{% extends "base.html" %}

{% block title %}Reservations Calendar - Edu-Space Admin{% endblock %}

{% block content %}
<div class="container-fluid pt-5 mt-4">
    <!-- Header -->
    <div class="row mb-4 align-items-center">
        <div class="col-md-7">
            <h1 class="h3 mb-1">
                <i class="bi bi-calendar3 text-primary me-2"></i>Reservations Calendar
            </h1>
            <p class="text-muted small mb-0">View & Manage Reservations — Horarios de cursada y asignación de aulas UniCABA</p>
        </div>
        <div class="col-md-5 text-md-end mt-3 mt-md-0">
            {% if user.has_permission('reservations', 'read_write') %}
            <a href="/schedule/add_reservation" class="btn btn-primary me-2">
                <i class="bi bi-plus-circle me-1"></i>Add Reservation
            </a>
            {% endif %}
            <a href="/schedule/list_reservations" class="btn btn-outline-secondary">
                <i class="bi bi-list me-1"></i>List View
            </a>
        </div>
    </div>

    <!-- Filters Toolbar (Classroom & Subject Filters to prevent overlapping) -->
    <div class="card border-0 shadow-sm mb-4">
        <div class="card-body p-3">
            <div class="row g-2 align-items-center">
                <!-- Filter by Classroom -->
                <div class="col-lg-3 col-md-6">
                    <label for="filterClassroom" class="form-label small fw-bold text-muted mb-1">
                        <i class="bi bi-door-open text-success me-1"></i>Aula
                    </label>
                    <select id="filterClassroom" class="form-select form-select-sm">
                        <option value="">Todas las aulas</option>
                        {% for c in classrooms %}
                            <option value="{{ c.id }}">{{ c.code }} ({{ c.building }})</option>
                        {% endfor %}
                    </select>
                </div>

                <!-- Filter by Subject -->
                <div class="col-lg-3 col-md-6">
                    <label for="filterSubject" class="form-label small fw-bold text-muted mb-1">
                        <i class="bi bi-book text-primary me-1"></i>Materia
                    </label>
                    <select id="filterSubject" class="form-select form-select-sm">
                        <option value="">Todas las materias</option>
                        {% for s in subjects %}
                            <option value="{{ s.id }}">{{ s.name }} [{{ s.code }}]</option>
                        {% endfor %}
                    </select>
                </div>

                <!-- Filter by Career -->
                <div class="col-lg-3 col-md-6">
                    <label for="filterCareer" class="form-label small fw-bold text-muted mb-1">
                        <i class="bi bi-mortarboard text-info me-1"></i>Carrera
                    </label>
                    <select id="filterCareer" class="form-select form-select-sm">
                        <option value="">Todas las carreras</option>
                        {% for cr in careers %}
                            <option value="{{ cr.id }}">{{ cr.name }}</option>
                        {% endfor %}
                    </select>
                </div>

                <!-- Filter by Turno (Mañana / Tarde) -->
                <div class="col-lg-3 col-md-6">
                    <label for="filterShift" class="form-label small fw-bold text-muted mb-1">
                        <i class="bi bi-brightness-high text-warning me-1"></i>Turno
                    </label>
                    <select id="filterShift" class="form-select form-select-sm">
                        <option value="">Todos los turnos</option>
                        <option value="Mañana">Turno Mañana</option>
                        <option value="Tarde">Turno Tarde / Vespertino</option>
                    </select>
                </div>
            </div>

            <!-- Second row of filters: Building, Floor & Hide Virtual -->
            <div class="row g-2 align-items-center mt-2 pt-2 border-top">
                <!-- Filter by Building -->
                <div class="col-lg-3 col-md-4">
                    <label for="filterBuilding" class="form-label small fw-bold text-muted mb-1">
                        <i class="bi bi-buildings text-primary me-1"></i>Filtrar por Edificio
                    </label>
                    <select id="filterBuilding" class="form-select form-select-sm">
                        <option value="">Todos los edificios</option>
                        {% for b in buildings %}
                            <option value="{{ b.name }}">{{ b.name }}</option>
                        {% endfor %}
                    </select>
                </div>

                <!-- Filter by Floor -->
                <div class="col-lg-3 col-md-4">
                    <label for="filterFloor" class="form-label small fw-bold text-muted mb-1">
                        <i class="bi bi-layers text-secondary me-1"></i>Filtrar por Piso
                    </label>
                    <select id="filterFloor" class="form-select form-select-sm">
                        <option value="">Todos los pisos</option>
                        {% for f in available_floors %}
                            <option value="{{ f }}">{% if f == '0' or f == 0 or f == 'PB' %}Planta Baja{% else %}Piso {{ f }}{% endif %}</option>
                        {% endfor %}
                    </select>
                </div>

                <!-- Hide Virtual Classrooms Toggle -->
                <div class="col-lg-4 col-md-4 pt-md-3">
                    <div class="form-check form-switch pt-1">
                        <input class="form-check-input" type="checkbox" role="switch" id="filterHideVirtual">
                        <label class="form-check-label fw-semibold small text-dark" for="filterHideVirtual">
                            <i class="bi bi-laptop me-1 text-primary"></i>Ocultar Aulas Virtuales
                        </label>
                    </div>
                </div>

                <!-- Reset Filters Button -->
                <div class="col-lg-2 col-md-12 text-md-end pt-md-3">
                    <button type="button" class="btn btn-outline-secondary btn-sm w-100 w-md-auto" id="btnResetFilters">
                        <i class="bi bi-x-circle me-1"></i>Limpiar
                    </button>
                </div>
            </div>

            <!-- Active filter indicator & counter -->
            <div class="d-flex align-items-center flex-wrap gap-2 mt-2 pt-2 border-top">
                <small class="text-muted fw-semibold">
                    <i class="bi bi-funnel-fill text-secondary me-1"></i>Estado:
                </small>
                <span id="activeFilterBadge" class="badge bg-secondary-subtle text-secondary border small">
                    Mostrando todas las aulas y materias
                </span>
                <span class="badge badge-brand ms-auto small">
                    <i class="bi bi-calendar-check me-1"></i><span id="eventCountNumber">0</span> clases visibles
                </span>
            </div>
        </div>
    </div>

    <!-- Calendar Card -->
    <div class="card border-0 shadow-sm">
        <div class="card-header bg-body-tertiary border-0 py-3">
            <div class="d-flex justify-content-between align-items-center flex-wrap gap-2">
                <div class="d-flex align-items-center gap-3">
                    <span class="fw-bold small text-secondary text-uppercase tracking-wide">
                        <i class="bi bi-info-circle me-1"></i>Referencia:
                    </span>
                    <div class="d-flex align-items-center">
                        <span class="badge badge-brand me-1" style="width: 14px; height: 14px; border-radius: 4px;"></span>
                        <small class="text-muted">Clase Confirmada</small>
                    </div>
                    <div class="d-flex align-items-center">
                        <span class="badge bg-warning me-1" style="width: 14px; height: 14px; border-radius: 4px;"></span>
                        <small class="text-muted">Pendiente</small>
                    </div>
                </div>
                <div class="text-muted small">
                    <i class="bi bi-lightning-charge-fill text-warning me-1"></i>Haz clic en cualquier clase para ver los detalles completos
                </div>
            </div>
        </div>
        
        <div class="card-body p-3">
            <!-- FullCalendar Container -->
            <div id="calendar"></div>
        </div>
    </div>

    <!-- Modal Interactivo al Clic (Estilo Google Calendar Preview & Edición Rápida) -->
    <div class="modal fade" id="eventPreviewModal" tabindex="-1" aria-hidden="true">
        <div class="modal-dialog modal-dialog-centered" style="max-width: 490px;">
            <div class="modal-content border-0 shadow-lg gc-modal-card">
                <!-- Banner Artístico Superior con Botones Rápidos (Estilo Google Calendar) -->
                <div class="gc-modal-banner" id="gcModalBanner">
                    <div class="d-flex justify-content-end align-items-center gap-2 p-2 gc-banner-actions">
                        <a id="btnPreviewEdit" href="#" class="btn btn-sm btn-icon text-white" title="Editar / Ver Ficha">
                            <i class="bi bi-pencil fs-6"></i>
                        </a>
                        {% if user.has_permission('reservations', 'read_write') %}
                        <form id="formPreviewCancel" method="POST" class="d-inline" onsubmit="return confirm('¿Confirma que desea cancelar esta reserva?');">
                            <button type="submit" class="btn btn-sm btn-icon text-white" title="Cancelar Reserva">
                                <i class="bi bi-trash fs-6"></i>
                            </button>
                        </form>
                        {% endif %}
                        <button type="button" class="btn btn-sm btn-icon text-white" data-bs-dismiss="modal" aria-label="Close">
                            <i class="bi bi-x-lg fs-6"></i>
                        </button>
                    </div>
                </div>

                <!-- Contenido de la Tarjeta Google Calendar -->
                <div class="modal-body p-4 pt-3">
                    <!-- Fila Principal con Cuadrado de Color y Título en Grande -->
                    <div class="d-flex align-items-start gap-3 mb-3">
                        <div class="gc-color-box rounded-2 mt-1 shadow-sm" id="gcPreviewColorBox" style="width: 22px; height: 22px; background-color: #B43E8E; flex-shrink: 0;"></div>
                        <div class="flex-grow-1 min-w-0">
                            <h4 class="h5 fw-bold mb-1 text-break text-body" id="previewSubjectName">Nombre de Asignatura</h4>
                            <div class="d-flex align-items-center flex-wrap gap-2">
                                <span class="badge font-monospace bg-secondary-subtle text-secondary border" id="previewSubjectCode">ASIG001</span>
                                <span class="badge" id="previewStatusBadge">Confirmada</span>
                                <span class="badge bg-secondary-subtle text-secondary border d-none" id="previewShiftBadge">Turno Tarde</span>
                            </div>
                        </div>
                    </div>

                    <!-- Lista de Atributos con Iconografía Limpia -->
                    <div class="d-flex flex-column gap-3 ps-2 gc-info-list">
                        <!-- 🕒 Horario y Fecha -->
                        <div class="d-flex align-items-center gap-3">
                            <div class="gc-icon-circle text-muted">
                                <i class="bi bi-clock fs-5"></i>
                            </div>
                            <div>
                                <div class="fw-semibold text-body" id="previewTimeRange">Lunes, 1 de septiembre · 17:30 a 21:30 hs</div>
                                <small class="text-muted" id="previewDateFull">Horario regular de cursada</small>
                            </div>
                        </div>

                        <!-- 📍 Espacio / Aula / Virtual Desglosado -->
                        <div class="d-flex align-items-start gap-3">
                            <div class="gc-icon-circle text-danger mt-1" id="previewLocationIcon">
                                <i class="bi bi-geo-alt fs-5"></i>
                            </div>
                            <div class="flex-grow-1">
                                <div class="d-flex flex-wrap gap-1 mb-1" id="previewLocationBadges">
                                    <span class="badge bg-primary-subtle text-primary border" id="previewBadgeBuilding">🏢 Edificio Central</span>
                                    <span class="badge bg-secondary-subtle text-secondary border" id="previewBadgeFloor">🪜 Piso 3</span>
                                    <span class="badge bg-success-subtle text-success border" id="previewBadgeRoom">🚪 Aula 304</span>
                                </div>
                                <div id="previewVirtualWrapper" class="d-none">
                                    <span class="badge bg-info-subtle text-info border">
                                        <i class="bi bi-camera-video me-1"></i>Campus Virtual UniCABA (Teams / Moodle)
                                    </span>
                                </div>
                                <div id="previewVirtualLinkWrapper" class="d-none mt-2">
                                    <a id="previewVirtualButton" href="#" target="_blank" class="btn btn-sm btn-success d-inline-flex align-items-center">
                                        <i class="bi bi-camera-video me-1"></i>Unirse a Videollamada (Zoom / Meet)
                                    </a>
                                </div>
                            </div>
                        </div>

                        <!-- 👤 Docente, Carrera y Comisión -->
                        <div class="d-flex align-items-center gap-3">
                            <div class="gc-icon-circle text-primary">
                                <i class="bi bi-person fs-5"></i>
                            </div>
                            <div>
                                <div class="fw-semibold text-body" id="previewCareer">Licenciatura en Sistemas</div>
                                <small class="text-muted">
                                    <span id="previewCommission">Comisión 1</span>
                                    <span class="mx-1">·</span>
                                    <span id="previewTeacher">Docente Asignado</span>
                                    <span class="mx-1">·</span>
                                    <span id="previewAttendees">35 estudiantes</span>
                                </small>
                            </div>
                        </div>

                        <!-- 📝 Hito Académico / Detalle -->
                        <div class="d-flex align-items-start gap-3" id="previewNotesSection">
                            <div class="gc-icon-circle text-warning mt-1">
                                <i class="bi bi-flag fs-5"></i>
                            </div>
                            <div>
                                <div class="fw-semibold text-body" id="previewPurpose">Clase Regular</div>
                                <small class="text-muted text-break" id="previewNotes">Sin observaciones adicionales</small>
                            </div>
                        </div>
                    </div>
                </div>

                <!-- Footer de Acciones Rápidas -->
                <div class="modal-footer border-0 p-3 pt-0 d-flex justify-content-between">
                    <div class="d-flex gap-2">
                        <a id="previewFullLink" href="#" class="btn btn-outline-primary btn-sm px-3">
                            <i class="bi bi-box-arrow-up-right me-1"></i>Ver Ficha Completa
                        </a>
                        {% if user.has_permission('reservations', 'read_write') or (user.role and user.role|upper in ['ADMIN', 'BEDELIA']) %}
                        <a id="previewFooterEditLink" href="#" class="btn btn-warning btn-sm px-3">
                            <i class="bi bi-pencil me-1"></i>Modificar Reserva
                        </a>
                        {% endif %}
                    </div>
                    <button type="button" class="btn btn-secondary btn-sm" data-bs-dismiss="modal">
                        Cerrar
                    </button>
                </div>
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block extra_css %}
<link href="https://cdn.jsdelivr.net/npm/fullcalendar@5.11.0/main.min.css" rel="stylesheet">
<style>
    /* ==========================================================================
       Google Calendar Aesthetic & FullCalendar Overrides (Light & Dark)
       ========================================================================== */
    #calendar {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        min-height: 750px;
    }

    .fc .fc-toolbar-title {
        font-size: 1.35rem !important;
        font-weight: 700 !important;
        color: var(--text-primary);
        letter-spacing: -0.2px;
    }

    .fc .fc-button-primary {
        background: var(--gradient-primary, linear-gradient(135deg, #B43E8E 0%, #9E367D 100%)) !important;
        border: none !important;
        border-radius: 6px !important;
        font-weight: 600 !important;
        font-size: 0.85rem !important;
        padding: 0.35rem 0.75rem !important;
        box-shadow: 0 2px 4px rgba(180, 62, 142, 0.25) !important;
    }

    .fc .fc-button-primary:hover {
        background: linear-gradient(135deg, #9E367D 0%, #832765 100%) !important;
    }

    .fc .fc-button-primary:disabled {
        background: #94A3B8 !important;
        opacity: 0.6 !important;
    }

    .fc-theme-standard td, .fc-theme-standard th {
        border-color: rgba(0, 0, 0, 0.08) !important;
    }

    [data-bs-theme="dark"] .fc-theme-standard td,
    [data-bs-theme="dark"] .fc-theme-standard th {
        border-color: rgba(255, 255, 255, 0.08) !important;
    }

    /* Column Headers (Google Calendar Style) */
    .fc .fc-col-header-cell {
        padding: 6px 0 !important;
        background: transparent !important;
    }

    .fc .fc-col-header-cell-cushion {
        color: var(--bs-body-color, #3c4043);
        font-weight: 600;
        font-size: 0.82rem;
        text-decoration: none !important;
        letter-spacing: 0.3px;
    }

    .fc-day-today .fc-col-header-cell-cushion {
        color: #B43E8E !important;
        font-weight: 700 !important;
    }

    /* Slot Lines & Label Height */
    .fc .fc-timegrid-slot {
        height: 28px !important;
    }

    .fc .fc-timegrid-slot-label-cushion {
        color: var(--text-secondary, #64748B);
        font-size: 0.72rem;
        font-weight: 500;
    }

    /* Red Now Indicator Line */
    .fc .fc-timegrid-now-indicator-line {
        border-color: #ea4335 !important;
        border-width: 2px !important;
        z-index: 12 !important;
    }

    .fc .fc-timegrid-now-indicator-arrow {
        border-color: #ea4335 !important;
        border-top-color: transparent !important;
        border-bottom-color: transparent !important;
    }

    /* Base Event Wrapper Overrides */
    .fc-timegrid-event-harness {
        margin: 0 !important;
    }

    .fc-timegrid-event, .fc-daygrid-event {
        background: transparent !important;
        border: none !important;
        box-shadow: none !important;
        padding: 0 !important;
    }

    .fc-event-main {
        padding: 0 !important;
        height: 100% !important;
        display: flex !important;
        flex-direction: column !important;
    }

    /* -------------------------------------------------------------
       Google Calendar Event Pill (.gc-event-pill)
       ------------------------------------------------------------- */
    .gc-event-pill {
        position: relative;
        display: flex;
        height: 100%;
        width: 100%;
        min-height: 26px;
        border-radius: 6px;
        background: rgba(180, 62, 142, 0.12);
        border: 1px solid rgba(180, 62, 142, 0.28);
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
        overflow: hidden;
        cursor: pointer;
        transition: transform 0.12s ease, box-shadow 0.12s ease, filter 0.12s ease;
    }

    .gc-event-pill:hover {
        transform: translateY(-1px) scale(1.01);
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.18);
        z-index: 20 !important;
        filter: brightness(0.97);
    }

    [data-bs-theme="dark"] .gc-event-pill {
        background: rgba(180, 62, 142, 0.22);
        border-color: rgba(180, 62, 142, 0.45);
        box-shadow: 0 1px 4px rgba(0, 0, 0, 0.35);
    }

    [data-bs-theme="dark"] .gc-event-pill:hover {
        filter: brightness(1.2);
    }

    /* Left Accent Stripe */
    .gc-event-stripe {
        width: 4px;
        flex-shrink: 0;
        height: 100%;
        border-top-left-radius: 5px;
        border-bottom-left-radius: 5px;
    }

    /* Event Content Container */
    .gc-event-content {
        flex: 1;
        min-width: 0;
        padding: 2px 5px;
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
        overflow: hidden;
    }

    /* Event Header: Time + Room Badge */
    .gc-event-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 3px;
        line-height: 1.1;
        margin-bottom: 2px;
    }

    .gc-event-time {
        font-size: 0.68rem;
        font-weight: 700;
        color: #7d2662;
        white-space: nowrap;
    }

    [data-bs-theme="dark"] .gc-event-time {
        color: #ffb1d9;
    }

    .gc-event-room {
        font-size: 0.64rem !important;
        font-weight: 600;
        padding: 1px 4px !important;
        border-radius: 4px;
        background-color: rgba(180, 62, 142, 0.20) !important;
        color: #63174c !important;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 70%;
        line-height: 1.2;
    }

    [data-bs-theme="dark"] .gc-event-room {
        background-color: rgba(255, 255, 255, 0.16) !important;
        color: #ffffff !important;
    }

    .gc-event-room.gc-badge-virtual {
        background-color: rgba(99, 102, 241, 0.20) !important;
        color: #4338ca !important;
    }

    [data-bs-theme="dark"] .gc-event-room.gc-badge-virtual {
        background-color: rgba(99, 102, 241, 0.35) !important;
        color: #c7d2fe !important;
    }

    /* Subject Title (Compact with Ellipsis) */
    .gc-event-title {
        font-size: 0.78rem;
        font-weight: 600;
        line-height: 1.18;
        color: #202124;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        letter-spacing: -0.1px;
    }

    [data-bs-theme="dark"] .gc-event-title {
        color: #f8f9fa;
    }

    /* Status Variants */
    .gc-event-pill.status-pending {
        background: rgba(245, 158, 11, 0.12);
        border-color: rgba(245, 158, 11, 0.32);
    }
    .gc-event-pill.status-pending .gc-event-time {
        color: #b45309;
    }
    [data-bs-theme="dark"] .gc-event-pill.status-pending {
        background: rgba(245, 158, 11, 0.22);
    }
    [data-bs-theme="dark"] .gc-event-pill.status-pending .gc-event-time {
        color: #fcd34d;
    }

    .gc-event-pill.status-virtual {
        background: rgba(99, 102, 241, 0.12);
        border-color: rgba(99, 102, 241, 0.30);
    }
    [data-bs-theme="dark"] .gc-event-pill.status-virtual {
        background: rgba(99, 102, 241, 0.22);
    }

    /* -------------------------------------------------------------
       Month View Pill (.gc-month-pill)
       ------------------------------------------------------------- */
    .gc-month-pill {
        display: flex;
        align-items: center;
        gap: 4px;
        padding: 1px 6px;
        margin: 1px 2px;
        border-radius: 4px;
        background: rgba(180, 62, 142, 0.12);
        color: #202124;
        font-size: 0.72rem;
        font-weight: 600;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        cursor: pointer;
        border-left: 3px solid var(--event-color, #B43E8E);
        transition: filter 0.12s ease;
    }

    .gc-month-pill:hover {
        filter: brightness(0.95);
    }

    [data-bs-theme="dark"] .gc-month-pill {
        background: rgba(180, 62, 142, 0.25);
        color: #f1f3f4;
    }

    .gc-month-dot {
        width: 6px;
        height: 6px;
        border-radius: 50%;
        flex-shrink: 0;
    }

    .gc-month-time {
        font-size: 0.68rem;
        font-weight: 700;
        color: #7d2662;
        flex-shrink: 0;
    }

    [data-bs-theme="dark"] .gc-month-time {
        color: #ffb1d9;
    }

    .gc-month-title {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        flex: 1;
    }

    .gc-month-room {
        font-size: 0.64rem;
        color: #5f6368;
        flex-shrink: 0;
    }

    [data-bs-theme="dark"] .gc-month-room {
        color: #9aa0a6;
    }

    /* FullCalendar "+X más" Popover estilo Google Calendar */
    .fc-popover {
        border-radius: 12px !important;
        border: none !important;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22) !important;
        background: var(--bs-body-bg, #ffffff) !important;
        z-index: 1055 !important;
    }

    .fc-popover-header {
        background: var(--bs-tertiary-bg, #f8f9fa) !important;
        padding: 8px 12px !important;
        border-top-left-radius: 12px !important;
        border-top-right-radius: 12px !important;
        font-weight: 700 !important;
        font-size: 0.85rem !important;
    }

    .fc-more-link {
        font-size: 0.72rem !important;
        font-weight: 600 !important;
        color: #B43E8E !important;
        text-decoration: none !important;
        padding: 1px 4px !important;
        border-radius: 3px !important;
    }

    .fc-more-link:hover {
        background-color: rgba(180, 62, 142, 0.12) !important;
    }

    /* -------------------------------------------------------------
       Google Calendar Modal Card (.gc-modal-card)
       ------------------------------------------------------------- */
    .gc-modal-card {
        border-radius: 16px !important;
        overflow: hidden !important;
    }

    .gc-modal-banner {
        height: 80px;
        background: linear-gradient(135deg, #B43E8E 0%, #832765 60%, #4338CA 100%);
        position: relative;
        background-size: cover;
    }

    .gc-modal-banner.banner-virtual {
        background: linear-gradient(135deg, #4338CA 0%, #2563EB 60%, #0284C7 100%);
    }

    .gc-modal-banner.banner-pending {
        background: linear-gradient(135deg, #D97706 0%, #F59E0B 100%);
    }

    .gc-banner-actions .btn-icon {
        width: 32px;
        height: 32px;
        border-radius: 50%;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: rgba(0, 0, 0, 0.28);
        border: none;
        transition: background 0.15s ease, transform 0.15s ease;
    }

    .gc-banner-actions .btn-icon:hover {
        background: rgba(0, 0, 0, 0.50);
        transform: scale(1.05);
    }

    .gc-icon-circle {
        width: 34px;
        height: 34px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--bs-tertiary-bg, #f1f3f4);
        flex-shrink: 0;
    }
</style>
{% endblock %}

{% block extra_js %}
<script src="https://cdn.jsdelivr.net/npm/fullcalendar@5.11.0/main.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/fullcalendar@5.11.0/locales-all.min.js"></script>
<script>
document.addEventListener('DOMContentLoaded', function() {
    var calendarEl = document.getElementById('calendar');
    var currentLang = '{{ session.language or "es" }}';
    var todayDate = '{{ today_date or "2026-09-03" }}';
    
    var filterRoom = document.getElementById('filterClassroom');
    var filterSubj = document.getElementById('filterSubject');
    var filterCar = document.getElementById('filterCareer');
    var filterShift = document.getElementById('filterShift');
    var filterBuilding = document.getElementById('filterBuilding');
    var filterFloor = document.getElementById('filterFloor');
    var filterHideVirtual = document.getElementById('filterHideVirtual');
    var activeBadge = document.getElementById('activeFilterBadge');
    var countEl = document.getElementById('eventCountNumber');

    var days = ['Domingo', 'Lunes', 'Martes', 'Miércoles', 'Jueves', 'Viernes', 'Sábado'];
    var months = ['enero', 'febrero', 'marzo', 'abril', 'mayo', 'junio', 'julio', 'agosto', 'septiembre', 'octubre', 'noviembre', 'diciembre'];

    function updateFilterSummaryBadge() {
        var parts = [];
        if (filterRoom.value && filterRoom.selectedOptions[0]) {
            parts.push('Aula: ' + filterRoom.selectedOptions[0].text.split('(')[0].trim());
        }
        if (filterSubj.value && filterSubj.selectedOptions[0]) {
            parts.push('Materia: ' + filterSubj.selectedOptions[0].text.split('[')[0].trim());
        }
        if (filterCar.value && filterCar.selectedOptions[0]) {
            parts.push('Carrera: ' + filterCar.selectedOptions[0].text.trim());
        }
        if (filterBuilding && filterBuilding.value) {
            parts.push('Edificio: ' + filterBuilding.value);
        }
        if (filterShift && filterShift.value) {
            parts.push('Turno ' + filterShift.value);
        }
        if (filterFloor && filterFloor.value) {
            parts.push(filterFloor.value === '0' ? 'Planta Baja' : 'Piso ' + filterFloor.value);
        }
        if (filterHideVirtual && filterHideVirtual.checked) {
            parts.push('Sin Virtuales');
        }

        if (parts.length > 0) {
            activeBadge.className = 'badge bg-primary text-white border small';
            activeBadge.textContent = parts.join(' | ');
        } else {
            activeBadge.className = 'badge bg-secondary-subtle text-secondary border small';
            activeBadge.textContent = 'Mostrando todas las aulas y materias';
        }
    }
    
    var calendar = new FullCalendar.Calendar(calendarEl, {
        locale: currentLang,
        initialView: 'timeGridWeek',
        initialDate: todayDate,
        allDaySlot: false,
        headerToolbar: {
            left: 'prev,next today',
            center: 'title',
            right: 'dayGridMonth,timeGridWeek,timeGridDay,listWeek'
        },
        eventTimeFormat: {
            hour: '2-digit',
            minute: '2-digit',
            hour12: false
        },
        slotMinTime: '07:00:00',
        slotMaxTime: '23:00:00',
        slotDuration: '00:30:00',
        slotLabelInterval: '01:00:00',
        nowIndicator: true,
        height: 'auto',
        
        /* Manejo de Eventos Simultáneos estilo Google Calendar */
        dayMaxEvents: 3,
        dayMaxEventRows: true,
        eventMaxStack: 3,
        moreLinkClick: 'popover',
        slotEventOverlap: true,
        expandRows: true,
        stickyHeaderDates: true,
        
        /* Dynamic Server-Side Filtered Events */
        events: function(info, successCallback, failureCallback) {
            var params = new URLSearchParams({
                start: info.startStr,
                end: info.endStr,
                classroom_id: filterRoom.value || '',
                subject_id: filterSubj.value || '',
                career_id: filterCar.value || '',
                shift: (filterShift ? filterShift.value : '') || '',
                building: (filterBuilding ? filterBuilding.value : '') || '',
                floor: (filterFloor ? filterFloor.value : '') || '',
                hide_virtual: (filterHideVirtual && filterHideVirtual.checked) ? '1' : ''
            });

            updateFilterSummaryBadge();

            fetch('/schedule/calendar_data?' + params.toString())
                .then(function(response) {
                    if (!response.ok) throw new Error('Network error');
                    return response.json();
                })
                .then(function(eventsData) {
                    if (countEl) {
                        countEl.textContent = eventsData.length;
                    }
                    successCallback(eventsData);
                })
                .catch(function(err) {
                    console.error('Error loading calendar events:', err);
                    failureCallback(err);
                });
        },
        
        /* Diseño de Tarjetas de Evento Estilo Google Calendar */
        eventContent: function(arg) {
            var ext = arg.event.extendedProps || {};
            var subjectName = ext.subject_name || arg.event.title || '';
            var subjectCode = ext.subject_code || '';
            var classroom = ext.classroom || '';
            var isVirtual = ext.is_virtual || false;
            var timeText = arg.timeText || '';
            var status = (ext.status || 'CONFIRMED').toUpperCase();
            var isMonthView = arg.view.type === 'dayGridMonth';

            var eventColor = '#B43E8E';
            if (status === 'PENDING') {
                eventColor = '#F59E0B';
            } else if (isVirtual) {
                eventColor = '#6366F1';
            }

            // Vista de Mes: Píldora Google Calendar Compacta
            if (isMonthView) {
                var monthPill = document.createElement('div');
                monthPill.className = 'gc-month-pill ' + (isVirtual ? 'gc-month-virtual' : '');
                monthPill.style.setProperty('--event-color', eventColor);
                monthPill.title = subjectName + (classroom ? ' · ' + classroom : '');
                
                var startHour = timeText ? timeText.split(' - ')[0] : '';
                monthPill.innerHTML = `
                    <span class="gc-month-dot" style="background-color: ${eventColor};"></span>
                    ${startHour ? `<span class="gc-month-time">${startHour}</span>` : ''}
                    <span class="gc-month-title">${subjectName}</span>
                    <span class="gc-month-room">${isVirtual ? '<i class="bi bi-camera-video"></i>' : classroom}</span>
                `;
                return { domNodes: [monthPill] };
            }

            // Vista Semanal / Diaria: Tarjeta Píldora con Franja Lateral y Acento
            var pill = document.createElement('div');
            pill.className = 'gc-event-pill ' + (status === 'PENDING' ? 'status-pending' : '') + (isVirtual ? ' status-virtual' : '');
            pill.style.setProperty('--event-color', eventColor);
            pill.title = subjectName + (classroom ? ' - ' + classroom : '');

            var stripe = `<div class="gc-event-stripe" style="background-color: ${eventColor};"></div>`;
            var startHourOnly = timeText ? timeText.split(' - ')[0] : '';
            var roomBadge = classroom ? `
                <span class="gc-event-room badge ${isVirtual ? 'gc-badge-virtual' : ''}">
                    <i class="bi ${isVirtual ? 'bi-camera-video' : 'bi-door-open'} me-1"></i>${classroom}
                </span>` : '';

            var header = `
                <div class="gc-event-header">
                    <span class="gc-event-time">${startHourOnly}</span>
                    ${roomBadge}
                </div>`;
            var title = `<div class="gc-event-title" title="${subjectName}">${subjectName}</div>`;

            pill.innerHTML = stripe + `<div class="gc-event-content">${header}${title}</div>`;
            return { domNodes: [pill] };
        },

        /* Intercepción de Clic: Popover / Modal Flotante de Vista Previa Google Calendar */
        eventClick: function(info) {
            info.jsEvent.preventDefault();
            var ext = info.event.extendedProps || {};
            var subjectName = ext.subject_name || info.event.title || 'Asignatura';
            var subjectCode = ext.subject_code || '-';
            var classroom = ext.classroom || 'Sin Aula Asignada';
            var building = ext.building || 'Edificio Central';
            var career = ext.career || 'Tecnicatura / Licenciatura UniCABA';
            var status = (ext.status || 'CONFIRMED').toUpperCase();
            var isVirtual = ext.is_virtual || false;
            var teacher = ext.teacher || 'Docente Responsable';
            var commission = ext.commission ? `Comisión ${ext.commission}` : 'Comisión Regular';
            var attendees = ext.attendees || 0;
            var purpose = ext.purpose || 'Clase Regular';
            var notes = ext.notes || 'Sin observaciones registradas';
            var shift = ext.shift || '';

            var eventColor = '#B43E8E';
            var bannerClass = 'gc-modal-banner';
            if (status === 'PENDING') {
                eventColor = '#F59E0B';
                bannerClass += ' banner-pending';
            } else if (isVirtual) {
                eventColor = '#6366F1';
                bannerClass += ' banner-virtual';
            }

            // Actualizar Banner y Color Box
            var bannerEl = document.getElementById('gcModalBanner');
            if (bannerEl) bannerEl.className = bannerClass;
            
            var colorBox = document.getElementById('gcPreviewColorBox');
            if (colorBox) colorBox.style.backgroundColor = eventColor;

            // Textos Principales
            document.getElementById('previewSubjectName').textContent = subjectName;
            document.getElementById('previewSubjectCode').textContent = subjectCode;

            // Badges
            var statusBadge = document.getElementById('previewStatusBadge');
            if (statusBadge) {
                if (status === 'CONFIRMED') {
                    statusBadge.className = 'badge bg-success-subtle text-success border border-success-subtle';
                    statusBadge.textContent = 'Confirmada';
                } else if (status === 'PENDING') {
                    statusBadge.className = 'badge bg-warning-subtle text-warning border border-warning-subtle';
                    statusBadge.textContent = 'Pendiente';
                } else {
                    statusBadge.className = 'badge bg-secondary-subtle text-secondary border';
                    statusBadge.textContent = status;
                }
            }

            var shiftBadge = document.getElementById('previewShiftBadge');
            if (shiftBadge) {
                if (shift) {
                    shiftBadge.textContent = 'Turno ' + shift;
                    shiftBadge.classList.remove('d-none');
                } else {
                    shiftBadge.classList.add('d-none');
                }
            }

            // Horario Formateado
            if (info.event.start) {
                var start = info.event.start;
                var end = info.event.end;
                var dayName = days[start.getDay()];
                var dayNum = start.getDate();
                var monthName = months[start.getMonth()];
                var startTime = start.toLocaleTimeString([], {hour: '2-digit', minute:'2-digit', hour12: false});
                var endTime = end ? end.toLocaleTimeString([], {hour: '2-digit', minute:'2-digit', hour12: false}) : '';
                document.getElementById('previewTimeRange').textContent = `${dayName}, ${dayNum} de ${monthName} · ${startTime}${endTime ? ' a ' + endTime + ' hs' : ''}`;
                document.getElementById('previewDateFull').textContent = `Horario académico registrado`;
            }

            // Espacio Asignado Desglosado con Badges
            var locIcon = document.getElementById('previewLocationIcon');
            var virtualWrap = document.getElementById('previewVirtualWrapper');
            var badgeB = document.getElementById('previewBadgeBuilding');
            var badgeF = document.getElementById('previewBadgeFloor');
            var badgeR = document.getElementById('previewBadgeRoom');

            if (isVirtual) {
                if (locIcon) locIcon.innerHTML = '<i class="bi bi-camera-video fs-5 text-primary"></i>';
                if (badgeB) badgeB.textContent = '🏢 Campus Virtual';
                if (badgeF) badgeF.textContent = '🪜 Remoto';
                if (badgeR) badgeR.textContent = '🚪 ' + classroom;
                if (virtualWrap) virtualWrap.classList.remove('d-none');
            } else {
                if (locIcon) locIcon.innerHTML = '<i class="bi bi-geo-alt fs-5 text-danger"></i>';
                if (badgeB) badgeB.textContent = '🏢 ' + (building || 'Edificio Central');
                if (badgeF) badgeF.textContent = '🪜 ' + (ext.floor || 'Planta Baja');
                if (badgeR) badgeR.textContent = '🚪 ' + classroom;
                if (virtualWrap) virtualWrap.classList.add('d-none');
            }

            // Enlace de Aula Virtual / Videollamada
            var vLink = ext.virtual_link;
            var vBtnWrap = document.getElementById('previewVirtualLinkWrapper');
            var vBtn = document.getElementById('previewVirtualButton');
            if (vLink && vBtnWrap && vBtn) {
                vBtn.href = vLink;
                vBtnWrap.classList.remove('d-none');
            } else if (vBtnWrap) {
                vBtnWrap.classList.add('d-none');
            }

            // Carrera, Comisión, Docente y Asistentes
            document.getElementById('previewCareer').textContent = career;
            document.getElementById('previewCommission').textContent = commission;
            document.getElementById('previewTeacher').textContent = teacher;
            document.getElementById('previewAttendees').textContent = `${attendees} estudiantes esperados`;

            // Hito / Notas
            document.getElementById('previewPurpose').textContent = purpose;
            document.getElementById('previewNotes').textContent = notes;

            // Enlaces y Acciones
            var detailUrl = info.event.url || ('/schedule/reservation/' + info.event.id + '/view');
            var editUrl = '/schedule/reservation/' + info.event.id + '/edit';
            var fullLink = document.getElementById('previewFullLink');
            if (fullLink) fullLink.href = detailUrl;

            var editBtn = document.getElementById('btnPreviewEdit');
            if (editBtn) editBtn.href = editUrl;

            var footerEditBtn = document.getElementById('previewFooterEditLink');
            if (footerEditBtn) footerEditBtn.href = editUrl;

            var cancelForm = document.getElementById('formPreviewCancel');
            if (cancelForm) {
                cancelForm.action = ext.cancel_url || ('/schedule/cancel/' + info.event.id);
            }

            // Mostrar Modal Google Calendar
            var modal = new bootstrap.Modal(document.getElementById('eventPreviewModal'));
            modal.show();
        }
    });
    
    calendar.render();

    // Event listeners to trigger immediate calendar refetch on filter change
    filterRoom.addEventListener('change', function() {
        calendar.refetchEvents();
    });

    filterSubj.addEventListener('change', function() {
        calendar.refetchEvents();
    });

    filterCar.addEventListener('change', function() {
        calendar.refetchEvents();
    });

    if (filterShift) {
        filterShift.addEventListener('change', function() {
            calendar.refetchEvents();
        });
    }

    if (filterBuilding) {
        filterBuilding.addEventListener('change', function() {
            calendar.refetchEvents();
        });
    }

    if (filterFloor) {
        filterFloor.addEventListener('change', function() {
            calendar.refetchEvents();
        });
    }

    if (filterHideVirtual) {
        filterHideVirtual.addEventListener('change', function() {
            calendar.refetchEvents();
        });
    }

    document.getElementById('btnResetFilters').addEventListener('click', function() {
        filterRoom.value = '';
        filterSubj.value = '';
        filterCar.value = '';
        if (filterShift) filterShift.value = '';
        if (filterBuilding) filterBuilding.value = '';
        if (filterFloor) filterFloor.value = '';
        if (filterHideVirtual) filterHideVirtual.checked = false;
        calendar.refetchEvents();
    });
});
</script>
{% endblock %}