{% extends "base.html" %}

{% block title %}{% trans %}Dashboard - Edu-Space Admin{% endtrans %}{% endblock %}

{% block content %}
{% if current_user.is_authenticated %}
<div class="container-fluid pt-5 mt-4">
{% endif %}
<div class="row mb-4">
    <div class="col-12">
        <h1 class="h3 mb-0">
            <i class="bi bi-speedometer2 text-primary"></i> {% trans %}Dashboard{% endtrans %}
            <small class="text-muted ms-2">{% trans %}Overview{% endtrans %}</small>
        </h1>
    </div>
</div>

<!-- Statistics Cards -->
<div class="row mb-4">
    <div class="col-md-3 mb-3">
        <div class="card border-0 shadow-sm">
            <div class="card-body">
                <div class="d-flex justify-content-between align-items-center">
                    <div>
                        <h6 class="text-muted mb-2">{% trans %}Total Classrooms{% endtrans %}</h6>
                        <h2 class="mb-0">{{ stats.total_classrooms }}</h2>
                    </div>
                    <div class="bg-primary bg-opacity-10 rounded-circle p-3">
                        <i class="bi bi-door-open text-primary fs-4"></i>
                    </div>
                </div>
            </div>
        </div>
    </div>
    
    <div class="col-md-3 mb-3">
        <div class="card border-0 shadow-sm">
            <div class="card-body">
                <div class="d-flex justify-content-between align-items-center">
                    <div>
                        <h6 class="text-muted mb-2">{% trans %}Total Subjects{% endtrans %}</h6>
                        <h2 class="mb-0">{{ stats.total_subjects }}</h2>
                    </div>
                    <div class="bg-success bg-opacity-10 rounded-circle p-3">
                        <i class="bi bi-book text-success fs-4"></i>
                    </div>
                </div>
            </div>
        </div>
    </div>
    
    <div class="col-md-3 mb-3">
        <div class="card border-0 shadow-sm">
            <div class="card-body">
                <div class="d-flex justify-content-between align-items-center">
                    <div>
                        <h6 class="text-muted mb-2">{% trans %}Today's Reservations{% endtrans %}</h6>
                        <h2 class="mb-0">{{ stats.today_reservations }}</h2>
                    </div>
                    <div class="bg-info bg-opacity-10 rounded-circle p-3">
                        <i class="bi bi-calendar-today text-info fs-4"></i>
                    </div>
                </div>
            </div>
        </div>
    </div>
    
    <div class="col-md-3 mb-3">
        <div class="card border-0 shadow-sm">
            <div class="card-body">
                <div class="d-flex justify-content-between align-items-center">
                    <div>
                        <h6 class="text-muted mb-2">{% trans %}This Week{% endtrans %}</h6>
                        <h2 class="mb-0">{{ stats.week_reservations }}</h2>
                    </div>
                    <div class="bg-warning bg-opacity-10 rounded-circle p-3">
                        <i class="bi bi-calendar-week text-warning fs-4"></i>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

<div class="row">
    <!-- Monthly Chart -->
    <div class="col-md-8 mb-4">
        <div class="card border-0 shadow-sm">
            <div class="card-header bg-white border-0">
                <h5 class="mb-0">
                    <i class="bi bi-graph-up text-primary"></i> Monthly Reservations
                </h5>
            </div>
            <div class="card-body">
                <canvas id="monthlyChart" height="100"></canvas>
            </div>
        </div>
    </div>
    
    <!-- Quick Actions -->
    <div class="col-md-4 mb-4">
        <div class="card border-0 shadow-sm">
            <div class="card-header bg-white border-0">
                <h5 class="mb-0">
                    <i class="bi bi-lightning text-warning"></i> Quick Actions
                </h5>
            </div>
            <div class="card-body">
                <div class="d-grid gap-2">
<a href="{{ url_for('classrooms.add_classroom') }}" class="btn btn-outline-primary">
                        <i class="bi bi-plus-circle"></i> Add Classroom
                    </a>
                    <a href="{{ url_for('schedule.commissions_view') }}" class="btn btn-outline-warning">
                        <i class="bi bi-people"></i> Manage Commissions
                    </a>
                    <a href="{{ url_for('schedule.add_reservation') }}" class="btn btn-outline-success">
                        <i class="bi bi-calendar-plus"></i> New Reservation
                    </a>
                    <a href="{{ url_for('schedule.today_schedule') }}" class="btn btn-outline-info">
                        <i class="bi bi-calendar-today"></i> Today's Schedule
                    </a>
                    {# Access to Genetic Algorithm Optimizer - Only for admin/teacher roles #}
                    {% if current_user and current_user.role in ['ADMIN'] %}
                    <a href="{{ url_for('genetic_algorithm.genetic_optimizer') }}" class="btn btn-info text-white">
                        <i class="bi bi-cpu"></i> AI Room Optimizer
                    </a>
                    {% endif %}
                    <a href="{{ url_for('schedule.calendar_view') }}" class="btn btn-outline-secondary">
                        <i class="bi bi-calendar3"></i> View Calendar
                    </a>
                </div>
            </div>
        </div>
    </div>
</div>

<!-- Upcoming Reservations -->
<div class="row">
    <div class="col-12">
        <div class="card border-0 shadow-sm">
            <div class="card-header bg-white border-0">
                <div class="d-flex justify-content-between align-items-center">
                    <h5 class="mb-0">
                        <i class="bi bi-clock-history text-info"></i> Upcoming Reservations (Next 7 Days)
                    </h5>
                    <a href="{{ url_for('schedule.list_reservations') }}" class="btn btn-sm btn-outline-primary">
                        View All
                    </a>
                </div>
            </div>
            <div class="card-body">
                {% if upcoming_reservations %}
                    <div class="table-responsive">
                        <table class="table table-hover">
                            <thead>
                                <tr>
                                    <th>Date & Time</th>
                                    <th>Classroom</th>
                                    <th>Subject</th>
                                    <th>Teacher</th>
                                    <th>Status</th>
                                    <th>Actions</th>
                                </tr>
                            </thead>
                            <tbody>
                                {% for reservation in upcoming_reservations %}
                                <tr>
                                    <td>{{ reservation.start_time.strftime('%Y-%m-%d %H:%M') }}</td>
<td>{{ reservation.classroom.code }}</td>
                                    <td>{{ reservation.commission.get_full_code() }}</td>
                                    <td>{{ reservation.commission.teacher_name }}</td>
                                    <td>
                                        <span class="badge bg-{{ 'success' if reservation.status.value == 'CONFIRMED' else 'warning' }}">
                                            {{ reservation.status.value }}
                                        </span>
                                    </td>
                                    <td>
                                        <a href="{{ url_for('schedule.list_reservations') }}" 
                                           class="btn btn-sm btn-outline-primary">
                                            <i class="bi bi-eye"></i> View
                                        </a>
                                    </td>
                                </tr>
                                {% endfor %}
                            </tbody>
                        </table>
                    </div>
                {% else %}
                    <div class="text-center py-4">
                        <i class="bi bi-calendar-x text-muted" style="font-size: 3rem;"></i>
                        <p class="text-muted mt-3">No upcoming reservations in the next 7 days</p>
                    </div>
                {% endif %}
            </div>
        </div>
    </div>
</div>
{% if current_user.is_authenticated %}
</div>
{% endif %}
{% endblock %}

{% block extra_js %}
<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
<script>
$(document).ready(function() {
    // Fetch monthly data and create chart
    $.get('/api/dashboard-stats')
        .done(function(data) {
            const ctx = document.getElementById('monthlyChart').getContext('2d');
            new Chart(ctx, {
                type: 'line',
                data: {
                    labels: data.monthly_data.map(item => item.month),
                    datasets: [{
                        label: 'Reservations',
                        data: data.monthly_data.map(item => item.reservations),
                        borderColor: '#667eea',
                        backgroundColor: 'rgba(102, 126, 234, 0.1)',
                        borderWidth: 2,
                        fill: true,
                        tension: 0.4
                    }]
                },
                options: {
                    responsive: true,
                    maintainAspectRatio: false,
                    plugins: {
                        legend: {
                            display: false
                        }
                    },
                    scales: {
                        y: {
                            beginAtZero: true,
                            ticks: {
                                stepSize: 1
                            }
                        }
                    }
                }
            });
        });
});
</script>
{% endblock %}