storage');

let mainWindow;

const isDev = process.env.NODE_ENV === 'development';

function createWindow() {
  //创建窗口
  mainWindow = new BrowserWindow({
    height: 900,
    webPreferences: {
      preload: path.join(__dirname, 'preload.js'),
      webSecurity: false,
      nodeIntegration: true,
    },
    backgroundColor: '#2e2c29',
    darkTheme: true,
    title: 'Locking',
    width: 1700,
    frame: false,
    minWidth: 1300,
    minHeight: 900,
  });
  // 隐藏菜单栏
  mainWindow.setMenuBarVisibility(false);
  if (process.env.NODE_ENV === 'development') {
    // 开发环境
    // 加载页面并打开调试工具,根据 NODE_ENV
    // umijs 在dev时会给出相应的url，直接加载即可
    mainWindow.loadURL('http://localhost:8000/');
    mainWindow.webContents.openDevTools();
  } else {
    //生产环境
    // 加载html文件
    // 这里的路径是umi输出的html路径，如果没有修改过，路径和下面是一样的
    mainWindow.loadFile(path.join(__dirname, './dist/index.html'));
    // mainWindow.webContents.openDevTools();
    // mainWindow.loadURL(
    //   url.format({
    //     pathname: path.join(__dirname, '../dist/index.html'),
    //     protocol: 'file:',
    //     slashes: true,
    //   }),
    // );
  }

  mainWindow.webContents.on('did-finish-load', () => {
    // 加载初始localStorage数据
    mainWindow.webContents.send('initialStorageData', storage.getAllItem());
  });
  mainWindow.on('closed', () => {
    mainWindow = null;
  });

  // 创建系统通知区菜单
  tray = new Tray(path.join(__dirname, 'logo.ico'));
  const contextMenu = Menu.buildFromTemplate([
    {
      label: '最大化',
      click: () => {
        mainWindow.maximize();
      },
    },
    {
      label: '最小化',
      click: () => {
        mainWindow.minimize();
      },
    },
    {
      label: '还原',
      click: () => {
        mainWindow.restore();
      },
    },
    {
      label: '退出',
      click: () => {
        mainWindow.destroy();
        notifyWindow.destroy();
      },
    }, //我们需要在这里有一个真正的退出（这里直接强制退出）
  ]);
  tray.setToolTip('LOCKING盒子');
  tray.setContextMenu(contextMenu);
  tray.on('click', () => {
    //我们这里模拟桌面程序点击通知区图标实现打开关闭应用的功能
    mainWindow.isVisible() ? mainWindow.hide() : mainWindow.show();
    mainWindow.isVisible()
      ? mainWindow.setSkipTaskbar(false)
      : mainWindow.setSkipTaskbar(true);
  });
}

// 窗口操作事件
ipcMain.handle('window:close', (event) => {
  const iWindow = BrowserWindow.fromId(event.sender.id);
  iWindow.hide();
  if (iWindow === mainWindow) {
    iWindow.setSkipTaskbar(true);
  }
  event.preventDefault();
  // BrowserWindow.fromId(event.sender.id)?.close();
});
ipcMain.handle('window:zoom', (event) => {
  const iWindow = BrowserWindow.fromId(event.sender.id);
  if (!iWindow) return;
  iWindow.isMaximized() ? iWindow.unmaximize() : iWindow.maximize();
});
ipcMain.handle('window:minimize', (event) => {
  BrowserWindow.fromId(event.sender.id)?.minimize();
});
ipcMain.handle('window:hide', (event) => {
  // console.log(event.sender.id, event.senderFrame, event);
  BrowserWindow.fromId(event.sender.id)?.hide();
});

// 选择文件夹
ipcMain.handle('select-folder', async (event, args) => {
  const res = await dialog.showOpenDialog({
    properties: ['openDirectory'],
  });
  return res;
});
// 打开浏览器
ipcMain.handle('open-browser', (event, url) => {
  shell.openExternal(url);
});
// 打开文件所在位置
ipcMain.handle('open-file-position', (event, message) => {
  shell.showItemInFolder(message.absolutePath);
});

// 主窗口给消息窗口notifyWindow发送消息
ipcMain.handle('notify', (event, messageObj) => {
  // if (!mainWindow.isVisible()) { // 在主窗口不可见时才给消息窗口返送消息
  notifyWindow.show();
  notifyWindow.webContents.send('on-notify', messageObj);
  // }
});
// 消息窗口给主窗口发送重新同步文件的命令
ipcMain.handle('re-sync-file', (event, messageObj) => {
  mainWindow.webContents.send('request-resync-file', messageObj);
});

ipcMain.handle('download-file', (event, messageObj) => {
  mainWindow.webContents.send('request-download-file', messageObj);
});

// 初始化electron-store相关API
initialStorageEvents(ipcMain);

app.on('ready', () => {
  const { width: windowWidth, height: windowHeight } =
    screen.getPrimaryDisplay().workAreaSize;
  createWindow();
  createNotifycationWindow(windowWidth, windowHeight);
  app.on('activate', function () {
    // On macOS it's common to re-create a window in the app when the
    // dock icon is clicked and there are no other windows open.
    if (BrowserWindow.getAllWindows().length === 0) createWindow();
  });
});

app.on('second-instance', (event, commandLine, workingDirectory) => {
  // 当运行第二个实例时,将会聚焦到mainWindow这个窗口
  if (mainWindow) {
    if (mainWindow.isMinimized()) mainWindow.restore();
    mainWindow.focus();
    mainWindow.show();
  }
});
app.on('window-all-closed', () => {
  if (process.platform !== 'darwin') {
    app.quit();
  }
});

let notifyWindow;
function createNotifycationWindow(windowWidth, windowHeight) {
  if (notifyWindow) return notifyWindow;

  //创建窗口
  notifyWindow = new BrowserWindow({
    width: 504,
    height: 219, // 184,
    x: windowWidth - 480 - 20,
    y: windowHeight - 219 + 10,
    webPreferences: {
      preload: path.join(__dirname, 'preload.js'),
      webSecurity: false,
      nodeIntegration: true,
    },
    frame: false,
    resizable: false,
    transparent: true,
    alwaysOnTop: true,
  });
  // 这里的路径是umi输出的html路径，如果没有修改过，路径和下面是一样的
  if (isDev) {
    notifyWindow.webContents.openDevTools();
  }
  notifyWindow.loadFile(path.join(__dirname, 'notifycation.html'));
  notifyWindow.setSkipTaskbar(true);
  notifyWindow.hide();
  // return notifyWindow;
}