@extends('layouts.app')

@section('head')
    <meta name="csrf-token" content="{{ csrf_token() }}">
@endsection

@section('content')
    <div class="container py-5">
        <div class="row justify-content-center">
            <div class="col-lg-10">

                <div class="d-flex align-items-center mb-4">
                    <i class="fas fa-shopping-cart text-primary me-3" style="font-size: 2rem;"></i>
                    <h1 class="mb-0 fw-bold text-dark">Keranjang Belanja</h1>
                </div>

                @if (session('success'))
                    <div class="alert alert-success alert-dismissible fade show" role="alert">
                        {{ session('success') }}
                        <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
                    </div>
                @endif
                @if (session('error'))
                    <div class="alert alert-danger alert-dismissible fade show" role="alert">
                        {{ session('error') }}
                        <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
                    </div>
                @endif

                @if ($cartItems->isEmpty())
                    <div class="card text-center p-5 shadow-sm">
                        <i class="fas fa-shopping-cart fa-4x text-muted mb-3"></i>
                        <h3 class="text-muted">Keranjang Kosong</h3>
                        <a href="{{ route('user.product') }}" class="btn btn-primary mt-4">
                            <i class="fas fa-store me-2"></i> Belanja Sekarang
                        </a>
                    </div>
                @else
                    <div class="card shadow-sm">
                        <div class="table-responsive">
                            <table class="table mb-0">
                                <thead class="table-light">
                                    <tr>
                                        <th>Produk</th>
                                        <th class="text-center">Harga</th>
                                        <th class="text-center">Jumlah</th>
                                        <th class="text-center">Subtotal</th>
                                        <th class="text-center">Aksi</th>
                                    </tr>
                                </thead>
                                <tbody>
                                    @foreach ($cartItems as $item)
                                        <tr>
                                            <td>
                                                <div class="d-flex align-items-center">
                                                    <img src="{{ $item->product->image_url }}" alt=""
                                                        class="rounded"
                                                        style="width: 70px; height: 70px; object-fit: cover;">
                                                    <div class="ms-3">
                                                        <h6 class="mb-0">{{ $item->product->name }}</h6>
                                                        <small class="text-muted">Stok: {{ $item->product->stock }}</small>
                                                    </div>
                                                </div>
                                            </td>
                                            <td class="text-center text-primary fw-bold">{{ $item->formatted_price }}</td>
                                            <td class="text-center">
                                                <div class="d-flex justify-content-center align-items-center">
                                                    <button class="btn btn-outline-secondary"
                                                        onclick="updateQuantityFromDOM({{ $item->id }}, -1)">
                                                        <i class="fas fa-minus"></i>
                                                    </button>
                                                    <span
                                                        class="mx-3 fw-semibold quantity-{{ $item->id }}">{{ $item->quantity }}</span>
                                                    <button class="btn btn-outline-secondary"
                                                        onclick="updateQuantityFromDOM({{ $item->id }}, 1)">
                                                        <i class="fas fa-plus"></i>
                                                    </button>
                                                </div>
                                            </td>
                                            <td class="text-center fw-bold text-success subtotal-{{ $item->id }}">
                                                {{ $item->formatted_subtotal }}</td>
                                            <td class="text-center">
                                                <form action="{{ route('cart.destroy', $item->id) }}" method="POST"
                                                    class="d-inline delete-form">
                                                    @csrf
                                                    @method('DELETE')
                                                    <button type="button" class="btn btn-sm btn-outline-danger"
                                                        onclick="confirmDelete(this)">
                                                        <i class="fas fa-trash-alt me-1"></i> Hapus
                                                    </button>
                                                </form>
                                            </td>
                                        </tr>
                                    @endforeach
                                </tbody>
                            </table>
                        </div>

                        <div class="card-footer">
                            <div class="row align-items-center">
                                <div class="col-md-6">
                                    <h4 class="mb-0">Total: <span class="text-success fw-bold"
                                            id="cart-total">{{ $formattedTotal }}</span></h4>
                                </div>
                                <div class="col-md-6 text-end">
                                    <a href="{{ route('checkout.index') }}" class="btn btn-success btn-lg">
                                        <i class="fas fa-credit-card me-2"></i> Checkout
                                    </a>
                                </div>
                            </div>
                        </div>
                    </div>
                @endif
            </div>
        </div>
    </div>

    {{-- SCRIPT --}}
    <script>
        function updateQuantityFromDOM(cartId, delta) {
            const qtyEl = document.querySelector(`.quantity-${cartId}`);
            const currentQty = parseInt(qtyEl.textContent);
            const newQty = currentQty + delta;

            if (newQty < 1) return;

            // Show loading
            Swal.fire({
                title: 'Memperbarui...',
                allowOutsideClick: false,
                didOpen: () => {
                    Swal.showLoading();
                }
            });

            // Make API call to update quantity
            fetch(`{{ url('/cart') }}/${cartId}`, {
                    method: 'PUT',
                    headers: {
                        'Content-Type': 'application/json',
                        'X-CSRF-TOKEN': document.querySelector('meta[name="csrf-token"]').content
                    },
                    body: JSON.stringify({
                        quantity: newQty
                    })
                })
                .then(response => response.json())
                .then(data => {
                    Swal.close();
                    if (data.success) {
                        // Update DOM elements
                        document.querySelector(`.quantity-${cartId}`).textContent = newQty;
                        document.querySelector(`.subtotal-${cartId}`).textContent = data.subtotal;
                        document.querySelector('#cart-total').textContent = data.total;

                        // Show success message
                        Swal.fire({
                            title: 'Berhasil!',
                            text: 'Jumlah produk berhasil diperbarui',
                            icon: 'success',
                            timer: 1500,
                            showConfirmButton: false
                        });
                    } else {
                        Swal.fire('Gagal', data.error || 'Terjadi kesalahan', 'error');
                    }
                })
                .catch(error => {
                    Swal.close();
                    console.error('Error:', error);
                    Swal.fire('Gagal', 'Terjadi kesalahan jaringan', 'error');
                });
        }

        function confirmDelete(button) {
            Swal.fire({
                title: 'Hapus Produk?',
                text: 'Produk akan dihapus dari keranjang',
                icon: 'warning',
                showCancelButton: true,
                confirmButtonText: 'Ya, Hapus',
                cancelButtonText: 'Batal',
                confirmButtonColor: '#dc3545',
                cancelButtonColor: '#6c757d'
            }).then(result => {
                if (result.isConfirmed) {
                    button.closest('form').submit();
                }
            });
        }
    </script>
@endsection