@extends('layouts.app')

@section('title', 'POS Sales')

@section('content')
<div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-8">
    <!-- Stats Cards -->
    <div class="grid grid-cols-1 md:grid-cols-2 @if($hasFilters ?? false) lg:grid-cols-4 @endif gap-4 mb-6">
        <div class="bg-white dark:bg-gray-800 rounded-lg shadow p-6">
            <div class="flex items-center">
                <div class="p-3 rounded-full bg-green-100 dark:bg-green-900">
                    <svg class="w-6 h-6 text-green-600 dark:text-green-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 8c-1.657 0-3 .895-3 2s1.343 2 3 2 3 .895 3 2-1.343 2-3 2m0-8c1.11 0 2.08.402 2.599 1M12 8V7m0 1v8m0 0v1m0-1c-1.11 0-2.08-.402-2.599-1M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/>
                    </svg>
                </div>
                <div class="ml-4">
                    <p class="text-sm font-medium text-gray-500 dark:text-gray-400">Today's Sales</p>
                    <p class="text-2xl font-bold text-gray-900 dark:text-white">RM {{ number_format($todaySales, 2) }}</p>
                </div>
            </div>
        </div>
        <div class="bg-white dark:bg-gray-800 rounded-lg shadow p-6">
            <div class="flex items-center">
                <div class="p-3 rounded-full bg-blue-100 dark:bg-blue-900">
                    <svg class="w-6 h-6 text-blue-600 dark:text-blue-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2"/>
                    </svg>
                </div>
                <div class="ml-4">
                    <p class="text-sm font-medium text-gray-500 dark:text-gray-400">Today's Transactions</p>
                    <p class="text-2xl font-bold text-gray-900 dark:text-white">{{ number_format($todayCount) }}</p>
                </div>
            </div>
        </div>
        @if($hasFilters ?? false)
        <div class="bg-white dark:bg-gray-800 rounded-lg shadow p-6">
            <div class="flex items-center">
                <div class="p-3 rounded-full bg-purple-100 dark:bg-purple-900">
                    <svg class="w-6 h-6 text-purple-600 dark:text-purple-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M3 4a1 1 0 011-1h16a1 1 0 011 1v2.586a1 1 0 01-.293.707l-6.414 6.414a1 1 0 00-.293.707V17l-4 4v-6.586a1 1 0 00-.293-.707L3.293 7.293A1 1 0 013 6.586V4z"/>
                    </svg>
                </div>
                <div class="ml-4">
                    <p class="text-sm font-medium text-purple-500 dark:text-purple-400">Filtered Sales</p>
                    <p class="text-2xl font-bold text-purple-600 dark:text-purple-400">RM {{ number_format($filteredSales ?? 0, 2) }}</p>
                </div>
            </div>
        </div>
        <div class="bg-white dark:bg-gray-800 rounded-lg shadow p-6">
            <div class="flex items-center">
                <div class="p-3 rounded-full bg-purple-100 dark:bg-purple-900">
                    <svg class="w-6 h-6 text-purple-600 dark:text-purple-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M7 12l3-3 3 3 4-4M8 21l4-4 4 4M3 4h18M4 4h16v12a1 1 0 01-1 1H5a1 1 0 01-1-1V4z"/>
                    </svg>
                </div>
                <div class="ml-4">
                    <p class="text-sm font-medium text-purple-500 dark:text-purple-400">Filtered Count</p>
                    <p class="text-2xl font-bold text-purple-600 dark:text-purple-400">{{ number_format($filteredCount ?? 0) }}</p>
                </div>
            </div>
        </div>
        @endif
    </div>

    <div class="sm:flex sm:items-center justify-between mb-6">
        <div>
            <h1 class="text-3xl font-bold tracking-tight text-gray-900 dark:text-white">POS Sales</h1>
            <p class="mt-2 text-sm text-gray-700 dark:text-gray-300">All point-of-sale transactions</p>
        </div>
    </div>

    <!-- Filters -->
    <div class="bg-white dark:bg-gray-800 shadow rounded-lg p-4 mb-6">
        <form method="GET" action="{{ route('pos-sales.index') }}" class="grid grid-cols-1 md:grid-cols-6 gap-4">
            <div>
                <label class="block text-xs font-medium text-gray-500 dark:text-gray-400 mb-1">Search</label>
                <input type="text" name="search" value="{{ $search ?? '' }}" placeholder="Receipt/Customer..."
                    class="w-full px-3 py-2 border border-gray-300 rounded-md text-sm dark:bg-gray-700 dark:border-gray-600 dark:text-white">
            </div>
            @if($warehouses->count() > 0)
            <div>
                <label class="block text-xs font-medium text-gray-500 dark:text-gray-400 mb-1">Location</label>
                <select name="warehouse_id" class="w-full px-3 py-2 border border-gray-300 rounded-md text-sm dark:bg-gray-700 dark:border-gray-600 dark:text-white">
                    <option value="">All Locations</option>
                    @foreach($warehouses as $warehouse)
                        <option value="{{ $warehouse->id }}" {{ ($warehouseFilter ?? '') == $warehouse->id ? 'selected' : '' }}>{{ $warehouse->name }}</option>
                    @endforeach
                </select>
            </div>
            @endif
            <div>
                <label class="block text-xs font-medium text-gray-500 dark:text-gray-400 mb-1">From Date</label>
                <input type="date" name="date_from" value="{{ $dateFrom ?? '' }}"
                    class="w-full px-3 py-2 border border-gray-300 rounded-md text-sm dark:bg-gray-700 dark:border-gray-600 dark:text-white">
            </div>
            <div>
                <label class="block text-xs font-medium text-gray-500 dark:text-gray-400 mb-1">To Date</label>
                <input type="date" name="date_to" value="{{ $dateTo ?? '' }}"
                    class="w-full px-3 py-2 border border-gray-300 rounded-md text-sm dark:bg-gray-700 dark:border-gray-600 dark:text-white">
            </div>
            <div>
                <label class="block text-xs font-medium text-gray-500 dark:text-gray-400 mb-1">Payment</label>
                <select name="payment_method" class="w-full px-3 py-2 border border-gray-300 rounded-md text-sm dark:bg-gray-700 dark:border-gray-600 dark:text-white">
                    <option value="">All Methods</option>
                    <option value="cash" {{ ($paymentMethod ?? '') == 'cash' ? 'selected' : '' }}>Cash</option>
                    <option value="card" {{ ($paymentMethod ?? '') == 'card' ? 'selected' : '' }}>Card</option>
                    <option value="ewallet" {{ ($paymentMethod ?? '') == 'ewallet' ? 'selected' : '' }}>E-Wallet</option>
                    <option value="bank_transfer" {{ ($paymentMethod ?? '') == 'bank_transfer' ? 'selected' : '' }}>Bank Transfer</option>
                </select>
            </div>
            <div class="flex items-end gap-2">
                <button type="submit" class="px-4 py-2 bg-gray-600 text-white rounded-md hover:bg-gray-700 text-sm">Filter</button>
                <a href="{{ route('pos-sales.index') }}" class="px-4 py-2 bg-gray-200 text-gray-700 rounded-md hover:bg-gray-300 text-sm dark:bg-gray-600 dark:text-gray-200">Clear</a>
            </div>
        </form>
    </div>

    <div class="bg-white dark:bg-gray-800 shadow rounded-lg overflow-hidden">
        @if($sales->count() > 0)
            <div class="overflow-x-auto">
            <table class="min-w-full divide-y divide-gray-200 dark:divide-gray-700">
                <thead class="bg-gray-50 dark:bg-gray-700">
                    <tr>
                        <th class="px-3 py-3 text-left text-xs font-medium text-gray-500 dark:text-gray-400 uppercase">Receipt #</th>
                        <th class="px-3 py-3 text-left text-xs font-medium text-gray-500 dark:text-gray-400 uppercase">Date/Time</th>
                        <th class="px-3 py-3 text-left text-xs font-medium text-gray-500 dark:text-gray-400 uppercase">Location</th>
                        <th class="px-3 py-3 text-left text-xs font-medium text-gray-500 dark:text-gray-400 uppercase">Cashier</th>
                        <th class="px-3 py-3 text-left text-xs font-medium text-gray-500 dark:text-gray-400 uppercase">Customer</th>
                        <th class="px-3 py-3 text-center text-xs font-medium text-gray-500 dark:text-gray-400 uppercase">Payment</th>
                        <th class="px-3 py-3 text-right text-xs font-medium text-gray-500 dark:text-gray-400 uppercase">Total</th>
                        <th class="px-3 py-3 text-right text-xs font-medium text-gray-500 dark:text-gray-400 uppercase">Actions</th>
                    </tr>
                </thead>
                <tbody class="bg-white dark:bg-gray-800 divide-y divide-gray-200 dark:divide-gray-700">
                    @foreach($sales as $sale)
                        <tr class="hover:bg-gray-50 dark:hover:bg-gray-700">
                            <td class="px-3 py-3 whitespace-nowrap">
                                <span class="text-sm font-mono text-gray-900 dark:text-white">{{ $sale->receipt_number }}</span>
                                @if($sale->status === 'voided')
                                    <span class="ml-1 inline-flex items-center px-1.5 py-0.5 rounded text-xs font-medium bg-red-100 text-red-800 dark:bg-red-900 dark:text-red-200">Void</span>
                                @endif
                            </td>
                            <td class="px-3 py-3 whitespace-nowrap text-sm text-gray-500 dark:text-gray-400">
                                {{ $sale->created_at->format('d M Y, H:i') }}
                            </td>
                            <td class="px-3 py-3 whitespace-nowrap text-sm text-gray-500 dark:text-gray-400">
                                {{ $sale->warehouse->name ?? '-' }}
                            </td>
                            <td class="px-3 py-3 whitespace-nowrap text-sm text-gray-500 dark:text-gray-400">
                                {{ $sale->cashier->name ?? '-' }}
                            </td>
                            <td class="px-3 py-3 whitespace-nowrap">
                                @if($sale->customer)
                                    <a href="{{ route('pos-customers.show', $sale->customer) }}" class="text-sm text-indigo-600 hover:text-indigo-900 dark:text-indigo-400">
                                        {{ $sale->customer->name }}
                                    </a>
                                @elseif($sale->customer_name)
                                    <span class="text-sm text-gray-500 dark:text-gray-400">{{ $sale->customer_name }}</span>
                                @else
                                    <span class="text-sm text-gray-400">Walk-in</span>
                                @endif
                            </td>
                            <td class="px-3 py-3 whitespace-nowrap text-center">
                                <span class="inline-flex items-center px-2 py-0.5 rounded-full text-xs font-medium
                                    @if($sale->payment_method === 'cash') bg-green-100 text-green-800 dark:bg-green-900 dark:text-green-200
                                    @elseif($sale->payment_method === 'card') bg-blue-100 text-blue-800 dark:bg-blue-900 dark:text-blue-200
                                    @elseif($sale->payment_method === 'ewallet') bg-purple-100 text-purple-800 dark:bg-purple-900 dark:text-purple-200
                                    @else bg-gray-100 text-gray-800 dark:bg-gray-700 dark:text-gray-200
                                    @endif">
                                    {{ ucfirst(str_replace('_', ' ', $sale->payment_method)) }}
                                </span>
                            </td>
                            <td class="px-3 py-3 whitespace-nowrap text-sm text-right font-medium text-gray-900 dark:text-white">
                                RM {{ number_format($sale->total, 2) }}
                            </td>
                            <td class="px-3 py-3 whitespace-nowrap text-right text-sm font-medium space-x-2">
                                <button onclick="printReceipt({{ $sale->id }})" class="text-blue-600 hover:text-blue-900 dark:text-blue-400">Print</button>
                                <a href="{{ route('pos-sales.show', $sale) }}" class="text-indigo-600 hover:text-indigo-900 dark:text-indigo-400">View</a>
                            </td>
                        </tr>
                    @endforeach
                </tbody>
            </table>
            </div>
            <div class="px-6 py-4 border-t border-gray-200 dark:border-gray-700">
                {{ $sales->links() }}
            </div>
        @else
            <div class="text-center py-12">
                <svg class="mx-auto h-12 w-12 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2"/>
                </svg>
                <h3 class="mt-2 text-sm font-medium text-gray-900 dark:text-white">No sales yet</h3>
                <p class="mt-1 text-sm text-gray-500 dark:text-gray-400">Sales will appear here when transactions are made at POS outlets.</p>
            </div>
        @endif
    </div>
</div>

@push('scripts')
<script>
async function printReceipt(saleId) {
    try {
        const response = await fetch(`/pos-sales/${saleId}/receipt`);
        const result = await response.json();

        if (!result.success) {
            alert('Failed to load receipt');
            return;
        }

        const data = result.data;
        const width = data.print_settings?.paper_width === '58mm' ? '220px' : '300px';
        const fontSize = data.print_settings?.font_size || 12;

        let itemsHtml = '';
        if (data.items) {
            data.items.forEach(item => {
                itemsHtml += `
                    <div style="margin-bottom:8px;">
                        <div style="font-weight:bold;">${item.name}</div>
                        <div style="display:flex;justify-content:space-between;padding-left:10px;">
                            <span>${item.quantity} x RM ${item.unit_price}</span>
                            <span>RM ${item.line_total}</span>
                        </div>
                    </div>`;
            });
        }

        const receiptHtml = `<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <title>Receipt - ${data.receipt_number}</title>
  <style>
    * { margin:0; padding:0; box-sizing:border-box; }
    body { font-family:'Courier New',monospace; font-size:${fontSize}px; line-height:1.4; padding:15px; max-width:${width}; margin:0 auto; }
    .text-center { text-align:center; }
    .text-bold { font-weight:bold; }
    .divider { border-bottom:1px dashed #333; margin:10px 0; }
    .row { display:flex; justify-content:space-between; margin:3px 0; }
    .total-row { font-weight:bold; font-size:1.2em; border-top:1px solid #333; padding-top:5px; margin-top:5px; }
    @media print { body { padding:0; } }
  </style>
</head>
<body>
  <div class="text-center" style="margin-bottom:10px;">
    <div style="font-size:1.4em;font-weight:bold;">${data.store_name || 'My Store'}</div>
    ${data.store_address ? '<div style="font-size:0.85em;">' + data.store_address + '</div>' : ''}
    ${data.store_phone ? '<div style="font-size:0.85em;">Tel: ' + data.store_phone + '</div>' : ''}
  </div>

  <div class="divider"></div>

  <div class="row"><span>Receipt:</span><span class="text-bold">${data.receipt_number}</span></div>
  <div class="row"><span>Date:</span><span>${data.date} ${data.time}</span></div>
  ${data.cashier_name ? '<div class="row"><span>Cashier:</span><span>' + data.cashier_name + '</span></div>' : ''}
  ${data.outlet_name ? '<div class="row"><span>Outlet:</span><span>' + data.outlet_name + '</span></div>' : ''}

  ${data.customer ? '<div class="divider"></div><div class="row"><span>Customer:</span><span>' + data.customer.name + '</span></div><div class="row"><span>Phone:</span><span>' + data.customer.phone + '</span></div>' : ''}

  <div class="divider"></div>

  <div style="margin:10px 0;">
    ${itemsHtml}
  </div>

  <div class="divider"></div>

  <div class="row"><span>Subtotal:</span><span>RM ${data.subtotal}</span></div>
  ${data.discount ? '<div class="row"><span>' + data.discount.label + ':</span><span>-RM ' + data.discount.amount + '</span></div>' : ''}
  <div class="row total-row"><span>TOTAL:</span><span>RM ${data.total}</span></div>

  ${data.payment ? '<div class="divider"></div><div class="row"><span>Payment:</span><span>' + data.payment.method + '</span></div><div class="row"><span>Paid:</span><span>RM ' + data.payment.amount_paid + '</span></div>' + (data.payment.change ? '<div class="row text-bold"><span>Change:</span><span>RM ' + data.payment.change + '</span></div>' : '') : ''}

  ${data.agent_code ? '<div style="background:#e8f5e9;padding:5px 8px;margin:10px 0;border-radius:4px;text-align:center;font-size:0.9em;">Agent Code: ' + data.agent_code + '</div>' : ''}

  <div class="divider"></div>
  <div class="text-center" style="font-size:0.9em;">
    ${data.footer_text || 'Thank you for your purchase!'}
  </div>
</body>
</html>`;

        const printWindow = window.open('', '_blank', 'width=400,height=600');
        printWindow.document.write(receiptHtml);
        printWindow.document.close();
        printWindow.focus();
        setTimeout(() => printWindow.print(), 300);
    } catch (e) {
        console.error('Failed to print receipt', e);
        alert('Failed to print receipt');
    }
}
</script>
@endpush

@endsection