{% 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 asignaturas, docentes e inscripción de alumnos por comisión</p>
    </div>
    <div class="d-flex gap-2">
      <button type="button" class="btn btn-primary btn-sm px-3 shadow-sm" data-bs-toggle="modal" data-bs-target="#modalAddCommission">
        <i class="bi bi-plus-circle me-1"></i>Nueva Comisión
      </button>
      <a href="/admin/subjects_list" class="btn btn-outline-secondary btn-sm">
        <i class="bi bi-book me-1"></i>Ver Asignaturas
      </a>
    </div>
  </div>

  <!-- Flash Messages & Feedback -->
  {% if created %}
  <div class="alert alert-success alert-dismissible fade show d-flex align-items-center gap-2 mb-4 shadow-sm" role="alert">
    <i class="bi bi-check-circle-fill fs-5 text-success"></i>
    <div>
      <strong>¡Comisión registrada!</strong> La comisión ha sido creada y asociada correctamente a la asignatura elegida.
    </div>
    <button type="button" class="btn-close ms-auto" data-bs-dismiss="alert" aria-label="Close"></button>
  </div>
  {% endif %}


  <!-- 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="/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 text-primary">{{ comm.subject.name }}</div>
                <div class="d-flex align-items-center gap-1 mt-1 flex-wrap">
                  <span class="badge bg-secondary-subtle text-secondary border font-monospace">{{ comm.subject.code }}</span>
                  <span class="badge bg-body-tertiary text-muted border">{{ comm.subject.career_name or 'Carrera General' }}</span>
                  <small class="text-muted ms-1">{{ comm.semester }} {{ comm.year }}</small>
                </div>
              </td>
              <td>
                {% if comm.teachers and comm.teachers | length > 0 %}
                  <div class="d-flex flex-column gap-1">
                    {% for t in comm.teachers %}
                    <div class="d-flex align-items-center gap-1">
                      <span class="badge {% if t.role == 'Titular' %}bg-primary-subtle text-primary border border-primary-subtle{% elif t.role == 'Adjunto' %}bg-info-subtle text-info border border-info-subtle{% elif t.role == 'JTP' %}bg-warning-subtle text-warning border border-warning-subtle{% else %}bg-secondary-subtle text-secondary border{% endif %} py-0 px-1" style="font-size: 0.65rem;">
                        {{ t.role or 'Docente' }}
                      </span>
                      <span class="small text-truncate" style="max-width: 150px;" title="{{ t.name }}">{{ t.name }}</span>
                    </div>
                    {% endfor %}
                  </div>
                {% elif 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[comm.shift] or 'secondary' }}-subtle text-{{ shift_colors[comm.shift] or 'secondary' }} border border-{{ shift_colors[comm.shift] or '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="/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="/admin/commissions_list">
                  <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="/admin/commissions_list">{{ 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="/admin/commissions_list">
                  <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>
        <h5 class="mt-3 fw-bold text-secondary">No se encontraron comisiones</h5>
        <p class="text-muted small">Crea una nueva comisión para asociarla a una materia y asignarle horarios, cupos y docentes.</p>
        <div class="d-flex justify-content-center gap-2 mt-3">
          <button type="button" class="btn btn-primary btn-sm px-3 shadow-sm" data-bs-toggle="modal" data-bs-target="#modalAddCommission">
            <i class="bi bi-plus-circle me-1"></i>Crear Primera Comisión
          </button>
          <a href="/admin/commissions_list" class="btn btn-outline-secondary btn-sm">
            <i class="bi bi-arrow-clockwise me-1"></i>Limpiar filtros
          </a>
        </div>
      </div>
      {% endif %}
    </div>
  </div>
</div>

<!-- Modal: Nueva Comisión y Asociación con Materia -->
<div class="modal fade" id="modalAddCommission" tabindex="-1" aria-labelledby="modalAddCommissionLabel" aria-hidden="true">
  <div class="modal-dialog modal-dialog-centered modal-lg">
    <div class="modal-content border-0 shadow">
      <div class="modal-header bg-body-tertiary border-bottom py-3">
        <h5 class="modal-title fw-bold" id="modalAddCommissionLabel">
          <i class="bi bi-plus-circle text-primary me-2"></i>Nueva Comisión de Cursada
        </h5>
        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
      </div>
      <form action="/admin/commission_add" method="POST">
        <div class="modal-body p-4">
          <div class="alert alert-primary bg-primary-subtle border-primary-subtle py-2 px-3 small d-flex align-items-center gap-2 mb-4">
            <i class="bi bi-info-circle-fill fs-5 text-primary"></i>
            <div>
              Cada comisión debe pertenecer a una <strong>Asignatura</strong> específica para organizar sus horarios, inscripción de alumnos y enlaces de aulas virtuales.
            </div>
          </div>

          <!-- 1. Asignatura y Código -->
          <div class="row g-3 mb-3">
            <div class="col-md-7">
              <label for="add_subject_id" class="form-label fw-semibold small">
                <i class="bi bi-book text-primary me-1"></i>Asignatura / Materia Asociada <span class="text-danger">*</span>
              </label>
              <select class="form-select" id="add_subject_id" name="subject_id" required>
                <option value="">-- Seleccione la materia a vincular... --</option>
                {% for s in subjects %}
                  <option value="{{ s.id }}">
                    {{ s.code }} · {{ s.name }} ({{ s.career_name or s.career or 'Carrera General' }})
                  </option>
                {% endfor %}
              </select>
              <div class="form-text small">La comisión heredará el plan de estudios y carrera de la materia.</div>
            </div>
            <div class="col-md-5">
              <label for="add_code" class="form-label fw-semibold small">
                <i class="bi bi-tag text-secondary me-1"></i>Código / Identificador <span class="text-danger">*</span>
              </label>
              <input type="text" class="form-control" id="add_code" name="code" placeholder="Ej: Comisión A, B, N1, Única" required>
              <div class="form-text small">Identificador visible para docentes y alumnos.</div>
            </div>
          </div>

          <!-- 2. Período, Año y Turno -->
          <div class="row g-3 mb-3">
            <div class="col-md-4">
              <label for="add_semester" class="form-label fw-semibold small">Cuatrimestre / Período</label>
              <select class="form-select form-select-sm" id="add_semester" name="semester">
                <option value="1C" selected>1C (Primer Cuatrimestre)</option>
                <option value="2C">2C (Segundo Cuatrimestre)</option>
                <option value="Anual">Anual</option>
              </select>
            </div>
            <div class="col-md-4">
              <label for="add_year" class="form-label fw-semibold small">Año Académico</label>
              <input type="number" class="form-control form-control-sm" id="add_year" name="year" value="2026" min="2020" max="2035">
            </div>
            <div class="col-md-4">
              <label for="add_shift" class="form-label fw-semibold small">Turno de Cursada</label>
              <select class="form-select form-select-sm" id="add_shift" name="shift">
                <option value="Mañana">Mañana (08:00 - 12:00)</option>
                <option value="Tarde" selected>Tarde (17:30 - 21:30)</option>
                <option value="Vespertino">Vespertino</option>
                <option value="Noche">Noche (19:00 - 23:00)</option>
              </select>
            </div>
          </div>

          <!-- 3. Docente a Cargo y Cupo -->
          <div class="row g-3 mb-3">
            <div class="col-md-8">
              <label for="add_teacher_id" class="form-label fw-semibold small">
                <i class="bi bi-person-video3 text-info me-1"></i>Docente Responsable (Titular)
              </label>
              <select class="form-select form-select-sm" id="add_teacher_id" name="teacher_id">
                <option value="">-- Sin asignar (se puede asignar más tarde) --</option>
                {% for t in teachers %}
                  <option value="{{ t.id }}">{{ t.name }} ({{ t.email }})</option>
                {% endfor %}
              </select>
              <div class="form-text small">Docente titular principal. Podrás agregar más docentes (co-docencia, adjuntos, JTP) desde el detalle de la comisión.</div>
            </div>
            <div class="col-md-4">
              <label for="add_max_students" class="form-label fw-semibold small">Cupo Máximo de Alumnos</label>
              <input type="number" class="form-control form-control-sm" id="add_max_students" name="max_students" value="40" min="1" max="300">
            </div>
          </div>

          <!-- 4. Días y Horarios -->
          <div class="mb-3">
            <label for="add_schedule" class="form-label fw-semibold small">
              <i class="bi bi-calendar-week text-warning me-1"></i>Días y Horarios de Cursada
            </label>
            <input type="text" class="form-control form-control-sm" id="add_schedule" name="schedule" placeholder="Ej: Lun y Mié 17:30 a 21:30 hs">
          </div>

          <!-- 5. Enlace a Aula Virtual -->
          <div class="mb-2">
            <label for="add_virtual_link" class="form-label fw-semibold small">
              <i class="bi bi-camera-video text-primary me-1"></i>Enlace a Aula Virtual (Meet, Zoom, Teams, Moodle)
            </label>
            <input type="url" class="form-control form-control-sm" id="add_virtual_link" name="virtual_link" placeholder="https://meet.google.com/... (opcional, se auto-generará si se omite)">
            <div class="form-text small">Si no se especifica, el sistema creará un enlace institucional directo a Google Meet.</div>
          </div>
        </div>
        <div class="modal-footer bg-body-tertiary border-top py-2">
          <button type="button" class="btn btn-outline-secondary btn-sm" data-bs-dismiss="modal">Cancelar</button>
          <button type="submit" class="btn btn-primary btn-sm px-4 shadow-sm">
            <i class="bi bi-save me-1"></i>Crear y Asociar Comisión
          </button>
        </div>
      </form>
    </div>
  </div>
</div>
{% endblock %}