Auto cvnl.app

	// I'm not a chatvn.me member but like the way they do
	function uuidv4() {
	return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
	var r = Math.random() * 16 \| 0, v = c == 'x' ? r : (r & 0x3 \| 0x8);
	return v.toString(16);
	});
	}

	// Start
	let imported = document.createElement('script')
	imported.src = 'https://cdnjs.cloudflare.com/ajax/libs/socket.io/1.7.4/socket.io.min.js'
	document.head.appendChild(imported)

	const sendType = {
	new_chat: "c1",
	chat_message: "c2",
	online_user: "c3",
	typing: "c4",
	close_chat: "c5",
	like_conversation: "c6",
	block: "c7",
	report: "c8",
	init: "c9",
	forceClose: "c10"
	}

	const messages = ["Chào bạn, qua http://chatvn.me chat với mình nhé"]

	let socket = null
	setTimeout(_ => {
	socket = io("https://gth-talk-stranger.herokuapp.com", {
	forceNew: false,
	path: "/socket.io",
	port: "443",
	query: "token=" + localStorage.token,
	secure: true,
	})

	socket.on('connect', _ => {
	console.log('Started')
	newChat()
	setTimeout(_ => {
	setupRules()
	}, 500)
	})
	}, 1000)

	let lastMessage = {
	content: null,
	time: 0
	}

	let lastGreetingTime = 0
	let stopEndchat = false

	let lastGreetingFuncId = 0

	function setupRules() {
	socket.on(sendType.chat_message, data => {
	lastMessage = {
	content: data.content,
	time: Date.now()
	}
	})
	socket.on(sendType.typing, _ => {
	lastMessage = {
	content: 'User typing',
	time: Date.now()
	}
	})
	socket.on(sendType.new_chat, data => {
	if (data.gender == 'female') { // select gender to chat with
	stopEndchat = true
	clearTimeout(lastGreetingFuncId)
	setTimeout(_ => {
	lastGreetingTime = Date.now()
	sendMessage(getRandomGreeting())
	lastGreetingFuncId = setTimeout(checkGreetingReply, 10000)
	stopEndchat = false
	}, 1500)
	} else {
	setTimeout(closeChat, 500)
	}
	})
	socket.on(sendType.close_chat, _ => { newChat() })
	}

	function checkGreetingReply() {
	if (lastGreetingTime - lastMessage.time > 10000) {
	closeChat()
	}
	}

	function sendMessage(message) {
	socket.emit('message', {
	type: sendType.chat_message,
	data: {
	content: message,
	uuid: uuidv4()
	}
	})
	}

	function closeChat() {
	if (stopEndchat) {
	return
	}
	socket.emit('message', {
	type: sendType.close_chat
	})
	setTimeout(_ => {
	newChat()
	}, 1000)
	}

	function newChat() {
	socket.emit('message', {
	type: sendType.new_chat
	})
	}

	function getRandomGreeting() {
	return messages[Math.floor(Math.random() * messages.length)]
	}