{% extends "base.html" %}

{% block title %}Prepare · {{ pending.original_filename }}{% endblock %}

{% block content %}
<section class="card">
  <div class="step-indicator" aria-label="Audiobook workflow">
    <span class="step-indicator__item is-complete">
      <span class="step-indicator__index">1</span>
      <span class="step-indicator__label">Upload</span>
    </span>
    <span class="step-indicator__item is-active">
      <span class="step-indicator__index">2</span>
      <span class="step-indicator__label">Speakers</span>
    </span>
    <span class="step-indicator__item">
      <span class="step-indicator__index">3</span>
      <span class="step-indicator__label">Queue</span>
    </span>
  </div>
  <div class="card__title">Prepare audiobook</div>
  <p class="card__subtitle">Review the detected chapters, tune the speaker roster, and optionally override the voice per chapter before sending the job to the queue.</p>

  {% set analysis = pending.speaker_analysis or {} %}
  {% set analysis_speakers = analysis.get('speakers', {}) %}
  {% set show_analysis_prompt = pending.speaker_mode == 'multi' and not pending.analysis_requested %}
  {% set has_metadata = pending.metadata_tags %}
  {% set roster = pending.speakers or {} %}
  {% set speaker_configs = options.speaker_configs or [] %}
  {% set applied_languages = pending.speaker_voice_languages or analysis.get('config_languages', []) or [] %}
  {% set recommended_template = options.speaker_pronunciation_sentence or "This is {{name}} speaking." %}

  <form method="post" action="{{ url_for('web.finalize_job', pending_id=pending.id) }}" class="prepare-form" id="prepare-form">
    <div class="prepare-summary">
      <div class="prepare-summary__stats">
        <dl>
          <div>
            <dt>Source</dt>
            <dd>{{ pending.original_filename }}</dd>
          </div>
          <div>
            <dt>Language</dt>
            <dd>{{ options.languages.get(pending.language, pending.language|upper) }}</dd>
          </div>
          <div>
            <dt>Default voice</dt>
            <dd>{% if pending.voice_profile %}Profile · {{ pending.voice_profile }}{% else %}{{ pending.voice }}{% endif %}</dd>
          </div>
          <div>
            <dt>Total chapters</dt>
            <dd>{{ pending.chapters|length }}</dd>
          </div>
          <div>
            <dt>Characters</dt>
            <dd>{{ '{:,}'.format(pending.total_characters|default(0)) }}</dd>
          </div>
          <div>
            <dt>Chapter intro delay</dt>
            <dd>{{ '%.1f'|format(pending.chapter_intro_delay) }} seconds</dd>
          </div>
          <div>
            <dt>Chunk granularity</dt>
            <dd>{{ pending.chunk_level|replace('_', ' ')|title }}</dd>
          </div>
          <div>
            <dt>Speaker mode</dt>
            <dd>{{ pending.speaker_mode|replace('_', ' ')|title }}</dd>
          </div>
          <div>
            <dt>Speaker analysis threshold</dt>
            <dd>{{ pending.speaker_analysis_threshold }} {{ 'mention' if pending.speaker_analysis_threshold == 1 else 'mentions' }}</dd>
          </div>
          <div>
            <dt>EPUB 3 package</dt>
            <dd>{% if pending.generate_epub3 %}Enabled{% else %}Disabled{% endif %}</dd>
          </div>
          {% if applied_languages %}
          <div>
            <dt>Config languages</dt>
            <dd>{{ applied_languages | map('upper') | join(', ') }}</dd>
          </div>
          {% endif %}
        </dl>
      </div>
      {% if analysis_speakers or show_analysis_prompt or has_metadata %}
      <div class="prepare-summary__insights">
        {% if analysis_speakers %}
        {% set ordered_ids = analysis.get('ordered_speakers', []) %}
        <div class="prepare-analysis">
          <h2>Detected speakers</h2>
          {% if ordered_ids %}
          <ul>
            {% for sid in ordered_ids %}
              {% set speaker = analysis_speakers.get(sid) %}
              {% if speaker %}
                <li>
                  <strong>{{ speaker.label }}</strong>
                  {% if speaker.gender and speaker.gender != 'unknown' %}
                    · {{ speaker.gender|title }}
                  {% endif %}
                  · {{ speaker.count }} lines · confidence {{ speaker.confidence|title }}
                </li>
              {% endif %}
            {% endfor %}
          </ul>
          {% else %}
          <p>No additional speakers met the threshold yet. All dialogue will use the narrator voice.</p>
          {% endif %}
        </div>
        {% elif show_analysis_prompt %}
        <div class="prepare-analysis">
          <h2>Detected speakers</h2>
          <p>Press <strong>Analyze speakers</strong> after selecting chapters to discover recurring voices.</p>
        </div>
        {% endif %}
        {% if has_metadata %}
        <div class="prepare-metadata">
          <h2>Metadata</h2>
          <ul>
            {% for key, value in pending.metadata_tags.items() %}
              <li><strong>{{ key|replace('_', ' ')|title }}:</strong> {{ value }}</li>
            {% endfor %}
          </ul>
        </div>
        {% endif %}
      </div>
      {% endif %}
    </div>

    {% if error %}
      <div class="alert alert--error">{{ error }}</div>
    {% endif %}
    {% if notice %}
      <div class="alert alert--info">{{ notice }}</div>
    {% endif %}

    <div class="prepare-speaker-config">
      <div class="prepare-speaker-config__header">
        <h2>Speaker configuration</h2>
        <p class="hint">Reuse saved presets to keep character voices consistent between projects.</p>
      </div>
      <div class="prepare-speaker-config__grid">
        <label class="field prepare-speaker-config__field" for="applied_speaker_config">
          <span>Saved preset</span>
          <select id="applied_speaker_config" name="applied_speaker_config">
            <option value="">None</option>
            {% for config in speaker_configs %}
            <option value="{{ config.name }}" {% if pending.applied_speaker_config == config.name %}selected{% endif %}>
              {{ config.name }} · {{ config.speakers|length }} speaker{% if config.speakers|length != 1 %}s{% endif %}
            </option>
            {% endfor %}
          </select>
          <p class="hint">Presets are managed on the <a href="{{ url_for('web.speaker_configs_page') }}">Speakers page</a>.</p>
        </label>
        <div class="prepare-speaker-config__actions">
          <button type="submit"
                  class="button button--ghost"
                  name="apply_speaker_config"
                  value="1"
                  formaction="{{ url_for('web.analyze_pending_job', pending_id=pending.id) }}"
                  formmethod="post"
                  formnovalidate
                  {% if not speaker_configs %}disabled{% endif %}>
            Apply preset
          </button>
          <button type="submit"
                  class="button button--ghost"
                  name="randomize_speaker_config"
                  value="1"
                  formaction="{{ url_for('web.analyze_pending_job', pending_id=pending.id) }}"
                  formmethod="post"
                  formnovalidate
                  {% if not speaker_configs %}disabled{% endif %}>
            Randomize compatible voices
          </button>
          <label class="toggle-pill">
            <input type="checkbox" name="save_speaker_config" value="1">
            <span>Save roster updates back to preset</span>
          </label>
        </div>
      </div>
    </div>

    {% if roster %}
    <div class="prepare-speakers">
      <h2>Speaker settings</h2>
      <p class="hint">Set pronunciations, lock specific voices, or limit the randomizer by language and gender.</p>
      <ul class="speaker-list">
        {% for speaker_id, speaker in roster.items() %}
        {% set spoken_name = speaker.pronunciation or speaker.label %}
        {% set preview_text = recommended_template | replace("{{name}}", spoken_name) %}
        {% set selected_voice = speaker.resolved_voice or speaker.voice %}
        {% set allowed_langs = speaker.config_languages or speaker.languages or [] %}
        {% set seen = namespace(values=[]) %}
        <li class="speaker-list__item" data-speaker-id="{{ speaker_id }}">
          <div class="speaker-line speaker-list__header">
            <span class="speaker-list__name">{{ speaker.label }}</span>
            <button type="button"
                    class="icon-button speaker-list__preview"
                    data-role="speaker-preview"
                    data-speaker-id="{{ speaker_id }}"
                    data-preview-text="{{ preview_text|e }}"
                    data-language="{{ pending.language }}"
                    data-voice="{{ selected_voice or pending.voice }}"
                    data-speed="{{ '%.2f'|format(pending.speed) }}"
                    data-use-gpu="{{ 'true' if pending.use_gpu else 'false' }}"
                    aria-label="Preview pronunciation for {{ speaker.label }}"
                    title="Preview pronunciation">
              🔊
            </button>
          </div>
          <div class="speaker-list__meta">
            {% if speaker.gender and speaker.gender != 'unknown' %}
            <span class="badge badge--info">{{ speaker.gender|title }}</span>
            {% else %}
            <span class="badge badge--muted">Gender unknown</span>
            {% endif %}
            {% if speaker.get('analysis_count') %}
            <span class="badge badge--muted">{{ speaker.analysis_count }} lines · {{ speaker.analysis_confidence|default('low')|title }} confidence</span>
            {% endif %}
          </div>
          <label class="speaker-list__field" for="speaker-{{ speaker_id }}-pronunciation">
            <span>Pronunciation</span>
            <input type="text"
                   id="speaker-{{ speaker_id }}-pronunciation"
                   name="speaker-{{ speaker_id }}-pronunciation"
                   value="{{ speaker.pronunciation or '' }}"
                   placeholder="{{ speaker.label }}">
          </label>
          <div class="speaker-list__controls">
            <label class="speaker-list__field" for="speaker-{{ speaker_id }}-voice">
              <span>Assigned voice</span>
              <select id="speaker-{{ speaker_id }}-voice"
                      name="speaker-{{ speaker_id }}-voice"
                      data-role="speaker-voice"
                      data-default-voice="{{ pending.voice }}"
                      {% if speaker.randomize %}disabled{% endif %}>
                <option value="" {% if not selected_voice %}selected{% endif %}>Use narrator voice ({{ pending.voice }})</option>
                {% if speaker.recommended_voices %}
                <optgroup label="Recommended">
                  {% for voice_id in speaker.recommended_voices[:6] %}
                    {% if voice_id not in seen.values %}
                      {% set voice_meta = options.voice_catalog_map.get(voice_id) or {} %}
                      <option value="{{ voice_id }}" {% if selected_voice == voice_id %}selected{% endif %}>
                        {{ voice_meta.display_name or voice_id }} · {{ voice_meta.language_label or voice_id[0]|upper }} · {{ voice_meta.gender or 'Unknown' }}
                      </option>
                      {% set _ = seen.values.append(voice_id) %}
                    {% endif %}
                  {% endfor %}
                </optgroup>
                {% endif %}
                <optgroup label="All voices">
                  {% for voice in options.voice_catalog %}
                    {% if voice.id not in seen.values %}
                    <option value="{{ voice.id }}"
                            {% if selected_voice == voice.id %}selected{% endif %}>
                      {{ voice.display_name }} · {{ voice.language_label }} · {{ voice.gender }}
                    </option>
                    {% endif %}
                  {% endfor %}
                </optgroup>
              </select>
            </label>
            <div class="speaker-list__inline">
              <label class="toggle-pill">
                <input type="checkbox"
                       name="speaker-{{ speaker_id }}-randomize"
                       value="1"
                       data-role="randomize-toggle"
                       {% if speaker.randomize %}checked{% endif %}>
                <span>Randomize compatible voice on analyze</span>
              </label>
            </div>
            <label class="speaker-list__field" for="speaker-{{ speaker_id }}-languages">
              <span>Allowed languages</span>
              <select id="speaker-{{ speaker_id }}-languages"
                      name="speaker-{{ speaker_id }}-languages"
                      multiple
                      size="4"
                      data-role="speaker-languages"
                      {% if not allowed_langs %}data-placeholder="All languages"{% endif %}>
                {% for code, label in options.languages.items() %}
                  <option value="{{ code }}" {% if code in allowed_langs %}selected{% endif %}>{{ label }}</option>
                {% endfor %}
              </select>
              <p class="hint">When randomizing, voices will be selected from these languages.</p>
            </label>
          </div>
          {% if speaker.recommended_voices %}
          <div class="speaker-list__recommendations">
            <span class="hint">Suggested:</span>
            {% for voice_id in speaker.recommended_voices[:6] %}
              {% set voice_meta = options.voice_catalog_map.get(voice_id) or {} %}
              <button type="button"
                      class="chip"
                      data-role="recommended-voice"
                      data-voice="{{ voice_id }}"
                      title="{{ voice_meta.display_name or voice_id }} · {{ voice_meta.language_label or voice_id[0]|upper }} · {{ voice_meta.gender or 'Unknown' }}">
                {{ voice_meta.display_name or voice_id }}
              </button>
            {% endfor %}
          </div>
          {% endif %}
        </li>
        {% endfor %}
      </ul>
    </div>
    {% endif %}

    <div class="chapter-grid">
      {% for chapter in pending.chapters %}
      {% set is_enabled = chapter.enabled is not defined or chapter.enabled %}
      {% set selected_option = '__default' %}
      {% if chapter.voice_profile %}
        {% set selected_option = 'profile:' ~ chapter.voice_profile %}
      {% elif chapter.voice %}
        {% set selected_option = 'voice:' ~ chapter.voice %}
      {% elif chapter.voice_formula %}
        {% set selected_option = 'formula' %}
      {% endif %}
      <article class="chapter-card" data-role="chapter-row">
        <header class="chapter-card__header">
          <div class="chapter-card__title">
            <label class="chapter-card__checkbox">
              <input type="checkbox" name="chapter-{{ loop.index0 }}-enabled" data-role="chapter-enabled" {% if is_enabled %}checked{% endif %}>
              <span>Chapter {{ loop.index }} · {{ chapter.title }}</span>
            </label>
          </div>
          <div class="chapter-card__metrics">
            {{ '{:,}'.format(chapter.characters) }} characters
          </div>
        </header>
        <div class="chapter-card__body">
          <div class="chapter-card__field">
            <label for="chapter-{{ loop.index0 }}-title">Title</label>
            <input type="text" id="chapter-{{ loop.index0 }}-title" name="chapter-{{ loop.index0 }}-title" value="{{ chapter.title }}">
          </div>
          <div class="chapter-card__preview">
            <details>
              <summary>Preview text</summary>
              <pre>{{ chapter.text[:2000] }}{% if chapter.text|length > 2000 %}…{% endif %}</pre>
            </details>
          </div>
          <div class="chapter-card__field">
            <label for="chapter-{{ loop.index0 }}-voice">Voice override</label>
            <select id="chapter-{{ loop.index0 }}-voice" name="chapter-{{ loop.index0 }}-voice" data-role="voice-select">
              <option value="__default" {% if selected_option == '__default' %}selected{% endif %}>Use job default</option>
              <optgroup label="Voices">
                {% for voice in options.voices %}
                  <option value="voice:{{ voice }}" {% if selected_option == 'voice:' ~ voice %}selected{% endif %}>{{ voice }}</option>
                {% endfor %}
              </optgroup>
              {% if options.voice_profile_options %}
              <optgroup label="Profiles">
                {% for profile in options.voice_profile_options %}
                  <option value="profile:{{ profile.name }}" {% if selected_option == 'profile:' ~ profile.name %}selected{% endif %}>{{ profile.name }}{% if profile.language %} · {{ profile.language|upper }}{% endif %}</option>
                {% endfor %}
              </optgroup>
              {% endif %}
              <option value="formula" {% if selected_option == 'formula' %}selected{% endif %}>Custom formula…</option>
            </select>
            <input type="text" name="chapter-{{ loop.index0 }}-formula" class="chapter-card__formula" data-role="formula-input" placeholder="af_nova*0.4+am_liam*0.6" value="{{ chapter.voice_formula or '' }}" {% if selected_option != 'formula' %}hidden aria-hidden="true"{% else %}aria-hidden="false"{% endif %}>
          </div>
        </div>
      </article>
      {% endfor %}
    </div>

    <div class="prepare-options">
      <div class="field">
        <label for="chunk_level">Chunk granularity</label>
        <select id="chunk_level" name="chunk_level">
          {% for option in options.chunk_levels %}
            <option value="{{ option.value }}" {% if pending.chunk_level == option.value %}selected{% endif %}>{{ option.label }}</option>
          {% endfor %}
        </select>
        <p class="hint">Paragraphs work well for long-form narration; sentences give finer subtitle sync.</p>
      </div>
      <div class="field">
        <label for="speaker_mode">Speaker mode</label>
        <select id="speaker_mode" name="speaker_mode">
          {% for option in options.speaker_modes %}
            <option value="{{ option.value }}" {% if pending.speaker_mode == option.value %}selected{% endif %}>{{ option.label }}</option>
          {% endfor %}
        </select>
      </div>
      <div class="field">
        <label for="speaker_analysis_threshold">Speaker analysis minimum mentions</label>
        <input type="number" min="1" max="25" id="speaker_analysis_threshold" name="speaker_analysis_threshold" value="{{ pending.speaker_analysis_threshold }}">
        <p class="hint">Only speakers that appear at least this many times will keep unique voices in multi-speaker mode.</p>
      </div>
      <div class="field">
        <label for="chapter_intro_delay">Pause after chapter titles (seconds)</label>
        <input type="number" step="0.1" min="0" id="chapter_intro_delay" name="chapter_intro_delay" value="{{ '%.2f'|format(pending.chapter_intro_delay) }}">
        <p class="hint">Set to 0 to disable the pause after speaking each chapter title.</p>
      </div>
      <div class="field field--choices">
        <label class="toggle-pill">
          <input type="checkbox" name="generate_epub3" value="true" {% if pending.generate_epub3 %}checked{% endif %}>
          <span>Generate EPUB 3 (experimental)</span>
        </label>
      </div>
    </div>

    <div class="prepare-actions">
      <button type="submit"
              class="button button--ghost"
              data-role="analyze-button"
              formaction="{{ url_for('web.analyze_pending_job', pending_id=pending.id) }}"
              formmethod="post"
              formnovalidate
              {% if pending.speaker_mode != 'multi' %}hidden aria-hidden="true"{% else %}aria-hidden="false"{% endif %}>
        Analyze speakers
      </button>
      <button type="submit" class="button">Queue conversion</button>
      <button type="submit" class="button button--ghost" form="cancel-form">Cancel</button>
    </div>
  </form>
  <form method="post" action="{{ url_for('web.cancel_pending_job', pending_id=pending.id) }}" id="cancel-form"></form>
</section>
{% endblock %}

{% block scripts %}
  {{ super() }}
  <script type="module" src="{{ url_for('static', filename='speakers.js') }}"></script>
  <script type="module" src="{{ url_for('static', filename='prepare.js') }}"></script>
{% endblock %}