{% extends 'base.html' %}
{% block title %}Gestión de Comisiones — Edu-Space{% endblock %}

{% block content %}
<div class="container-fluid py-4">
  <!-- Header -->
  <div class="d-flex align-items-center justify-content-between mb-4 flex-wrap gap-2">
    <div>
      <h1 class="h3 fw-bold mb-1">
        <i class="bi bi-diagram-3 me-2 text-primary"></i>Gestión de Comisiones
      </h1>
      <p class="text-muted mb-0 small">Asignación de docentes e inscripción de alumnos por comisión</p>
    </div>
    <a href="{{ url_for('admin.subjects_list') }}" class="btn btn-outline-secondary btn-sm">
      <i class="bi bi-book me-1"></i>Ver Asignaturas
    </a>
  </div>

  <!-- Flash Messages -->
  {% with messages = get_flashed_messages(with_categories=true) %}
    {% if messages %}
      {% for category, message in messages %}
        <div class="alert alert-{{ 'danger' if category == 'error' else category }} alert-dismissible fade show" role="alert">
          {{ message }}
          <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
        </div>
      {% endfor %}
    {% endif %}
  {% endwith %}

  <!-- Filters Card -->
  <div class="card shadow-sm border-0 mb-4">
    <div class="card-body py-3">
      <form method="GET" class="row g-2 align-items-end" id="filter-form">
        <div class="col-12 col-md-3">
          <label class="form-label small fw-semibold mb-1">Buscar</label>
          <div class="input-group input-group-sm">
            <span class="input-group-text"><i class="bi bi-search"></i></span>
            <input type="text" name="search" class="form-control" placeholder="Código o asignatura…"
                   value="{{ search or '' }}" id="search-input">
          </div>
        </div>
        <div class="col-6 col-md-3">
          <label class="form-label small fw-semibold mb-1">Asignatura</label>
          <select name="subject_id" class="form-select form-select-sm" id="subject-filter">
            <option value="">Todas</option>
            {% for subj in subjects %}
              <option value="{{ subj.id }}" {% if subject_filter == subj.id %}selected{% endif %}>
                {{ subj.name }}
              </option>
            {% endfor %}
          </select>
        </div>
        <div class="col-6 col-md-2">
          <label class="form-label small fw-semibold mb-1">Turno</label>
          <select name="shift" class="form-select form-select-sm" id="shift-filter">
            <option value="">Todos</option>
            {% for shift in ['Mañana', 'Tarde', 'Vespertino', 'Noche'] %}
              <option value="{{ shift }}" {% if shift_filter == shift %}selected{% endif %}>{{ shift }}</option>
            {% endfor %}
          </select>
        </div>
        <div class="col-6 col-md-2">
          <label class="form-label small fw-semibold mb-1">Estado</label>
          <select name="active" class="form-select form-select-sm" id="active-filter">
            <option value="true" {% if active_filter == 'true' %}selected{% endif %}>Activas</option>
            <option value="false" {% if active_filter == 'false' %}selected{% endif %}>Inactivas</option>
            <option value="" {% if not active_filter %}selected{% endif %}>Todas</option>
          </select>
        </div>
        <div class="col-6 col-md-2 d-flex gap-2">
          <button type="submit" class="btn btn-primary btn-sm flex-fill" id="filter-btn">
            <i class="bi bi-funnel me-1"></i>Filtrar
          </button>
          <a href="{{ url_for('admin.commissions_list') }}" class="btn btn-outline-secondary btn-sm">
            <i class="bi bi-x"></i>
          </a>
        </div>
      </form>
    </div>
  </div>

  <!-- Commissions Table -->
  <div class="card shadow-sm border-0">
    <div class="card-header bg-transparent border-bottom d-flex align-items-center justify-content-between py-2">
      <span class="fw-semibold small">
        <i class="bi bi-list-ul me-1 text-primary"></i>
        {{ pagination.total }} comisión(es) encontrada(s)
      </span>
      <span class="badge bg-primary-subtle text-primary">Página {{ pagination.page }} / {{ pagination.pages or 1 }}</span>
    </div>
    <div class="card-body p-0">
      {% if commissions %}
      <div class="table-responsive">
        <table class="table table-hover mb-0 align-middle" id="commissions-table">
          <thead class="table-light">
            <tr>
              <th class="ps-3">Comisión</th>
              <th>Asignatura</th>
              <th>Docente</th>
              <th class="text-center">Turno</th>
              <th class="text-center">Alumnos</th>
              <th class="text-center">Estado</th>
              <th class="text-end pe-3">Acción</th>
            </tr>
          </thead>
          <tbody>
            {% for comm in commissions %}
            <tr>
              <td class="ps-3">
                <span class="badge bg-primary-subtle text-primary fw-semibold font-monospace">
                  {{ comm.get_full_code() }}
                </span>
              </td>
              <td>
                <div class="fw-semibold">{{ comm.subject.name }}</div>
                <small class="text-muted">{{ comm.subject.code }} — {{ comm.semester }} {{ comm.year }}</small>
              </td>
              <td>
                {% if comm.teacher %}
                  <div class="d-flex align-items-center gap-2">
                    <div class="avatar-xs bg-info-subtle rounded-circle d-flex align-items-center justify-content-center" style="width:28px;height:28px;">
                      <i class="bi bi-person-video3 small text-info"></i>
                    </div>
                    <span class="small">{{ comm.teacher.name }}</span>
                  </div>
                {% else %}
                  <span class="text-muted small fst-italic"><i class="bi bi-exclamation-circle me-1 text-warning"></i>Sin asignar</span>
                {% endif %}
              </td>
              <td class="text-center">
                {% if comm.shift %}
                  {% set shift_colors = {'Mañana': 'warning', 'Tarde': 'info', 'Vespertino': 'secondary', 'Noche': 'dark'} %}
                  <span class="badge bg-{{ shift_colors.get(comm.shift, 'secondary') }}-subtle text-{{ shift_colors.get(comm.shift, 'secondary') }} border border-{{ shift_colors.get(comm.shift, 'secondary') }}-subtle">
                    {{ comm.shift }}
                  </span>
                {% else %}
                  <span class="text-muted small">—</span>
                {% endif %}
              </td>
              <td class="text-center">
                <span class="fw-semibold">{{ comm.current_students or 0 }}</span>
                <span class="text-muted small">/ {{ comm.max_students }}</span>
              </td>
              <td class="text-center">
                {% if comm.active %}
                  <span class="badge bg-success-subtle text-success border border-success-subtle">Activa</span>
                {% else %}
                  <span class="badge bg-secondary-subtle text-secondary border border-secondary-subtle">Inactiva</span>
                {% endif %}
              </td>
              <td class="text-end pe-3">
                <a href="{{ url_for('admin.commission_detail', id=comm.id) }}"
                   class="btn btn-sm btn-outline-primary" title="Ver y gestionar comisión">
                  <i class="bi bi-gear me-1"></i>Gestionar
                </a>
              </td>
            </tr>
            {% endfor %}
          </tbody>
        </table>
      </div>

      <!-- Pagination -->
      {% if pagination.pages > 1 %}
      <div class="d-flex justify-content-center py-3">
        <nav>
          <ul class="pagination pagination-sm mb-0">
            {% if pagination.has_prev %}
              <li class="page-item">
                <a class="page-link" href="{{ url_for('admin.commissions_list', page=pagination.prev_num, search=search, subject_id=subject_filter, shift=shift_filter, active=active_filter) }}">
                  <i class="bi bi-chevron-left"></i>
                </a>
              </li>
            {% endif %}
            {% for pg in pagination.iter_pages(left_edge=1, right_edge=1, left_current=2, right_current=2) %}
              {% if pg %}
                <li class="page-item {% if pg == pagination.page %}active{% endif %}">
                  <a class="page-link" href="{{ url_for('admin.commissions_list', page=pg, search=search, subject_id=subject_filter, shift=shift_filter, active=active_filter) }}">{{ pg }}</a>
                </li>
              {% else %}
                <li class="page-item disabled"><span class="page-link">…</span></li>
              {% endif %}
            {% endfor %}
            {% if pagination.has_next %}
              <li class="page-item">
                <a class="page-link" href="{{ url_for('admin.commissions_list', page=pagination.next_num, search=search, subject_id=subject_filter, shift=shift_filter, active=active_filter) }}">
                  <i class="bi bi-chevron-right"></i>
                </a>
              </li>
            {% endif %}
          </ul>
        </nav>
      </div>
      {% endif %}

      {% else %}
      <div class="text-center py-5">
        <i class="bi bi-diagram-3 display-4 text-muted opacity-50"></i>
        <p class="mt-3 text-muted">No se encontraron comisiones con los filtros aplicados.</p>
        <a href="{{ url_for('admin.commissions_list') }}" class="btn btn-outline-primary btn-sm">
          <i class="bi bi-arrow-clockwise me-1"></i>Limpiar filtros
        </a>
      </div>
      {% endif %}
    </div>
  </div>
</div>
{% endblock %}