{% extends "base.html" %}

{% block title %}Timeline - {{ title }}{% endblock %}

{% block head %}
<style>
:root {
    --hero-bg: {{ background_color }};
    --accent: {{ accent_color }};
}

.page-header {
    background: var(--hero-bg);
    padding: 3rem 0;
    color: white;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.page-header .subtitle {
    opacity: 0.9;
    font-size: 1.1rem;
}

.page-meta {
    margin-top: 1.5rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

.page-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.content-section {
    background: white;
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

/* Timeline styles */
.timeline {
    margin-top: 1rem;
}

.timeline-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 1.5rem;
    padding: 1rem 0;
    border-bottom: 1px solid #f1f5f9;
}

.timeline-item:last-child {
    border-bottom: none;
}

.timeline-date {
    font-weight: 600;
    color: var(--accent);
    font-size: 0.95rem;
    white-space: nowrap;
}

.timeline-description {
    color: #475569;
    line-height: 1.6;
    font-family: Georgia, serif;
}

/* Search/filter for timeline */
.timeline-filter {
    margin-bottom: 1.5rem;
    display: flex;
    gap: 1rem;
    align-items: center;
}

.timeline-filter input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 1rem;
}

.timeline-filter input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.timeline-count {
    color: #64748b;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .timeline-item {
        grid-template-columns: 1fr;
    }
    
    .timeline-date {
        margin-bottom: 0.25rem;
    }
}
</style>
{% endblock %}

{% block body %}
<header>
    <div class="container">
        <a href="{{ base_url }}/main.html" class="logo">{{ emoji }} {{ title }}</a>
        <nav>
            <div class="dropdown">
                <button class="dropdown-toggle active">Overview</button>
                <div class="dropdown-menu">
                    <a href="{{ base_url }}/overview/summary.html">📄 Finding Aid</a>
                    <a href="{{ base_url }}/overview/timeline.html" class="active">📅 Timeline</a>
                    <a href="{{ base_url }}/overview/changes.html">🔄 Key Changes</a>
                    <a href="{{ base_url }}/overview/questions.html">❓ Research Questions</a>
                </div>
            </div>
            {% if enable_browse_dates %}
            <a href="{{ base_url }}/browse/dates.html">Browse by Date</a>
            {% endif %}
            {% if enable_browse_entities %}
            <a href="{{ base_url }}/browse/entities.html">Browse by Entity</a>
            {% endif %}
        </nav>
    </div>
</header>

<section class="page-header">
    <div class="container">
        <h1>📅 Timeline of Events</h1>
        <p class="subtitle">Chronological events from {{ summary.document_count }} documents</p>
        <p class="page-meta">Generated {{ summary.generated_at }} using {{ summary.model }}</p>
    </div>
</section>

<main class="page-content" data-pagefind-ignore>
    <section class="content-section">
        {% if summary.timeline %}
        <div class="timeline-filter">
            <input type="text" id="timeline-search" placeholder="Filter events..." />
            <span class="timeline-count"><span id="visible-count">{{ summary.timeline|length }}</span> of {{ summary.timeline|length }} events</span>
        </div>
        
        <div class="timeline" id="timeline">
            {% for event in summary.timeline %}
            <div class="timeline-item" data-searchable="{{ event.date|lower }} {{ event.description|lower }}">
                <span class="timeline-date">{{ event.date or 'Unknown' }}</span>
                <span class="timeline-description">{{ event.description }}</span>
            </div>
            {% endfor %}
        </div>
        {% else %}
        <p>No timeline events available. Run <code>flatfish summarize</code> to generate them.</p>
        {% endif %}
    </section>
</main>

<footer>
    <div class="container"></div>
</footer>

<script>
document.addEventListener('DOMContentLoaded', function() {
    const searchInput = document.getElementById('timeline-search');
    const timeline = document.getElementById('timeline');
    const visibleCount = document.getElementById('visible-count');
    
    if (searchInput && timeline) {
        searchInput.addEventListener('input', function() {
            const query = this.value.toLowerCase();
            const items = timeline.querySelectorAll('.timeline-item');
            let count = 0;
            
            items.forEach(item => {
                const searchable = item.dataset.searchable || '';
                if (searchable.includes(query)) {
                    item.style.display = '';
                    count++;
                } else {
                    item.style.display = 'none';
                }
            });
            
            if (visibleCount) {
                visibleCount.textContent = count;
            }
        });
    }
});
</script>
{% endblock %}