'use strict';

// 处理提权
function handleElevate() {
    // for debug
    if (process.argv[1] === '.') {
        process.argv[1] = process.argv[2];
        process.argv[2] = process.argv[3];
    }

    if (process.argv[1] === '-e') {
        if (process.platform === 'darwin') {
            require('electron').app.dock.hide();
        }
        let elevate = JSON.parse(Buffer.from(process.argv[2], 'base64').toString());
        require('net').connect(elevate['ipc'], function () {
            process.send = (message, sendHandle, options, callback) => this.write(JSON.stringify(message) + require('os').EOL, callback);
            this.on('end', () => process.emit('disconnect'));
            require('readline').createInterface({ input: this }).on('line', (line) => process.emit('message', JSON.parse(line)));
            process.argv = elevate['arguments'][1];
            require('./' + elevate['arguments'][0]);
        });
        return true;
    }
}
if (handleElevate()) {
    return;
}

const { ipcMain, app, shell, BrowserWindow, Menu, Tray, Notification } = require('electron');
const { autoUpdater } = require('electron-updater');
const isDev = require('electron-is-dev');
const child_process = require('child_process');
const path = require('path');

// Keep a global reference of the window object, if you don't, the window will
// be closed automatically when the JavaScript object is garbage collected.
let mainWindow;

// aria2c启动失败则为null
let aria2c;

// 单实例
const gotTheLock = app.requestSingleInstanceLock()

if (!gotTheLock) {
  app.quit()
} 

app.on('second-instance', (event, commandLine, workingDirectory) => {
    // Someone tried to run a second instance, we should focus our window.
    if (mainWindow) {
        if (mainWindow.isMinimized()) {
            mainWindow.restore();
        }
        if (!mainWindow.isVisible()) {
            mainWindow.show();
        }
        mainWindow.focus();
    }
})

// 调试模式
if (!process.env['NODE_ENV']) {
    process.env['NODE_ENV'] = isDev ? 'development' : 'production';
}

// 自动更新
let updateWindow;
global.autoUpdater = autoUpdater;
// if (process.env['NODE_ENV'] == 'production' && process.platform == 'darwin') {
//     autoUpdater.setFeedURL("https://wudizhanche.mycard.moe/update/darwin/" + app.getVersion());
// }
// else{
//     setTimeout(()=>{
//         autoUpdater.emit('checking-for-update')
//     }, 5000)
//     setTimeout(()=>{
//         autoUpdater.emit('error', '1')
//     }, 6000)
// }
autoUpdater.on('error', (event) => {
    global.update_status = 'error';
    console.log('autoUpdater', 'error', event);
});
autoUpdater.on('checking-for-update', () => {
    global.update_status = 'checking-for-update';
    console.log('autoUpdater', 'checking-for-update');
});
autoUpdater.on('update-available', () => {
    global.update_status = 'update-available';
    console.log('autoUpdater', 'update-available');
});
autoUpdater.on('update-not-available', () => {
    global.update_status = 'update-not-available';
    console.log('autoUpdater', 'update-not-available');
});
autoUpdater.on('update-downloaded', (event) => {
    global.update_status = 'update-downloaded';
    console.log('autoUpdater', 'update-downloaded', event);
    updateWindow = new BrowserWindow({
        width: 640,
        height: 360,
    });
    updateWindow.loadURL(`file://${__dirname}/update.html`);
    updateWindow.webContents.on('new-window', function (e, url) {
        e.preventDefault();
        shell.openExternal(url);
    });
    updateWindow.on('closed', function () {
        updateWindow = null;
    });
    ipcMain.on('update', (event, arg) => {
        autoUpdater.quitAndInstall();
    });
});

// Aria2c
function createAria2c() {
    let aria2c_path;
    switch (process.platform) {
        case 'win32':
            if (process.env['NODE_ENV'] === 'production') {
                aria2c_path = path.join(process.resourcesPath, 'bin', 'aria2c.exe');
            } else {
                aria2c_path = path.join('bin', 'aria2c.exe');
            }
            break;
        case 'darwin':
            if (process.env['NODE_ENV'] === 'production') {
                aria2c_path = path.join(process.resourcesPath, 'bin', 'aria2c');
            } else {
                aria2c_path = path.join('bin', 'aria2c');
            }
            break;
        case 'linux':
            aria2c_path = '/usr/bin/aria2c';
            break;
        default:
            throw 'unsupported platform';
    }
    aria2c = child_process.spawn(aria2c_path, [
        '--enable-rpc',
        '--rpc-allow-origin-all',
        '--rpc-listen-port=6800',
        '--continue',
        '--split=10',
        '--min-split-size=1M',
        '--max-connection-per-server=10',
        '--remove-control-file',
        '--allow-overwrite'
    ], { stdio: 'ignore' });
}

// 主窗口
function createWindow() {
    // Create the browser window.
    mainWindow = new BrowserWindow({
        width: 1024,
        height: 640,
        minWidth: 1024,
        minHeight: 640,
        frame: process.platform === 'darwin',
        webPreferences: { nodeIntegration: true, contextIsolation: false, enableRemoteModule: true, webviewTag: true },
        // transparent: process.platform != 'darwin',
        titleBarStyle: process.platform === 'darwin' ? 'hidden' : undefined
    });

    // and load the index.html of the app.
    mainWindow.loadURL(`file://${__dirname}/index.html`);

    mainWindow.webContents.on('new-window', function (e, url) {
        e.preventDefault();
        shell.openExternal(url);
    });

    // Open the DevTools.
    if (process.env['NODE_ENV'] === 'development') {
        mainWindow.webContents.openDevTools();
    }

    // Emitted when the window is closed.
    mainWindow.on('closed', function () {
        // Dereference the window object, usually you would store windows
        // in an array if your app supports multi windows, this is the time
        // when you should delete the corresponding element.
        mainWindow = null;
    });
}

let tray;
function createTray() {
    tray = new Tray(path.join(__dirname, 'images', 'icon.ico'));
    tray.on('click', (event) => {
        console.log(event);
        if (event.metaKey) {
            mainWindow.webContents.openDevTools();
        } else {
            mainWindow.isVisible() ? mainWindow.hide() : mainWindow.show();
        }
    });
    const contextMenu = Menu.buildFromTemplate([
        // {label: '游戏', type: 'normal', click: (menuItem, browserWindow, event)=>{}},
        // {label: '社区', type: 'normal', click: (menuItem, browserWindow, event)=>{}},
        // {label: '切换账号', type: 'normal', click: (menuItem, browserWindow, event)=>{}},
        {
            label: '显示主界面', type: 'normal', click: () => {
            mainWindow.isVisible() ? mainWindow.hide() : mainWindow.show();
        }
        },
        {
            label: '退出', type: 'normal', click: app.quit
        }
    ]);
    tray.setToolTip('MyCard');
    tray.setContextMenu(contextMenu);
}

// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
// Some APIs can only be used after this event occurs.
app.on('ready', async () => {
    createWindow();
    if (process.platform === 'win32') {
        createTray();
    }
    createAria2c();
    aria2c.on('error', (err) => {
        new Notification({ title: 'MyCard', body: '启动aria2失败，可能是被杀毒软件误删。游戏下载和更新功能将不可用。' }).show();
        console.error(err);
        aria2c = null;
    });
    if (process.env['NODE_ENV'] === 'production') {
        /*let updateTempPath = '~/.cache/mycard-updater'
        if (process.platform === 'win32') {
            updateTempPath = `${process.env.LOCALAPPDATA}\\mycard-updater`
        } else if (process.platform === 'darwin') {
            updateTempPath = '~/Library/Application Support/Caches/mycard-updater'
        }
        try {
            await require('fs').promises.mkdir(updateTempPath, {recursive: true});
        } catch(e) {}*/
        await autoUpdater.checkForUpdates();
    }
});

// Quit when all windows are closed.
app.on('window-all-closed', function () {
    // On OS X it is common for applications and their menu bar
    // to stay active until the user quits explicitly with Cmd + Q
    if (process.platform !== 'darwin') {
        app.quit();
    }
});

app.on('activate', function () {
    // On OS X 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 (mainWindow === null) {
        createWindow();
    }
});

// In this file you can include the rest of your app's specific main process
// code. You can also put them in separate files and require them here.

app.on('quit', () => {
    // windows 在非 detach 模式下会自动退出子进程
    if (process.platform !== 'win32' && aria2c) {
        aria2c.kill();
    }
});
