@extends('layouts.app')

@section('title', $product->name . ' - XING NEW')

@section('content')
<!-- Breadcrumb -->
<div class="bg-slate-100 py-3">
    <div class="container mx-auto px-4">
        <div class="flex items-center text-sm text-slate-500">
            <a href="/" class="hover:text-blue-600">Trang chủ</a>
            <span class="mx-2">/</span>
            <a href="{{ route('products.index') }}" class="hover:text-blue-600">Sản phẩm</a>
            <span class="mx-2">/</span>
            <span class="text-slate-800 font-medium truncate">{{ $product->name }}</span>
        </div>
    </div>
</div>

<div class="py-12 bg-white">
    <div class="container mx-auto px-4">
        <div class="grid grid-cols-1 lg:grid-cols-2 gap-12">
            <!-- Product Images -->
            <div data-aos="fade-right">
                <div class="sticky top-24">
                    <!-- Main Image -->
                    <div class="aspect-square rounded-3xl overflow-hidden bg-slate-50 border border-slate-100 mb-4 group">
                        @if($product->image)
                            <img id="main-product-image" src="{{ Storage::url($product->image) }}" alt="{{ $product->name }}" class="w-full h-full object-contain p-4 group-hover:scale-105 transition-transform duration-500">
                        @else
                            <div class="w-full h-full flex items-center justify-center text-slate-300">
                                <svg class="w-20 h-20" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 16l4.586-4.586a2 2 0 012.828 0L16 16m-2-2l1.586-1.586a2 2 0 012.828 0L20 14m-6-6h.01M6 20h12a2 2 0 002-2V6a2 2 0 00-2-2H6a2 2 0 00-2 2v12a2 2 0 002 2z"></path></svg>
                            </div>
                        @endif
                    </div>
                    
                    <!-- Thumbnails -->
                    @if($product->images && count($product->images) > 0)
                        <div class="grid grid-cols-5 gap-3">
                            <div class="aspect-square rounded-xl overflow-hidden border-2 border-blue-600 cursor-pointer thumbnail-img active">
                                <img src="{{ Storage::url($product->image) }}" class="w-full h-full object-cover">
                            </div>
                            @foreach($product->images as $img)
                                <div class="aspect-square rounded-xl overflow-hidden border-2 border-transparent hover:border-blue-600 transition-all cursor-pointer thumbnail-img">
                                    <img src="{{ Storage::url($img) }}" class="w-full h-full object-cover">
                                </div>
                            @endforeach
                        </div>
                    @endif
                </div>
            </div>

            <!-- Product Info -->
            <div data-aos="fade-left">
                <div class="mb-8">
                    <span class="inline-block px-3 py-1 bg-blue-100 text-blue-600 text-xs font-bold rounded-full mb-3 uppercase tracking-wider">
                        {{ $product->category?->name }}
                    </span>
                    <h1 class="text-3xl md:text-4xl font-bold text-slate-900 mb-2">{{ $product->name }}</h1>
                    
                    <div class="flex items-center gap-4 mb-4">
                        <div class="flex text-yellow-400">
                            @php $avg = $product->reviews->avg('rating') ?: 5; @endphp
                            @for($i = 1; $i <= 5; $i++)
                                <svg class="w-4 h-4 {{ $i <= $avg ? 'fill-current' : 'text-slate-200 fill-current' }}" viewBox="0 0 20 20"><path d="M9.049 2.927c.3-.921 1.603-.921 1.902 0l1.07 3.292a1 1 0 00.95.69h3.462c.969 0 1.371 1.24.588 1.81l-2.8 2.034a1 1 0 00-.364 1.118l1.07 3.292c.3.921-.755 1.688-1.54 1.118l-2.8-2.034a1 1 0 00-1.175 0l-2.8 2.034c-.784.57-1.838-.197-1.539-1.118l1.07-3.292a1 1 0 00-.364-1.118L2.98 8.72c-.783-.57-.38-1.81.588-1.81h3.461a1 1 0 00.951-.69l1.07-3.292z"/></svg>
                            @endfor
                        </div>
                        <span class="text-sm font-medium text-slate-400 uppercase tracking-wider">{{ $product->reviews->count() }} đánh giá</span>
                    </div>

                    <div class="flex items-center gap-6 mb-4">
                        <div class="flex items-center">
                            @if($product->contact_for_price)
                                <span class="text-3xl font-bold text-blue-600">Liên hệ</span>
                            @else
                                <span class="text-3xl font-bold text-blue-600">{{ number_format($product->price, 0, ',', '.') }}đ</span>
                                @if($product->old_price)
                                    <span class="text-lg text-slate-400 line-through ml-3">{{ number_format($product->old_price, 0, ',', '.') }}đ</span>
                                @endif
                            @endif
                        </div>
                        @if($product->sku)
                            <div class="text-sm text-slate-500 bg-slate-100 px-3 py-1 rounded-md">SKU: {{ $product->sku }}</div>
                        @endif
                    </div>
                    <p class="text-slate-600 leading-relaxed">{{ $product->short_description }}</p>
                </div>

                <!-- Add to Cart Form -->
                <form action="{{ route('cart.add', $product->id) }}" method="POST" class="space-y-8" id="add-to-cart-form">
                    @csrf
                    
                    <!-- Attributes -->
                    @if($groupedAttributes->count() > 0)
                        <div class="space-y-6">
                            @foreach($groupedAttributes as $attrName => $values)
                                <div>
                                    <label class="block text-sm font-bold text-slate-900 mb-3 uppercase tracking-wide">{{ $attrName }}</label>
                                    <div class="flex flex-wrap gap-2">
                                        @foreach($values as $val)
                                            <label class="relative cursor-pointer group">
                                                <input type="radio" name="attributes[{{ $attrName }}]" value="{{ $val->name }}" class="peer sr-only" required>
                                                <div class="px-4 py-2 border-2 border-slate-200 rounded-xl text-sm font-medium text-slate-700 peer-checked:border-blue-600 peer-checked:text-blue-600 peer-checked:bg-blue-50 hover:border-slate-300 transition-all">
                                                    {{ $val->name }}
                                                </div>
                                            </label>
                                        @endforeach
                                    </div>
                                </div>
                            @endforeach
                        </div>
                    @endif

                    @if(!$product->contact_for_price)
                        <!-- Quantity -->
                        <div class="flex items-center gap-4">
                            <label class="font-bold text-slate-900 uppercase tracking-wide text-sm">Số lượng:</label>
                            <div class="flex items-center border-2 border-slate-200 rounded-xl overflow-hidden bg-white">
                                <button type="button" class="px-4 py-2 hover:bg-slate-50 text-slate-600 border-r-2 border-slate-200 font-bold qty-btn" data-type="minus">-</button>
                                <input type="number" name="quantity" value="1" min="1" class="w-16 text-center border-none focus:ring-0 text-slate-900 font-bold" id="product-quantity">
                                <button type="button" class="px-4 py-2 hover:bg-slate-50 text-slate-600 border-l-2 border-slate-200 font-bold qty-btn" data-type="plus">+</button>
                            </div>
                        </div>
                    @endif

                    <!-- Buttons -->
                    <div class="flex flex-col sm:flex-row gap-4 pt-4 border-t border-slate-100">
                        @if($product->contact_for_price)
                            <a href="https://zalo.me/{{ preg_replace('/\D/', '', $settings?->phone ?? '0948380880') }}" target="_blank" class="flex-grow bg-blue-600 hover:bg-blue-700 text-white font-bold py-4 rounded-2xl shadow-lg shadow-blue-500/30 transition-all transform hover:-translate-y-1 flex items-center justify-center gap-2">
                                <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M3 5a2 2 0 012-2h3.28a1 1 0 01.948.684l1.498 4.493a1 1 0 01-.502 1.21l-2.257 1.13a11.042 11.042 0 005.516 5.516l1.13-2.257a1 1 0 011.21-.502l4.493 1.498a1 1 0 01.684.949V19a2 2 0 01-2 2h-1C9.716 21 3 14.284 3 6V5z"></path></svg>
                                Liên hệ qua Zalo
                            </a>
                            <a href="tel:{{ $settings?->phone ?? '0948380880' }}" class="flex-grow bg-slate-900 hover:bg-slate-800 text-white font-bold py-4 rounded-2xl shadow-lg transition-all transform hover:-translate-y-1 flex items-center justify-center gap-2">
                                <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M3 5a2 2 0 012-2h3.28a1 1 0 01.948.684l1.498 4.493a1 1 0 01-.502 1.21l-2.257 1.13a11.042 11.042 0 005.516 5.516l1.13-2.257a1 1 0 011.21-.502l4.493 1.498a1 1 0 01.684.949V19a2 2 0 01-2 2h-1C9.716 21 3 14.284 3 6V5z"></path></svg>
                                Gọi hotline
                            </a>
                        @else
                            <button type="submit" class="flex-grow bg-blue-600 hover:bg-blue-700 text-white font-bold py-4 rounded-2xl shadow-lg shadow-blue-500/30 transition-all transform hover:-translate-y-1 flex items-center justify-center gap-2">
                                <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M3 3h2l.4 2M7 13h10l4-8H5.4M7 13L5.4 5M7 13l-2.293 2.293c-.63.63-.184 1.707.707 1.707H17m0 0a2 2 0 100 4 2 2 0 000-4zm-8 2a2 2 0 11-4 0 2 2 0 014 0z"></path></svg>
                                Thêm vào giỏ hàng
                            </button>
                        @endif
                        <button type="button" class="flex-none bg-slate-100 hover:bg-slate-200 text-slate-600 p-4 rounded-2xl transition-all toggle-wishlist {{ in_array($product->id, session('wishlist', [])) ? 'text-red-500 bg-red-50' : '' }}" data-id="{{ $product->id }}">
                            <svg class="w-6 h-6 {{ in_array($product->id, session('wishlist', [])) ? 'fill-current' : 'fill-none' }}" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4.318 6.318a4.5 4.5 0 000 6.364L12 20.364l7.682-7.682a4.5 4.5 0 00-6.364-6.364L12 7.636l-1.318-1.318a4.5 4.5 0 00-6.364 0z"></path></svg>
                        </button>
                    </div>
                </form>

                <!-- More info -->
                <div class="mt-8 pt-8 border-t border-slate-100 grid grid-cols-2 gap-4">
                    <div class="flex items-center gap-3 text-slate-600">
                        <div class="w-8 h-8 rounded-full bg-green-100 flex items-center justify-center text-green-600">
                            <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="3" d="M5 13l4 4L19 7"></path></svg>
                        </div>
                        <span class="text-sm">Giao hàng toàn quốc</span>
                    </div>
                    <div class="flex items-center gap-3 text-slate-600">
                        <div class="w-8 h-8 rounded-full bg-blue-100 flex items-center justify-center text-blue-600">
                            <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12l2 2 4-4m5.618-4.016A11.955 11.955 0 0112 2.944a11.955 11.955 0 01-8.618 3.04A12.02 12.02 0 003 9c0 5.591 3.824 10.29 9 11.622 5.176-1.332 9-6.03 9-11.622 0-1.042-.133-2.052-.382-3.016z"></path></svg>
                        </div>
                        <span class="text-sm">Sản phẩm chính hãng</span>
                    </div>
                </div>
            </div>
        </div>

        <!-- Tabs / Description -->
        <div class="mt-16" data-aos="fade-up">
        <!-- Product Description -->
        <div class="mt-16" data-aos="fade-up">
            <h2 class="text-2xl font-bold text-slate-900 mb-8 pb-4 border-b border-slate-200">Mô tả chi tiết sản phẩm</h2>
            <div class="prose prose-slate prose-lg max-w-none">
                {!! $product->description !!}
            </div>
        </div>

        <!-- Product Reviews -->
        <div class="mt-24" data-aos="fade-up">
            <h2 class="text-2xl font-bold text-slate-900 mb-8 pb-4 border-b border-slate-200">Đánh giá từ khách hàng</h2>
            <div class="space-y-12">
                @include('partials.reviews')
            </div>
        </div>
        </div>

        <!-- Related Products -->
        @if($relatedProducts->count() > 0)
            <div class="mt-20" data-aos="fade-up">
                <h2 class="text-2xl font-bold text-slate-900 mb-8 capitalize">Sản phẩm tương tự</h2>
                <div class="grid grid-cols-2 lg:grid-cols-4 gap-6">
                    @foreach($relatedProducts as $rel)
                        <div class="group bg-slate-50 rounded-2xl p-4 hover:bg-white hover:shadow-xl transition-all border border-transparent hover:border-slate-100">
                            <div class="aspect-square rounded-xl overflow-hidden bg-white mb-4">
                                <a href="{{ route('products.show', $rel->slug) }}">
                                    @if($rel->image)
                                        <img src="{{ Storage::url($rel->image) }}" class="w-full h-full object-cover group-hover:scale-105 transition-transform">
                                    @else
                                        <div class="w-full h-full bg-slate-100"></div>
                                    @endif
                                </a>
                            </div>
                            <h3 class="font-bold text-slate-800 text-sm md:text-base leading-tight mb-2 line-clamp-1">
                                <a href="{{ route('products.show', $rel->slug) }}">{{ $rel->name }}</a>
                            </h3>
                            <div class="flex items-center justify-between">
                                @if($rel->contact_for_price)
                                    <span class="text-blue-600 font-bold">Liên hệ</span>
                                @else
                                    <span class="text-blue-600 font-bold">{{ number_format($rel->price, 0, ',', '.') }}đ</span>
                                @endif
                                <a href="{{ route('products.show', $rel->slug) }}" class="w-8 h-8 rounded-full bg-white flex items-center justify-center text-slate-600 hover:bg-blue-600 hover:text-white transition-colors shadow-sm">
                                    <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 4v16m8-8H4"></path></svg>
                                </a>
                            </div>
                        </div>
                    @endforeach
                </div>
            </div>
        @endif
    </div>
</div>

@push('scripts')
<script>
    $(document).ready(function() {
        // Thumbnail switching
        $('.thumbnail-img').click(function() {
            var src = $(this).find('img').attr('src');
            $('#main-product-image').attr('src', src);
            $('.thumbnail-img').removeClass('border-blue-600 active').addClass('border-transparent');
            $(this).removeClass('border-transparent').addClass('border-blue-600 active');
        });

        // Quantity buttons
        $('.qty-btn').click(function() {
            var input = $('#product-quantity');
            var val = parseInt(input.val());
            if ($(this).data('type') === 'plus') {
                input.val(val + 1);
            } else if (val > 1) {
                input.val(val - 1);
            }
        });

        // Review Image Preview
        $('#review-images').change(function() {
            const files = this.files;
            const previewContainer = $('#image-previews');
            
            // Remove existing previews except the label
            previewContainer.find('.preview-item').remove();
            
            if (files.length > 3) {
                showToast('Bạn chỉ có thể chọn tối đa 3 hình ảnh.', 'error');
                this.value = '';
                return;
            }

            for (let i = 0; i < files.length; i++) {
                const reader = new FileReader();
                reader.onload = function(e) {
                    const html = `
                        <div class="relative w-16 h-16 rounded-xl overflow-hidden border border-slate-100 preview-item">
                            <img src="${e.target.result}" class="w-full h-full object-cover">
                        </div>
                    `;
                    previewContainer.append(html);
                }
                reader.readAsDataURL(files[i]);
            }
        });

        // Star rating hover
        $('.rating-input label').hover(
            function() {
                const stars = $(this).parent().find('label');
                const index = $(this).index();
                stars.each(function(i) {
                    if (i >= index) $(this).addClass('text-yellow-400').removeClass('text-slate-300');
                    else $(this).addClass('text-slate-300').removeClass('text-yellow-400');
                });
            },
            function() {
                const stars = $(this).parent().find('label');
                const checked = $(this).parent().find('input:checked + label');
                const checkedIndex = checked.length ? checked.index() : 100;
                
                stars.each(function(i) {
                    if (i >= checkedIndex) $(this).addClass('text-yellow-400').removeClass('text-slate-300');
                    else $(this).addClass('text-slate-300').removeClass('text-yellow-400');
                });
            }
        );

        // AJAX Add to Cart
        $('#add-to-cart-form').submit(function(e) {
            e.preventDefault();
            var form = $(this);
            var btn = form.find('button[type="submit"]');
            var originalText = btn.html();
            
            btn.prop('disabled', true).html('Đang thêm...');
            
            $.ajax({
                url: form.attr('action'),
                method: 'POST',
                data: form.serialize(),
                success: function(response) {
                    if (response.success) {
                        // Update cart badge
                        $('#cart-badge').text(response.cart_count).removeClass('hidden').addClass('flex');
                        showToast('Đã thêm sản phẩm vào giỏ hàng!');
                        
                        setTimeout(function() {
                            btn.prop('disabled', false).html(originalText);
                        }, 1000);
                    }
                },
                error: function() {
                    btn.prop('disabled', false).html(originalText);
                    showToast('Có lỗi xảy ra, vui lòng thử lại!', 'error');
                }
            });
        });
    });
</script>
@endpush
@endsection