source: Klonkt/src/views/pages/admin-audio.ejs@ d2078f4

<div class="container ax-page">

  <p><a href="/admin" class="btn">&larr; Beheer</a></p>
  <header class="ax-header">
    <div>
      <h1>Audio tracks</h1>
      <p class="ax-tagline">Site-level MP3s. Gebruik <code>[[track:&lt;id&gt;]]</code> in een post om een play-knop in te voegen.</p>
    </div>
  </header>

  <% if (success) { %><div class="ax-flash ax-flash-ok"><%= success %></div><% } %>
  <% if (error) { %><div class="ax-flash ax-flash-err"><%= error %></div><% } %>

  <%# ── UPLOAD ──────────────────────────────────────────────── %>
  <section class="ax-card">
    <div class="ax-card-title">Upload</div>

    <%# Bulk drag-drop zone. Multiple files at once, transcoded sequentially.
        Title is auto-derived from each filename. Artist/album/cover are
        SHARED across the batch (set once, applied to every track) — same
        pattern as iTunes/Plex bulk-add. %>
    <div class="ax-form">

      <%# Shared metadata fields (apply to ALL files in the batch). %>
      <div class="ax-row ax-row-2">
        <label class="ax-field">
          <span>Artiest <small>(toegepast op alle bestanden)</small></span>
          <input type="text" id="batch-artist" placeholder="Optioneel">
        </label>
        <label class="ax-field">
          <span>Album <small>(toegepast op alle bestanden)</small></span>
          <input type="text" id="batch-album" placeholder="Optioneel">
        </label>
      </div>
      <label class="ax-field ax-file">
        <span>Cover <small>(optioneel, toegepast op alle bestanden — jpg/png/webp/gif, max 5 MB)</small></span>
        <span class="ax-file-control">
          <span class="ax-btn ax-btn-secondary ax-file-btn">🖼 Kies cover</span>
          <span class="ax-file-name" data-empty>Geen bestand gekozen</span>
          <input type="file" id="batch-cover" accept="image/jpeg,image/png,image/webp,image/gif">
        </span>
      </label>

      <%# The drop-zone itself. Click anywhere to open file picker. %>
      <label class="ax-dropzone" id="audio-dropzone" tabindex="0">
        <span class="ax-dropzone-icon">🎵</span>
        <strong class="ax-dropzone-title">Sleep audio hierheen</strong>
        <span class="ax-dropzone-sub">of klik om bestanden te kiezen<br><small>mp3, m4a, ogg, opus, flac · max <%= maxBytesMb %> MB · wav max <%= maxWavMb %> MB</small></span>
        <input type="file" id="audio-files" accept="audio/*" multiple>
      </label>

      <%# Per-file progress list. Populated by JS as files are queued. %>
      <ul class="ax-upload-queue" id="upload-queue" hidden></ul>

      <div class="ax-form-actions" id="upload-actions" hidden>
        <button type="button" class="ax-btn ax-btn-primary" id="start-upload-btn">⬆ Start upload</button>
        <button type="button" class="ax-btn" id="clear-queue-btn">Wis lijst</button>
      </div>
    </div>
  </section>

  <%# ── TRACK LIST ─────────────────────────────────────────── %>
  <section class="ax-card">
    <div class="ax-card-title">
      Tracks <span class="ax-count"><%= tracks.length %></span>
    </div>

    <% if (!tracks.length) { %>
      <div class="ax-empty">
        <div class="ax-empty-icon">♫</div>
        <p>Nog geen tracks. Upload er een hierboven.</p>
      </div>
    <% } else { %>
      <ul class="ax-list">
        <% tracks.forEach(function(t) { %>
          <li class="ax-track" data-track-id="<%= t.id %>">
            <% if (t.cover_url) { %>
              <img class="ax-track-cover" src="<%= t.cover_url %>" alt="" data-cover-thumb>
            <% } else { %>
              <span class="ax-track-cover ax-track-cover-empty" data-cover-thumb>♫</span>
            <% } %>

            <div class="ax-track-meta">
              <div class="ax-track-title" data-cell="title"><%= t.title || '(zonder titel)' %></div>
              <div class="ax-track-sub">
                <span data-cell="artist"><%= t.artist || '—' %></span>
                <% if (t.album) { %><span class="ax-track-sep">·</span><span data-cell="album"><%= t.album %></span><% } else { %><span data-cell="album" hidden></span><% } %>
                <span class="ax-track-sep">·</span><span><%= t.size ? Math.round(t.size/1024) + ' KB' : '—' %></span>
              </div>
              <code class="ax-embed" data-copy="[[track:<%= t.id %>]]" title="Klik om te kopiëren">[[track:<%= t.id %>]]</code>
            </div>

            <div class="ax-track-actions">
              <% if (t.stream_url) { %>
                <button type="button" class="ax-icon-btn ax-track-play"
                        data-stream-url="<%= t.stream_url %>"
                        data-track-id="<%= t.id %>"
                        aria-label="Afspelen" title="Afspelen">
                  <span class="ax-track-play-icon" aria-hidden="true">▶</span>
                </button>
              <% } %>
              <button type="button" class="ax-icon-btn" data-track-edit data-id="<%= t.id %>" aria-label="Bewerken" title="Bewerken">✎</button>
              <% if (typeof premiumUnlocked === 'undefined' || premiumUnlocked) { %>
                <button type="button" class="ax-icon-btn" data-track-dl data-id="<%= t.id %>" data-on="<%= t.downloadable ? '1' : '0' %>"
                        aria-label="Download-voor-email" title="<%= t.downloadable ? 'Download-voor-email staat AAN — klik om uit te zetten' : 'Download-voor-email staat uit — klik om aan te zetten' %>"
                        style="<%= t.downloadable ? 'color:var(--accent,#6b8f71)' : 'opacity:.5' %>">⬇</button>
              <% } %>
              <form action="/admin/audio/<%= t.id %>/delete" method="post" onsubmit="return confirm('Track verwijderen?')" class="ax-track-delete">
                <button type="submit" class="ax-icon-btn ax-icon-btn-danger" aria-label="Verwijderen" title="Verwijderen">🗑</button>
              </form>
            </div>
          </li>
        <% }); %>
      </ul>
    <% } %>
  </section>

  <% if ((typeof premiumUnlocked === 'undefined' || premiumUnlocked) && typeof embedUrl !== 'undefined') { %>
    <section class="ax-section" style="margin-top:1.5rem">
      <h2 style="margin:0 0 .4rem">🔊 Embedbare speler</h2>
      <p style="opacity:.75;font-size:.9rem;margin:0 0 .6rem">Plak deze code op je eigen website/blog om je muziek met deze speler in te sluiten:</p>
      <textarea readonly rows="3" onclick="this.select()" style="width:100%;font-family:monospace;font-size:12px;padding:10px;border-radius:8px;border:1px solid var(--rule);background:var(--paper-2);color:inherit;">&lt;iframe src="<%= embedUrl %>" width="100%" height="420" frameborder="0" loading="lazy" style="border-radius:12px"&gt;&lt;/iframe&gt;</textarea>
      <p style="margin:.6rem 0 0"><a class="btn" href="<%= embedUrl %>" target="_blank">▶ Speler-voorbeeld openen</a></p>
    </section>
  <% } %>

</div>

<style>
/* ─── Page wrapper ──────────────────────────────────────────────── */
.ax-page {
  max-width: 880px;
  margin: 1.5rem auto 4rem;
  padding: 0 1rem;
}
.ax-header {
  display: flex; align-items: flex-start; gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.ax-header h1 {
  font-family: var(--font-display, serif);
  font-size: 1.75rem;
  margin: 0 0 0.25rem;
}
.ax-tagline {
  color: var(--ink-muted, var(--ink-soft));
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.5;
}
.ax-tagline code {
  background: var(--paper-2);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
}
.ax-back {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
  text-decoration: none;
  font-size: 1.1rem;
  flex-shrink: 0;
  transition: border-color 120ms;
}
.ax-back:hover { border-color: var(--accent); }

/* ─── Flash messages ───────────────────────────────────────────── */
.ax-flash {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}
.ax-flash-ok  { background: rgba(40,160,90,.15); color: #2a9d5e; border: 1px solid rgba(40,160,90,.3); }
.ax-flash-err { background: rgba(200,60,60,.15); color: #c33;    border: 1px solid rgba(200,60,60,.3); }

/* ─── Card sections ────────────────────────────────────────────── */
.ax-card {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}
.ax-card-title {
  font-family: var(--font-display, serif);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 1rem;
  display: flex; align-items: baseline; gap: 0.5rem;
}
.ax-count {
  font-family: var(--font-ui, system-ui);
  font-size: 0.8rem;
  color: var(--ink-muted, var(--ink-soft));
  background: var(--paper-2);
  padding: 0.1em 0.55em;
  border-radius: 999px;
  font-weight: 500;
}

/* ─── Form fields ──────────────────────────────────────────────── */
.ax-form {
  display: flex; flex-direction: column;
  gap: 0.85rem;
}
.ax-row {
  display: grid; gap: 0.85rem;
}
.ax-row-2 { grid-template-columns: 1fr 1fr; }
@media (max-width: 600px) {
  .ax-row-2 { grid-template-columns: 1fr; }
}
.ax-field {
  display: flex; flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
}
.ax-field > span {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink-soft);
  display: flex; align-items: baseline; gap: 0.4rem;
  flex-wrap: wrap;
}
.ax-field > span small {
  font-weight: 400; color: var(--ink-muted);
  font-size: 0.95em;
}
.ax-field input[type="text"],
.ax-field input[type="url"],
.ax-field input[type="email"],
.ax-field select,
.ax-field textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--paper-2);
  color: var(--ink);
  font-family: var(--font-ui, system-ui), sans-serif;
  font-size: 0.95rem;
  -webkit-appearance: none; appearance: none;
  transition: border-color 120ms;
}
.ax-field input:focus,
.ax-field select:focus,
.ax-field textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
  border-color: var(--accent);
}

/* ─── File inputs (custom-styled wrapper) ─────────────────────── */
.ax-file-control {
  display: flex; align-items: center; gap: 0.5rem;
  flex-wrap: wrap;
  position: relative;
  min-height: 40px;
}
.ax-file-control input[type="file"] {
  position: absolute; inset: 0;
  opacity: 0; cursor: pointer;
  z-index: 2;
}
.ax-file-btn {
  pointer-events: none;  /* let clicks pass through to the file input */
}
.ax-file-name {
  font-size: 0.85rem;
  color: var(--ink);
  word-break: break-all;
  flex: 1;
  min-width: 0;
}
.ax-file-name[data-empty] { color: var(--ink-muted, var(--ink-soft)); }

.ax-form-actions {
  display: flex; gap: 0.5rem;
  margin-top: 0.25rem;
}
.ax-form-actions[hidden] { display: none; }

/* ─── Buttons ──────────────────────────────────────────────────── */
.ax-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  padding: 0.55rem 1rem;
  border: 1px solid var(--rule);
  background: var(--paper-2);
  color: var(--ink);
  font-family: var(--font-ui, system-ui), sans-serif;
  font-size: 0.9rem; font-weight: 500;
  text-decoration: none;
  border-radius: 6px;
  cursor: pointer;
  min-height: 40px;
  transition: background 120ms, border-color 120ms;
  -webkit-tap-highlight-color: transparent;
}
.ax-btn:hover { border-color: var(--accent); }
.ax-btn-secondary { background: var(--paper-2); }
.ax-btn-primary {
  background: var(--accent); color: white;
  border-color: var(--accent);
}
.ax-btn-primary:hover { opacity: 0.92; border-color: var(--accent); }

/* Tiny icon-only button for row actions */
.ax-icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border: 1px solid var(--rule);
  background: var(--paper-2);
  color: var(--ink);
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  transition: background 120ms, border-color 120ms, color 120ms;
}
.ax-icon-btn:hover { border-color: var(--accent); }
.ax-icon-btn-danger:hover { color: #dc2626; border-color: #dc2626; }

.ax-track-play.is-playing {
  border-color: var(--accent);
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, var(--paper-2));
}
.ax-track-play-icon { font-size: 0.85rem; line-height: 1; }

/* ─── Empty state ──────────────────────────────────────────────── */
.ax-empty {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--ink-muted, var(--ink-soft));
}
.ax-empty-icon {
  font-size: 2.5rem;
  font-family: var(--font-display, serif);
  color: var(--ink-soft);
  opacity: 0.4;
  margin-bottom: 0.5rem;
}
.ax-empty p { margin: 0; }

/* ─── Track list (card per row) ────────────────────────────────── */
.ax-list {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column;
  gap: 0.6rem;
}
.ax-track {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: 0.85rem;
  align-items: center;
  padding: 0.75rem;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: 10px;
  transition: border-color 120ms;
}
.ax-track:hover { border-color: var(--accent); }
.ax-track-cover {
  width: 56px; height: 56px;
  border-radius: 6px;
  object-fit: cover;
  background: var(--paper);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display, serif);
  font-size: 1.5rem;
  color: var(--accent);
  flex-shrink: 0;
}
.ax-track-cover-empty { /* span variant */ }
.ax-track-meta {
  min-width: 0;  /* allow text-overflow on long titles */
  display: flex; flex-direction: column; gap: 0.2rem;
}
.ax-track-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ax-track-sub {
  font-size: 0.8rem;
  color: var(--ink-muted, var(--ink-soft));
  display: flex; flex-wrap: wrap; gap: 0.3rem; align-items: center;
}
.ax-track-sep { opacity: 0.5; }
.ax-embed {
  display: inline-block;
  background: var(--paper);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: 0.75rem;
  color: var(--ink-soft);
  cursor: pointer;
  user-select: all;
  margin-top: 0.15rem;
  word-break: break-all;
  align-self: flex-start;
  transition: background 120ms;
}
.ax-embed:hover { background: var(--rule); }
.ax-embed.is-copied { background: rgba(40,160,90,0.2); color: #2a9d5e; }

.ax-track-actions {
  display: flex; gap: 0.4rem;
  flex-shrink: 0;
}
.ax-track-delete { display: inline; }

/* ─── Mobile tweaks ───────────────────────────────────────────── */
@media (max-width: 480px) {
  .ax-track {
    grid-template-columns: 48px 1fr;
    grid-template-areas: "cover meta" "actions actions";
    gap: 0.6rem;
  }
  .ax-track-cover { grid-area: cover; width: 48px; height: 48px; }
  .ax-track-meta  { grid-area: meta; }
  .ax-track-actions {
    grid-area: actions;
    justify-content: flex-end;
    border-top: 1px solid var(--rule);
    padding-top: 0.5rem;
    margin-top: 0.25rem;
  }
}

/* ─── Bulk drop-zone ──────────────────────────────────────────── */
.ax-dropzone {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 0.4rem;
  padding: 2rem 1rem;
  border: 2px dashed var(--rule);
  border-radius: 12px;
  background: var(--paper-2);
  cursor: pointer;
  text-align: center;
  transition: border-color 150ms, background 150ms;
  position: relative;
  min-height: 160px;
}
.ax-dropzone:hover,
.ax-dropzone:focus-within {
  border-color: var(--accent);
}
.ax-dropzone.is-dragover {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, var(--paper-2));
}
.ax-dropzone input[type="file"] {
  /* Cover the whole dropzone but invisible — clicks bubble through to it. */
  position: absolute; inset: 0;
  opacity: 0;
  cursor: pointer;
}
.ax-dropzone-icon {
  font-size: 2rem;
  opacity: 0.5;
  line-height: 1;
}
.ax-dropzone-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
}
.ax-dropzone-sub {
  font-size: 0.85rem;
  color: var(--ink-muted, var(--ink-soft));
  line-height: 1.4;
}
.ax-dropzone-sub small {
  font-size: 0.75rem;
  opacity: 0.8;
}

/* ─── Upload queue ────────────────────────────────────────────── */
.ax-upload-queue {
  list-style: none;
  padding: 0; margin: 0.75rem 0 0;
  display: flex; flex-direction: column;
  gap: 0.4rem;
}
.ax-queue-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.6rem 0.85rem;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 8px;
  font-size: 0.875rem;
  transition: border-color 150ms, opacity 150ms;
}
.ax-queue-item--active {
  border-color: var(--accent);
}
.ax-queue-item--done {
  border-color: rgba(40,160,90,0.4);
  opacity: 0.85;
}
.ax-queue-item--error {
  border-color: rgba(220,60,60,0.5);
}
.ax-queue-name {
  font-weight: 500;
  color: var(--ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}
.ax-queue-size {
  font-size: 0.75rem;
  color: var(--ink-muted, var(--ink-soft));
  margin-left: 0.5rem;
}
.ax-queue-status {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.15em 0.6em;
  border-radius: 999px;
  background: var(--paper-2);
  color: var(--ink-soft);
  white-space: nowrap;
  flex-shrink: 0;
}
.ax-queue-status--queued   { color: var(--ink-muted, var(--ink-soft)); }
.ax-queue-status--uploading,
.ax-queue-status--transcoding {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, var(--paper-2));
}
.ax-queue-status--done {
  color: #2a9d5e;
  background: rgba(40,160,90,0.12);
}
.ax-queue-status--error {
  color: #dc2626;
  background: rgba(220,60,60,0.12);
}
</style>

<%# Track editor modal (exposes window.openTrackEditor) %>
<%- include('../partials/track-editor', { csrfToken: (typeof csrfToken !== 'undefined' ? csrfToken : '') }) %>

<script>
(function() {

  // ── Live filename display for custom file inputs ──────────────
  document.querySelectorAll('.ax-file-control input[type="file"]').forEach(input => {
    const nameEl = input.parentElement.querySelector('.ax-file-name');
    if (!nameEl) return;
    input.addEventListener('change', () => {
      if (input.files && input.files[0]) {
        nameEl.textContent = input.files[0].name;
        nameEl.removeAttribute('data-empty');
      } else {
        nameEl.textContent = 'Geen bestand gekozen';
        nameEl.setAttribute('data-empty', '');
      }
    });
  });

  // ── Inline track preview (routed through the global mini-player) ──
  // Each .ax-track-play button is a thin wrapper around the global
  // window.pcmsAudioPlayer.setQueue([...]) call. Visual state (▶ / ⏸ /
  // .is-playing) is synced from the player's own audio element so it
  // stays accurate even when the user uses the mini-player's controls.
  (function setupTrackPreview() {
    const buttons = document.querySelectorAll('.ax-track-play');
    if (!buttons.length) return;

    function setIcon(btn, playing) {
      const icon = btn.querySelector('.ax-track-play-icon');
      if (icon) icon.textContent = playing ? '⏸' : '▶';
      btn.classList.toggle('is-playing', playing);
      btn.setAttribute('aria-label', playing ? 'Pauzeren' : 'Afspelen');
    }

    // Resync ALL preview buttons against the current audio element state.
    // Called on every play/pause/ended event so admins always see the right
    // icon — including the case where they hit pause on the mini-player
    // bar instead of the row's button.
    function resyncAll() {
      const audio = document.getElementById('audio-element');
      const player = window.pcmsAudioPlayer;
      const playing = audio && !audio.paused && !audio.ended;
      // audio.src is now a blob: URL (Spotify-style playback), so compare
      // against the player's logical track URL, not the element src.
      const cur = player && player.currentTrack();
      const curUrl = cur ? cur.url : '';
      buttons.forEach(b => {
        const isThisOne = playing && curUrl === b.dataset.streamUrl;
        setIcon(b, isThisOne);
      });
    }

    buttons.forEach(btn => {
      btn.addEventListener('click', e => {
        e.preventDefault();
        const player = window.pcmsAudioPlayer;
        if (!player) {
          console.warn('[admin-audio] miniplayer not available');
          return;
        }
        const url = btn.dataset.streamUrl;
        if (!url) return;

        // Build track metadata from the row's DOM so the mini-player shows
        // useful info (title/artist/album/cover) without an extra API call.
        const row = btn.closest('.ax-track');
        const titleEl  = row && row.querySelector('[data-cell="title"]');
        const artistEl = row && row.querySelector('[data-cell="artist"]');
        const albumEl  = row && row.querySelector('[data-cell="album"]');
        const coverImg = row && row.querySelector('img[data-cover-thumb]');
        const track = {
          url,
          title:  titleEl  ? titleEl.textContent.trim()  : 'Track',
          artist: artistEl ? artistEl.textContent.trim() : '',
          album:  albumEl  ? albumEl.textContent.trim()  : '',
          cover:  coverImg ? coverImg.src                : '',
        };

        // If this exact track is already current, toggle pause/play instead
        // of restarting from zero. Compare logical URLs (audio.src is a blob:).
        const cur = player.currentTrack();
        if (cur && cur.url === url) {
          if (player.isPlaying()) player.pause();
          else                    player.play();
          return;
        }

        player.setQueue([track], 0);
      });
    });

    // Hook the global audio element's events to keep the row buttons synced.
    // We attach lazily after the player has built its DOM. The script in
    // shell.ejs runs at page-load so #audio-element exists by the time
    // this IIFE fires (script tag is below the body content).
    const audio = document.getElementById('audio-element');
    if (audio) {
      ['play', 'pause', 'ended', 'loadstart', 'emptied'].forEach(ev => {
        audio.addEventListener(ev, resyncAll);
      });
      // Initial state on page load (e.g. user navigated back while a track
      // was already playing — buttons should reflect that).
      resyncAll();
    }
  })();


  // ── Bulk upload (drag-drop + sequential transcoding) ─────────
  // Files dropped or picked are queued (not uploaded immediately) so the
  // user can review the list, set shared metadata, then hit "Start upload".
  // The loop POSTs one file at a time to /admin/audio/upload with
  // Accept: application/json so the server returns structured per-file
  // results instead of redirecting.
  const dropzone   = document.getElementById('audio-dropzone');
  const fileInput  = document.getElementById('audio-files');
  const queueEl    = document.getElementById('upload-queue');
  const actionsEl  = document.getElementById('upload-actions');
  const startBtn   = document.getElementById('start-upload-btn');
  const clearBtn   = document.getElementById('clear-queue-btn');
  const artistInput= document.getElementById('batch-artist');
  const albumInput = document.getElementById('batch-album');
  const coverInput = document.getElementById('batch-cover');

  /** @type {Array<{file: File, el: HTMLElement, status: string}>} */
  const queue = [];

  function fmtBytes(n) {
    if (n < 1024) return n + ' B';
    if (n < 1024 * 1024) return (n / 1024).toFixed(0) + ' KB';
    return (n / 1024 / 1024).toFixed(1) + ' MB';
  }

  function setItemStatus(item, status, label) {
    const labels = {
      queued:      'Wachten',
      uploading:   'Uploaden…',
      transcoding: 'Converteren…',
      done:        '✓ Klaar',
      error:       '✗ Fout',
    };
    item.status = status;
    const badge = item.el.querySelector('.ax-queue-status');
    badge.className = 'ax-queue-status ax-queue-status--' + status;
    badge.textContent = label || labels[status] || status;
    // Restyle the row
    item.el.classList.remove(
      'ax-queue-item--active', 'ax-queue-item--done', 'ax-queue-item--error'
    );
    if (status === 'uploading' || status === 'transcoding') item.el.classList.add('ax-queue-item--active');
    else if (status === 'done')  item.el.classList.add('ax-queue-item--done');
    else if (status === 'error') item.el.classList.add('ax-queue-item--error');
  }

  function addFiles(files) {
    let added = 0;
    for (const file of files) {
      if (!file.type.startsWith('audio/') &&
          !/\.(mp3|m4a|ogg|opus|flac|wav|webm|aac|oga|mp4)$/i.test(file.name)) {
        // Silently skip non-audio drops; keeps the UX uncluttered.
        continue;
      }
      const li = document.createElement('li');
      li.className = 'ax-queue-item';
      li.innerHTML =
        '<div class="ax-queue-name"></div>' +
        '<span class="ax-queue-status ax-queue-status--queued">Wachten</span>';
      // Use textContent to avoid HTML-injection if a filename contains markup.
      li.querySelector('.ax-queue-name').textContent = file.name;
      // Append size hint inline
      const size = document.createElement('span');
      size.className = 'ax-queue-size';
      size.textContent = fmtBytes(file.size);
      li.querySelector('.ax-queue-name').appendChild(size);
      queueEl.appendChild(li);
      queue.push({ file, el: li, status: 'queued' });
      added++;
    }
    if (added) {
      queueEl.hidden = false;
      actionsEl.hidden = false;
    }
  }

  // ── Drop-zone events ─────────────────────────────────────────
  // Page-level guard: a dropped file outside the zone would otherwise
  // make the browser navigate to it (e.g. opening the audio inline), which
  // discards typed metadata. We swallow drops anywhere unless the dropzone
  // explicitly handles them.
  ['dragover', 'drop'].forEach(ev => {
    window.addEventListener(ev, e => {
      // Allow drops INSIDE the dropzone — its own listener handles those.
      if (dropzone.contains(e.target)) return;
      e.preventDefault();
    });
  });

  ['dragenter', 'dragover'].forEach(ev => {
    dropzone.addEventListener(ev, e => {
      e.preventDefault();
      dropzone.classList.add('is-dragover');
    });
  });
  ['dragleave', 'drop'].forEach(ev => {
    dropzone.addEventListener(ev, e => {
      e.preventDefault();
      dropzone.classList.remove('is-dragover');
    });
  });
  dropzone.addEventListener('drop', e => {
    if (e.dataTransfer && e.dataTransfer.files) addFiles(e.dataTransfer.files);
  });
  fileInput.addEventListener('change', () => {
    addFiles(fileInput.files);
    // Reset so the same file can be picked again later if user wants
    fileInput.value = '';
  });

  // ── Clear queue button ───────────────────────────────────────
  clearBtn.addEventListener('click', () => {
    // Only remove items that aren't currently uploading (anything queued
    // or already finished). An in-progress upload finishes, then its row
    // would also disappear once we re-render — but we keep it simple and
    // just refuse to clear during an active run.
    if (startBtn.disabled) return;
    queue.length = 0;
    queueEl.innerHTML = '';
    queueEl.hidden = true;
    actionsEl.hidden = true;
  });

  // ── Sequential upload loop ───────────────────────────────────
  startBtn.addEventListener('click', async () => {
    if (startBtn.disabled) return;
    startBtn.disabled = true;
    clearBtn.disabled = true;
    dropzone.style.pointerEvents = 'none';
    dropzone.style.opacity = '0.5';

    const sharedArtist = artistInput.value.trim();
    const sharedAlbum  = albumInput.value.trim();
    const sharedCover  = coverInput.files && coverInput.files[0];

    // Process queued items one at a time. We iterate via index so that
    // if more files get dropped during the run they ALSO get processed
    // (queue.push above mutates the same array we're iterating).
    for (let i = 0; i < queue.length; i++) {
      const item = queue[i];
      if (item.status !== 'queued') continue;
      try {
        await uploadOne(item, sharedArtist, sharedAlbum, sharedCover);
      } catch (err) {
        console.error('upload failed for', item.file.name, err);
        setItemStatus(item, 'error', '✗ ' + (err.message || 'Mislukt'));
      }
    }

    startBtn.disabled = false;
    clearBtn.disabled = false;
    dropzone.style.pointerEvents = '';
    dropzone.style.opacity = '';

    // Reload the page so the new tracks appear in the list below.
    // Could also fetch them and inject, but a full reload is simpler and
    // ensures position indexes / album-grouping are correct.
    const anyDone = queue.some(q => q.status === 'done');
    if (anyDone) {
      setTimeout(() => location.reload(), 700);
    }
  });

  async function uploadOne(item, sharedArtist, sharedAlbum, sharedCover) {
    setItemStatus(item, 'uploading');

    const fd = new FormData();
    fd.append('audio', item.file);
    if (sharedArtist) fd.append('artist', sharedArtist);
    if (sharedAlbum)  fd.append('album',  sharedAlbum);
    if (sharedCover)  fd.append('cover',  sharedCover);
    // Title is intentionally omitted — server uses filename fallback.

    // We can't reliably distinguish "still uploading bytes" from
    // "uploading done, ffmpeg running" without progress events, but the
    // status flips to "Converteren…" once the request is past upload phase.
    // We approximate this by waiting until the response arrives — by then
    // both phases are complete on the server side. For a smoother feel we
    // briefly show "transcoding" near the end of the request lifecycle.
    const transcodeHint = setTimeout(() => {
      if (item.status === 'uploading') setItemStatus(item, 'transcoding');
    }, 1500);

    try {
      const res = await fetch('/admin/audio/upload', {
        method: 'POST',
        headers: { 'Accept': 'application/json' },
        body: fd,
        credentials: 'same-origin',
      });
      clearTimeout(transcodeHint);

      // Server responds with JSON for our Accept header. If it didn't
      // (e.g. session expired and got an HTML login page), surface that.
      let data;
      try { data = await res.json(); }
      catch (_) { throw new Error('Onverwacht serverantwoord (' + res.status + ')'); }

      if (!res.ok || !data.ok) {
        throw new Error(data.error || ('HTTP ' + res.status));
      }

      setItemStatus(item, 'done', '✓ ' + (data.title || 'Klaar'));
    } catch (err) {
      clearTimeout(transcodeHint);
      throw err;
    }
  }

  // ── Click-to-copy embed codes ─────────────────────────────────
  document.querySelectorAll('[data-copy]').forEach(el => {
    el.addEventListener('click', async () => {
      const text = el.dataset.copy;
      try {
        await navigator.clipboard.writeText(text);
        el.classList.add('is-copied');
        const original = el.textContent;
        el.textContent = '✓ gekopieerd';
        setTimeout(() => {
          el.classList.remove('is-copied');
          el.textContent = original;
        }, 1200);
      } catch (_) { /* fall through — selection still works */ }
    });
  });

  // ── Wire all "Edit" buttons to the track-editor modal ─────────
  // After save we patch the row in-place rather than reloading,
  // so the user keeps their scroll position on long lists.
  document.querySelectorAll('[data-track-edit]').forEach(btn => {
    btn.addEventListener('click', () => {
      if (typeof window.openTrackEditor !== 'function') {
        alert('Track editor niet geladen');
        return;
      }
      const id = btn.dataset.id;
      window.openTrackEditor({
        id,
        onSaved: (track) => {
          const row = document.querySelector('li[data-track-id="' + id + '"]');
          if (!row) return;
          // Update visible cells
          const titleEl  = row.querySelector('[data-cell="title"]');
          const artistEl = row.querySelector('[data-cell="artist"]');
          const albumEl  = row.querySelector('[data-cell="album"]');
          if (titleEl)  titleEl.textContent  = track.title  || '(zonder titel)';
          if (artistEl) artistEl.textContent = track.artist || '—';
          if (albumEl)  {
            albumEl.textContent = track.album || '';
            if (track.album) albumEl.removeAttribute('hidden');
            else albumEl.setAttribute('hidden', '');
          }
          // Update cover thumb (replace element if type changed)
          const oldThumb = row.querySelector('[data-cover-thumb]');
          if (oldThumb) {
            const parent = oldThumb.parentElement;
            if (track.cover_url) {
              const img = document.createElement('img');
              img.className = 'ax-track-cover';
              img.src = track.cover_url;
              img.alt = '';
              img.dataset.coverThumb = '';
              parent.replaceChild(img, oldThumb);
            } else {
              const sp = document.createElement('span');
              sp.className = 'ax-track-cover ax-track-cover-empty';
              sp.textContent = '♫';
              sp.dataset.coverThumb = '';
              parent.replaceChild(sp, oldThumb);
            }
          }
        },
      });
    });
  });

  // Download-voor-email toggle — AJAX (geen pagina-reload meer).
  document.querySelectorAll('[data-track-dl]').forEach(btn => {
    btn.addEventListener('click', async () => {
      if (btn.disabled) return;
      const want = btn.dataset.on === '1' ? 0 : 1;
      btn.disabled = true;
      try {
        const res = await fetch('/admin/audio/api/' + btn.dataset.id, {
          method: 'POST',
          headers: { 'Content-Type': 'application/json' },
          body: JSON.stringify({ downloadable: !!want }),
        });
        if (!res.ok) throw new Error('HTTP ' + res.status);
        btn.dataset.on = String(want);
        btn.style.color = want ? 'var(--accent,#6b8f71)' : '';
        btn.style.opacity = want ? '1' : '.5';
        btn.title = want
          ? 'Download-voor-email staat AAN — klik om uit te zetten'
          : 'Download-voor-email staat uit — klik om aan te zetten';
      } catch (e) {
        alert('Kon niet wijzigen: ' + (e.message || e));
      } finally {
        btn.disabled = false;
      }
    });
  });
})();
</script>