@extends('layouts.admin')

@section('title', 'Dashboard Admin')
@section('page-title', 'Overview Sistem')

@section('content')
    <section class="row">
        <div class="col-12">
            
            {{-- STATISTIK ATAS --}}
            <div class="row">
                <div class="col-6 col-lg-4 col-md-6">
                    <div class="card shadow-sm">
                        <div class="card-body px-4 py-4-5">
                            <div class="row">
                                <div class="col-md-4 d-flex justify-content-center align-items-center">
                                    <div class="stats-icon purple"><i class="bi bi-people-fill"></i></div>
                                </div>
                                <div class="col-md-8">
                                    <h6 class="text-muted font-semibold">Total Petani</h6>
                                    <h6 class="font-extrabold mb-0">{{ $totalPetani }}</h6>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="col-6 col-lg-4 col-md-6">
                    <div class="card shadow-sm">
                        <div class="card-body px-4 py-4-5">
                            <div class="row">
                                <div class="col-md-4 d-flex justify-content-center align-items-center">
                                    <div class="stats-icon green"><i class="bi bi-basket-fill"></i></div>
                                </div>
                                <div class="col-md-8">
                                    <h6 class="text-muted font-semibold">Total Produk</h6>
                                    <h6 class="font-extrabold mb-0">{{ $totalProduk }}</h6>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="col-12 col-lg-4 col-md-12">
                    <div class="card shadow-sm">
                        <div class="card-body px-4 py-4-5">
                            <div class="row">
                                <div class="col-md-4 d-flex justify-content-center align-items-center">
                                    <div class="stats-icon blue"><i class="bi bi-receipt"></i></div>
                                </div>
                                <div class="col-md-8">
                                    <h6 class="text-muted font-semibold">Total Transaksi</h6>
                                    <h6 class="font-extrabold mb-0">{{ $totalTransaksi }}</h6>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>

            {{-- AREA GRAFIK BERSEBELAHAN --}}
            <div class="row mb-4">
                {{-- Kiri: Grafik Produk Terlaris --}}
                <div class="col-md-6">
                    <div class="card shadow-sm h-100">
                        <div class="card-header bg-white border-bottom">
                            <h5 class="card-title mb-0"><i class="bi bi-bar-chart-fill text-primary me-2"></i>Produk Terlaris</h5>
                        </div>
                        <div class="card-body mt-3">
                            <canvas id="chartTerlaris" style="max-height: 300px;"></canvas>
                        </div>
                    </div>
                </div>

                {{-- Kanan: Grafik Kestabilan Harga --}}
                <div class="col-md-6">
                    <div class="card shadow-sm h-100">
                        <div class="card-header bg-white border-bottom">
                            <h5 class="card-title mb-0"><i class="bi bi-graph-up text-success me-2"></i>Kestabilan Harga Jual Petani</h5>
                        </div>
                        <div class="card-body mt-3">
                            <canvas id="chartHarga" style="max-height: 300px;"></canvas>
                        </div>
                    </div>
                </div>
            </div>

            {{-- TABEL TRANSAKSI TERBARU (SAMA SEPERTI SEBELUMNYA) --}}
            <div class="row">
                <div class="col-12">
                    <div class="card shadow-sm">
                        <div class="card-header bg-white border-bottom">
                            <h5 class="mb-0">Transaksi Terbaru di Platform</h5>
                        </div>
                        <div class="card-body mt-3">
                            <div class="table-responsive">
                                <table class="table table-hover align-middle">
                                    <thead>
                                        <tr>
                                            <th>Invoice</th>
                                            <th>Petani / Usaha</th>
                                            <th>Pembeli</th>
                                            <th>Total</th>
                                            <th>Status</th>
                                            <th>Tanggal</th>
                                        </tr>
                                    </thead>
                                    <tbody>
                                        @forelse($transaksiTerbaru as $trx)
                                            <tr>
                                                <td class="fw-bold text-primary">#{{ $trx->kode_invoice }}</td>
                                                <td>
                                                    <div class="d-flex flex-column">
                                                        <span class="fw-bold text-dark">{{ $trx->petani->nama_lengkap ?? 'Petani Tidak Ditemukan' }}</span>
                                                        <small class="text-muted"><i class="bi bi-shop me-1"></i>{{ $trx->petani->nama_usaha ?? '-' }}</small>
                                                    </div>
                                                </td>
                                                <td>{{ $trx->pembeli->nama_lengkap ?? 'Guest' }}</td>
                                                <td class="fw-bold">Rp {{ number_format($trx->total_harga, 0, ',', '.') }}</td>
                                                <td>
                                                    @php
                                                        $badgeClass = match ($trx->status) {
                                                            'selesai' => 'bg-success',
                                                            'batal' => 'bg-danger',
                                                            'dikirim' => 'bg-primary',
                                                            'diproses' => 'bg-info',
                                                            'menunggu konfirmasi' => 'bg-warning text-dark',
                                                            default => 'bg-secondary',
                                                        };
                                                    @endphp
                                                    <span class="badge {{ $badgeClass }} rounded-pill px-3">{{ ucwords($trx->status) }}</span>
                                                </td>
                                                <td class="text-muted small">{{ $trx->created_at->format('d M Y') }}</td>
                                            </tr>
                                        @empty
                                            <tr><td colspan="6" class="text-center py-4 text-muted">Belum ada transaksi baru.</td></tr>
                                        @endforelse
                                    </tbody>
                                </table>
                            </div>
                            <div class="text-center mt-3">
                                <a href="{{ route('admin.monitoring') }}" class="btn btn-sm btn-primary">Lihat Semua Data</a>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </section>
@endsection

@section('js')
{{-- Load library Chart.js --}}
<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>

<script>
    document.addEventListener("DOMContentLoaded", function () {
        const labelTerlarisAsli = {!! json_encode($labelTerlaris) !!};
        const dataTerlaris = {!! json_encode($dataTerlaris) !!};
        
        const labelMultiline = labelTerlarisAsli.map(function(label) {
            const words = label.split(' ');
            const lines = [];
            let currentLine = '';

            words.forEach(word => {
                if ((currentLine + word).length > 15 && currentLine !== '') {
                    lines.push(currentLine.trim());
                    currentLine = word + ' ';
                } else {
                    currentLine += word + ' ';
                }
            });
            lines.push(currentLine.trim());
            return lines; 
        });

        // --- GRAFIK PRODUK TERLARIS ---
        const ctxTerlaris = document.getElementById('chartTerlaris').getContext('2d');
        new Chart(ctxTerlaris, {
            type: 'bar',

            data: {
                labels: labelMultiline, 
                datasets: [{
                    label: 'Total Terjual',
                    data: dataTerlaris,
                    backgroundColor: 'rgba(129, 196, 8, 0.8)', 
                    borderColor: '#81c408',
                    borderWidth: 1,
                    borderRadius: 4
                }]
            },
            options: {
                responsive: true,
                maintainAspectRatio: false,
                plugins: {
                    legend: { display: false },
                    tooltip: {
                        callbacks: {
                            title: function(context) {
                                return labelTerlarisAsli[context[0].dataIndex];
                            },
                            label: function(context) {
                                return context.raw + ' Kg';
                            }
                        }
                    }
                },
                scales: { 
                    x: {
                        ticks: {
                            maxRotation: 0, 
                            autoSkip: false, 
                            font: { size: 12 } 
                        },
                        grid: { display: false }
                    },
                    y: { 
                        beginAtZero: true,
                        ticks: { stepSize: 1 } 
                    } 
                }
            }
        });

        // --- GRAFIK KESTABILAN HARGA  ---
        const ctxHarga = document.getElementById('chartHarga').getContext('2d');
        new Chart(ctxHarga, {
            type: 'line',
            data: {
                labels: {!! json_encode($labelHarga) !!},
                datasets: [{
                    label: 'Rata-rata Harga',
                    data: {!! json_encode($dataHarga) !!},
                    backgroundColor: 'rgba(54, 162, 235, 0.1)',
                    borderColor: '#36A2EB',
                    borderWidth: 2,
                    pointBackgroundColor: '#fff',
                    pointBorderColor: '#36A2EB',
                    pointBorderWidth: 2,
                    pointRadius: 4,
                    tension: 0.4, 
                    fill: true
                }]
            },
            options: {
                responsive: true,
                maintainAspectRatio: false,
                plugins: {
                    legend: { display: false }, 
                    tooltip: {
                        callbacks: {
                            label: function(context) {
                                return 'Rp ' + context.raw.toLocaleString('id-ID');
                            }
                        }
                    }
                },
                scales: { 
                    x: {
                        grid: { display: false }
                    },
                    y: { 
                        beginAtZero: false, 
                        ticks: {
                            callback: function(value) { return 'Rp ' + value.toLocaleString('id-ID'); }
                        }
                    } 
                }
            }
        });
    });
</script>
@endsection