@extends('layouts.app')
@section('title', __('dashboard.Purchases Statistics'))
@section('page_heading', __('dashboard.Purchases Statistics'))

@section('content')
@php
    $formattedStart  = $startDate->format('Y-m-d');
    $formattedEnd    = $endDate->format('Y-m-d');
    $totalPurchases  = collect($chartData['purchases'])->sum();
    $totalReturns    = collect($chartData['returns'])->sum();
    $totalAmount     = collect($chartData['amount'])->sum();
    $totalReturnsAmt = collect($chartData['returns_amount'] ?? [])->sum();
    $totalNet        = collect($chartData['net_purchases'])->sum();
    $returnRate      = $totalAmount > 0 ? ($totalReturnsAmt / $totalAmount * 100) : 0;
    $daysCount       = count($chartData['labels']);
@endphp

@include('dashboard.statistics.partials.nav')
@include('dashboard.statistics.partials.filter', [
    'filterAction'   => route('dashboard.statistics.purchases'),
    'range'          => $range,
    'formattedStart' => $formattedStart,
    'formattedEnd'   => $formattedEnd,
    'exportRoute'    => route('dashboard.statistics.purchases.export', ['custom_start'=>$formattedStart,'custom_end'=>$formattedEnd,'range'=>$range]),
    'exportXlsRoute' => route('dashboard.statistics.purchases.export', ['custom_start'=>$formattedStart,'custom_end'=>$formattedEnd,'range'=>$range,'format'=>'xls']),
])

{{-- KPIs --}}
<div class="kpi-grid-5">
    @foreach([
        ['fa-solid fa-truck',            '#eff6ff','#2563eb', number_format($totalPurchases),    'عدد المشتريات',    $formattedStart.' — '.$formattedEnd],
        ['fa-solid fa-rotate-left',      '#fef2f2','#dc2626', number_format($totalReturns),      __('dashboard.returns_count_label'),    number_format($returnRate,1).'% من المشتريات'],
        ['fa-solid fa-money-bills',      '#fffbeb','#d97706', number_format($totalAmount,2),     'إجمالي المشتريات', 'قبل المرتجعات'],
        ['fa-solid fa-circle-arrow-down','#fef2f2','#dc2626', number_format($totalReturnsAmt,2), 'قيمة المرتجعات',   'المبالغ المستردة'],
        ['fa-solid fa-coins',            '#f0fdf4','#16a34a', number_format($totalNet,2),        __('dashboard.net_purchases_label'),   'بعد خصم المرتجعات'],
    ] as [$ic,$bg,$cl,$val,$lbl,$meta])
    <div style="background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:1.1rem 1.25rem;box-shadow:var(--shadow-card)">
        <div style="width:38px;height:38px;border-radius:10px;background:{{ $bg }};color:{{ $cl }};display:flex;align-items:center;justify-content:center;font-size:.95rem;margin-bottom:.75rem"><i class="{{ $ic }}"></i></div>
        <div style="font-size:1.25rem;font-weight:900;color:var(--text-primary);line-height:1;margin-bottom:.2rem">{{ $val }}</div>
        <div style="font-size:.75rem;font-weight:800;color:var(--text-primary);margin-bottom:.1rem">{{ $lbl }}</div>
        <div style="font-size:.68rem;color:var(--text-muted)">{{ $meta }}</div>
    </div>
    @endforeach
</div>

@if(empty($chartData['labels']))
<div style="background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);padding:3rem;text-align:center">
    @include('layouts.partials.index-empty-state',['icon'=>'fa-solid fa-truck','title'=>'لا توجد بيانات مشتريات في هذه الفترة','message'=>''])
</div>
@else

{{-- Charts --}}
<div style="display:grid;grid-template-columns:1fr 1fr;gap:1.25rem;margin-bottom:1.25rem">
    <div style="background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);padding:1.25rem">
        <div style="font-size:.75rem;font-weight:800;color:var(--text-muted);margin-bottom:.875rem;text-transform:uppercase;letter-spacing:.06em">
            <i class="fa-solid fa-chart-area" style="color:var(--c-primary);margin-inline-end:.4rem"></i>عدد المشتريات مقابل المرتجعات
        </div>
        <div id="countChart"></div>
    </div>
    <div style="background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);padding:1.25rem">
        <div style="font-size:.75rem;font-weight:800;color:var(--text-muted);margin-bottom:.875rem;text-transform:uppercase;letter-spacing:.06em">
            <i class="fa-solid fa-chart-bar" style="color:var(--c-primary);margin-inline-end:.4rem"></i>القيم المالية (ج.م)
        </div>
        <div id="amountChart"></div>
    </div>
</div>

{{-- Table --}}
<div style="background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);box-shadow:var(--shadow-card)">
    <div style="display:flex;align-items:center;justify-content:space-between;padding:.875rem 1.25rem;border-bottom:1px solid var(--border-subtle)">
        <div style="display:flex;align-items:center;gap:.5rem;font-size:.875rem;font-weight:800;color:var(--text-primary)">
            <i class="fa-solid fa-truck" style="color:var(--c-primary)"></i>
            تفاصيل البيانات اليومية
            <span style="font-size:.7rem;font-weight:700;padding:.15rem .55rem;border-radius:999px;background:var(--c-primary-bg);color:var(--c-primary)">{{ $daysCount }} يوم</span>
        </div>
        <div style="font-size:.75rem;font-weight:700;color:var(--text-muted)">{{ $formattedStart }} — {{ $formattedEnd }}</div>
    </div>
    <div style="overflow-x:auto">
        <style>.page-table tbody tr{border-bottom:1px solid var(--border-subtle);transition:background .12s}.page-table tbody tr:hover{background:var(--surface-50)}.page-th{padding:.65rem 1.1rem;font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);text-align:start;border-bottom:1px solid var(--border);white-space:nowrap}</style>
        <table class="page-table" style="width:100%;border-collapse:collapse;font-size:.83rem">
            <thead>
                <tr style="background:var(--border-subtle)">
                    @foreach(['#','التاريخ','عدد المشتريات',__('dashboard.returns_count_label'),'إجمالي المشتريات','قيمة المرتجعات',__('dashboard.net_purchases_label')] as $h)
                    <th class="page-th">{{ $h }}</th>
                    @endforeach
                </tr>
            </thead>
            <tbody>
                @foreach($chartData['labels'] as $i => $date)
                @php $net = $chartData['net_purchases'][$i]; @endphp
                <tr>
                    <td style="padding:.875rem 1.25rem;color:var(--text-muted);font-size:.78rem">{{ $i+1 }}</td>
                    <td style="padding:.875rem 1.25rem;font-weight:700;color:var(--text-secondary)">{{ $date }}</td>
                    <td style="padding:.875rem 1.25rem;font-weight:800;color:var(--text-primary)">{{ number_format($chartData['purchases'][$i]) }}</td>
                    <td style="padding:.875rem 1.25rem;font-weight:800;color:#dc2626">{{ number_format($chartData['returns'][$i]) }}</td>
                    <td style="padding:.875rem 1.25rem">
                        <div style="font-weight:800;color:var(--text-primary)">{{ number_format($chartData['amount'][$i],2) }}</div>
                        <div style="font-size:.68rem;color:var(--text-muted)">ج.م</div>
                    </td>
                    <td style="padding:.875rem 1.25rem">
                        <div style="font-weight:800;color:#dc2626">{{ number_format($chartData['returns_amount'][$i],2) }}</div>
                        <div style="font-size:.68rem;color:var(--text-muted)">ج.م</div>
                    </td>
                    <td style="padding:.875rem 1.25rem">
                        <div style="font-weight:800;color:{{ $net >= 0 ? '#16a34a' : '#dc2626' }}">{{ number_format($net,2) }}</div>
                        <div style="font-size:.68rem;color:var(--text-muted)">ج.م</div>
                    </td>
                </tr>
                @endforeach
            </tbody>
            <tfoot>
                <tr style="background:var(--border-subtle);border-top:2px solid var(--border)">
                    <td colspan="2" style="padding:.75rem 1.25rem;font-size:.78rem;font-weight:800;color:var(--text-muted)">الإجمالي</td>
                    <td style="padding:.75rem 1.25rem;font-weight:900;color:var(--text-primary)">{{ number_format($totalPurchases) }}</td>
                    <td style="padding:.75rem 1.25rem;font-weight:900;color:#dc2626">{{ number_format($totalReturns) }}</td>
                    <td style="padding:.75rem 1.25rem;font-weight:900;color:var(--text-primary)">{{ number_format($totalAmount,2) }}</td>
                    <td style="padding:.75rem 1.25rem;font-weight:900;color:#dc2626">{{ number_format($totalReturnsAmt,2) }}</td>
                    <td style="padding:.75rem 1.25rem;font-weight:900;color:#16a34a">{{ number_format($totalNet,2) }}</td>
                </tr>
            </tfoot>
        </table>
    </div>
</div>
@endif

@endsection

@section('scripts')
@if(!empty($chartData['labels']))
<script src="https://cdn.jsdelivr.net/npm/apexcharts"></script>
<script>
const d = @json($chartData);
new ApexCharts(document.querySelector('#countChart'), {
    series: [
        { name: 'المشتريات', data: d.purchases },
        { name: 'المرتجعات', data: d.returns }
    ],
    chart: { type: 'area', height: 260, toolbar: { show: false }, fontFamily: 'inherit' },
    colors: ['#2563eb','#dc2626'],
    dataLabels: { enabled: false },
    stroke: { curve: 'smooth', width: 2.5 },
    fill: { type: 'gradient', gradient: { opacityFrom: .18, opacityTo: .02 } },
    xaxis: { categories: d.labels, labels: { style: { colors: '#94a3b8', fontSize: '11px' }, rotate: -30 } },
    yaxis: { labels: { style: { colors: '#94a3b8', fontSize: '11px' } } },
    grid: { borderColor: '#e2e8f0', strokeDashArray: 4 },
    legend: { position: 'top', horizontalAlign: 'left', fontSize: '12px', fontWeight: 700 },
    tooltip: { y: { formatter: v => Number(v).toLocaleString() } }
}).render();

new ApexCharts(document.querySelector('#amountChart'), {
    series: [
        { name: 'إجمالي المشتريات', data: d.amount.map(Number) },
        { name: 'قيمة المرتجعات',   data: d.returns_amount.map(Number) },
        { name: __('dashboard.net_purchases_label'),   data: d.net_purchases.map(Number) }
    ],
    chart: { type: 'bar', height: 260, toolbar: { show: false }, fontFamily: 'inherit' },
    colors: ['#2563eb','#dc2626','#16a34a'],
    plotOptions: { bar: { borderRadius: 4, columnWidth: '55%' } },
    dataLabels: { enabled: false },
    xaxis: { categories: d.labels, labels: { style: { colors: '#94a3b8', fontSize: '11px' }, rotate: -30 } },
    yaxis: { labels: { style: { colors: '#94a3b8', fontSize: '11px' }, formatter: v => Number(v).toLocaleString() } },
    grid: { borderColor: '#e2e8f0', strokeDashArray: 4 },
    legend: { position: 'top', horizontalAlign: 'left', fontSize: '12px', fontWeight: 700 },
    tooltip: { y: { formatter: v => Number(v).toLocaleString() + ' ج.م' } }
}).render();
</script>
@endif
@endsection