SoulStream/src/views/Playlist.svelte

<script>
    import { ui, playlistStore, refreshPlaylists, playAlbum, player } from "../lib/state.svelte.js";
    import * as api from "../lib/api.js";
    import Icon from "../components/Icon.svelte";

    let tracks = $state([]);
    let renaming = $state(false);
    let nameInput = $state("");

    const playlist = $derived(
        playlistStore.playlists.find((p) => p.id === ui.playlistId) ?? null,
    );

    $effect(() => {
        if (ui.playlistId == null) return;
        api.playlistTracks(ui.playlistId).then((t) => (tracks = t));
    });

    function fmtDuration(s) {
        if (s == null) return "";
        return `${Math.floor(s / 60)}:${String(s % 60).padStart(2, "0")}`;
    }

    function play(start = 0) {
        playAlbum(
            tracks.map((t) => ({ ...t, duration_secs: t.duration_secs })),
            playlist?.name ?? "Playlist",
            start,
        );
    }

    async function removeTrack(position) {
        await api.removeFromPlaylist(ui.playlistId, position);
        tracks = await api.playlistTracks(ui.playlistId);
        await refreshPlaylists();
    }

    async function del() {
        await api.deletePlaylist(ui.playlistId);
        await refreshPlaylists();
        ui.view = "library";
        ui.playlistId = null;
    }

    const nowPlayingPath = $derived(
        player.queueIndex >= 0 ? player.queue[player.queueIndex]?.path : null,
    );
</script>

{#if playlist}
    <div class="playlist-page">
        <header>
            <div class="cover"><Icon name="music" size={64} /></div>
            <div class="head-meta">
                <p class="kind">Playlist</p>
                <h1>{playlist.name}</h1>
                <p class="line">{tracks.length} tracks</p>
                <div class="actions">
                    <button class="play-all" onclick={() => play()} disabled={tracks.length === 0}>
                        <Icon name="play" size={15} /> Play
                    </button>
                    <button class="del" onclick={del}>Delete</button>
                </div>
            </div>
        </header>

        {#if tracks.length === 0}
            <p class="empty-note">
                This playlist is empty. Open an album in your Library and use “Add to playlist”.
            </p>
        {:else}
            <div class="tracklist">
                {#each tracks as t (t.position)}
                    <div class="trow" class:playing={nowPlayingPath === t.path}>
                        <button class="ttitle-wrap" onclick={() => play(tracks.indexOf(t))}>
                            <span class="ttitle">{t.title}</span>
                            <span class="tartist">{t.artist}</span>
                        </button>
                        <span class="tdur">{fmtDuration(t.duration_secs)}</span>
                        <button class="trm" title="Remove" onclick={() => removeTrack(t.position)}>
                            <Icon name="x" size={15} />
                        </button>
                    </div>
                {/each}
            </div>
        {/if}
    </div>
{:else}
    <p class="empty-note">Playlist not found.</p>
{/if}

<style>
    header {
        display: flex;
        gap: 24px;
        align-items: flex-end;
        margin-bottom: 28px;
    }

    .cover {
        width: 200px;
        height: 200px;
        border-radius: 8px;
        background: linear-gradient(135deg, var(--accent), var(--accent-hover));
        display: grid;
        place-items: center;
        font-size: 64px;
        color: rgba(0, 0, 0, 0.6);
        box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
        flex-shrink: 0;
    }

    .kind {
        font-size: 12px;
        font-weight: 700;
        text-transform: uppercase;
        color: var(--text-secondary);
        letter-spacing: 0.08em;
    }

    h1 {
        margin: 6px 0 10px;
        font-size: 40px;
        font-weight: 800;
    }

    .line {
        color: var(--text-secondary);
        font-size: 13px;
    }

    .actions {
        display: flex;
        gap: 10px;
        align-items: center;
        margin-top: 16px;
    }

    .play-all {
        display: inline-flex;
        align-items: center;
        gap: 7px;
        padding: 10px 26px;
        border-radius: 24px;
        background: var(--accent);
        color: #000;
        font-weight: 700;
    }

    .play-all:hover:not(:disabled) {
        background: var(--accent-hover);
        transform: scale(1.02);
    }

    .play-all:disabled {
        opacity: 0.5;
    }

    .del {
        padding: 9px 16px;
        border-radius: 24px;
        background: transparent;
        border: 1px solid var(--border);
        color: var(--text-secondary);
        font-size: 13px;
    }

    .del:hover {
        color: #f15e6c;
        border-color: #f15e6c;
    }

    .empty-note {
        color: var(--text-secondary);
        padding-top: 10vh;
        text-align: center;
    }

    .tracklist {
        display: flex;
        flex-direction: column;
    }

    .trow {
        display: flex;
        align-items: center;
        gap: 14px;
        padding: 8px 12px;
        border-radius: 6px;
    }

    .trow:hover {
        background: var(--bg-highlight);
    }

    .trow.playing .ttitle {
        color: var(--accent-hover);
    }

    .ttitle-wrap {
        flex: 1;
        min-width: 0;
        display: flex;
        flex-direction: column;
        text-align: left;
    }

    .ttitle {
        font-weight: 500;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .tartist {
        font-size: 12px;
        color: var(--text-secondary);
    }

    .tdur {
        color: var(--text-muted);
        font-size: 12px;
        flex-shrink: 0;
    }

    .trm {
        color: var(--text-muted);
        flex-shrink: 0;
    }

    .trm:hover {
        color: #f15e6c;
    }
</style>