window.onload = function() {
	const ws = new ReconnectingWebSocket(((window.location.protocol === "https:") ? "wss://" : "ws://") + window.location.host + "/ws");

	const items = document.querySelector("#items");
	const amb = document.querySelector("#ambiance")
	const submit = document.querySelector("#addplaylist")
	const output = document.querySelector(".container2 p#output")
	const info = document.querySelector("#info")
	const waiting = document.querySelector("#waiting")

	document.querySelector("input#next").addEventListener("click", (e) => {
		ws.send(JSON.stringify({
			"event": "next"
		}))
	})

	document.querySelector("input#prev").addEventListener("click", (e) => {
		ws.send(JSON.stringify({
			"event": "prev"
		}))
	})

	Sortable.create(items, {
		group: "dndmusicbot-playlists",
		filter: ".locked",
		onMove: (e) => {
			if (e.related)
				{
					return !e.related.classList.contains('locked');
				}
		},
		invertSwap: true,
		store: {
			get: function(sortable) {
				var order = localStorage.getItem(sortable.options.group.name);
				return order ? order.split('|') : [];
			},
			set: function(sortable) {
				var order = sortable.toArray();
				localStorage.setItem(sortable.options.group.name, order.join('|'));
			}
		}
	})

	Sortable.create(amb, {
		group: "dndmusicbot-ambiance",
		filter: ".locked",
		onMove: (e) => {
			if (e.related)
				{
					return !e.related.classList.contains('locked');
				}
		},
		invertSwap: true,
		store: {
			get: function(sortable) {
				var order = localStorage.getItem(sortable.options.group.name);
				return order ? order.split('|') : [];
			},
			set: function(sortable) {
				var order = sortable.toArray();
				localStorage.setItem(sortable.options.group.name, order.join('|'));
			}
		}
	})

	ws.onopen = (e) => {
		waiting.style.display = "none";
	}

	ws.onclose = (e) => {
		waiting.style.display = "block";
	}

	ws.onmessage = (e) => {
		data = JSON.parse(e.data)
		switch (data.event) {
			case "ambiance_play":
				document.querySelectorAll("#ambiance > div").forEach((e) => {e.style.removeProperty("background-color")})
				document.querySelector(`#ambiance > div[data-id='${data.payload.type}']`).style.backgroundColor = "burlywood"
				ambiance.style.pointerEvents = 'auto'
				break
			case "ambiance_stop":
				document.querySelectorAll("#ambiance > div").forEach((el) => {
					el.style.removeProperty("background-color")
				})
				break
			case "song_info":
				document.querySelectorAll("#items > div").forEach((el) => {
					el.style.removeProperty("background-color")
				})
				if (data.payload.pause) {
					info.style.display = "none"
				} else {
					info.style.display = "block"
					info.children.link.children.channel.innerText = data.payload.channel
					info.children.link.children.title.innerText = data.payload.current
					info.children.link.href = "https://youtu.be/" + data.payload.song
					info.children.link.target = "_blank"
					info.children.time.innerText = `( ${msToTime(data.payload.position)} / ${msToTime(data.payload.len)} )`
					document.querySelector(`#items > div[data-id='${data.payload.playlist}']`).style.backgroundColor = "burlywood"
				}
				setTimeout(() => {
					items.style.pointerEvents = 'auto'
				}, 1000);
				break
			case "song_position":
				info.children.time.innerText = `( ${msToTime(data.payload.position)} / ${msToTime(data.payload.len)} )`
				info.style.display = "block"
				break
			case "stop":
				setTimeout(() => {
					items.style.pointerEvents = 'auto'
				}, 2000);

				info.style.display = "none"
				break
			case "new_playlist":
				addPlaylist(data.payload);
				break;
			default:
		}
	}

	submit.addEventListener("click", (e) => {
		e.preventDefault()

		output.innerText = ""
		var title = document.querySelector(".container2 input[name='title'")
		var url = document.querySelector(".container2 input[name='url'")
		if (title.value == "" || url.value == "") {
			output.innerText = "Title or Url is empty!"
			return
		}

		ws.send(JSON.stringify({
			"event": "add_playlist",
			"payload": {
				"title": title.value,
				"url": url.value
			}
		}))
	})

	document.querySelectorAll("#items").forEach(item => item.addEventListener("click", (e) => {
		e.preventDefault()
		e.target.parentElement.style.pointerEvents = 'none'
		const disableui = setTimeout((t) => {
			t.style.pointerEvents = 'auto'
		}, 3000, e.target.parentElement);

		var id = e.target.dataset.id
		ws.send(JSON.stringify({
			"event": ((id === "reset") ? "stop" : "load_playlist"),
			"payload": id
		}))
	}));

	document.querySelectorAll("#ambiance").forEach(item => item.addEventListener("click", (e) => {
		e.preventDefault()
		e.target.parentElement.style.pointerEvents = 'none'
		const disableui = setTimeout((t) => {
			t.style.pointerEvents = 'auto'
		}, 3000, e.target.parentElement);

		var id = e.target.dataset.id
		ws.send(JSON.stringify({
			"event": ((id === "reset") ? "ambiance_stop" : "ambiance_play"),
			"payload": id
		}))
	}));
};

function addPlaylist(payload) {
	const container = document.querySelector("body > div.container")
	var newdiv = document.createElement('div');
	newdiv.className = "item"
	newdiv.dataset.id = payload.url
	newdiv.innerText = payload.title
	newdiv.addEventListener("click", (e) => {
		e.preventDefault()

		var id = e.target.dataset.id
		ws.send(JSON.stringify({
			"event": ((id === "reset") ? "stop" : "load_playlist"),
			"payload": id
		}))
	})

	container.insertBefore(newdiv, document.querySelector("body > div.container div:last-child"))

	output.innerText = "New playlist was added: " + payload.title
}

function msToTime(duration) {
	var milliseconds = parseInt((duration % 1000) / 100),
		seconds = Math.floor((duration / 1000) % 60),
		minutes = Math.floor((duration / (1000 * 60)) % 60),

		minutes = (minutes < 10) ? "0" + minutes : minutes;
	seconds = (seconds < 10) ? "0" + seconds : seconds;

	return minutes + ":" + seconds
}