@extends('layouts.user')
@section('page-title', 'Shopping Cart')

@section('content')
<h4 class="fw-bold mb-3">Shopping Cart</h4>

@if ($items->isEmpty())
    <p class="text-muted text-center py-5">Your cart is empty. Browse products to add items.</p>
@else
<div class="card mb-3">
    <div class="table-responsive">
        <table class="table mb-0">
            <thead><tr><th>Product</th><th>SKU</th><th>Price</th><th>Qty</th><th>Stock</th><th>Subtotal</th><th></th></tr></thead>
            <tbody>
                @foreach ($items as $row)
                @php $item = $row['item']; @endphp
                <tr>
                    <td class="fw-medium">{{ $item->product->name }}</td>
                    <td>{{ $item->product->sku }}</td>
                    <td>₹{{ number_format($row['price'],2) }}</td>
                    <td style="width:120px;">
                        <form method="POST" action="{{ route('user.cart.update', $item) }}" class="d-flex">
                            @csrf @method('PATCH')
                            <input type="number" name="quantity" value="{{ $item->quantity }}" min="{{ $item->product->min_order_quantity }}" max="{{ $item->product->stock_quantity }}" class="form-control form-control-sm" onchange="this.form.submit()">
                        </form>
                        @if ($row['below_minimum'])<div class="text-danger small">Min {{ $item->product->min_order_quantity }}</div>@endif
                        @if ($row['exceeds_stock'])<div class="text-danger small">Only {{ $item->product->stock_quantity }} left</div>@endif
                    </td>
                    <td>{{ $item->product->stock_quantity }}</td>
                    <td>₹{{ number_format($row['subtotal'],2) }}</td>
                    <td>
                        <form method="POST" action="{{ route('user.cart.destroy', $item) }}">
                            @csrf @method('DELETE')
                            <button class="btn btn-sm text-danger border-0"><i class="bi bi-trash"></i></button>
                        </form>
                    </td>
                </tr>
                @endforeach
            </tbody>
        </table>
    </div>
</div>

<div class="card ms-auto" style="max-width:360px;">
    <div class="card-body small">
        <div class="d-flex justify-content-between"><span class="text-muted">Subtotal</span><span>₹{{ number_format($subtotal,2) }}</span></div>
        <div class="d-flex justify-content-between"><span class="text-muted">GST</span><span>₹{{ number_format($taxAmount,2) }}</span></div>
        <div class="d-flex justify-content-between fw-bold fs-6 border-top pt-2 mt-2"><span>Total</span><span>₹{{ number_format($total,2) }}</span></div>
        @php $hasIssues = $items->contains(fn($r) => $r['exceeds_stock'] || $r['below_minimum']); @endphp
        <a href="{{ route('user.checkout.index') }}" class="btn btn-primary w-100 mt-3 {{ $hasIssues ? 'disabled' : '' }}">Proceed to Checkout</a>
        @if ($hasIssues)<p class="text-danger small mt-2">Resolve quantity issues above before checking out.</p>@endif
    </div>
</div>
@endif
@endsection