{% extends "base.html" %}
{% block body_class %}themed-bg{% endblock %}

{% block content %}
<div class="container">
  <h1 class="page-title">Statistics</h1>

  <div class="card" style="padding:16px; margin-bottom:16px;">
    <div class="meta-grid">
      <div>
        <div class="meta-label">Total Illustrations</div>
        <div class="subject-title" style="margin:0">{{ total }}</div>
      </div>
      <div>
        <div class="meta-label">Added in last 30 days</div>
        <div class="subject-title" style="margin:0">{{ last30 }}</div>
      </div>
      <div>
        <div class="meta-label">Added in last 365 days</div>
        <div class="subject-title" style="margin:0">{{ last365 }}</div>
      </div>
    </div>
  </div>

  <!-- Sparkline (simple bars) -->
  <div class="card" style="padding:16px; margin-bottom:16px;">
    <div class="meta-label">Adds by Month (last 12)</div>
    <div style="display:flex; align-items:flex-end; gap:6px; height:140px; margin-top:8px;">
      {% for label, value, height in heights %}
        <div title="{{ label }} = {{ value }}"
             style="width:22px; height:{{ height }}px; background:#cfe3f6; border:1px solid #bcd4ee; border-radius:6px;"></div>
      {% endfor %}
    </div>
    <div class="small muted" style="margin-top:6px;">
      {% for label, value in series %}{% if not forloop.last %}{{ label }} · {% else %}{{ label }}{% endif %}{% endfor %}
    </div>
  </div>

  <!-- Top subjects -->
  <div class="card" style="padding:16px; margin-bottom:16px;">
    <div class="meta-label">Top Subjects</div>
    <div style="display:flex; flex-wrap:wrap; gap:8px; margin-top:8px;">
      {% for s in top_subjects %}
        <a
          class="chip chip-link"
          href="{% url 'search' %}?q={{ s.name|urlencode }}&subject=on"
          title="Search subject: {{ s.name }}"
        >
          {{ s.name }} ({{ s.count }})
        </a>
      {% empty %}
        <span class="muted">No subjects.</span>
      {% endfor %}
    </div>
  </div>

  <!-- Scripture usage -->
  <div class="card" style="padding:16px; margin-bottom:16px;">
    <h3 style="margin:0 0 10px;">Scripture Usage</h3>
    <div class="chip" style="margin-bottom:10px;"><strong>Avg. refs per scripture-bearing entry:</strong>&nbsp;{{ avg_refs_per_entry }}</div>

    <div style="display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:16px;">
      <div>
        <h4 style="margin:0 0 6px;">Top 10 Books</h4>
        <ol class="small" style="margin:0; padding-left:18px;">
          {% for book, cnt in top_books %}
            <li><strong>{{ book }}</strong> — {{ cnt }}</li>
          {% empty %}
            <li class="muted">No data yet.</li>
          {% endfor %}
        </ol>
      </div>
      <div>
        <h4 style="margin:0 0 6px;">Top 10 Scriptures</h4>
        <ol class="small" style="margin:0; padding-left:18px;">
          {% for ref, cnt in top_refs %}
            <li>
              <a
                class="chip chip-link"
                href="{% url 'search' %}?q={{ ref|urlencode }}&scripture_raw=on"
                title="Search in Scripture field: {{ ref }}"
              >
                {{ ref }}
              </a> — {{ cnt }}
            </li>
          {% empty %}
            <li class="muted">No data yet.</li>
          {% endfor %}
        </ol>
      </div>
    </div>
  </div>
</div>
{% endblock %}