{% extends "base.html" %}

{% block title %}Recherche{% endblock %}

{% block content %}
<style>
.section-group {
    margin-bottom: 2rem;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    padding: 1.5rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.section-header {
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #007bff;
}

.summary-text {
    margin: 0.5rem 0;
    font-style: italic;
    color: #555;
    line-height: 1.5;
}

.concepts {
    margin-top: 0.5rem;
}

.chunks-list {
    margin-left: 1.5rem;
    margin-top: 1rem;
}

.chunk-item {
    background: white;
    padding: 1rem;
    margin-bottom: 0.75rem;
    border-left: 3px solid #007bff;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    transition: box-shadow 0.2s ease;
}

.chunk-item:hover {
    box-shadow: 0 2px 6px rgba(0,0,0,0.12);
}
</style>
<section class="section">
    <h1>🔍 Recherche sémantique</h1>
    <p class="lead">Posez une question en langage naturel pour trouver des passages pertinents</p>

    <!-- Search form -->
    <div class="search-box">
        <form method="get" action="/search">
            <div class="form-group">
                <label class="form-label" for="q">Votre question</label>
                <input 
                    type="text" 
                    name="q" 
                    id="q" 
                    class="form-control search-input" 
                    value="{{ query }}"
                    placeholder="Ex: Qu'est-ce que la sagesse ? Pourquoi philosopher ?"
                    autofocus
                >
            </div>
            <div class="form-row">
                <div class="form-group">
                    <label class="form-label" for="author">Auteur</label>
                    <select name="author" id="author" class="form-control">
                        <option value="">Tous les auteurs</option>
                        {% if stats and stats.author_list %}
                            {% for author in stats.author_list %}
                                <option value="{{ author }}" {{ 'selected' if author_filter == author else '' }}>{{ author }}</option>
                            {% endfor %}
                        {% endif %}
                    </select>
                </div>
                <div class="form-group">
                    <label class="form-label" for="work">Œuvre</label>
                    <select name="work" id="work" class="form-control">
                        <option value="">Toutes les œuvres</option>
                        {% if stats and stats.work_list %}
                            {% for work in stats.work_list %}
                                <option value="{{ work }}" {{ 'selected' if work_filter == work else '' }}>{{ work }}</option>
                            {% endfor %}
                        {% endif %}
                    </select>
                </div>
                <div class="form-group">
                    <label class="form-label" for="limit">Résultats</label>
                    <select name="limit" id="limit" class="form-control">
                        <option value="5" {{ 'selected' if limit == 5 else '' }}>5</option>
                        <option value="10" {{ 'selected' if limit == 10 else '' }}>10</option>
                        <option value="20" {{ 'selected' if limit == 20 else '' }}>20</option>
                    </select>
                </div>
            </div>
            <div class="form-row">
                <div class="form-group">
                    <label class="form-label" for="sections_limit">Sections (hiérarchique)</label>
                    <select name="sections_limit" id="sections_limit" class="form-control">
                        <option value="3" {{ 'selected' if sections_limit == 3 else '' }}>3 sections</option>
                        <option value="5" {{ 'selected' if sections_limit == 5 else '' }}>5 sections</option>
                        <option value="10" {{ 'selected' if sections_limit == 10 else '' }}>10 sections</option>
                        <option value="20" {{ 'selected' if sections_limit == 20 else '' }}>20 sections</option>
                    </select>
                </div>
                <div class="form-group">
                    <label class="form-label" for="mode">Mode de recherche</label>
                    <select name="mode" id="mode" class="form-control">
                        <option value="" {{ 'selected' if not mode else '' }}>🤖 Auto-détection</option>
                        <option value="simple" {{ 'selected' if mode == 'simple' else '' }}>📄 Simple (1-étape)</option>
                        <option value="hierarchical" {{ 'selected' if mode == 'hierarchical' else '' }}>🌳 Hiérarchique (2-étapes)</option>
                    </select>
                </div>
            </div>
            <div class="mt-2">
                <button type="submit" class="btn btn-primary">Rechercher</button>
                <a href="/search" class="btn" style="margin-left: 0.5rem;">Réinitialiser</a>
            </div>
        </form>
    </div>

    <!-- Results -->
    {% if query %}
        <div class="ornament">·</div>

        {% if results_data %}
            <!-- Mode indicator and stats -->
            <div class="mb-3" style="display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;">
                <div>
                    <strong>{{ results_data.total_chunks }}</strong> passage{% if results_data.total_chunks > 1 %}s{% endif %} trouvé{% if results_data.total_chunks > 1 %}s{% endif %}
                </div>
                <div>
                    {% if results_data.mode == "hierarchical" %}
                        <span class="badge" style="background-color: #28a745; color: white; font-size: 0.9em;">
                            🌳 Recherche hiérarchique ({{ results_data.sections|length }} sections)
                        </span>
                    {% else %}
                        <span class="badge" style="background-color: #6c757d; color: white; font-size: 0.9em;">
                            📄 Recherche simple
                        </span>
                    {% endif %}
                </div>
                {% if author_filter or work_filter %}
                    <div style="flex-grow: 1;"></div>
                    <div>
                        {% if author_filter %}
                            <span class="badge badge-author">{{ author_filter }}</span>
                        {% endif %}
                        {% if work_filter %}
                            <span class="badge badge-work">{{ work_filter }}</span>
                        {% endif %}
                    </div>
                {% endif %}
            </div>

            <!-- Fallback reason warning (when forced hierarchical but no results) -->
            {% if results_data.fallback_reason %}
                <div class="alert" style="background-color: #fff3cd; border: 1px solid #ffc107; color: #856404; padding: 1rem; border-radius: 4px; margin-bottom: 1rem;">
                    <strong>⚠️ Mode hiérarchique forcé :</strong> {{ results_data.fallback_reason }}
                    <br>
                    <small>💡 Essayez une requête sur un sujet présent dans le corpus (ex: "croyance", "signe", "inférence") ou basculez en mode Auto-détection.</small>
                </div>
            {% endif %}

            {% if results_data.results %}

            <!-- Hierarchical display -->
            {% if results_data.mode == "hierarchical" and results_data.sections %}
                {% for section in results_data.sections %}
                    <div class="section-group">
                        <div class="section-header">
                            <h3 style="margin: 0 0 0.5rem 0; font-size: 1.3em;">
                                📂 {{ section.title }}
                                <span class="badge" style="background-color: #007bff; color: white; margin-left: 0.5rem;">{{ section.chunks_count }} passage{% if section.chunks_count > 1 %}s{% endif %}</span>
                                <span class="badge badge-success" style="margin-left: 0.5rem;">⚡ {{ section.similarity }}% similaire</span>
                            </h3>
                            <p class="text-muted" style="margin: 0.25rem 0; font-size: 0.9em;">{{ section.section_path }}</p>
                            {% if section.summary_text %}
                                <p class="summary-text" style="margin: 0.5rem 0; font-style: italic; color: #555;">{{ section.summary_text }}</p>
                            {% endif %}
                            {% if section.concepts %}
                                <div class="concepts" style="margin-top: 0.5rem;">
                                    {% for concept in section.concepts %}
                                        <span class="badge badge-info" style="margin-right: 0.25rem;">{{ concept }}</span>
                                    {% endfor %}
                                </div>
                            {% endif %}
                        </div>

                        <!-- Chunks within this section -->
                        {% if section.chunks %}
                            <div class="chunks-list" style="margin-left: 1.5rem; margin-top: 1rem;">
                                {% for chunk in section.chunks %}
                                    <div class="chunk-item" style="background: white; padding: 1rem; margin-bottom: 0.75rem; border-left: 3px solid #007bff; border-radius: 4px;">
                                        <div style="margin-bottom: 0.5rem;">
                                            <span class="badge badge-success">⚡ {{ chunk.similarity }}% similaire</span>
                                        </div>
                                        <div class="passage-text" style="margin-bottom: 0.5rem;">"{{ chunk.text }}"</div>
                                        <div class="passage-meta" style="font-size: 0.85em; color: #666;">
                                            <strong>Type :</strong> {{ chunk.unitType or '—' }} &nbsp;│&nbsp;
                                            <strong>Langue :</strong> {{ (chunk.language or '—') | upper }} &nbsp;│&nbsp;
                                            <strong>Index :</strong> {{ chunk.orderIndex or '—' }}
                                        </div>
                                        {% if chunk.keywords %}
                                            <div style="margin-top: 0.5rem;">
                                                {% for kw in chunk.keywords %}
                                                    <span class="keyword-tag">{{ kw }}</span>
                                                {% endfor %}
                                            </div>
                                        {% endif %}
                                    </div>
                                {% endfor %}
                            </div>
                        {% endif %}
                    </div>
                {% endfor %}

            <!-- Simple display (original) -->
            {% else %}
                {% for result in results_data.results %}
                <div class="passage-card">
                    <div class="passage-header">
                        <div>
                            <span class="badge badge-work">{{ result.work.title if result.work else '?' }} {{ result.sectionPath or '' }}</span>
                            <span class="badge badge-author">{{ result.work.author if result.work else 'Anonyme' }}</span>
                        </div>
                        {% if result.similarity %}
                            <span class="badge badge-similarity">⚡ {{ result.similarity }}% similaire</span>
                        {% endif %}
                    </div>
                    <div class="passage-text">"{{ result.text }}"</div>
                    <div class="passage-meta">
                        <strong>Type :</strong> {{ result.unitType or '—' }} &nbsp;│&nbsp;
                        <strong>Langue :</strong> {{ (result.language or '—') | upper }} &nbsp;│&nbsp;
                        <strong>Index :</strong> {{ result.orderIndex or '—' }}
                    </div>
                    {% if result.keywords %}
                        <div class="mt-2">
                            {% for kw in result.keywords %}
                                <span class="keyword-tag">{{ kw }}</span>
                            {% endfor %}
                        </div>
                    {% endif %}
                </div>
            {% endfor %}
            {% endif %}
            {% endif %}
        {% else %}
            <div class="empty-state">
                <div class="empty-state-icon">🔮</div>
                <h3>Aucun résultat trouvé</h3>
                <p class="text-muted">Essayez une autre formulation ou modifiez vos filtres.</p>
            </div>
        {% endif %}
    {% else %}
        <!-- Suggestions -->
        <div class="card">
            <h3>💡 Suggestions de recherche</h3>
            <div class="mt-2">
                <p class="mb-2">Voici quelques exemples de questions que vous pouvez poser :</p>
                <div>
                    <a href="/search?q=Qu%27est-ce%20que%20la%20vertu%20%3F" class="badge" style="cursor: pointer;">Qu'est-ce que la vertu ?</a>
                    <a href="/search?q=La%20mort%20est-elle%20%C3%A0%20craindre%20%3F" class="badge" style="cursor: pointer;">La mort est-elle à craindre ?</a>
                    <a href="/search?q=Comment%20atteindre%20le%20bonheur%20%3F" class="badge" style="cursor: pointer;">Comment atteindre le bonheur ?</a>
                    <a href="/search?q=Qu%27est-ce%20que%20la%20justice%20%3F" class="badge" style="cursor: pointer;">Qu'est-ce que la justice ?</a>
                    <a href="/search?q=L%27%C3%A2me%20est-elle%20immortelle%20%3F" class="badge" style="cursor: pointer;">L'âme est-elle immortelle ?</a>
                </div>
            </div>
        </div>
    {% endif %}
</section>
{% endblock %}