const { app, BrowserWindow, ipcMain, Notification, screen } = require('electron');

//数据持久化存储
// const Store = require('electron-store');

// const store = new Store();

// 控制窗口关闭事件的拦截时机,(当前程序状态是否处于程序更新安装状态)
let isAppInstallStatus = false;

const { autoUpdater } = require('electron-updater');

// 存在新版本时，默认自动下载更新,若想通过渲染进程手动触发，需要设置autoDownload为false
autoUpdater.autoDownload = false;

autoUpdater.setFeedURL({
    provider: 'generic',
    url: 'http://180.109.254.84:9264/eUpdater/', // 打包文件存放地址
})

const log = require('electron-log');

//载入electron-edge-js
const edge = require('electron-edge-js')

// 这里引入 path
const path = require('path');

const { join } = require('path')

// 屏蔽安全警告
// ectron Security Warning (Insecure Content-Security-Policy)
process.env['ELECTRON_DISABLE_SECURITY_WARNINGS'] = 'true'

// 当前环境是不是开发环境 (true 是 , false 不是)
const isDevelopment = process.env.NODE_ENV === 'development'

// console.log(process.env.NODE_ENV)

let win = null;

const createWindow = (w, h) => {
    win = new BrowserWindow({
        title: 'ZPLPrinter',
        // 窗口图标
        minWidth: w,
        maxWidth: w,
        minHeight: h,
        maxHeight: h,
        width: w,
        height: h, frame: false, transparent: false,
        maximizable: false,
        webPreferences: {
            webSecurity: false,//如果为false，它将禁用同源策略
            contextIsolation: false,
            nodeIntegration: true,
        }
    })

    //隐藏自带的工具栏
    win.setMenu(null);

    // 加载vue url视本地环境而定，如http://localhost:5173
    // win.loadURL('http://localhost:3000')
    // development模式
    if (process.env.VITE_DEV_SERVER_URL) {

        win.loadURL(process.env.VITE_DEV_SERVER_URL)
        // 开启调试台
        win.webContents.openDevTools()
    }
    else {
        win.loadFile(join(__dirname, 'dist/index.html'))
    }

    // 监听窗口关闭事件
    win.on('close', (e) => {

        // console.log(isAppInstallStatus);

        if (!isAppInstallStatus) {

            e.preventDefault();

            let _win = BrowserWindow.getFocusedWindow();

            if (_win == null) { _win = win }

            _win.webContents.send('win-close');
        }
    });

    app.commandLine.appendSwitch('charset', 'UTF-8');

}

//app初始化完成
app.on('ready', () => {

    const { width, height } = screen.getPrimaryDisplay().workAreaSize;

    let min_width = Math.floor(width * 0.7);

    let min_height = Math.floor(height * 0.8);

    createWindow(min_width, min_height);

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

    app.setAppUserModelId('ZPLCloud');
})

// 当关闭所有窗口时
app.on('window-all-closed', () => { if (process.platform !== 'darwin') app.quit() })


//最小化窗口
ipcMain.on('minWin', (args) => {
    win.minimize()
})

//关闭窗口
ipcMain.on('closeWin', (args) => {
    win.close()
})

// 程序立即退出
ipcMain.on('win-close-ok', () => {
    app.exit();
})

//打开控制台
ipcMain.on('win-open-dev-tools', () => {
    win.webContents.openDevTools()
})

//DLL路径
let lib = null;

if (isDevelopment) {
    //测试环境
    lib = path.join(__dirname, './resources/dll/ThisRawPrinter.dll');
} else {
    //正式环境
    lib = path.join(path.dirname(app.getPath('exe')), './resources/dll/ThisRawPrinter.dll');
}

//执行发送的ZPL指令
let zSend = edge.func({
    assemblyFile: lib,
    typeName: 'ThisRawPrinter.RawPrinterHelper',
    methodName: 'SendStringToPrinter'
})

// let args = {
//     szString: '^XA^FO50,50^ADN,36,20^FDHello, World!^FS^XZ',
//     szPrinterName: 'ZDesigner ZT211-203dpi ZPL',
// };

//接收发送的ZPL指令
ipcMain.on('send-zpl-printer', (event, args) => {

    let _win = BrowserWindow.getFocusedWindow();

    if (_win == null) { _win = win }

    zSend(args, (err, res) => {
        if (err) {
            _win.webContents.send('send-zpl-back', err);
        } else {
            _win.webContents.send('send-zpl-back', res);
        }
    })
})

//获取本地的打印机列表
ipcMain.on('win-all-printers', () => {
    win.webContents.getPrintersAsync().then(res => {
        win.webContents.send('win-all-printers', res);
    });
})

// 接收更新命令
ipcMain.on('thisDownloadnow', () => {

    // 更新前，删除本地安装包 ↓
    // let updaterCacheDirName = app.getName() + '-updater';
    // const updatePendingPath = path.join(autoUpdater.app.baseCachePath, updaterCacheDirName, 'pending')

    // fs_extra.emptyDir(updatePendingPath)
    // 更新前，删除本地安装包 ↑

    //开始下载
    autoUpdater.downloadUpdate();

})


//取消程序更新
ipcMain.on('thisAbortForUpdates', () => { autoUpdater.updateCancelled(); })

//检查程序更新
ipcMain.on('thisCheckForUpdates', () => {

    autoUpdater.checkForUpdates();

    //检查更新
    autoUpdater.on('checking-for-update', () => {
        log.info("正在检查更新...");
    })

    //没有可用更新
    autoUpdater.on('update-not-available', () => {
        log.info('没有可用更新.');
        win.webContents.send('thisUpdateNotaVailable', { code: 102, msg: '没有可用更新', data: {} });
    })

    //有可用更新
    autoUpdater.on('update-available', (info) => {

        log.info('有可用更新.' + info);
        log.info(info);

        // autoUpdater.downloadUpdate()
        win.webContents.send('thisUpdateaVailable', { code: 200, msg: '有可用更新', data: info });
    })

    // 更新出错
    autoUpdater.on('error', (err) => {
        log.info('更新出错. ' + err);
        win.webContents.send('thisUpdateError', { code: 200, msg: '更新出错', data: err });
    })

    // 下载进度
    autoUpdater.on('download-progress', (progressObj) => {

        let log_message = progressObj.percent + '% (' + progressObj.transferred + "/" + progressObj.total + ')'

        log.info('下载进度：' + log_message);

        win.webContents.send('thisDownloadProgress', progressObj.percent);
    })

    //更新下载完成
    autoUpdater.on('update-downloaded', (info) => {

        log.info('更新下载完成', info);

        log.info('开始安装...');

        isAppInstallStatus = true;

        autoUpdater.quitAndInstall();

        isAppInstallStatus = false;
    })

})