@extends('admin.layout.main')

@section('main')
    @php
        use App\Models\Penyakit;
        use App\Models\DataPengguna;
        use App\Models\Indikator;
        use App\Models\User;

        // Mengambil data statistik penyakit berdasarkan konsultasi
        $statistik = DataPengguna::selectRaw('kode_penyakit, COUNT(*) as jumlah')
                    ->groupBy('kode_penyakit')
                    ->get();

        $labels = $statistik->pluck('kode_penyakit')->toArray();
        $data = $statistik->pluck('jumlah')->toArray();
        $warna = ['#FF6384', '#36A2EB', '#FFCE56', '#4CAF50', '#FF9800', '#9C27B0'];
    @endphp

    <div class="page-heading text-center mb-4">
        <h1 class="display-4 text-primary fw-bold">Dashboard Sistem Pakar</h1>
        <p class="lead text-muted">Selamat datang di dashboard admin. Pantau statistik dan aktivitas sistem pakar di sini.</p>
    </div>

    <div class="page-content">
        <!-- Statistik Utama -->
        <section class="row mb-4">
            <div class="col-md-4">
                <div class="card shadow-sm border-0 hover-scale">
                    <div class="card-body p-4">
                        <div class="d-flex align-items-center">
                            <div class="stats-icon purple me-3">
                                <i class="bi bi-heart-pulse fs-2"></i>
                            </div>
                            <div>
                                <h6 class="text-muted mb-1">Jumlah Penyakit</h6>
                                <h3 class="fw-bold mb-0">{{ number_format(Penyakit::all()->count()) }}</h3>
                            </div>
                        </div>
                    </div>
                </div>
            </div>

            <div class="col-md-4">
                <div class="card shadow-sm border-0 hover-scale">
                    <div class="card-body p-4">
                        <div class="d-flex align-items-center">
                            <div class="stats-icon blue me-3">
                                <i class="bi bi-clipboard-data fs-2"></i>
                            </div>
                            <div>
                                <h6 class="text-muted mb-1">Jumlah Indikator</h6>
                                <h3 class="fw-bold mb-0">{{ number_format(Indikator::all()->count()) }}</h3>
                            </div>
                        </div>
                    </div>
                </div>
            </div>

            <div class="col-md-4">
                <div class="card shadow-sm border-0 hover-scale">
                    <div class="card-body p-4">
                        <div class="d-flex align-items-center">
                            <div class="stats-icon green me-3">
                                <i class="bi bi-people fs-2"></i>
                            </div>
                            <div>
                                <h6 class="text-muted mb-1">Riwayat Konsultasi</h6>
                                <h3 class="fw-bold mb-0">{{ number_format(DataPengguna::all()->count()) }}</h3>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </section>

        <!-- Grafik Distribusi Penyakit -->
        <div class="card shadow-sm border-0 mb-4">
            <div class="card-header bg-primary text-white">
                <h4 class="mb-0 text-white"><i class="bi bi-pie-chart me-2"></i>Distribusi Penyakit Berdasarkan Konsultasi</h4>
            </div>
            <div class="card-body">
                <div class="row mt-3"> <!-- Tambahkan margin-top untuk memberi jarak -->
                    <div class="col-md-6 d-flex align-items-center justify-content-center">
                        <div style="width: 100%; max-width: 300px;"> <!-- Ukuran pie chart diperkecil -->
                            <canvas id="penyakitChart"></canvas>
                        </div>
                    </div>
                    <div class="col-md-6">
                        <h5 class="mb-3">Keterangan:</h5>
                        <ul class="list-unstyled">
                            @foreach ($labels as $index => $kode)
                                <li class="mb-2">
                                    <span style="display: inline-block; width: 15px; height: 15px; background-color: {{ $warna[$index] }}; margin-right: 10px;"></span>
                                    <strong>{{ $kode }}</strong> - {{ Penyakit::where('kode', $kode)->first()->penyakit ?? 'Tidak Diketahui' }}
                                    <span class="text-muted">({{ $data[$index] }} kasus)</span>
                                </li>
                            @endforeach
                        </ul>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- Script Chart.js & ChartDataLabels -->
    <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/chartjs-plugin-datalabels"></script>
    <script>
        Chart.register(ChartDataLabels);
        var ctx = document.getElementById('penyakitChart').getContext('2d');
        var penyakitChart = new Chart(ctx, {
            type: 'pie',
            data: {
                labels: {!! json_encode($labels) !!},
                datasets: [{
                    data: {!! json_encode($data) !!},
                    backgroundColor: {!! json_encode($warna) !!},
                    hoverOffset: 4
                }]
            },
            options: {
                responsive: true,
                maintainAspectRatio: false,
                plugins: {
                    legend: {
                        display: false // Legenda manual sudah dibuat di samping chart
                    },
                    datalabels: {
                        color: '#fff',
                        font: {
                            weight: 'bold',
                            size: 12 // Ukuran font diperkecil
                        },
                        formatter: (value) => value + ' kasus'
                    }
                }
            }
        });
    </script>

    <style>
        /* Animasi hover pada card */
        .hover-scale {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .hover-scale:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
        }

        /* Warna ikon statistik */
        .stats-icon.purple {
            color: #6f42c1;
        }
        .stats-icon.blue {
            color: #0d6efd;
        }
        .stats-icon.green {
            color: #198754;
        }

        /* Efek hover pada ikon */
        .stats-icon i {
            transition: transform 0.3s ease;
        }
        .stats-icon:hover i {
            transform: scale(1.1);
        }

        /* Jarak antar card */
        .card {
            margin-bottom: 15px; /* Jarak antar card diperkecil */
        }

        /* Header card yang lebih menarik */
        .card-header {
            padding: 0.75rem 1.25rem; /* Padding header diperkecil */
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        /* Padding dan margin yang lebih baik */
        .card-body {
            padding: 1rem; /* Padding body card diperkecil */
        }

        /* Teks keterangan yang lebih rapi */
        .list-unstyled li {
            padding: 0.5rem 0;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }
        .list-unstyled li:last-child {
            border-bottom: none;
        }

        /* Mengurangi ukuran font pada judul dashboard */
        .page-heading h1 {
            font-size: 2.5rem;
        }
        .page-heading p {
            font-size: 1rem;
        }
    </style>
@endsection