import * as electron from 'electron'
import { app, BrowserWindow, desktopCapturer, ipcMain, Menu, Notification, screen, shell, Tray } from 'electron'
import path, { join } from 'path'
import { electronApp, is, optimizer } from '@electron-toolkit/utils'
// eslint-disable-next-line @typescript-eslint/ban-ts-comment
// @ts-ignore
import { useCheckUpdate } from './useCheckUpdate'
import vimConfig from '/src/renderer/src/config/VimConfig'

//刷新托盘定时器
let flashIconTimer: NodeJS.Timeout | null = null
let cutWindow: BrowserWindow | null = null
const iconPath =
  process.platform === 'win32' ? '../../resources/icon.ico' : '../../resources/icon.png'
const emptyIconPath =
  process.platform === 'win32' ? '../../resources/empty.ico' : '../../resources/empty.png'
let appIcon: Electron.Tray | null = null

function createWindow(): void {
  // Create the browser window.
  const mainWindow = new BrowserWindow({
    show: false,
    autoHideMenuBar: true,
    webPreferences: {
      contextIsolation: !process.env.ELECTRON_NODE_INTEGRATION,
      webSecurity: true,
      nodeIntegration: true, // 解决require is not defined问题
      webviewTag: true, // 解决webview无法显示问题
      preload: join(__dirname, '../preload/index.js'),
      sandbox: false
    },
    useContentSize: true,
    width: 1000,
    height: 600,
    frame: false
  })

  mainWindow.on('ready-to-show', () => {
    mainWindow.show()
    useCheckUpdate(app)
  })

  // 处理窗口失去焦点事件
  mainWindow.on('blur', () => {
    mainWindow.webContents.send('BLUR', true)
  })

  // 处理窗口获得焦点事件
  mainWindow.on('focus', () => {
    mainWindow.webContents.send('FOCUS', false)
  })

  /**
   * 系统休眠
   */
  electron.powerMonitor.on('suspend', () => {
    mainWindow.webContents.send('SLEEP')
  })

  /**
   * 系统唤醒
   */
  electron.powerMonitor.on('resume', () => {
    mainWindow.webContents.send('RESUME')
  })

  mainWindow.webContents.setWindowOpenHandler((details) => {
    shell.openExternal(details.url).then()
    return { action: 'deny' }
  })

  // HMR for renderer base on electron-vite cli.
  // Load the remote URL for development or the local html file for production.
  if (is.dev && process.env['ELECTRON_RENDERER_URL']) {
    mainWindow.loadURL(process.env['ELECTRON_RENDERER_URL']).then()
  } else {
    mainWindow.loadFile(join(__dirname, '../renderer/index.html')).then()
  }

  ipcMain.on('min', () => {
    mainWindow.minimize()
  })

  ipcMain.on('openURL', (e: Electron.IpcMainEvent, url: string) => {
    e.preventDefault()
    shell.openExternal(url).then()
  })

  ipcMain.on('max', () => {
    if (mainWindow.isMaximized()) {
      mainWindow.unmaximize()
    } else {
      mainWindow.maximize()
    }
  })

  // 只是隐藏任务栏
  ipcMain.on('close', () => {
    hideMain(mainWindow)
  })

  // 闪烁任务栏
  ipcMain.on('flashFrame', () => {
    //没有聚焦
    if (!mainWindow.isFocused()) {
      mainWindow.flashFrame(true)
    }
  })

  /**
   * 发生系统通知
   * @param content 通知内容
   * @param url 点击通知跳转的url
   */
  ipcMain.on(
    'NOTIFICATION',
    (e: Electron.IpcMainEvent, content: string, url: string | undefined) => {
      e.preventDefault()
      if (!mainWindow.isFocused()) {
        new Notification({
          title: vimConfig.name,
          body: content,
          timeoutType: 'never'
        })
          .on('click', (event) => {
            event.preventDefault()
            showMain(mainWindow)
            if (url) {
              shell.openExternal(url).then()
            }
          })
          .show()
      }
    }
  )

  appIcon = createTray(mainWindow, iconPath)

  // 闪烁任务栏
  ipcMain.on('flashIcon', () => {
    if (!mainWindow.isVisible()) {
      clearFlashIconTimer()
      let count = 0
      flashIconTimer = setInterval(() => {
        count++
        if (appIcon) {
          if (count % 2 === 0) {
            appIcon.setImage(path.join(__dirname, emptyIconPath))
          } else {
            appIcon.setImage(path.join(__dirname, iconPath))
          }
        }
      }, 500)
    }
  })

  ipcMain.on('clearFlashIcon', () => {
    clearFlashIconTimer()
    if (appIcon) {
      appIcon.setImage(path.join(__dirname, iconPath))
    }
  })

  // 获取设备窗口信息
  ipcMain.handle('getSource', async () => {
    const sources = await desktopCapturer.getSources({
      types: ['screen'],
      thumbnailSize: getSize()
    })
    //当前的屏幕id
    const { id } = screen.getDisplayNearestPoint(screen.getCursorScreenPoint())
    //多屏情况下，只截图当前的屏幕
    return sources.find((source) => source.display_id === id + '') ?? sources[0]
  })

  /**
   * 点击截屏弹出截屏窗口
   */
  ipcMain.on('OPEN_CUT_SCREEN', async (event, args) => {
    event.preventDefault()
    closeCutWindow()
    if (args) {
      mainWindow.hide()
    }
    await createCutWindow()
    if (cutWindow) {
      cutWindow.show()
    }
  })

  /**
   * 截屏事件
   */
  ipcMain.on('CUT_SCREEN', async (e, cutInfo) => {
    e.preventDefault()
    closeCutWindow()
    mainWindow.webContents.send('GET_CUT_INFO', cutInfo)
    mainWindow.show()
  })

  /**
   * 关闭截屏窗口
   */
  ipcMain.on('CLOSE_CUT_SCREEN', async () => {
    closeCutWindow()
    mainWindow.show()
  })

}

/**
 * 隐藏窗口，隐藏任务栏
 */
function hideMain(win: BrowserWindow) {
  win.setSkipTaskbar(true)
  win.hide()
}

/**
 * 清除图片闪烁的定时器
 */
function clearFlashIconTimer() {
  if (flashIconTimer) {
    clearInterval(flashIconTimer)
    if (appIcon) {
      appIcon.setImage(path.join(__dirname, iconPath))
    }
  }
}

/**
 * 获取截屏的size
 */
function getSize() {
  const { size, scaleFactor } = screen.getDisplayNearestPoint(screen.getCursorScreenPoint())
  return {
    width: Math.floor(size.width * scaleFactor),
    height: Math.floor(size.height * scaleFactor)
  }
}

/**
 * 创建一个截屏窗口
 */
async function createCutWindow() {
  cutWindow = new BrowserWindow({
    useContentSize: true,
    autoHideMenuBar: true,
    movable: false,
    frame: false,
    resizable: false,
    hasShadow: false,
    transparent: true,
    fullscreen: true,
    simpleFullscreen: true,
    alwaysOnTop: false,
    webPreferences: {
      contextIsolation: !process.env.ELECTRON_NODE_INTEGRATION,
      webSecurity: false,
      nodeIntegration: true, // 解决require is not defined问题
      webviewTag: true, // 解决webview无法显示问题
      preload: join(__dirname, '../preload/index.js'),
      sandbox: false
    }
  })
  const cutPage = process.platform === 'win32' ? 'cutWin32' : 'cutLinux'
  if (process.env['ELECTRON_RENDERER_URL']) {
    await cutWindow.loadURL(`${process.env['ELECTRON_RENDERER_URL']}#/${cutPage}`)
    if (!process.env.IS_TEST) cutWindow.webContents.openDevTools()
  } else {
    await cutWindow.loadFile(join(__dirname, '../renderer/index.html'), { hash: cutPage })
  }
  cutWindow.maximize()
  cutWindow.setFullScreen(true)
}

function closeCutWindow() {
  cutWindow && cutWindow.close()
  cutWindow = null
}

app.whenReady().then(() => {
  electronApp.setAppUserModelId('com.electron')
  app.on('browser-window-created', (_, window) => {
    optimizer.watchWindowShortcuts(window)
  })

  createWindow()

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

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

app.on('browser-window-focus', () => {
  clearFlashIconTimer()
})

/**
 * 创建托盘图标
 * @param win
 * @param iconPath
 */
function createTray(win: BrowserWindow, iconPath: string) {
  // 托盘
  const appIcon = new Tray(path.join(__dirname, iconPath))
  const contextMenu = Menu.buildFromTemplate([
    {
      label: '显示',
      click: () => {
        showMain(win)
      }
    },
    {
      label: '退出',
      click: () => {
        app.quit()
      }
    }
  ])
  appIcon.setToolTip(vimConfig.name)
  appIcon.setContextMenu(contextMenu)
  appIcon.on('click', () => {
    showMain(win)
  })

  return appIcon
}

/**
 * 展示窗口，打开任务栏
 */
function showMain(win: BrowserWindow) {
  win.setSkipTaskbar(false)
  win.show()
  clearFlashIconTimer()
}