'use strict'
import { app, BrowserWindow, ipcMain } from 'electron';
import * as path from 'path';
import { format as formatUrl } from 'url';
import { exec } from 'child_process';
app.allowRendererProcessReuse = false;

const isDevelopment = process.env.NODE_ENV !== 'production';
const platform = process.platform;

let mainWindow = null, subWindow1 = null, serWindow1;
let random = null;
const version = app.getVersion();
let win1 = null, win2 = null, about = null, esptools = null;
let tmp = null, appIcon = null, menu = null, trayImg = null;


// ------------ Keep only one instance of the app running ------------ //
// const singleLock = app.requestSingleInstanceLock();
// !singleLock ? app.quit() : '';

const gotTheLock = app.requestSingleInstanceLock()

if (!gotTheLock) {
	app.quit()
} else {
	app.on('second-instance', (event, commandLine, workingDirectory) => {
		if (mainWindow) {
			if (mainWindow.isMinimized()) mainWindow.restore()
			mainWindow.focus()
		}
	})

	// Create myWindow, load the rest of the app, etc...
	app.whenReady().then(() => {

	})
}

// ------------ run auto launch & add ca cert in MacOS ------------ //
if (platform === 'darwin') {
	app.dock.hide();

	const sudo = require('sudo-prompt');
	const AutoLaunch = require('auto-launch');
	const opts = {
		name: "CocoRoboVDeskTop",
		isHidden: false,
		mac: { useLaunchAgent: true }
	};

	autoLaunch(opts);
	exec(`"${path.join(__dirname, '..', 'verifyCert.bash')}"`, (err, stdout) => {
		if (!err && stdout.indexOf('No') > -1)
			sudo.exec(
				`security add-trusted-cert -d -r trustRoot -k "/Library/Keychains/System.keychain" "${path.join(__dirname, '..', 'ca.crt')}"`,
				{ name: 'CocoRobo X Uploader' },
				err => console.log(err)
			);
		else if (err)
			console.error(err);
	});

	/**
	 * Auto launch when computer boot.
	 * @opts {object} Auto lanuch's options
	 * @returns {void} void
	 */
	function autoLaunch(opts) {
		const autoLaunch = new AutoLaunch(opts);
		autoLaunch
			.isEnabled()
			.then(enabled => enabled ? '' : autoLaunch.enable())
			.catch(err => console.error(err));
		return;
	}
}



/**
 * Reboot the app.
 * @returns {void} void
 */
function reboot() {
	app.relaunch();
	app.exit();
	return;
}

/**
 * Get windows id & return a list.
 * @param {string} data Incoming message
 * @returns {Array<number>} An id list
 */
function getWindowsId(data) {
	const result = [];
	if (data === "already") {
		const windows = BrowserWindow.getAllWindows();
		for (let i = windows.length - 1; i >= 0; i--)
			result.push(windows[i].id);
		platform === 'darwin' ? result.reverse() : '';
	}
	return result;
}


// ------------ IpcMain eventlisteners ------------ //
ipcMain.on('tmp', (e, path) => tmp = path);
ipcMain.on('version', (e, data) => e.returnValue = data === "already" ? version : '');
ipcMain.on('relaunch', reboot);
ipcMain.on('windowsid', (e, data) => e.returnValue = getWindowsId(data));

ipcMain.on('download', (event, url, filePath) => {
	const request = require('request')
	const progress = require('request-progress')

	progress(request(url))
		.on('progress', (state) => {
			event.sender.send('download-progress', state.percent)
		})
		.on('error', (err) => {
			event.sender.send('download-error', err)
		})
		.pipe(fs.createWriteStream(filePath))
		.on('finish', () => {
			event.sender.send('download-finished')
		})
})

// ------------ When app is ready ------------ //
app.on('ready', () => {
	//createSubWindow1();
	//createSubWindow2();
	mainWindow = createMainWindow();
});

// when user acitvate the app, it's useful in mac only
app.on('activate', () => {
	// on macOS it is common to re-create a window even after all windows have been closed
	mainWindow === null ? mainWindow = createMainWindow() : null;
});

function createMainWindow() {
	let window = new BrowserWindow({ autoHideMenuBar: true, show: false, webPreferences: { nodeIntegration: true }, width: 1280, height: 920, minWidth: 601, minHeight: 670 });

	let grantedDeviceThroughPermHandler;

	window.webContents.session.on('select-usb-device', (event, details, callback) => {
		//Add events to handle devices being added or removed before the callback on
		//`select-usb-device` is called.
		window.webContents.session.on('usb-device-added', (event, device) => {
			console.log('usb-device-added FIRED WITH', device)
			//Optionally update details.deviceList
		})

		window.webContents.session.on('usb-device-removed', (event, device) => {
			console.log('usb-device-removed FIRED WITH', device)
			//Optionally update details.deviceList
		})

		event.preventDefault()
		if (details.deviceList && details.deviceList.length > 0) {
			const deviceToReturn = details.deviceList.find((device) => {
				// if (!grantedDeviceThroughPermHandler || (device.deviceId != grantedDeviceThroughPermHandler.deviceId)) {
				// 	return true
				// }
				return true;
			})
			try {
				if (callback) {
					if (deviceToReturn) {
						callback(deviceToReturn.deviceId)
					} else {
						callback()
					}
				}
			}
			catch (e) {
				console.log(e)
			}
			return deviceToReturn;
		}
	})

	window.webContents.session.setPermissionCheckHandler((webContents, permission, requestingOrigin, details) => {
		if (permission === 'usb' && details.securityOrigin === 'file:///') {
			return true
		}
	})


	window.webContents.session.setDevicePermissionHandler((details) => {
		if (details.deviceType === 'usb' && details.origin === 'file://') {
			return true;
			// if (!grantedDeviceThroughPermHandler) {
			// 	grantedDeviceThroughPermHandler = details.device
			// 	return true
			// } else {
			// 	return false
			// }
		}
	})

	if (isDevelopment) {
		window.loadURL(`http://localhost:${process.env.ELECTRON_WEBPACK_WDS_PORT}`);
	} else {
		window.loadURL(formatUrl({
			pathname: path.join(__dirname, 'cocoblockly-x/index.html'),
			protocol: 'file',
			slashes: true,
			search: "lang=zh-hans",
		}));
	}
	window.once('ready-to-show', () => window.show());

	window.on('closed', () => { app.quit() });

	// window.webContents.on('devtools-opened', () => window.focus());
	// window.webContents.openDevTools({ mode: 'undocked' });
	return window;
}

function createSubWindow1() {
	let window = new BrowserWindow({ autoHideMenuBar: true, webPreferences: { nodeIntegration: true }, width: 0, height: 0, show: false });
	// window.webContents.openDevTools({ mode: "undocked" });
	if (isDevelopment) {
		window.loadURL(`http://localhost:${process.env.ELECTRON_WEBPACK_WDS_PORT}/index.html`);
	}
	else {
		window.loadURL(formatUrl({
			pathname: path.join(__dirname, 'index.html'),
			protocol: 'file',
			slashes: true
		}));
	}
	window.on('closed', () => window = null);
	// window.webContents.on('devtools-opened', () => setImmediate(() => window.focus()));
	// window.webContents.openDevTools({ mode: 'undocked' });
	return window;
}


function createSubWindow2() {
	let window = new BrowserWindow({ autoHideMenuBar: true, webPreferences: { nodeIntegration: true }, width: 100, height: 100, show: true });
	// window.webContents.openDevTools({ mode: "undocked" });
	// if (isDevelopment) {
	// 	window.loadURL(`http://localhost:${process.env.ELECTRON_WEBPACK_WDS_PORT}/serialport.html`);
	// } else
	// 	window.loadURL(formatUrl({
	// 		pathname: path.join(__dirname, 'serialport.html'),
	// 		protocol: 'file',
	// 		slashes: true
	// 	}));

	let grantedDeviceThroughPermHandler;

	window.webContents.session.on('select-usb-device', (event, details, callback) => {
		//Add events to handle devices being added or removed before the callback on
		//`select-usb-device` is called.
		window.webContents.session.on('usb-device-added', (event, device) => {
			console.log('usb-device-added FIRED WITH', device)
			//Optionally update details.deviceList
		})

		window.webContents.session.on('usb-device-removed', (event, device) => {
			console.log('usb-device-removed FIRED WITH', device)
			//Optionally update details.deviceList
		})

		event.preventDefault()
		if (details.deviceList && details.deviceList.length > 0) {
			const deviceToReturn = details.deviceList.find((device) => {
				// if (!grantedDeviceThroughPermHandler || (device.deviceId != grantedDeviceThroughPermHandler.deviceId)) {
				// 	return true
				// }
				return true;
			})
			if (deviceToReturn) {
				callback(deviceToReturn.deviceId)
			} else {
				callback()
			}
		}
	})

	window.webContents.session.setPermissionCheckHandler((webContents, permission, requestingOrigin, details) => {
		if (permission === 'usb' && details.securityOrigin === 'file:///') {
			return true
		}
	})


	window.webContents.session.setDevicePermissionHandler((details) => {
		if (details.deviceType === 'usb' && details.origin === 'file://') {
			return true;
			// if (!grantedDeviceThroughPermHandler) {
			// 	grantedDeviceThroughPermHandler = details.device
			// 	return true
			// } else {
			// 	return false
			// }
		}
	})

	if (isDevelopment) {
		window.loadURL(`http://localhost:${process.env.ELECTRON_WEBPACK_WDS_PORT}`);
	} else {
		window.loadURL(formatUrl({
			pathname: path.join(__dirname, 'cocoblockly-x/index.html'),
			protocol: 'file',
			slashes: true,
			search: "lang=zh-hans",
		}));
	}

	window.on('closed', () => window = null);
	window.webContents.on('devtools-opened', () => setImmediate(() => window.focus()));
	window.webContents.openDevTools({ mode: 'undocked' });
	return window;
}

// ------------ When quit the app ------------ //
app.once('quit', () => {
	if (tmp) {
		let cmd = platform === 'win32' ? `rd /s /q "${tmp}"` : `rm -rf "${tmp}"`;
		exec(cmd);
	}
});