@php
    use SimpleSoftwareIO\QrCode\Facades\QrCode;
@endphp
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Shipment List</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
        }

        .container {
            width: 90%;
            margin: auto;
        }

        .shipment-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            /* Adds space between shipment cards */
        }

        .shipment-card {
            border: 1px solid black;
            padding: 10px;
            margin-bottom: 10px;
            flex: 1 1 calc(50% - 10px);
            /* Two cards per row */
            box-sizing: border-box;
            page-break-inside: avoid; /* Prevent card from breaking across pages */
        }

        .shipment-card span b {
            margin: 2px 0;
            text-align: center !important;
        }
    </style>
</head>

<body>
    <div class="container">
        {{-- ======================= SUPPLIER QR CODES ======================= --}}
        <div style="margin-bottom: 30px;">
            <h2>SUPPLIER QR CODES</h2>
            <div class="shipment-row">
                @php
                    $supplierRefs = isset($refs) ? collect($refs)->where('ref_type', 'supplier')->values() : collect();
                    if ($supplierRefs->isNotEmpty()) {
                        $supplierIds = $supplierRefs->pluck('supplier_id')->unique()->filter()->values()->all();
                        $suppliers = !empty($supplierIds) ? \Modules\Product\Models\Supplier::whereIn('id', $supplierIds)->orderBy('name')->get()->keyBy('id') : collect();
                    } else {
                        $supplierIds = collect($shipments)->pluck('supplier_id')->unique()->filter()->values()->all();
                        $suppliers = !empty($supplierIds) ? \Modules\Product\Models\Supplier::whereIn('id', $supplierIds)->orderBy('name')->get()->keyBy('id') : collect();
                        $supplierRefs = collect($supplierIds)->map(function ($id) {
                            return (object) ['supplier_id' => $id, 'ref_no' => 'SUP_' . $id];
                        });
                    }
                    $cardCount = 0;
                @endphp

                @foreach ($supplierRefs as $ref)
                    @php
                        $supplier = $suppliers->get($ref->supplier_id);
                        $productQuantity = collect($shipments)
                            ->where('supplier_id', $ref->supplier_id)
                            ->sum('qty');
                        $cardCount++;
                    @endphp

                    @if ($productQuantity > 0)
                        <div class="shipment-card">
                            <span>SUPPLIER QR CODES</span>
                            <br><br>
                            <span>DEPLETION JOB NO: {{ $job_no }}</span>
                            <br>
                            <span>SUPPLIER REFERENCE: {{ $ref->ref_no }}</span>
                            <div style="text-align: center; margin: 10px 0;">
                                @php
                                    $supplierQrcode = base64_encode(QrCode::format('svg')->size(200)->errorCorrection('H')->generate($ref->ref_no));
                                @endphp
                                <img src="data:image/png;base64, {!! $supplierQrcode !!}">
                            </div>
                            <span>Supplier: {{ $supplier->name ?? '' }}</span>
                            <br>
                            <span>Product Quantity: {{ $productQuantity }}</span>
                        </div>

                        {{-- @if ($cardCount % 2 == 0)
                            <div style="page-break-after: always;"></div>
                        @endif --}}
                    @endif
                @endforeach
            </div>
        </div>

        {{-- ======================= DISTRIBUTION CENTER QR CODES ======================= --}}
        <div style="margin-bottom: 30px; page-break-before: always;">
            <h2>DISTRIBUTION CENTER QR CODES</h2>
            <div class="shipment-row">
                @php
                    $dcRefs = isset($refs) ? collect($refs)->where('ref_type', 'distributor')->values() : collect();
                    if ($dcRefs->isNotEmpty()) {
                        $dcIds = $dcRefs->pluck('distribution_center_id')->unique()->filter()->values()->all();
                        $supplierIds = $dcRefs->pluck('supplier_id')->unique()->filter()->values()->all();
                        $distributionCenters = !empty($dcIds) ? \Modules\Warehouses\Models\Warehouse::whereIn('id', $dcIds)->get()->keyBy('id') : collect();
                        $suppliers = !empty($supplierIds) ? \Modules\Product\Models\Supplier::whereIn('id', $supplierIds)->get()->keyBy('id') : collect();
                    } else {
                        $dcSupplierPairs = collect($shipments)->map(function ($shipment) {
                            return [
                                'distribution_center_id' => $shipment->distribution_center_id,
                                'supplier_id' => $shipment->supplier_id,
                            ];
                        })->unique(function ($item) {
                            return $item['distribution_center_id'] . '-' . $item['supplier_id'];
                        })->values()->all();

                        $dcIds = collect($dcSupplierPairs)->pluck('distribution_center_id')->unique()->filter()->values()->all();
                        $supplierIds = collect($dcSupplierPairs)->pluck('supplier_id')->unique()->filter()->values()->all();
                        $distributionCenters = !empty($dcIds) ? \Modules\Warehouses\Models\Warehouse::whereIn('id', $dcIds)->get()->keyBy('id') : collect();
                        $suppliers = !empty($supplierIds) ? \Modules\Product\Models\Supplier::whereIn('id', $supplierIds)->get()->keyBy('id') : collect();

                        $dcRefs = collect($dcSupplierPairs)->map(function ($p) {
                            return (object) [
                                'distribution_center_id' => $p['distribution_center_id'],
                                'supplier_id' => $p['supplier_id'],
                                'ref_no' => 'DC_' . ($p['distribution_center_id'] ?? '') . '_SUP_' . ($p['supplier_id'] ?? ''),
                            ];
                        });
                    }
                    $cardCount = 0;
                @endphp

                @foreach ($dcRefs as $ref)
                    @php
                        $dc = $distributionCenters->get($ref->distribution_center_id);
                        $supplier = $suppliers->get($ref->supplier_id);
                        $productQuantity = collect($shipments)
                            ->where('supplier_id', $ref->supplier_id)
                            ->where('distribution_center_id', $ref->distribution_center_id)
                            ->sum('qty');
                        $cardCount++;
                    @endphp

                    @if ($productQuantity > 0)
                        <div class="shipment-card">
                            <span>DISTRIBUTION CENTER QR CODES</span>
                            <br><br>
                            <span>DEPLETION JOB NO: {{ $job_no }}</span>
                            <br>
                            <span>DISTRIBUTION CENTER REFERENCE: {{ $ref->ref_no }}</span>
                            <div style="text-align: center; margin: 10px 0;">
                                @php
                                    $dcQrcode = base64_encode(QrCode::format('svg')->size(200)->errorCorrection('H')->generate($ref->ref_no));
                                @endphp
                                <img src="data:image/png;base64, {!! $dcQrcode !!}">
                            </div>
                            <span>Distribution Center: {{ $dc->name ?? '' }}</span>
                            <br>
                            <span>Supplier: {{ $supplier->name ?? '' }}</span>
                            <br>
                            <span>Product Quantity: {{ $productQuantity }}</span>
                        </div>

                        {{-- @if ($cardCount % 2 == 0)
                            <div style="page-break-after: always;"></div>
                        @endif --}}
                    @endif
                @endforeach
            </div>
        </div>

        {{-- ======================= SHIPMENT QR CODES ======================= --}}
        <div style="page-break-before: always;">
            <h2>SHIPMENT QR CODES</h2>
            <div class="shipment-row">
                @php $cardCount = 0; @endphp

                @foreach ($shipments as $shipment)
                    @php
                        $cardCount++;
                        $productCount = collect($shipments)
                            ->where('supplier_id', $shipment->supplier_id)
                            ->where('distribution_center_id', $shipment->distribution_center_id)
                            ->unique('product_id')
                            ->count();
                    @endphp

                    <div class="shipment-card" style="text-align: left; margin-bottom: 30px;">
                        <span>SHIPMENT QR CODES</span>
                        <br><br>
                        <span>DEPLETION JOB NO: {{ $job_no }}</span>
                        <br>
                        <span>SHIPMENT REFERENCE: {{ $shipment->ref_no }}</span>
                        @if (!empty($shipment->ref_no))
                            <div style="text-align: center; margin: 10px 0;">
                                @php
                                    $qrcode = base64_encode(QrCode::format('svg')->size(200)->errorCorrection('H')->generate($shipment->ref_no));
                                @endphp
                                <img src="data:image/png;base64, {!! $qrcode !!}">
                            </div>
                        @else
                            <p>No QR code available.</p>
                        @endif
                        <span>Supplier: {{ $shipment->supplier ? $shipment->supplier->name : '' }}</span>
                        <br>
                        <span>Product: {{ $shipment->product ? $shipment->product->product_name . ' - ' . $shipment->product->zap_product_id : '' }}</span>
                        <br>
                        <span>Quantity: {{ number_format($shipment->qty, 0) }}</span>
                        <br>
                        <span>Destination: {{ $shipment->distribution ? $shipment->distribution->name : '' }}</span>
                        {{-- <br>
                        <span>Product Count: {{ $productCount }}</span> --}}
                    </div>

                    {{-- @if ($cardCount % 2 == 0)
                        <div style="page-break-after: always;"></div>
                    @endif --}}
                @endforeach
            </div>
        </div>
    </div>
</body>

</html>