{% extends "base.html" %}
{% block title %}Audio Transcriber — {{ settings.APP_NAME }}{% endblock %}
{% block content %}
<div class="page">
  {% if status == "started" or status == "started-mus" %}
  <div id="txStatus" class="form-error" style="background:#fff8e6;color:#8a6d00;border-color:#e6d29a">
    <span class="tx-spinner"></span> <span id="txText">Transcribing…</span>
  </div>
  {% endif %}

  <h1 class="greeting">Audio Transcriber</h1>
  <p class="muted" style="max-width:640px">
    Turn an audio or video file into MIDI (via Spotify Basic Pitch). Upload or pick a file from
    your bucket, then the worker produces a MIDI you can download. Video files get their audio extracted automatically.
  </p>

  <div class="admin-panel">
    <section class="stack">
      <h2 class="section-title">Your audio</h2>
      {% if audio_files %}
      <ul class="file-list">
        {% for k in audio_files %}
        <li>
          <span class="file-name" title="{{ k }}">{{ k }}</span>
          <span style="display:flex;gap:8px;align-items:center">
            <form method="post" action="/transcriber/transcribe" style="display:flex">
              <input type="hidden" name="key" value="{{ k }}">
              <button class="button button-utility" type="submit">MIDI</button>
            </form>
            <form method="post" action="/transcriber/sheetmusic" style="display:flex">
              <input type="hidden" name="key" value="{{ k }}">
              <button class="button button-utility" type="submit" title="MIDI + MusicXML + PDF" style="border-color:#dd5b00;color:#dd5b00">Sheet music</button>
            </form>
          </span>
        </li>
        {% endfor %}
      </ul>
      {% else %}
      <p class="faint">No audio files yet. Upload one below.</p>
      {% endif %}
    </section>

    <section class="linkout-card stack">
      <h2 class="section-title">Upload audio / video</h2>
      <form method="post" action="/transcriber/upload" enctype="multipart/form-data">
        <div class="form-field">
          <input class="text-input" type="file" name="file" accept="audio/*,video/*,.wav,.mp3,.flac,.m4a,.mp4,.mov,.webm,.mkv" required>
        </div>
        <button class="button button-primary width-full" type="submit">Upload & transcribe</button>
      </form>
      <p class="faint margin-top" style="font: var(--type-caption)">
        Saved to <strong>{{ bucket }}</strong> under <code>audio/…</code>. <strong>MIDI</strong> = Basic Pitch (fast); <strong>Sheet music</strong> = MuScriptor (MIDI+MusicXML+PDF, slower).
      </p>
    </section>
  </div>

  <section class="stack" style="margin-top: var(--space-xxl)">
    <h2 class="section-title">Transcriptions</h2>
    {% if transcriptions %}
    <div class="workspace">
      <ul class="file-list">
        {% for t in transcriptions %}
        <li>
          <span class="file-name" title="{{ t }}">{{ t }}</span>
          <span style="display:flex;gap:8px;align-items:center">
            <a class="button button-utility" href="/transcriber/download?key={{ t }}">Download</a>
            <form method="post" action="/transcriber/delete" style="display:flex">
              <input type="hidden" name="key" value="{{ t }}">
              <button class="button button-utility" type="submit" title="Delete" style="border-color:#b3261e;color:#b3261e">🗑</button>
            </form>
          </span>
        </li>
        {% endfor %}
      </ul>
    </div>
    {% else %}
    <p class="faint">Nothing transcribed yet.</p>
    {% endif %}
  </section>
</div>
<style>
  .tx-spinner { display:inline-block; width:14px; height:14px; border:2px solid #d7d7d7; border-top-color:#8a6d00; border-radius:50%; animation:txspin .7s linear infinite; vertical-align:-2px; margin-right:6px; }
  @keyframes txspin { to { transform: rotate(360deg); } }
</style>
{% if task %}
<script>
  (function () {
    var task = "{{ task }}";
    var box = document.getElementById('txStatus');
    var txt = document.getElementById('txText');
    if (!box || !task) return;
    function poll() {
      fetch('/api/transcriber/status?task=' + encodeURIComponent(task))
        .then(function (r) { return r.json(); })
        .then(function (d) {
          if (d.state === 'SUCCESS') {
            box.style.background = '#e8f7ec'; box.style.color = '#1aae39'; box.style.borderColor = '#b8e6c7';
            txt.textContent = 'Done ✓ — results below.';
            setTimeout(function () { location.reload(); }, 1200);
          } else if (d.state === 'FAILURE') {
            box.style.background = '#fdecec'; box.style.color = '#b3261e'; box.style.borderColor = '#f5c6c4';
            txt.textContent = 'Failed — check the worker logs.';
          } else {
            txt.textContent = 'Transcribing… (' + d.state.toLowerCase() + ')';
            setTimeout(poll, 3000);
          }
        })
        .catch(function () { setTimeout(poll, 5000); });
    }
    poll();
  })();
</script>
{% endif %}
{% endblock %}