{% extends "base.html" %}

{% block title %}Gestión de Ocupación y Métricas - Edu-Space Admin{% endblock %}

{% block extra_css %}
<style>
.kpi-card {
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.07);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.08) !important;
}
.kpi-icon-circle {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}
.metric-bar-container {
    height: 10px;
    border-radius: 6px;
    background-color: var(--bs-tertiary-bg);
    overflow: hidden;
}
.metric-bar-fill {
    width: 0;
    height: 100%;
    border-radius: 6px;
    transition: width 0.6s ease;
}
</style>
{% endblock %}

{% block content %}
<div class="container-fluid pt-5 mt-4">
    <!-- Header -->
    <div class="d-flex flex-column flex-md-row justify-content-between align-items-md-center gap-3 mb-4">
        <div>
            <h1 class="h3 fw-bold mb-1">
                <i class="bi bi-graph-up-arrow text-primary me-2"></i>Gestión de Ocupación y Métricas de Espacios
            </h1>
            <p class="text-muted mb-0 small">
                Analítica institucional de aprovechamiento de aulas físicas, demanda en Campus Virtual y distribución horaria.
            </p>
        </div>
        <div class="d-flex gap-2">
            <a href="/classrooms/list_classrooms" class="btn btn-outline-primary">
                <i class="bi bi-buildings me-1"></i>Aulas Físicas
            </a>
            <a href="/classrooms/list_classrooms" class="btn btn-outline-info">
                <i class="bi bi-globe2 me-1"></i>Campus Virtual (∞)
            </a>
            <a href="/schedule/calendar_view" class="btn btn-outline-secondary">
                <i class="bi bi-calendar-week me-1"></i>Ver Calendario
            </a>
        </div>
    </div>

    <!-- 1. Fila de KPIs Globales de Ocupación -->
    <div class="row g-3 mb-4">
        <!-- Ocupación Hoy -->
        <div class="col-xl-3 col-sm-6">
            <div class="card kpi-card border-0 shadow-sm p-3 h-100">
                <div class="d-flex justify-content-between align-items-start">
                    <div>
                        <span class="text-muted small text-uppercase fw-semibold" style="font-size: 0.72rem;">Tasa de Ocupación Hoy</span>
                        <h2 class="h3 fw-bold mb-0 text-primary mt-1">{{ avg_day_pct }}%</h2>
                    </div>
                    <div class="kpi-icon-circle bg-primary-subtle text-primary">
                        <i class="bi bi-clock-history"></i>
                    </div>
                </div>
                <div class="metric-bar-container mt-3">
                    <div class="metric-bar-fill bg-primary" data-width="{{ avg_day_pct }}%"></div>
                </div>
                <small class="text-muted mt-2 d-block" style="font-size: 0.72rem;">
                    Promedio sobre 15 hs operativas ({{ physical_rooms_count }} aulas presenciales)
                </small>
            </div>
        </div>

        <!-- Ocupación Semana -->
        <div class="col-xl-3 col-sm-6">
            <div class="card kpi-card border-0 shadow-sm p-3 h-100">
                <div class="d-flex justify-content-between align-items-start">
                    <div>
                        <span class="text-muted small text-uppercase fw-semibold" style="font-size: 0.72rem;">Ocupación Semanal</span>
                        <h2 class="h3 fw-bold mb-0 text-info mt-1">{{ avg_week_pct }}%</h2>
                    </div>
                    <div class="kpi-icon-circle bg-info-subtle text-info">
                        <i class="bi bi-calendar-week"></i>
                    </div>
                </div>
                <div class="metric-bar-container mt-3">
                    <div class="metric-bar-fill bg-info" data-width="{{ avg_week_pct }}%"></div>
                </div>
                <small class="text-muted mt-2 d-block" style="font-size: 0.72rem;">
                    Semana en curso (Lunes a Sábado)
                </small>
            </div>
        </div>

        <!-- Ocupación Mensual -->
        <div class="col-xl-3 col-sm-6">
            <div class="card kpi-card border-0 shadow-sm p-3 h-100">
                <div class="d-flex justify-content-between align-items-start">
                    <div>
                        <span class="text-muted small text-uppercase fw-semibold" style="font-size: 0.72rem;">Ocupación del Mes</span>
                        <h2 class="h3 fw-bold mb-0 text-success mt-1">{{ avg_month_pct }}%</h2>
                    </div>
                    <div class="kpi-icon-circle bg-success-subtle text-success">
                        <i class="bi bi-calendar3"></i>
                    </div>
                </div>
                <div class="metric-bar-container mt-3">
                    <div class="metric-bar-fill bg-success" data-width="{{ avg_month_pct }}%"></div>
                </div>
                <small class="text-muted mt-2 d-block" style="font-size: 0.72rem;">
                    Total mes calendario activo
                </small>
            </div>
        </div>

        <!-- Clases Totales Dictadas -->
        <div class="col-xl-3 col-sm-6">
            <div class="card kpi-card border-0 shadow-sm p-3 h-100">
                <div class="d-flex justify-content-between align-items-start">
                    <div>
                        <span class="text-muted small text-uppercase fw-semibold" style="font-size: 0.72rem;">Total Clases en el Mes</span>
                        <h2 class="h3 fw-bold mb-0 text-warning mt-1">{{ total_month_classes }}</h2>
                    </div>
                    <div class="kpi-icon-circle bg-warning-subtle text-warning">
                        <i class="bi bi-mortarboard"></i>
                    </div>
                </div>
                <div class="d-flex gap-2 mt-3 small font-monospace">
                    <span class="badge bg-primary-subtle text-primary border">Físicas: {{ total_month_classes - v_month }}</span>
                    <span class="badge bg-info-subtle text-info border">Virtuales: {{ v_month }}</span>
                </div>
                <small class="text-muted mt-2 d-block" style="font-size: 0.72rem;">
                    Reservas y sesiones registradas en el período
                </small>
            </div>
        </div>
    </div>

    <!-- 2. Detalle y Distribución Espacial -->
    <div class="row g-4 mb-4">
        <!-- Ocupación por Piso / Nivel -->
        <div class="col-lg-6">
            <div class="card border-0 shadow-sm h-100">
                <div class="card-header bg-body-tertiary border-0 py-3 d-flex justify-content-between align-items-center">
                    <h5 class="card-title h6 fw-bold mb-0">
                        <i class="bi bi-layers text-primary me-2"></i>Tasa de Ocupación por Piso / Nivel
                    </h5>
                    <span class="badge bg-secondary-subtle text-secondary border">Presencial</span>
                </div>
                <div class="card-body">
                    <div class="d-flex flex-column gap-3">
                        {% for fs in floor_summary %}
                        <div>
                            <div class="d-flex justify-content-between align-items-center mb-1">
                                <span class="fw-semibold text-body small">
                                    {{ fs.floor }} ({{ fs.count }} aulas)
                                </span>
                                <span class="fw-bold font-monospace small {% if fs.avg_pct > 50 %}text-danger{% elif fs.avg_pct > 25 %}text-warning{% else %}text-success{% endif %}">
                                    {{ fs.avg_pct }}%
                                </span>
                            </div>
                            <div class="metric-bar-container">
                                <div class="metric-bar-fill {% if fs.avg_pct > 50 %}bg-danger{% elif fs.avg_pct > 25 %}bg-warning{% else %}bg-success{% endif %}" 
                                     data-width="{{ fs.avg_pct }}%"></div>
                            </div>
                        </div>
                        {% endfor %}
                    </div>
                </div>
            </div>
        </div>

        <!-- Distribución por Turno -->
        <div class="col-lg-6">
            <div class="card border-0 shadow-sm h-100">
                <div class="card-header bg-body-tertiary border-0 py-3 d-flex justify-content-between align-items-center">
                    <h5 class="card-title h6 fw-bold mb-0">
                        <i class="bi bi-brightness-high text-warning me-2"></i>Distribución de Clases por Turno
                    </h5>
                    <span class="badge bg-secondary-subtle text-secondary border">Mes Completo</span>
                </div>
                <div class="card-body">
                    <div class="row g-2 text-center mb-3">
                        <div class="col-3">
                            <div class="p-2 rounded bg-body-tertiary border">
                                <div class="small text-muted text-uppercase fw-semibold" style="font-size: 0.68rem;">Mañana</div>
                                <div class="h5 fw-bold text-primary mb-0">{{ shift_counts.Mañana }}</div>
                            </div>
                        </div>
                        <div class="col-3">
                            <div class="p-2 rounded bg-body-tertiary border">
                                <div class="small text-muted text-uppercase fw-semibold" style="font-size: 0.68rem;">Tarde</div>
                                <div class="h5 fw-bold text-warning mb-0">{{ shift_counts.Tarde }}</div>
                            </div>
                        </div>
                        <div class="col-3">
                            <div class="p-2 rounded bg-body-tertiary border">
                                <div class="small text-muted text-uppercase fw-semibold" style="font-size: 0.68rem;">Vespertino</div>
                                <div class="h5 fw-bold text-info mb-0">{{ shift_counts.Vespertino }}</div>
                            </div>
                        </div>
                        <div class="col-3">
                            <div class="p-2 rounded bg-body-tertiary border">
                                <div class="small text-muted text-uppercase fw-semibold" style="font-size: 0.68rem;">Noche</div>
                                <div class="h5 fw-bold text-danger mb-0">{{ shift_counts.Noche }}</div>
                            </div>
                        </div>
                    </div>

                    <!-- Campus Virtual Box -->
                    <div class="p-3 rounded bg-primary-subtle border border-primary-subtle">
                        <div class="d-flex justify-content-between align-items-center">
                            <div>
                                <h6 class="fw-bold text-primary mb-1"><i class="bi bi-globe2 me-2"></i>Campus Virtual (A Demanda · ∞)</h6>
                                <p class="small text-muted mb-0">Salas simultáneas sin límite físico de cupo ni colisión.</p>
                            </div>
                            <div class="text-end">
                                <div class="badge bg-primary text-white fs-6">{{ v_month }} clases mes</div>
                                <small class="d-block text-muted mt-1">{{ v_today }} hoy · {{ v_week }} semana</small>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- 3. Top Aulas de Mayor Demanda vs Menor Demanda -->
    <div class="row g-4">
        <!-- Mayor Demanda -->
        <div class="col-lg-6">
            <div class="card border-0 shadow-sm h-100">
                <div class="card-header bg-body-tertiary border-0 py-3">
                    <h5 class="card-title h6 fw-bold mb-0 text-success">
                        <i class="bi bi-arrow-up-circle-fill me-2"></i>Top Aulas con Mayor Demanda y Ocupación
                    </h5>
                </div>
                <div class="table-responsive">
                    <table class="table table-hover align-middle mb-0 small">
                        <thead class="table-light">
                            <tr>
                                <th>Aula</th>
                                <th>Piso</th>
                                <th>Capacidad</th>
                                <th>Ocup. Mes</th>
                                <th class="text-end">Acción</th>
                            </tr>
                        </thead>
                        <tbody>
                            {% for rm in top_rooms %}
                            <tr>
                                <td class="fw-bold text-primary">{{ rm.classroom.code }}</td>
                                <td>{{ rm.classroom.floor_display }}</td>
                                <td>{{ rm.classroom.capacity }} asientos</td>
                                <td>
                                    <span class="badge bg-success-subtle text-success border border-success-subtle font-monospace">
                                        {{ rm.month_pct }}% ({{ rm.month_count }} cl.)
                                    </span>
                                </td>
                                <td class="text-end">
                                    <a href="/schedule/list_reservations" 
                                       class="btn btn-sm btn-outline-primary py-0 px-2" style="font-size: 0.72rem;">
                                        Ver Reservas
                                    </a>
                                </td>
                            </tr>
                            {% endfor %}
                        </tbody>
                    </table>
                </div>
            </div>
        </div>

        <!-- Menor Demanda / Oportunidades -->
        <div class="col-lg-6">
            <div class="card border-0 shadow-sm h-100">
                <div class="card-header bg-body-tertiary border-0 py-3">
                    <h5 class="card-title h6 fw-bold mb-0 text-secondary">
                        <i class="bi bi-arrow-down-circle-fill me-2"></i>Aulas con Mayor Disponibilidad (Menor Uso)
                    </h5>
                </div>
                <div class="table-responsive">
                    <table class="table table-hover align-middle mb-0 small">
                        <thead class="table-light">
                            <tr>
                                <th>Aula</th>
                                <th>Piso</th>
                                <th>Capacidad</th>
                                <th>Ocup. Mes</th>
                                <th class="text-end">Acción</th>
                            </tr>
                        </thead>
                        <tbody>
                            {% for rm in low_rooms %}
                            <tr>
                                <td class="fw-bold text-body">{{ rm.classroom.code }}</td>
                                <td>{{ rm.classroom.floor_display }}</td>
                                <td>{{ rm.classroom.capacity }} asientos</td>
                                <td>
                                    <span class="badge bg-secondary-subtle text-secondary border font-monospace">
                                        {{ rm.month_pct }}% ({{ rm.month_count }} cl.)
                                    </span>
                                </td>
                                <td class="text-end">
                                    <a href="/schedule/add_reservation?classroom_id={{ rm.classroom.id }}" 
                                       class="btn btn-sm btn-outline-success py-0 px-2" style="font-size: 0.72rem;">
                                        Reservar
                                    </a>
                                </td>
                            </tr>
                            {% endfor %}
                        </tbody>
                    </table>
                </div>
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block extra_js %}
<script>
document.addEventListener('DOMContentLoaded', function() {
    document.querySelectorAll('.metric-bar-fill[data-width]').forEach(function(bar) {
        bar.style.width = bar.getAttribute('data-width');
    });
});
</script>
{% endblock %}