@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">
                            Edit Image 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="row mb-4">
                    <div class="col-md-6 text-center">
                        <div class="card">
                            <div class="card-header bg-light">
                                <h6 class="mb-0">Current Image</h6>
                            </div>
                            <div class="card-body">
                                <img src="{{ $image->image_url }}" 
                                     alt="Current Image" 
                                     class="img-fluid rounded shadow mb-3"
                                     style="max-height: 300px;">
                                <div>
                                    <p class="mb-1"><strong>Filename:</strong> {{ $image->image }}</p>
                                    <p class="mb-0 text-muted">Uploaded: {{ $image->created_at->format('M d, Y') }}</p>
                                </div>
                            </div>
                        </div>
                    </div>

                    <div class="col-md-6 text-center">
                        <div class="card">
                            <div class="card-header bg-light">
                                <h6 class="mb-0">Current Thumbnail</h6>
                            </div>
                            <div class="card-body">
                                <img src="{{ $image->thumbnail_url }}" 
                                     alt="Current Thumbnail" 
                                     class="img-fluid rounded shadow mb-3"
                                     style="max-height: 300px;">
                                <div>
                                    <p class="mb-1"><strong>Filename:</strong> {{ $image->thumbnail_image }}</p>
                                    <p class="mb-0 text-muted">Generated automatically</p>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>

                <div class="alert alert-warning">
                    <i class="fas fa-exclamation-triangle me-2"></i>
                    <strong>Note:</strong> This will replace the current image and its thumbnail. The old files will be deleted.
                </div>

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

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

                        <div class="mt-3" id="image-preview">
                            <!-- New 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_thumbnail" name="generate_thumbnail" checked disabled>
                            <label class="form-check-label" for="generate_thumbnail">
                                Automatically generate new thumbnail (300x300)
                            </label>
                        </div>
                    </div>

                    <div class="mt-4">
                        <button type="submit" class="btn btn-primary">
                            <i class="fas fa-sync-alt me-2"></i>Replace Image
                        </button>
                        <a href="{{ route('products.images.show', [$product->id, $image->id]) }}" class="btn btn-secondary">
                            <i class="fas fa-times me-2"></i>Cancel
                        </a>
                    </div>
                </form>

                <div class="mt-5">
                    <div class="card">
                        <div class="card-header bg-light">
                            <h6 class="mb-0">Image Information</h6>
                        </div>
                        <div class="card-body">
                            <div class="row">
                                <div class="col-md-4">
                                    <p class="mb-1"><strong>Product:</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>Image ID:</strong></p>
                                    <p>#{{ $image->id }}</p>
                                </div>
                                <div class="col-md-4">
                                    <p class="mb-1"><strong>Created:</strong></p>
                                    <p>{{ $image->created_at->format('M d, Y H:i A') }}</p>
                                </div>
                                <div class="col-md-4">
                                    <p class="mb-1"><strong>Updated:</strong></p>
                                    <p>{{ $image->updated_at->format('M d, Y H:i A') }}</p>
                                </div>
                                <div class="col-md-4">
                                    <p class="mb-1"><strong>Total Images:</strong></p>
                                    <p>{{ $product->images->count() }} images</p>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    @section('scripts')
    <script>
        // Image preview functionality for new image
        document.getElementById('image').addEventListener('change', function(e) {
            const preview = document.getElementById('image-preview');
            preview.innerHTML = '';
            
            const file = e.target.files[0];
            if (file) {
                if (file.type.match('image.*')) {
                    const reader = new FileReader();
                    
                    reader.onload = function(e) {
                        const previewTitle = document.createElement('p');
                        previewTitle.className = 'fw-bold mb-2';
                        previewTitle.textContent = 'New Image Preview:';
                        preview.appendChild(previewTitle);
                        
                        const previewContainer = document.createElement('div');
                        previewContainer.className = 'text-center';
                        
                        const img = document.createElement('img');
                        img.src = e.target.result;
                        img.className = 'img-fluid rounded shadow';
                        img.style.maxHeight = '200px';
                        
                        const fileInfo = document.createElement('div');
                        fileInfo.className = 'mt-2';
                        
                        const fileName = document.createElement('p');
                        fileName.className = 'mb-1';
                        fileName.innerHTML = `<strong>Filename:</strong> ${file.name}`;
                        
                        const fileSize = document.createElement('p');
                        fileSize.className = 'mb-1 text-muted';
                        fileSize.textContent = 'Size: ' + (file.size / 1024 / 1024).toFixed(2) + ' MB';
                        
                        fileInfo.appendChild(fileName);
                        fileInfo.appendChild(fileSize);
                        
                        previewContainer.appendChild(img);
                        previewContainer.appendChild(fileInfo);
                        preview.appendChild(previewContainer);
                    }
                    
                    reader.readAsDataURL(file);
                } else {
                    const error = document.createElement('div');
                    error.className = 'alert alert-danger';
                    error.textContent = 'Please select a valid image file.';
                    preview.appendChild(error);
                }
            }
        });
    </script>
    @endsection
@endsection