SoulStream/src/components/Sidebar.svelte

<script>
    import { app, ui, network, playlistStore, refreshPlaylists, toggleSidebar } from "../lib/state.svelte.js";
    import * as api from "../lib/api.js";
    import Icon from "./Icon.svelte";

    function navigate(id) {
        ui.view = id;
        if (id !== "library") ui.albumId = null;
    }

    async function newPlaylist() {
        const name = `New Playlist ${playlistStore.playlists.length + 1}`;
        const id = await api.createPlaylist(name);
        await refreshPlaylists();
        ui.view = "playlist";
        ui.playlistId = id;
    }

    function openPlaylist(id) {
        ui.view = "playlist";
        ui.playlistId = id;
    }

    const items = [
        { id: "home", label: "Home", icon: "home" },
        { id: "search", label: "Search", icon: "search" },
        { id: "library", label: "Your Library", icon: "library" },
        { id: "downloads", label: "Downloads", icon: "download" },
        { id: "settings", label: "Settings", icon: "settings" },
    ];

</script>

<nav class="sidebar" class:collapsed={ui.sidebarCollapsed}>
    <div class="sb-top">
        <button
            class="collapse-btn"
            title={ui.sidebarCollapsed ? "Expand" : "Collapse"}
            onclick={toggleSidebar}
        >
            <Icon name="chevron-left" size={20} />
        </button>
    </div>

    <ul>
        {#each items as item (item.id)}
            <li>
                <button
                    class="nav-item"
                    class:active={ui.view === item.id}
                    title={ui.sidebarCollapsed ? item.label : null}
                    onclick={() => navigate(item.id)}
                >
                    <span class="icon"><Icon name={item.icon} size={22} /></span>
                    <span class="label">{item.label}</span>
                </button>
            </li>
        {/each}
    </ul>

    <div class="playlists">
        <div class="pl-head">
            <span class="label">Playlists</span>
            <button class="pl-new" title="New playlist" onclick={newPlaylist}>
                <Icon name="plus" size={16} />
            </button>
        </div>
        <div class="pl-list">
            {#each playlistStore.playlists as pl (pl.id)}
                <button
                    class="pl-item"
                    class:active={ui.view === "playlist" && ui.playlistId === pl.id}
                    onclick={() => openPlaylist(pl.id)}
                >
                    <span class="pl-name">{pl.name}</span>
                    <span class="pl-count">{pl.track_count}</span>
                </button>
            {/each}
        </div>
    </div>

    <div class="footer">
        {#if app.connection === "online" && network.shareFiles > 0}
            <div class="share-info" title="Files you share with the network">
                sharing {network.shareFiles} files
            </div>
        {/if}
    </div>
</nav>

<style>
    .sidebar {
        grid-area: sidebar;
        background: var(--bg-base);
        border-radius: var(--radius);
        display: flex;
        flex-direction: column;
        padding: 12px 8px;
        overflow: hidden;
    }

    ul {
        list-style: none;
    }

    .sb-top {
        display: flex;
        justify-content: flex-end;
        padding: 0 4px 6px;
    }

    .collapse-btn {
        width: 30px;
        height: 30px;
        border-radius: 6px;
        display: grid;
        place-items: center;
        color: var(--text-secondary);
        flex: 0 0 auto;
        transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1), color 0.15s;
    }
    .collapse-btn:hover {
        color: var(--text-primary);
        background: var(--bg-highlight);
    }

    /* Label collapse: fades and zeroes width so icons stay put. */
    .label {
        white-space: nowrap;
        overflow: hidden;
        max-width: 160px;
        opacity: 1;
        transition: opacity 0.15s ease, max-width 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

    /* ---- collapsed icon-rail state ---- */
    .sidebar.collapsed .sb-top {
        justify-content: center;
    }
    .sidebar.collapsed .collapse-btn {
        transform: rotate(180deg);
    }
    .sidebar.collapsed .label {
        opacity: 0;
        max-width: 0;
    }
    .sidebar.collapsed .nav-item {
        justify-content: center;
        gap: 0;
        padding: 10px 0;
    }
    .sidebar.collapsed .pl-head {
        justify-content: center;
        padding: 0 0 8px;
    }
    .sidebar.collapsed .pl-list {
        display: none;
    }
    .sidebar.collapsed .footer {
        opacity: 0;
    }

    .playlists {
        flex: 1;
        display: flex;
        flex-direction: column;
        min-height: 0;
        margin-top: 12px;
        padding-top: 12px;
        border-top: 1px solid var(--border);
    }

    .pl-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 0 12px 8px;
        font-size: 12px;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.06em;
        color: var(--text-secondary);
    }

    .pl-new {
        width: 22px;
        height: 22px;
        border-radius: 50%;
        background: var(--bg-highlight);
        color: var(--text-secondary);
        font-size: 16px;
        display: grid;
        place-items: center;
    }

    .pl-new:hover {
        color: var(--text-primary);
        background: var(--bg-press);
    }

    .pl-list {
        overflow-y: auto;
        flex: 1;
    }

    .pl-item {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 8px;
        width: 100%;
        padding: 7px 12px;
        border-radius: 5px;
        color: var(--text-secondary);
        font-size: 13px;
        text-align: left;
    }

    .pl-item:hover {
        color: var(--text-primary);
    }

    .pl-item.active {
        background: var(--bg-highlight);
        color: var(--text-primary);
    }

    .pl-name {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .pl-count {
        font-size: 11px;
        color: var(--text-muted);
        flex-shrink: 0;
    }

    .nav-item {
        display: flex;
        align-items: center;
        gap: 14px;
        width: 100%;
        padding: 10px 12px;
        border-radius: 6px;
        color: var(--text-secondary);
        font-weight: 600;
        transition: color 0.15s;
    }

    .nav-item:hover {
        color: var(--text-primary);
    }

    .nav-item.active {
        color: var(--text-primary);
        background: var(--bg-highlight);
    }

    .icon {
        width: 22px;
        display: grid;
        place-items: center;
    }

    .footer {
        padding: 8px 4px;
    }

    .share-info {
        padding: 2px 8px;
        font-size: 11px;
        color: var(--text-muted);
    }
</style>