var dirname = __dirname
var dir = 'file://' + __dirname
var base = dir + '/view/'
// Electronのモジュール
const electron = require('electron')
// アプリケーションをコントロールするモジュール
const app = electron.app
// Electronの初期化完了後に実行
app.on('ready', createWindow)
const fs = require('fs')
const language = require('./main/language.js')
const css = require('./main/css.js')
const dl = require('./main/dl.js')
const img = require('./main/img.js')
const np = require('./main/np.js')
const systemFunc = require('./main/system.js')
const { Menu, MenuItem, BrowserWindow, ipcMain } = electron
const join = require('path').join
// ウィンドウを作成するモジュール
// メインウィンドウはGCされないようにグローバル宣言
let mainWindow
let opening = true

// アプリが多重起動しないようにする
const gotTheLock = app.requestSingleInstanceLock()

if (!gotTheLock) {
	app.quit()
} else {
	app.on('second-instance', (event, commandLine, workingDirector) => {
		opening = false
		const m = commandLine[2].match(/([a-zA-Z0-9]+)\/?\?[a-zA-Z-0-9]+=(.+)/)
		if (m) {
			mainWindow.send('customUrl', [m[1], m[2]])
		}
	})
}

// 全てのウィンドウが閉じたら終了
app.on('window-all-closed', function () {
	electron.session.defaultSession.clearCache(() => { })
	app.quit()
})
app.on('open-url', function (event, url) {
	event.preventDefault()
	const m = url.match(/([a-zA-Z0-9]+)\/?\?[a-zA-Z-0-9]+=(.+)/)
	if (m) {
		mainWindow.send('customUrl', [m[1], m[2]])
	}
})
function isFile(file) {
	try {
		fs.statSync(file)
		return true
	} catch (err) {
		if (err.code === 'ENOENT') return false
	}
}
function createWindow() {
	var lang_path = join(app.getPath('userData'), 'language')
	console.log(lang_path)
	if (isFile(lang_path)) {
		var lang = fs.readFileSync(lang_path, 'utf8')
	} else {
		var langs = app.getLocale()
		console.log(langs)
		if (~langs.indexOf('ja')) {
			lang = 'ja'
		} else if (~langs.indexOf('de')) {
			lang = 'de'
		} else if (~langs.indexOf('cs')) {
			lang = 'cs'
		} else if (~langs.indexOf('bg')) {
			lang = 'bg'
		} else {
			lang = 'en'
		}
		fs.mkdir(app.getPath('userData'), function (err) {
			fs.writeFileSync(lang_path, lang)
		})
	}
	if (!packaged) console.log('your lang:' + app.getLocale())
	if (!packaged) console.log('launch:' + lang)
	//Opening
	const package = fs.readFileSync(__dirname + '/package.json')
	if (lang == 'ja') {
		const maxims = JSON.parse(fs.readFileSync(__dirname + '/maxim.ja.json'))
		var show = maxims[Math.floor(Math.random() * maxims.length)]
	} else if (lang == 'ja-KS') {
		//ja-KSも作れたらいいね
		const maxims = JSON.parse(fs.readFileSync(__dirname + '/maxim.ja.json'))
		var show = maxims[Math.floor(Math.random() * maxims.length)]
	} else {
		var show = 'TheDesk 2018'
	}
	const data = JSON.parse(package)
	const version = data.version
	const codename = data.codename
	const openingWindow = new BrowserWindow({
		width: 300,
		height: 400,
		transparent: false,
		frame: false,
		resizable: false,
		show: opening
	})
	openingWindow.loadURL(`${__dirname}/opening.html?ver=${version}&codename=${codename}&maxim=${encodeURI(show)}`)

	if (process.argv.indexOf('--dev') === -1) {
		var packaged = true
	} else {
		var packaged = false
		console.log(
			'||\\\\\\ \n' +
			'||||  \\\\\\\\ \n' +
			'||||     \\\\\\\\ \n' +
			'|||| Am I a \\\\\\\\ \n' +
			'|||| cat? ^ ^   \\\\\\\\\\       _____ _          ____            _    \n' +
			'||||     (.-.)   \\\\\\\\\\      |_   _| |__   ___|  _ \\  ___  ___| | __\n' +
			"||||  ___>   )    |||||       | | | '_ \\ / _ \\ | | |/ _ \\/ __| |/ /\n" +
			'|||| <   _  _)   //////       | | | | | |  __/ |_| |  __/__ \\   < \n' +
			'||||  |_||_|   /////          |_| |_| |_|\\___|____/ \\___||___/_|\\_\\ \n' +
			'||||          /////         \n' +
			'||||       /////\n' +
			'||||     /////\n' +
			'||||//////'
		)
		console.log('If it does not show the window, you might forget `npm run construct`.')
	}

	var info_path = join(app.getPath('userData'), 'window-size.json')
	var max_info_path = join(app.getPath('userData'), 'max-window-size.json')
	var ha_path = join(app.getPath('userData'), 'hardwareAcceleration')
	var wv_path = join(app.getPath('userData'), 'webview')
	var ua_path = join(app.getPath('userData'), 'useragent')
	try {
		fs.readFileSync(ha_path, 'utf8')
		app.disableHardwareAcceleration()
		if (!packaged) console.log('disabled: Hardware Acceleration')
	} catch {
		if (!packaged) console.log('enabled: Hardware Acceleration')
	}
	let webviewEnabled = false
	if (fs.existsSync(wv_path, 'utf8')) webviewEnabled = true
	var window_size
	try {
		window_size = JSON.parse(fs.readFileSync(info_path, 'utf8'))
	} catch (e) {
		window_size = {
			width: 1000,
			height: 750,
		} // デフォルトバリュー
	}
	var max_window_size
	try {
		max_window_size = JSON.parse(fs.readFileSync(max_info_path, 'utf8'))
	} catch (e) {
		max_window_size = {
			width: 'string',
			height: 'string',
			x: 'string',
			y: 'string',
		} // デフォルトバリュー
	}
	// メイン画面の表示。ウィンドウの幅、高さを指定できる
	var platform = process.platform
	var bit = process.arch
	var arg = {
		webPreferences: {
			webviewTag: webviewEnabled,
			nodeIntegration: false,
			contextIsolation: true,
			spellcheck: false,
			sandbox: false,
			preload: join(__dirname, 'js', 'platform', 'preload.js'),
		},
		width: window_size.width,
		height: window_size.height,
		x: window_size.x,
		y: window_size.y,
		show: false,
	}
	if (platform == 'linux') {
		arg.resizable = true
		arg.icon = __dirname + '/desk.png'
	} else if (platform == 'win32') {
		arg.simpleFullscreen = true
	} else if (platform == 'darwin') {
		arg.simpleFullscreen = true
	}
	mainWindow = new BrowserWindow(arg)
	mainWindow.once('page-title-updated', () => {
		openingWindow.close()
		mainWindow.show()
		console.log('Accessibility: ' + app.accessibilitySupportEnabled)
		if (window_size.max) {
			mainWindow.maximize()
		}
	})
	mainWindow.webContents.on('page-title-updated', () => {
		const url = mainWindow.webContents.getURL()
		if (url.match(/https:\/\/crowdin.com\/profile/)) {
			app.relaunch()
			app.exit()
		}
	})
	if (!packaged) mainWindow.toggleDevTools()
	electron.session.defaultSession.clearCache(() => { })
	if (process.argv) {
		if (process.argv[1]) {
			var m = process.argv[1].match(/([a-zA-Z0-9]+)\/\?[a-zA-Z-0-9]+=(.+)/)
			if (m) {
				var mode = m[1]
				var code = m[2]
				var plus = '?mode=' + mode + '&code=' + code
			} else {
				var plus = ''
			}
		} else {
			var plus = ''
		}
	} else {
		var plus = ''
	}
	var ua
	try {
		ua = fs.readFileSync(ua_path, 'utf8')
	} catch (e) {
		//default UA Example:
		// Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) thedesk/18.11.3 Chrome/76.0.3809.146 Electron/6.0.12 Safari/537.36
		const crypto = require('crypto')
		const N = 100
		var ua = 'Mastodon client: ' + crypto.randomBytes(N).toString('base64').substring(0, N)
	}
	mainWindow.loadURL(base + lang + '/index.html' + plus, { userAgent: ua })
	if (!window_size.x && !window_size.y) {
		mainWindow.center()
	}
	// ウィンドウが閉じられたらアプリも終了
	mainWindow.on('closed', function () {
		ipcMain.removeAllListeners()
		mainWindow = null
	})
	closeArg = false
	mainWindow.on('close', function (e, arg) {
		writePos(mainWindow)
		if (!closeArg) {
			e.preventDefault()
		}
		const promise = new Promise(function (resolve) {
			mainWindow.send('asReadEnd', '')
			let wait = 3000
			const url = mainWindow.webContents.getURL()
			if (!url.match(/index.html/)) wait = 0
			setTimeout(function () {
				resolve()
			}, wait)
		})
		promise.then(function (response) {
			closeArg = true
			mainWindow.close()
		})
	})
	ipcMain.on('sendMarkersComplete', function (e, arg) {
		closeArg = true
		mainWindow.close()
	})
	function writePos(mainWindow) {
		if (
			max_window_size.width == mainWindow.getBounds().width &&
			max_window_size.height == mainWindow.getBounds().height &&
			max_window_size.x == mainWindow.getBounds().x &&
			max_window_size.y == mainWindow.getBounds().y
		) {
			var size = {
				width: mainWindow.getBounds().width,
				height: mainWindow.getBounds().height,
				x: mainWindow.getBounds().x,
				y: mainWindow.getBounds().y,
				max: true,
			}
		} else {
			var size = {
				width: mainWindow.getBounds().width,
				height: mainWindow.getBounds().height,
				x: mainWindow.getBounds().x,
				y: mainWindow.getBounds().y,
			}
		}
		fs.writeFileSync(info_path, JSON.stringify(size))
	}
	mainWindow.on('maximize', function () {
		writePos(mainWindow)
		fs.writeFileSync(max_info_path, JSON.stringify(mainWindow.getBounds()))
	})
	mainWindow.on('minimize', function () {
		writePos(mainWindow)
		mainWindow.send('asRead', '')
	})

	var platform = process.platform
	var bit = process.arch
	Menu.setApplicationMenu(Menu.buildFromTemplate(language.template(lang, mainWindow, packaged, dir, dirname)))
	//CSS
	css.css(mainWindow)
	//アップデータとダウンロード
	dl.dl(mainWindow, lang_path, base, dirname)
	//画像選択と画像処理
	img.img(mainWindow, dir)
	//NowPlaying
	np.TheDeskNowPlaying(mainWindow)
	//その他system
	systemFunc.system(mainWindow, dir, lang, dirname)
	setInterval(function () {
		mouseTrack(mainWindow)
	}, 1000)
}
var x = 0
var y = 0
var unchanged = 0
var locked = false
function mouseTrack(mainWindow) {
	let mousePos = electron.screen.getCursorScreenPoint()
	let xNow = mousePos.x
	let yNow = mousePos.x
	if (x != xNow || y != yNow) {
		unchanged = 0
		locked = false
	} else {
		unchanged++
		if (unchanged > 60 && !locked) {
			unchanged = 0
			locked = true
			mainWindow.send('asRead', '')
		}
	}
	x = xNow
	y = yNow
}

app.setAsDefaultProtocolClient('thedesk')