@extends('layouts.admin')

@section('title', 'Estadísticas del sistema')

@section('content')
<div class="container py-4">
    <h2 class="mb-4">📊 Estadísticas del Sistema</h2>

    <div class="row mb-4">
        <div class="col-md-6">
            <h5>Tarjetas por Comercio</h5>
            <ul class="list-group">
                @foreach ($porComercio as $item)
                    <li class="list-group-item d-flex justify-content-between align-items-center">
                        {{ $item->comercio->name ?? 'Comercio eliminado' }}
                        <span class="badge bg-primary rounded-pill">{{ $item->total }}</span>
                    </li>
                @endforeach
            </ul>
        </div>

        <div class="col-md-6">
            <h5>Tarjetas por Tipo</h5>
            <ul class="list-group">
                @foreach ($porTipo as $item)
                    <li class="list-group-item d-flex justify-content-between align-items-center">
                        {{ ucfirst($item->tipo) }}
                        <span class="badge bg-success rounded-pill">{{ $item->total }}</span>
                    </li>
                @endforeach
            </ul>
        </div>
    </div>

    <div class="card p-4">
        <h5 class="mb-3">Gráfico Comparativo</h5>
        <canvas id="graficoTarjetas"></canvas>
    </div>
</div>
@endsection

@section('js')
<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
<script>
    const ctx = document.getElementById('graficoTarjetas').getContext('2d');
    new Chart(ctx, {
        type: 'bar',
        data: {
            labels: {!! json_encode($porTipo->pluck('tipo')) !!},
            datasets: [{
                label: 'Cantidad por Tipo de Tarjeta',
                data: {!! json_encode($porTipo->pluck('total')) !!},
                borderWidth: 1,
                backgroundColor: '#3490dc',
            }]
        },
        options: {
            responsive: true,
            scales: {
                y: {
                    beginAtZero: true,
                    stepSize: 1
                }
            }
        }
    });
</script>
@endsection