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<script lang="ts">
import { onDestroy, onMount } from 'svelte';
import addSVG from './assets/add.svg';
import playSVG from './assets/play.svg';
import pauseSVG from './assets/pause.svg';
import type { WsMessage, Song, SearchResponse } from './lib/api';
import API from './lib/api';
API.baseUrl = '/';
let status: 'paused' | 'playing' = 'paused';
let currentSong: Song | null = null;
let playlist: Array<Song> = [];
let votes: Map<string, 'up' | 'down'> = new Map();
let search = '';
let searchResults: Array<Song> = [];
let socket: WebSocket;
onMount(function () {
const proto = document.location.protocol === "https:" ? "wss:": "ws:";
const port = document.location.port;
const host = document.location.hostname;
socket = new WebSocket(`${proto}//${host}:${port}/ws`);
// Expose websocket for debugging
// ts-ignore
window.WS = socket;
console.info('Attempting Connection...');
socket.onopen = () => {
console.info('Successfully Connected');
};
socket.onclose = (event) => {
console.info('Socket Closed Connection: ', event);
};
socket.onerror = (error) => {
console.error('Socket Error: ', error);
};
socket.onmessage = ({ data }) => {
const { cmd, songs }: WsMessage = JSON.parse(data);
console.debug('Ws Message', cmd, songs);
switch (cmd) {
case 'add':
playlist = [...playlist, ...songs];
break;
case 'update':
for (const song of songs) {
playlist[
playlist.findIndex(({ uri }) => {
return uri === song.uri;
})
] = song;
}
break;
case 'pause':
status = 'paused';
break;
case 'play':
status = 'playing';
currentSong = songs[0];
playlist = playlist.filter(({ uri }) => uri !== currentSong?.uri);
break;
case 'upvoted':
for (const { uri } of songs) {
votes.set(uri, 'up');
}
votes = votes;
break;
case 'downvoted':
for (const { uri } of songs) {
votes.set(uri, 'down');
}
votes = votes;
break;
}
};
});
onDestroy(function () {
socket?.close();
});
$: playlist = playlist.sort(function (a, b) {
return b.weight - a.weight;
});
async function submitSearch() {
const response = await API.get('search', { pattern: search });
const { songs }: SearchResponse = await response.json();
searchResults = songs;
}
function vote(direction: 'up' | 'down', uri: string) {
return async function () {
let action;
if (votes.get(uri) === direction) {
votes.delete(uri);
action = 'unvote';
} else {
votes.set(uri, direction);
action = direction;
}
const response = await API.get(action, { song: uri });
console.debug(response);
};
}
</script>
<div class="content">
<form on:submit|preventDefault={submitSearch}>
<h1>Add your song</h1>
<label><input bind:value={search} id="search-bar" placeholder="Title/Artist/Album/..." /></label
>
<button formaction="submit">Search</button>
</form>
<div class="list">
{#each searchResults as { title, artist, source, uri, weight } (uri)}
<div class="flex-row search-results">
<button
class="icon-button"
on:click={() =>
API.post('add', { title, artist, source, uri, weight }).then(console.debug)}
>
<img src={addSVG} alt="Add" />
</button>
{artist + ' - ' + title}
<small>{source}</small>
</div>
{/each}
</div>
<h1>Playlist</h1>
<div class="list">
{#each playlist as { title, artist, source, uri, weight } (uri)}
<div>
<button class="vote" on:click={vote('up', uri)}>Up</button>
<button class="vote" on:click={vote('down', uri)}>Down</button>
{`${weight} ${artist} - ${title}`}
<small>{`(${source})`}</small>
</div>
{/each}
</div>
</div>
<div class="player flex-row">
<button class="icon-button" on:click={() => API.get('playpause').then(console.debug)}>
{#if status === 'playing'}
<img src={pauseSVG} alt="Pause" />
{:else}
<img src={playSVG} alt="Play" />
{/if}
</button>
<p>
{#if currentSong !== null}
{currentSong.title} <br /> <small>{currentSong.artist}</small>
{:else}
No songs schedulded :( <br /> <a href="#search-bar">Try adding some.</a>
{/if}
</p>
</div>
<style>
.content {
width: 100vw;
height: calc(100vh - 5em);
}
@media (max-width: 50em) {
.content {
overflow-y: scroll;
display: flex;
flex-direction: column;
align-items: center;
}
}
@media not (max-width: 50em) {
.content {
display: grid;
grid-template-columns: 1fr 1fr;
grid-template-rows: min-content 1fr;
}
.content > * {
grid-row: 1;
}
.content > form {
grid-column: 1;
}
.content > h1 {
grid-column: 2;
}
.content > .list {
grid-row: 2;
}
.content > div.list:first-child {
grid-column: 1;
}
.content > div.list:last-child {
grid-column: 2;
}
.list {
overflow-y: scroll;
}
}
.player {
position: fixed;
bottom: 0;
width: 100%;
height: 5em;
border-top: 1px solid white;
}
.search-results > button {
--icon-size: 2em;
}
.search-results > small {
color: var(--secondary);
margin-left: 0.5em;
}
</style>
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