@extends($layout)

@section('title', 'Keranjang Anda')

@section('content')
    <div class="container py-4">
        <h4 class="mb-4 fw-bold text-center ">🛒 Keranjang Anda</h4>

        @if (empty($carts))
            <div class="alert alert-warning">Keranjang masih kosong.</div>
            <a href="{{ route('select.product') }}" class="btn btn-outline-dark">➕ Buat Desain Baru</a>
        @else
            <div class="row g-3 justify-content-{{ count($carts) === 1 ? 'center' : 'start' }}">
                {{-- Card Tambah Desain --}}
                <div class="col-12 col-md-6 col-lg-4">
                    <a href="{{ route('select.product') }}"
                        class="card card-add-design h-100 d-flex align-items-center justify-content-center text-decoration-none">
                        <div class="text-center p-5">
                            <div class="display-4 fw-bold">+</div>
                            <div class="fw-bold mt-2">Tambah Desain</div>
                        </div>
                    </a>
                </div>

                @foreach ($carts as $cart)
                    <div class="col-12 col-md-6 col-lg-4">

                        <div class="card shadow-sm">
                            <img src="{{ $cart['image_path'] }}" class="image-preview rounded-top" alt="Desain">

                            <div class="card-body" data-cart-item data-id="{{ $cart['id'] }}"
                                data-qty="{{ $cart['quantity'] }}" data-weight="{{ $cart['weight'] }}"
                                data-price="{{ $cart['price'] }}">
                                <div class="d-flex align-items-center mb-2">
                                    <div>
                                        <strong>{{ $cart['sku_name'] }}</strong><br>
                                        <small>Berat: {{ $cart['weight'] }}gr</small>
                                    </div>
                                </div>

                                {{-- Qty stepper --}}
                                <div class="d-flex align-items-center gap-2 mb-2">
                                    <strong class="me-2">Qty:</strong>
                                    <div class="qty-stepper d-inline-flex align-items-center">
                                        <button type="button" class="btn btn-sm btn-outline-secondary btn-dec">−</button>
                                        <input type="number" class="form-control form-control-sm qty-input mx-1"
                                            min="1" value="{{ $cart['quantity'] }}" style="width:70px;">
                                        <button type="button" class="btn btn-sm btn-outline-secondary btn-inc">+</button>
                                    </div>
                                </div>
                                {{-- Harga satuan & subtotal live --}}
                                <p class="mb-1">
                                    <strong>Harga Satuan:</strong>
                                    Rp <span class="unit-price"
                                        data-raw="{{ $cart['price'] }}">{{ number_format($cart['price'], 0, ',', '.') }}</span>
                                </p>
                                <p class="mb-1">
                                    <strong>Subtotal:</strong>
                                    Rp <span class="line-subtotal">0</span>
                                </p>
                                <div class="d-flex align-items-center">
                                    <form action="{{ route('cart.delete', ['id' => $cart['id']]) }}" method="POST"
                                        onsubmit="return confirm('Hapus item ini?')" class="m-0">
                                        @csrf
                                        <button class="btn btn-sm btn-outline-danger">
                                            🗑 Hapus
                                        </button>
                                    </form>

                                    <a href="{{ route('lab.webgl', ['image' => $cart['image_path']]) }}" target="_blank"
                                        class="btn btn-sm btn-outline-primary ms-auto">
                                        <img src="{{ asset('assets/eye.png') }}" alt="Preview" style="width:22px;">
                                        3D Preview
                                    </a>
                                </div>
                            </div>
                        </div>
                    </div>
                @endforeach
            </div>

            <div id="checkoutFormSection" class="d-none mt-4">
                @include('partials.checkout-inline', ['provs' => $provs])
            </div>

            <div class="mt-4 d-grid gap-2">
                <a href="{{ route('select.product') }}" class="btn btn-outline-dark">➕ Tambah Desain</a>
                {{-- <button type="button" id="startNowBtn" class="btn btn-light fw-bold" onclick="showCheckoutForm()"> --}}

                <button type="button" id="startNowBtn" class="btn btn-light fw-bold">
                    📦 Lanjut
                    Checkout</button>

                {{-- Flag login dari server --}}
                @php
                    $isLoggedIn = session()->has('token');
                    // dd($isLoggedIn);
                @endphp

                <script>
                    document.getElementById('startNowBtn').addEventListener('click', function(e) {
                        e.preventDefault();

                        if (@json($isLoggedIn)) {
                            // Sudah login → langsung ke halaman select product
                            showCheckoutForm()
                        } else {
                            // Belum login → alert & redirect ke login
                            alert('Silakan login terlebih dahulu untuk mulai custom.');
                            window.location.href = @json(route('login.page', ['nexturl' => route('cart.show', ['open' => 'checkout'])]));
                        }
                    });
                </script>
            </div>
        @endif
    </div>
@endsection

@push('scripts')
    <script>
        window.selectedPrice = {{ $totalPrice ?? 0 }};
        window.selectedWeight = {{ $totalWeight ?? 0 }};
        window.uuid = "{{ session('uuid') }}";
        window.checkoutUrl = "{{ route('cart.checkout') }}";
        window.syncCartUrl = "{{ route('cart.sync') }}"; // endpoint POST /cart/sync-quantities
        window.activePromo = @json($activePromo ?? null);


        function showCheckoutForm() {
            console.log('✅ showCheckoutForm DIPANGGIL');
            const btn = document.getElementById('startNowBtn');
            console.log('startNowBtn:', btn);

            if (btn) {
                btn.classList.add('d-none');
                console.log('🎯 class d-none DITAMBAHKAN');
            } else {
                console.warn('❌ startNowBtn tidak ditemukan di DOM');
            }

            document.getElementById('checkoutFormSection').classList.remove('d-none');
            document.getElementById('startNowBtn').classList.add('d-none');
            $('#coSubtotal').text(formatRupiah(window.selectedPrice || 0));
            $('#coOngkir').text('Rp 0').removeAttr('data-value');
            $('#coTotal').text(formatRupiah(window.selectedPrice || 0));
            $('#submit-button').prop('disabled', true);
            $('.btn-courier').prop('checked', false);
            document.getElementById('checkoutFormSection').scrollIntoView({
                behavior: 'smooth'
            });

        }
    </script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/html2canvas/1.4.1/html2canvas.min.js"></script>
    <script src="{{ asset('js/checkout-handler.js') }}"></script>
    <script>
        // --- helper: kumpulkan cart_id + qty terbaru dari DOM ---
        function collectCartItemsForSync() {
            const items = [];
            document.querySelectorAll('[data-cart-item]').forEach(row => {
                const cartId = parseInt(row.dataset.id, 10); // <- pakai data-id (bukan data-cart-id)
                let qty = parseInt(row.dataset.qty, 10);
                if (!qty || qty < 1) {
                    const inp = row.querySelector('.qty-input');
                    qty = Math.max(1, parseInt(inp?.value, 10) || 1);
                }
                if (cartId) items.push({
                    cart_id: cartId,
                    quantity: qty
                });
            });
            return items;
        }

        // --- helper: sync ke server sebelum checkout ---
        function syncCartBeforeCheckout() {
            const items = collectCartItemsForSync();
            if (!items.length) {
                // tidak ada baris untuk disinkronkan
                return $.Deferred().resolve({
                    status: true
                }).promise();
            }
            const csrfToken = document.querySelector('meta[name="csrf-token"]')?.getAttribute('content') || "";
            return $.ajax({
                url: window.syncCartUrl,
                method: "POST",
                data: {
                    uuid: window.uuid,
                    items
                },
                headers: {
                    "X-CSRF-TOKEN": csrfToken
                }
            });
        }

        // --- WRAP finalCheckout lama: simpan referensi lama, lalu bungkus ---
        window.__finalCheckoutOriginal = window.finalCheckout; // simpan yg lama

        window.finalCheckout = function() {
            // UX: lock button & info
            $("#submit-button").prop("disabled", true).text("Menyinkronkan keranjang...");

            syncCartBeforeCheckout()
                .done(function() {
                    // setelah sync sukses → jalankan finalCheckout lama persis seperti sebelumnya
                    $("#submit-button").text("Mengirim...");
                    window.__finalCheckoutOriginal();
                })
                .fail(function(xhr) {
                    console.error('Sync cart failed', xhr?.responseJSON || xhr?.statusText || xhr);
                    alert('Gagal menyinkronkan keranjang. Coba lagi.');
                    $("#submit-button").prop("disabled", false).text("Kirim & Checkout");
                });
        };
    </script>

    <script>
        (function() {
            const rupiah = (n) => (n || 0).toLocaleString('id-ID');

            function initRows() {
                document.querySelectorAll('[data-cart-item]').forEach(row => {
                    const price = parseInt(row.dataset.price, 10) || 0;
                    const qtyInp = row.querySelector('.qty-input');
                    const decBtn = row.querySelector('.btn-dec');
                    const incBtn = row.querySelector('.btn-inc');

                    if (!qtyInp) return;

                    qtyInp.value = Math.max(1, parseInt(row.dataset.qty, 10) || 1);

                    const recalcLine = () => {
                        const q = Math.max(1, parseInt(qtyInp.value, 10) || 1);
                        const subtotal = price * q;
                        row.querySelector('.line-subtotal').textContent = rupiah(subtotal);
                        row.dataset.qty = q;
                    };

                    decBtn?.addEventListener('click', () => {
                        qtyInp.value = Math.max(1, (parseInt(qtyInp.value, 10) || 1) - 1);
                        recalcLine();
                        recalcTotals();
                    });
                    incBtn?.addEventListener('click', () => {
                        qtyInp.value = (parseInt(qtyInp.value, 10) || 1) + 1;
                        recalcLine();
                        recalcTotals();
                    });
                    qtyInp.addEventListener('input', () => {
                        qtyInp.value = qtyInp.value.replace(/[^\d]/g, '');
                        recalcLine();
                        recalcTotals();
                    });
                    qtyInp.addEventListener('blur', () => {
                        if (!qtyInp.value) qtyInp.value = 1;
                        recalcLine();
                        recalcTotals();
                    });

                    recalcLine();
                });

                recalcTotals();
            }

            function recalcTotals() {
                let totalPrice = 0;
                let totalWeight = 0;

                document.querySelectorAll('[data-cart-item]').forEach(row => {
                    const price = parseInt(row.dataset.price, 10) || 0;
                    const weight = parseInt(row.dataset.weight, 10) || 0;
                    const qty = Math.max(1, parseInt(row.dataset.qty, 10) || 1);

                    totalPrice += price * qty;
                    totalWeight += weight * qty;
                });

                window.selectedPrice = totalPrice;
                window.selectedWeight = totalWeight;

                // update summary bawah (checkout-inline)
                const subtotalEl = document.getElementById('coSubtotal');
                const totalEl = document.getElementById('coTotal');
                const ongkirEl = document.getElementById('coOngkir');
                const shipping = parseInt(ongkirEl?.dataset.value || 0, 10) || 0;

                if (subtotalEl) subtotalEl.textContent = "Rp " + rupiah(totalPrice);
                if (totalEl) totalEl.textContent = "Rp " + rupiah(totalPrice + shipping);
                if (ongkirEl && !ongkirEl.dataset.value) ongkirEl.textContent = "Rp 0";
                // ⬇️ ini yang bikin diskon auto recalculated tiap qty berubah
                setSummary(totalPrice, shipping);
            }

            window.showCheckoutForm = function() {
                document.getElementById('checkoutFormSection').classList.remove('d-none');
                document.getElementById('startNowBtn').classList.add('d-none');

                document.getElementById('checkoutFormSection').scrollIntoView({
                    behavior: 'smooth'
                });
                recalcTotals(); // buka form → langsung sync subtotal
            };

            initRows();
        })();
    </script>
@endpush

@push('styles')
    <style>
        /* BACKGROUND */
        .bg-pattern {
            background: url('{{ asset('assets/new-asset/bg-mobile.webp') }}') no-repeat center top;
            background-size: cover;
        }

        .product-thumb {
            width: 40px;
            height: 40px;
            object-fit: cover;
            border-radius: 5px;
            margin-right: 10px;
        }

        .image-preview {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }

        .image-preview {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }

        @media (min-width: 768px) {

            .bg-pattern {
                background: url('{{ asset('assets/new-asset/bg-desktop.webp') }}') no-repeat center top;
                background-size: cover;
            }

            /* Untuk desktop/tablet */
            .cart-layout {
                display: flex;
                flex-direction: row;
                gap: 24px;
            }

            .cart-layout .cart-image {
                flex: 0 0 300px;
            }

            .cart-layout .cart-info {
                flex: 1;
            }

            .image-preview {
                aspect-ratio: 4/3;
            }
        }

        .qty-stepper .btn {
            width: 36px;
        }

        .qty-stepper .qty-input {
            text-align: center;
        }

        .border-dashed {
            border: 2px dashed #ccc;
            border-radius: 8px;
            transition: all .2s;
        }

        .border-dashed:hover {
            border-color: #28a745;
            background: #f8f9fa;
        }

        .card-add-design {
            background: rgba(255, 255, 255, 0.63);
            /* semi transparan */
            border: 2px dashed #28a745;
            border-radius: 12px;
            color: #0d8028;
            transition: all .2s;
        }

        .card-add-design:hover {
            background: rgba(40, 167, 69, 0.2);
            border-color: #1e7e34;
        }
    </style>
@endpush
ob_start();

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