@extends('layouts.app')

@section('title', 'Barcode sheet (52.5×29.7 mm labels)')

@section('content')
<div class="d-flex justify-content-between align-items-center mb-4 no-print">
    <h1 class="page-title mb-0">Barcode sheet (52.5×29.7 mm labels)</h1>
    <div class="d-flex gap-2 align-items-center">
        <span class="text-muted small">{{ count($labels) }} label(s)</span>
        <button type="button" class="btn btn-primary" onclick="window.print();"><i class="bi bi-printer me-1"></i> Print</button>
        <a href="{{ route('products.index') }}" class="btn btn-outline-secondary">Back to products</a>
    </div>
</div>

@if(empty($labels))
    <div class="card no-print">
        <div class="card-body text-center text-muted py-5">
            <p class="mb-0">No products selected. Go to <a href="{{ route('products.index') }}">Products</a>, select products using the checkboxes, then click &quot;Print barcode sheet&quot;.</p>
        </div>
    </div>
@else
    @php
        $perPage = 40; // 4 columns x 10 rows per A4 (52.5 x 29.7 mm labels)
        $chunks = array_chunk($labels, $perPage);
    @endphp
    @foreach($chunks as $pageLabels)
        <div class="barcode-page">
            <div class="barcode-grid">
                @foreach($pageLabels as $item)
                    <div class="barcode-label">
                        <div class="barcode-name">{{ $item['product']->name }}</div>
                        <div class="barcode-price">₹ {{ number_format($item['product']->selling_price, 2) }}/-</div>
                        <div class="barcode-svg">{!! $item['svg'] !!}</div>
                        <div class="barcode-code">{{ $item['barcode'] }}</div>
                    </div>
                @endforeach
            </div>
        </div>
    @endforeach
@endif

@push('styles')
<style>
    /* Sticky labels: 52.5mm x 29.7mm. A4 = 210x297mm => 4 cols x 10 rows = 40 labels/page */
    .barcode-page {
        width: 210mm;
        min-height: 297mm;
        margin: 0 auto 1rem;
        padding: 0;
        background: #fff;
        box-shadow: 0 0 12px rgba(0,0,0,0.15);
    }
    .barcode-grid {
        display: grid;
        grid-template-columns: repeat(4, 52.5mm);
        grid-auto-rows: 29.7mm;
        width: 210mm;
        min-height: 297mm;
    }
    .barcode-label {
        width: 52.5mm;
        height: 29.7mm;
        border: 1px dashed #ddd;
        padding: 1.5mm 2mm;
        box-sizing: border-box;
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        page-break-inside: avoid;
    }
    .barcode-name {
        font-size: 7px;
        font-weight: 600;
        color: #333;
        margin-bottom: 0.5px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        width: 100%;
        line-height: 1.1;
    }
    .barcode-price {
        font-size: 8px;
        font-weight: 700;
        color: #111;
        margin-bottom: 1px;
    }
    .barcode-svg {
        flex: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 100%;
        overflow: hidden;
        min-height: 0;
    }
    .barcode-label svg {
        max-width: 100%;
        height: auto;
        max-height: 14mm;
    }
    .barcode-code {
        font-size: 6px;
        color: #666;
        letter-spacing: 0.03em;
    }
    @media print {
        body * { visibility: hidden; }
        .barcode-page, .barcode-page * { visibility: visible; }
        .barcode-page {
            position: absolute;
            left: 0;
            top: 0;
            width: 210mm !important;
            min-height: 297mm !important;
            margin: 0 !important;
            padding: 0 !important;
            box-shadow: none !important;
            page-break-after: always;
        }
        .barcode-page:last-child { page-break-after: auto; }
        .barcode-grid { width: 210mm; min-height: 297mm; }
        .no-print, .sidebar, .main-wrap .d-flex.mb-4 { display: none !important; }
        body { background: #fff !important; }
        .main-wrap { margin-left: 0 !important; padding: 0 !important; }
    }
</style>
@endpush
@endsection