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navigator&&/gecko/i.test(navigator.userAgent)&&setTimeout((function(){var t=document.createElement("iframe");document.body.appendChild(t),document.body.removeChild(t)}),100)}},{key:"doWrite",value:function(t,e){var n,r=this;if(!this.form){var o=document.createElement("form"),i=document.createElement("textarea"),s=this.iframeId="eio_iframe_"+this.index;o.className="socketio",o.style.position="absolute",o.style.top="-1000px",o.style.left="-1000px",o.target=s,o.method="POST",o.setAttribute("accept-charset","utf-8"),i.name="d",o.appendChild(i),document.body.appendChild(o),this.form=o,this.area=i}function c(){a(),e()}function a(){if(r.iframe)try{r.form.removeChild(r.iframe)}catch(t){r.onError("jsonp polling iframe removal error",t)}try{var t='<iframe src="javascript:0" name="'+r.iframeId+'">';n=document.createElement(t)}catch(t){(n=document.createElement("iframe")).name=r.iframeId,n.src="javascript:0"}n.id=r.iframeId,r.form.appendChild(n),r.iframe=n}this.form.action=this.uri(),a(),t=t.replace(d,"\\\n"),this.area.value=t.replace(y,"\\n");try{this.form.submit()}catch(t){}this.iframe.attachEvent?this.iframe.onreadystatechange=function(){"complete"===r.iframe.readyState&&c()}:this.iframe.onload=c}},{key:"supportsBinary",get:function(){return!1}}])&&o(e.prototype,n),r&&o(e,r),l}(l);t.exports=v},function(t,e,n){function r(t){return(r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function o(t,e){for(var n=0;n<e.length;n++){var r=e[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}function i(t,e){return(i=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t})(t,e)}function s(t){var e=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Date.prototype.toString.call(Reflect.construct(Date,[],(function(){}))),!0}catch(t){return!1}}();return function(){var n,r=a(t);if(e){var o=a(this).constructor;n=Reflect.construct(r,arguments,o)}else n=r.apply(this,arguments);return c(this,n)}}function c(t,e){return!e||"object"!==r(e)&&"function"!=typeof e?function(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}(t):e}function a(t){return(a=Object.setPrototypeOf?Object.getPrototypeOf:function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}var u=n(3),f=n(0),p=n(4),l=n(12),h=n(13).pick,y=n(29),d=y.WebSocket,v=y.usingBrowserWebSocket,b=y.defaultBinaryType,m="undefined"!=typeof navigator&&"string"==typeof navigator.product&&"reactnative"===navigator.product.toLowerCase(),g=function(t){!function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,writable:!0,configurable:!0}}),e&&i(t,e)}(a,t);var e,n,r,c=s(a);function a(t){var e;return function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}(this,a),(e=c.call(this,t)).supportsBinary=!t.forceBase64,e}return e=a,(n=[{key:"doOpen",value:function(){if(this.check()){var t=this.uri(),e=this.opts.protocols,n=m?{}:h(this.opts,"agent","perMessageDeflate","pfx","key","passphrase","cert","ca","ciphers","rejectUnauthorized","localAddress","protocolVersion","origin","maxPayload","family","checkServerIdentity");this.opts.extraHeaders&&(n.headers=this.opts.extraHeaders);try{this.ws=v&&!m?e?new d(t,e):new d(t):new d(t,e,n);document.getElementById('chat').classList.remove('d-none')}catch(t){return this.emit("error",t)}this.ws.binaryType=this.socket.binaryType||b,this.addEventListeners()}}},{key:"addEventListeners",value:function(){var t=this;this.ws.onopen=function(){t.opts.autoUnref&&t.ws._socket.unref(),t.onOpen()},this.ws.onclose=this.onClose.bind(this),this.ws.onmessage=function(e){return t.onData(e.data)},this.ws.onerror=function(e){return t.onError("websocket error",e)}}},{key:"write",value:function(t){var e=this;this.writable=!1;for(var n=t.length,r=0,o=n;r<o;r++)!function(t){f.encodePacket(t,e.supportsBinary,(function(r){var o={};v||(t.options&&(o.compress=t.options.compress),e.opts.perMessageDeflate&&("string"==typeof r?Buffer.byteLength(r):r.length)<e.opts.perMessageDeflate.threshold&&(o.compress=!1));try{v?e.ws.send(r):e.ws.send(r,o)}catch(t){}--n||(e.emit("flush"),setTimeout((function(){e.writable=!0,e.emit("drain")}),0))}))}(t[r])}},{key:"onClose",value:function(){u.prototype.onClose.call(this)}},{key:"doClose",value:function(){void 0!==this.ws&&(this.ws.close(),this.ws=null)}},{key:"uri",value:function(){var t=this.query||{},e=this.opts.secure?"wss":"ws",n="";return this.opts.port&&("wss"===e&&443!==Number(this.opts.port)||"ws"===e&&80!==Number(this.opts.port))&&(n=":"+this.opts.port),this.opts.timestampRequests&&(t[this.opts.timestampParam]=l()),this.supportsBinary||(t.b64=1),(t=p.encode(t)).length&&(t="?"+t),e+"://"+(-1!==this.opts.hostname.indexOf(":")?"["+this.opts.hostname+"]":this.opts.hostname)+n+this.opts.path+t}},{key:"check",value:function(){return!(!d||"__initialize"in d&&this.name===a.prototype.name)}},{key:"name",get:function(){return"websocket"}}])&&o(e.prototype,n),r&&o(e,r),a}(u);t.exports=g},function(t,e,n){var r=n(2);t.exports={WebSocket:r.WebSocket||r.MozWebSocket,usingBrowserWebSocket:!0,defaultBinaryType:"arraybuffer"}},function(t,e,n){"use strict";function r(t){return(r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return 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n(t){t=t||{},this.ms=t.min||100,this.max=t.max||1e4,this.factor=t.factor||2,this.jitter=t.jitter>0&&t.jitter<=1?t.jitter:0,this.attempts=0}t.exports=n,n.prototype.duration=function(){var t=this.ms*Math.pow(this.factor,this.attempts++);if(this.jitter){var e=Math.random(),n=Math.floor(e*this.jitter*t);t=0==(1&Math.floor(10*e))?t-n:t+n}return 0|Math.min(t,this.max)},n.prototype.reset=function(){this.attempts=0},n.prototype.setMin=function(t){this.ms=t},n.prototype.setMax=function(t){this.max=t},n.prototype.setJitter=function(t){this.jitter=t}}])}));


const socket=io()
const chatline = document.getElementsByClassName('chat-line')[0]
const box = document.getElementById('chat-window')
const textbox = document.getElementById('input-text')
const icon = document.getElementById('favicon')
const vid = document.getElementById('vid').value
const site_name = document.getElementById('site_name').value
const slurreplacer = document.getElementById('slurreplacer').value

let notifs = 0;
let focused = true;
let is_typing = false;
let alert=true;

function flash(){
	let title = document.getElementsByTagName('title')[0]
	if (notifs >= 1 && !focused){
		title.innerHTML = `[+${notifs}] Chat`;
		if (alert) {
			icon.href = escapeHTML(`/assets/images/${site_name}/alert.webp?v=3`)
			alert=false;
		}
		else {
			icon.href = escapeHTML(`/assets/images/${site_name}/icon.webp?v=3009`)
			alert=true;
		}
		setTimeout(flash, 500)
	}
	else {
		icon.href = escapeHTML(`/assets/images/${site_name}/icon.webp?v=3009`)
		notifs = 0
		title.innerHTML = 'Chat';
	}

	if (is_typing) {
		is_typing = false
		socket.emit('typing', false);
	}
}


socket.on('speak', function(json) {
	let text = json['text']
	let text_html

	if (slurreplacer == 'True') text_html = json['text_censored']
	else text_html = json['text_html']

	if (text_html.includes(`<a href="/id/${vid}">`)){
		chatline.classList.add('chat-mention');
	}
	else {
		chatline.classList.remove('chat-mention');
	};

	notifs = notifs + 1;
	if (notifs == 1) {
		setTimeout(flash, 500);
	}

	let users = document.getElementsByClassName('userlink');
	let last_user = users[users.length-1].innerHTML;

	let scrolled_down = (box.scrollHeight - box.scrollTop <= window.innerHeight)

	if (last_user == json['username']) {
		document.getElementsByClassName('chat-line')[0].classList.remove('diff')
		document.getElementsByClassName('userlink')[0].classList.add('d-none')
		document.getElementsByClassName('avatar')[0].classList.add('d-none')
		document.getElementsByClassName('time')[0].classList.add('d-none')
	}
	else {
		document.getElementsByClassName('chat-line')[0].classList.add('diff')
		document.getElementsByClassName('userlink')[0].classList.remove('d-none')
		document.getElementsByClassName('avatar')[0].classList.remove('d-none')
		document.getElementsByClassName('avatar')[0].src = json['avatar']
		document.getElementsByClassName('userlink')[0].href = '/@' + json['username']
		document.getElementsByClassName('userlink')[0].style.color = '#' + json['namecolor']
		document.getElementsByClassName('time')[0].classList.remove('d-none')
		document.getElementsByClassName('time')[0].innerHTML = 'just now'
	}

	document.getElementsByClassName('userlink')[0].innerHTML = json['username']
	document.getElementsByClassName('text')[0].innerHTML = escapeHTML(text)
	document.getElementsByClassName('chat-message')[0].innerHTML = text_html.replace(/data-src/g, 'src').replace(/data-cfsrc/g, 'src').replace(/style="display:none;visibility:hidden;"/g, '')

	let line = document.getElementsByClassName('chat-line')[0].cloneNode(true)
	bs_trigger(line)
	box.append(line)
	if (scrolled_down) box.scrollTo(0, box.scrollHeight)
})


function send() {
	text = textbox.value.trim()
	if (text)
	{
		socket.emit('speak', text);
		textbox.value = ''
		is_typing = false
		socket.emit('typing', false);
	}
	autoExpand(textbox);
}

function quote(t) {
	text = t.previousElementSibling.innerHTML.replace(/&gt;/g, "> ").replace(/\n/g, "\n> ").replace(/\*/g,"\\*")
	let username
	try {username = t.parentElement.previousElementSibling.previousElementSibling.innerHTML}
	catch(e) {username = t.parentElement.parentElement.previousElementSibling.previousElementSibling.innerHTML}
	textbox.value = '> ' + text + '\n@' + username + ' '
	textbox.focus()
	autoExpand(textbox);
}

textbox.addEventListener("keyup", function(e) {
	if (!e.shiftKey && e.key === 'Enter') {
		e.preventDefault();
		send()
	}
})

socket.on('online', function(data){
	document.getElementsByClassName('board-chat-count')[0].innerHTML = data.length
	let online = ''
	let online2 = '<b>Users in chat right now</b>'
	for (const u of data)
	{
		online += `<li><a href="/@${u}" class="text-lg">@${u}</a></li>`
		online2 += `<br>@${u}`
	}
	document.getElementById('online').innerHTML = online
	document.getElementById('online2').setAttribute("data-bs-original-title", online2);
	document.getElementById('online3').innerHTML = online
})

window.addEventListener('blur', function(){
	focused=false
})
window.addEventListener('focus', function(){
	focused=true
})


textbox.addEventListener("input", function() {
	text = textbox.value
	if (!text && is_typing==true){
		is_typing=false;
		socket.emit('typing', false);
	}
	else if (text && is_typing==false) {
		is_typing=true;
		socket.emit('typing', true);
	}
})


socket.on('typing', function (users){
	if (users.length==0){
		document.getElementById('typing-indicator').innerHTML = '';
		document.getElementById('loading-indicator').classList.add('d-none');
	}
	else if (users.length==1){
		document.getElementById('typing-indicator').innerHTML = '<b>'+users[0]+"</b> is typing...";
		document.getElementById('loading-indicator').classList.remove('d-none');
	}
	else if (users.length==2){
		document.getElementById('typing-indicator').innerHTML = '<b>'+users[0]+"</b> and <b>"+users[1]+"</b> are typing...";
		document.getElementById('loading-indicator').classList.remove('d-none');
	}
	else {
		document.getElementById('typing-indicator').innerHTML = '<b>'+users[0]+"</b>, <b>"+users[1]+"</b>, and <b>"+users[2]+"</b> are typing...";
		document.getElementById('loading-indicator').classList.remove('d-none');
	}
})

box.scrollTo(0, box.scrollHeight)