{% extends 'base.html' %}
{% block title %}Comisión {{ commission.full_code or commission.code }} — Edu-Space{% endblock %}

{% block content %}
<div class="container-fluid py-4">

  <!-- Breadcrumb -->
  <nav aria-label="breadcrumb" class="mb-3">
    <ol class="breadcrumb small">
      <li class="breadcrumb-item"><a href="/main/dashboard">Inicio</a></li>
      <li class="breadcrumb-item"><a href="/admin/commissions_list">Comisiones</a></li>
      <li class="breadcrumb-item active">{{ commission.full_code or commission.code }}</li>
    </ol>
  </nav>

  <!-- Flash & Action Alerts -->
  {% if error %}
  <div class="alert alert-danger alert-dismissible fade show d-flex align-items-center gap-2 shadow-sm mb-4" role="alert">
    <i class="bi bi-exclamation-triangle-fill fs-5 text-danger flex-shrink-0"></i>
    <div class="small fw-semibold flex-grow-1">{{ error }}</div>
    <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
  </div>
  {% endif %}
  {% if success %}
  <div class="alert alert-success alert-dismissible fade show d-flex align-items-center gap-2 shadow-sm mb-4" role="alert">
    <i class="bi bi-check-circle-fill fs-5 text-success flex-shrink-0"></i>
    <div class="small fw-semibold flex-grow-1">Alumno matriculado exitosamente en la comisión.</div>
    <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
  </div>
  {% endif %}
  {% if unregistered %}
  <div class="alert alert-info alert-dismissible fade show d-flex align-items-center gap-2 shadow-sm mb-4" role="alert">
    <i class="bi bi-info-circle-fill fs-5 text-info flex-shrink-0"></i>
    <div class="small fw-semibold flex-grow-1">El alumno ha sido desvinculado de la comisión.</div>
    <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
  </div>
  {% endif %}
  {% if updated %}
  <div class="alert alert-info alert-dismissible fade show d-flex align-items-center gap-2 shadow-sm mb-4" role="alert">
    <i class="bi bi-info-circle-fill fs-5 text-info flex-shrink-0"></i>
    <div class="small fw-semibold flex-grow-1">Estado de matrícula actualizado correctamente.</div>
    <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
  </div>
  {% endif %}

  <div class="row g-4">
    <!-- Left: Commission Info + Teacher Assignment -->
    <div class="col-12 col-lg-4">

      <!-- Commission Card -->
      <div class="card shadow-sm border-0 mb-4">
        <div class="card-header border-0 bg-primary text-white rounded-top py-3">
          <div class="d-flex align-items-center gap-2">
            <i class="bi bi-diagram-3 fs-4"></i>
            <div>
              <div class="fw-bold font-monospace">{{ commission.full_code or commission.code }}</div>
              <small class="opacity-75">{{ commission.semester }} {{ commission.year }}</small>
            </div>
          </div>
        </div>
        <div class="card-body">
          <h5 class="fw-bold mb-1">{{ commission.subject.name }}</h5>
          <p class="text-muted small mb-3">{{ commission.subject.code }}
            {% if commission.subject.career_obj %}— {{ commission.subject.career_obj.name }}{% endif %}
          </p>

          <div class="d-flex flex-wrap gap-2 mb-3">
            {% if commission.shift %}
              {% set shift_colors = {'Mañana': 'warning', 'Tarde': 'info', 'Vespertino': 'secondary', 'Noche': 'dark'} %}
              <span class="badge bg-{{ shift_colors[commission.shift] or 'secondary' }}-subtle text-{{ shift_colors[commission.shift] or 'secondary' }} border border-{{ shift_colors[commission.shift] or 'secondary' }}-subtle">
                <i class="bi bi-clock me-1"></i>{{ commission.shift }}
              </span>
            {% endif %}
            <span class="badge {% if commission.active %}bg-success-subtle text-success{% else %}bg-secondary-subtle text-secondary{% endif %}">
              {{ 'Activa' if commission.active else 'Inactiva' }}
            </span>
          </div>

          <ul class="list-unstyled small mb-0">
            <li class="d-flex justify-content-between py-1 border-bottom">
              <span class="text-muted">Cupo máximo</span>
              <strong>{{ commission.max_students }}</strong>
            </li>
            <li class="d-flex justify-content-between py-1 border-bottom">
              <span class="text-muted">Inscriptos</span>
              <strong class="{% if (commission.current_students or 0) >= commission.max_students %}text-danger{% else %}text-success{% endif %}">
                {{ commission.current_students or 0 }}
              </strong>
            </li>
            {% if commission.schedule %}
            <li class="d-flex justify-content-between py-1 border-bottom">
              <span class="text-muted">Horario</span>
              <span>{{ commission.schedule }}</span>
            </li>
            {% endif %}
            {% if commission.virtual_link %}
            <li class="py-1">
              <a href="{{ commission.virtual_link }}" target="_blank" class="btn btn-sm btn-outline-info w-100">
                <i class="bi bi-camera-video me-1"></i>Acceso Virtual
              </a>
            </li>
            {% endif %}
          </ul>

          <div class="mt-3 pt-2 border-top">
            <a href="/schedule/gradebook/{{ commission.id }}" class="btn btn-primary btn-sm w-100 shadow-sm d-flex align-items-center justify-content-center gap-2">
              <i class="bi bi-journal-check fs-6"></i>
              <span class="fw-semibold">Libro de Calificaciones (Actas)</span>
            </a>
            {% if commission.grades_closed %}
              <div class="badge bg-danger-subtle text-danger border border-danger-subtle w-100 mt-2 py-2 text-center">
                <i class="bi bi-lock-fill me-1"></i>Acta Cerrada: {{ commission.acta_number }}
              </div>
            {% endif %}
          </div>
        </div>
      </div>

      <!-- Co-Docencia / Equipo Docente -->
      <div class="card shadow-sm border-0">
        <div class="card-header border-0 bg-transparent py-2 d-flex align-items-center justify-content-between">
          <div class="d-flex align-items-center gap-2">
            <i class="bi bi-people-fill text-info"></i>
            <span class="fw-semibold">Equipo Docente / Cátedra</span>
          </div>
          <span class="badge bg-info-subtle text-info border border-info-subtle">
            {{ commission.teachers|length if commission.teachers else (1 if commission.teacher else 0) }} docente(s)
          </span>
        </div>
        <div class="card-body">
          {% if commission.teachers and commission.teachers|length > 0 %}
            <div class="d-flex flex-column gap-2 mb-3">
              {% for t in commission.teachers %}
                <div class="d-flex align-items-center justify-content-between p-2 rounded bg-body-tertiary border">
                  <div class="d-flex align-items-center gap-2 overflow-hidden">
                    <div class="avatar-sm {% if t.role == 'Titular' %}bg-primary{% elif t.role == 'Adjunto' %}bg-info{% else %}bg-secondary{% endif %} rounded-circle text-white d-flex align-items-center justify-content-center" style="width:34px;height:34px;flex-shrink:0;">
                      <i class="bi bi-person-fill small"></i>
                    </div>
                    <div class="text-truncate">
                      <div class="d-flex align-items-center gap-1">
                        <span class="fw-semibold small text-truncate">{{ t.name }}</span>
                        <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>
                      </div>
                      <div class="text-muted text-truncate" style="font-size:.75rem;">{{ t.email or 'Sin email' }}</div>
                    </div>
                  </div>
                  {% if can_edit %}
                  <form method="POST" action="/admin/commission_remove_teacher" class="ms-2 flex-shrink-0" onsubmit="return confirm('¿Quitar a {{ t.name }} de la comisión?');">
                    <input type="hidden" name="id" value="{{ commission.id }}">
                    <input type="hidden" name="teacher_id" value="{{ t.user_id }}">
                    <button type="submit" class="btn btn-outline-danger btn-sm py-0 px-1" title="Quitar de la cátedra">
                      <i class="bi bi-trash" style="font-size: 0.75rem;"></i>
                    </button>
                  </form>
                  {% endif %}
                </div>
              {% endfor %}
            </div>
          {% elif commission.teacher %}
            <div class="d-flex align-items-center justify-content-between p-2 rounded bg-body-tertiary border mb-3">
              <div class="d-flex align-items-center gap-2">
                <div class="avatar-sm bg-primary rounded-circle text-white d-flex align-items-center justify-content-center" style="width:34px;height:34px;flex-shrink:0;">
                  <i class="bi bi-person-fill small"></i>
                </div>
                <div>
                  <div class="fw-semibold small">{{ commission.teacher.name }} <span class="badge bg-primary-subtle text-primary border py-0 px-1" style="font-size:0.65rem;">Titular</span></div>
                  <div class="text-muted" style="font-size:.75rem;">{{ commission.teacher.email }}</div>
                </div>
              </div>
            </div>
          {% else %}
            <div class="alert alert-warning py-2 small mb-3">
              <i class="bi bi-exclamation-triangle me-1"></i>Sin docentes asignados a la comisión.
            </div>
          {% endif %}

          {% if can_edit %}
          <div class="border-top pt-3 mt-2">
            <h6 class="small fw-bold text-muted text-uppercase mb-2">
              <i class="bi bi-person-plus me-1"></i>Agregar Docente a la Cátedra
            </h6>
            <form method="POST" action="/admin/commission_add_teacher" id="add-teacher-form">
              <input type="hidden" name="id" value="{{ commission.id }}">
              <div class="mb-2">
                <label class="form-label small fw-semibold mb-1">Docente</label>
                <select name="teacher_id" class="form-select form-select-sm" required id="teacher-select">
                  <option value="">— Seleccionar Docente —</option>
                  {% for teacher in teachers %}
                    <option value="{{ teacher.id }}">{{ teacher.name }}</option>
                  {% endfor %}
                </select>
              </div>
              <div class="mb-3">
                <label class="form-label small fw-semibold mb-1">Rol en la Cátedra</label>
                <select name="role" class="form-select form-select-sm" required>
                  <option value="Titular">Profesor Titular</option>
                  <option value="Adjunto" selected>Profesor Adjunto</option>
                  <option value="JTP">Jefe de Trabajos Prácticos (JTP)</option>
                  <option value="Ayudante">Ayudante Diplomado / Alumno</option>
                </select>
              </div>
              <button type="submit" class="btn btn-primary btn-sm w-100" id="assign-teacher-btn">
                <i class="bi bi-plus-circle me-1"></i>Asignar a Comisión
              </button>
            </form>
          </div>
          {% endif %}
        </div>
      </div>

    </div>

    <!-- Right: Students -->
    <div class="col-12 col-lg-8">

      <!-- Enrolled Students -->
      <div class="card shadow-sm border-0 mb-4">
        <div class="card-header border-0 bg-transparent py-2 d-flex align-items-center justify-content-between">
          <div class="d-flex align-items-center gap-2">
            <i class="bi bi-mortarboard text-success"></i>
            <span class="fw-semibold">Alumnos Inscriptos</span>
            <span class="badge bg-success-subtle text-success">{{ enrollments | length }}</span>
          </div>
          {% if can_edit %}
          <button class="btn btn-sm btn-success" data-bs-toggle="collapse" data-bs-target="#enroll-form" id="add-student-btn">
            <i class="bi bi-person-plus me-1"></i>Inscribir Alumno
          </button>
          {% endif %}
        </div>

        <!-- Enroll Student Form (collapsible) -->
        {% if can_edit %}
        <div class="collapse" id="enroll-form">
          <div class="card-body border-top bg-success-subtle py-3">
            <form method="POST" action="/admin/commission_enroll_student" id="enroll-student-form">
              <input type="hidden" name="id" value="{{ commission.id }}">
              <div class="row g-2 align-items-end">
                <div class="col-12 col-md-6">
                  <label class="form-label small fw-semibold mb-1">Seleccionar Alumno</label>
                  <select name="student_id" class="form-select form-select-sm" required id="student-select">
                    <option value="">— Elegir alumno —</option>
                    {% for student in students %}
                      {% if student.id not in enrolled_ids %}
                        <option value="{{ student.id }}">{{ student.name }} — {{ student.email }}</option>
                      {% endif %}
                    {% endfor %}
                  </select>
                </div>
                <div class="col-12 col-md-4">
                  <label class="form-label small fw-semibold mb-1">Observaciones (opcional)</label>
                  <input type="text" name="notes" class="form-control form-control-sm" placeholder="Notas…" id="enroll-notes">
                </div>
                <div class="col-12 col-md-2">
                  <button type="submit" class="btn btn-success btn-sm w-100" id="enroll-submit-btn">
                    <i class="bi bi-plus-circle me-1"></i>Inscribir
                  </button>
                </div>
                <!-- Regla de Restricción Diaria - Excepción de Bedelía (Fase 2 MVP) -->
                <div class="col-12 mt-2 pt-2 border-top border-success-subtle">
                  <div class="form-check form-switch">
                    <input class="form-check-input" type="checkbox" name="allow_same_day_exception" value="1" id="sameDayCheck"
                           onchange="document.getElementById('reasonRow').classList.toggle('d-none', !this.checked)">
                    <label class="form-check-label small fw-semibold text-success-emphasis" for="sameDayCheck">
                      <i class="bi bi-shield-check me-1 text-primary"></i>Autorizar excepción de cursada en el mismo día (Bedelía)
                    </label>
                  </div>
                </div>
                <div class="col-12 mt-1 d-none" id="reasonRow">
                  <input type="text" name="exception_reason" class="form-control form-control-sm border-warning"
                         placeholder="Motivo o expediente de excepción de Bedelía (ej: Autorizado por Bedelía Central)..." id="exception-reason-input">
                </div>
              </div>
            </form>
          </div>
        </div>
        {% endif %}

        <div class="card-body p-0">
          {% if enrollments %}
          <div class="table-responsive">
            <table class="table table-hover mb-0 align-middle" id="enrollments-table">
              <thead class="table-light">
                <tr>
                  <th class="ps-3">#</th>
                  <th>Alumno</th>
                  <th class="text-center">Estado</th>
                  <th class="text-center">Fecha Inscripción</th>
                  <th class="text-center">Excepciones</th>
                  <th class="text-center">Notas</th>
                  {% if can_edit %}<th class="text-end pe-3">Acciones</th>{% endif %}
                </tr>
              </thead>
              <tbody>
                {% for e in enrollments %}
                <tr id="enrollment-row-{{ e.student_id }}">
                  <td class="ps-3 text-muted small">{{ loop.index }}</td>
                  <td>
                    <div class="fw-semibold small">{{ e.student.name if e.student else '—' }}</div>
                    <div class="text-muted" style="font-size:.75rem;">{{ e.student.email if e.student else '' }}</div>
                  </td>
                  <td class="text-center">
                    {% set st_colors = {'activo': 'success', 'retirado': 'danger', 'condicional': 'warning'} %}
                    <span class="badge bg-{{ st_colors[e.status] or 'secondary' }}-subtle text-{{ st_colors[e.status] or 'secondary' }} border border-{{ st_colors[e.status] or 'secondary' }}-subtle">
                      {{ e.status | capitalize }}
                    </span>
                  </td>
                  <td class="text-center small text-muted">
                    {{ e.enrolled_at if e.enrolled_at else '—' }}
                  </td>
                  <td class="text-center small">
                    {% if e.allow_same_day_exception %}
                      <span class="badge bg-warning-subtle text-warning border border-warning-subtle py-1 px-2" title="{{ e.exception_reason or 'Excepción autorizada de Bedelía' }}">
                        <i class="bi bi-shield-check me-1"></i>Excepción Diaria
                      </span>
                    {% else %}
                      <span class="text-muted opacity-50">—</span>
                    {% endif %}
                  </td>
                  <td class="text-center small text-muted">{{ e.notes or '—' }}</td>
                  {% if can_edit %}
                  <td class="text-end pe-3">
                    <div class="d-flex gap-1 justify-content-end">
                      <!-- Quick status update -->
                      <form method="POST" action="/admin/commission_update_enrollment" class="d-inline">
                        <input type="hidden" name="id" value="{{ commission.id }}">
                        <input type="hidden" name="student_id" value="{{ e.student_id }}">
                        <select name="status" class="form-select form-select-sm d-inline-block w-auto"
                                onchange="this.form.submit()" title="Cambiar estado"
                                id="status-select-{{ e.student_id }}">
                          <option value="activo" {% if e.status == 'activo' %}selected{% endif %}>Activo</option>
                          <option value="condicional" {% if e.status == 'condicional' %}selected{% endif %}>Condicional</option>
                          <option value="retirado" {% if e.status == 'retirado' %}selected{% endif %}>Retirado</option>
                        </select>
                      </form>
                      <!-- Remove button -->
                      {% set st_display = e.student.name if e.student else 'este alumno' %}
                      <form method="POST" action="/admin/commission_unenroll_student"
                            onsubmit="return confirm('¿Dar de baja a {{ st_display }} de la comisión?')">
                        <input type="hidden" name="id" value="{{ commission.id }}">
                        <input type="hidden" name="student_id" value="{{ e.student_id }}">
                        <button type="submit" class="btn btn-sm btn-outline-danger" title="Dar de baja"
                                id="unenroll-btn-{{ e.student_id }}">
                          <i class="bi bi-person-dash"></i>
                        </button>
                      </form>
                    </div>
                  </td>
                  {% endif %}
                </tr>
                {% endfor %}
              </tbody>
            </table>
          </div>
          {% else %}
          <div class="text-center py-5">
            <i class="bi bi-people display-5 text-muted opacity-40"></i>
            <p class="text-muted mt-3 small">No hay alumnos inscriptos en esta comisión.</p>
            {% if can_edit %}
            <button class="btn btn-outline-success btn-sm" data-bs-toggle="collapse" data-bs-target="#enroll-form">
              <i class="bi bi-person-plus me-1"></i>Inscribir primer alumno
            </button>
            {% endif %}
          </div>
          {% endif %}
        </div>
      </div>

      <!-- Capacity Bar -->
      {% set enrolled_count = enrollments | length %}
      {% set max_students = commission.max_students or 1 %}
      {% set cap_pct = [((enrolled_count / max_students) * 100) | round | int, 100] | min %}
      <div class="card shadow-sm border-0">
        <div class="card-body py-3">
          <div class="d-flex justify-content-between small fw-semibold mb-1">
            <span><i class="bi bi-bar-chart-fill me-1 text-primary"></i>Ocupación del cupo</span>
            <span>{{ enrolled_count }} / {{ max_students }} ({{ cap_pct }}%)</span>
          </div>
          <div class="progress" style="height:10px;">
            <div class="progress-bar {% if cap_pct >= 90 %}bg-danger{% elif cap_pct >= 70 %}bg-warning{% else %}bg-success{% endif %}"
                 {{ ("style=\"width:" ~ cap_pct ~ "%;\"") | safe }} role="progressbar"
                 aria-valuenow="{{ cap_pct }}" aria-valuemin="0" aria-valuemax="100">
            </div>
          </div>
        </div>
      </div>

    </div>
  </div>
</div>
{% endblock %}