@extends('layouts.app')

@section('content')
    <div class="container-xxl flex-grow-1 container-p-y">
        <div class="card">
            <div class="card-header">
                <div class="row align-items-center">
                    <div class="col-8">
                        <h5 class="card-title mb-0">
                            Upload Images for: <span class="text-primary">{{ $product->name }}</span>
                        </h5>
                    </div>
                    <div class="col-4 text-end">
                        <a href="{{ route('products.images.index', $product->id) }}" class="btn btn-secondary">
                            <i class="fas fa-arrow-left me-2"></i>Back to Images
                        </a>
                    </div>
                </div>
                <hr />
            </div>

            <div class="card-body">
                <div class="alert alert-info">
                    <i class="fas fa-lightbulb me-2"></i>
                    <strong>Tips:</strong> You can upload multiple images at once. Maximum file size: 5MB per image.
                </div>

                <form action="{{ route('products.images.store', $product->id) }}" method="POST" enctype="multipart/form-data">
                    @csrf

                    <div class="mb-4">
                        <label for="images" class="form-label">Select Images <span class="text-danger">*</span></label>
                        <input type="file" 
                               class="form-control @error('images') is-invalid @enderror @error('images.*') is-invalid @enderror" 
                               id="images" 
                               name="images[]"
                               accept="image/*"
                               multiple
                               required>
                        
                        @error('images')
                            <div class="invalid-feedback">{{ $message }}</div>
                        @enderror
                        
                        @error('images.*')
                            <div class="invalid-feedback">{{ $message }}</div>
                        @enderror
                        
                        <div class="form-text">
                            Allowed formats: JPEG, PNG, JPG, GIF, WEBP. Max 5MB per image.
                        </div>

                        <div class="mt-3" id="image-preview">
                            <!-- Image preview will be shown here -->
                        </div>
                    </div>

                    <div class="mb-3">
                        <div class="form-check">
                            <input class="form-check-input" type="checkbox" id="generate_thumbnails" name="generate_thumbnails" checked disabled>
                            <label class="form-check-label" for="generate_thumbnails">
                                Automatically generate thumbnails (300x300)
                            </label>
                        </div>
                    </div>

                    <div class="mt-4">
                        <button type="submit" class="btn btn-primary">
                            <i class="fas fa-upload me-2"></i>Upload Images
                        </button>
                        <button type="reset" class="btn btn-outline-secondary">
                            <i class="fas fa-undo me-2"></i>Reset
                        </button>
                    </div>
                </form>

                <div class="mt-5">
                    <h6 class="mb-3">Current Product Details:</h6>
                    <div class="row">
                        <div class="col-md-4">
                            <p class="mb-1"><strong>Product Name:</strong></p>
                            <p>{{ $product->name }}</p>
                        </div>
                        <div class="col-md-4">
                            <p class="mb-1"><strong>Model:</strong></p>
                            <p>{{ $product->model ?? 'N/A' }}</p>
                        </div>
                        <div class="col-md-4">
                            <p class="mb-1"><strong>Current Images:</strong></p>
                            <p>{{ $product->images->count() }} images</p>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    @section('scripts')
    <script>
        // Image preview functionality
        document.getElementById('images').addEventListener('change', function(e) {
            const preview = document.getElementById('image-preview');
            preview.innerHTML = '';
            
            const files = e.target.files;
            if (files.length > 0) {
                const previewTitle = document.createElement('p');
                previewTitle.className = 'fw-bold mb-2';
                previewTitle.textContent = 'Selected Images (' + files.length + '):';
                preview.appendChild(previewTitle);
                
                const previewContainer = document.createElement('div');
                previewContainer.className = 'row g-2';
                
                for (let i = 0; i < files.length; i++) {
                    const file = files[i];
                    
                    if (file.type.match('image.*')) {
                        const reader = new FileReader();
                        
                        reader.onload = function(e) {
                            const col = document.createElement('div');
                            col.className = 'col-md-3 col-sm-4 col-6';
                            
                            const card = document.createElement('div');
                            card.className = 'card';
                            
                            const img = document.createElement('img');
                            img.src = e.target.result;
                            img.className = 'card-img-top';
                            img.style.height = '120px';
                            img.style.objectFit = 'cover';
                            
                            const cardBody = document.createElement('div');
                            cardBody.className = 'card-body p-2';
                            
                            const fileName = document.createElement('small');
                            fileName.className = 'text-muted d-block text-truncate';
                            fileName.textContent = file.name;
                            
                            const fileSize = document.createElement('small');
                            fileSize.className = 'text-muted d-block';
                            fileSize.textContent = (file.size / 1024 / 1024).toFixed(2) + ' MB';
                            
                            cardBody.appendChild(fileName);
                            cardBody.appendChild(fileSize);
                            
                            card.appendChild(img);
                            card.appendChild(cardBody);
                            col.appendChild(card);
                            previewContainer.appendChild(col);
                        }
                        
                        reader.readAsDataURL(file);
                    }
                }
                
                preview.appendChild(previewContainer);
            }
        });
    </script>
    @endsection
@endsection