@extends('frontend.vendor_dashboard.dashboard.layouts.app')

@section('content')
    <div class="page-content">
        <div class="card">
            <div class="card-header">
                <h3 class="card-title">Edit Gallery: {{ $gallery->title }}</h3>
                <div class="card-actions">
                    <a href="{{ route('vendor.vendor-gallery.index') }}" class="btn btn-primary btn-3">
                        Back to Gallery
                    </a>
                </div>
            </div>
            <div class="card-body">
                <form action="{{ route('vendor.vendor-gallery.update', $gallery->id) }}" method="POST" enctype="multipart/form-data">
                    @csrf
                    @method('PUT')

                    @if ($errors->any())
                        <div class="alert alert-danger">
                            <ul class="mb-0">
                                @foreach ($errors->all() as $error)
                                    <li>{{ $error }}</li>
                                @endforeach
                            </ul>
                        </div>
                    @endif

                    <!-- Basic Information -->
                    <div class="row">
                        <div class="col-md-6 mb-3">
                            <label>Title <span class="text-danger">*</span></label>
                            <input type="text" name="title" class="form-control @error('title') is-invalid @enderror"
                                   value="{{ old('title', $gallery->title) }}" required>
                            @error('title')
                                <span class="invalid-feedback">{{ $message }}</span>
                            @enderror
                        </div>

                        <div class="col-md-6 mb-3">
                            <label>Category <span class="text-danger">*</span></label>
                            <select name="category_id" class="form-control @error('category_id') is-invalid @enderror" required>
                                <option value="">Select Category</option>
                                @foreach ($categories as $category)
                                    <option value="{{ $category->id }}"
                                        {{ old('category_id', $gallery->category_id) == $category->id ? 'selected' : '' }}>
                                        {{ $category->name }}
                                    </option>
                                @endforeach
                            </select>
                            @error('category_id')
                                <span class="invalid-feedback">{{ $message }}</span>
                            @enderror
                        </div>
                    </div>

                    <div class="mb-3">
                        <label>Description</label>
                        <textarea name="description" class="form-control @error('description') is-invalid @enderror"
                                  rows="3">{{ old('description', $gallery->description) }}</textarea>
                        @error('description')
                            <span class="invalid-feedback">{{ $message }}</span>
                        @enderror
                    </div>

                    <!-- Existing Images with Captions -->
                    <div class="mb-3">
                        <label class="fw-bold">Existing Images</label>
                        <div class="row mt-2">
                            @foreach($gallery->images as $image)
                                <div class="col-md-3 mb-3" id="image-container-{{ $image->id }}">
                                    <div class="card">
                                        <img src="{{ asset($image->image_path) }}" class="card-img-top" alt="Gallery Image" style="height: 150px; object-fit: cover;">
                                        <div class="card-body p-2">
                                            <div class="mb-2">
                                                <label class="form-label small">Caption</label>
                                                <input type="text" name="existing_captions[{{ $image->id }}]"
                                                       class="form-control form-control-sm"
                                                       value="{{ $image->caption }}"
                                                       placeholder="Enter caption">
                                            </div>
                                            <div class="form-check">
                                                <input type="checkbox" name="delete_images[]"
                                                       value="{{ $image->id }}"
                                                       class="form-check-input delete-image-checkbox"
                                                       id="delete-image-{{ $image->id }}">
                                                <label class="form-check-label text-danger" for="delete-image-{{ $image->id }}">
                                                    Delete this image
                                                </label>
                                            </div>
                                        </div>
                                    </div>
                                </div>
                            @endforeach
                        </div>
                    </div>

                    <!-- Add New Images -->
                    <div class="mb-3">
                        <label class="fw-bold">Add New Images</label>
                        <input type="file" name="new_images[]" class="form-control mt-2 @error('new_images') is-invalid @enderror"
                               multiple accept="image/*">
                        <small class="text-muted">You can select multiple images at once. Max size: 2MB per image.</small>
                        @error('new_images')
                            <span class="invalid-feedback">{{ $message }}</span>
                        @enderror
                        @error('new_images.*')
                            <span class="invalid-feedback">{{ $message }}</span>
                        @enderror
                    </div>

                    <!-- Captions for New Images -->
                    <div id="captions-container" class="mb-3">
                        <!-- Caption inputs will be added dynamically -->
                    </div>

                    <div class="mt-3">
                        <button type="submit" class="btn btn-primary">Update Gallery</button>
                        <a href="{{ route('vendor.vendor-gallery.index') }}" class="btn btn-secondary">Cancel</a>
                    </div>
                </form>
            </div>
        </div>
    </div>

    <script>
        document.addEventListener('DOMContentLoaded', function() {
            const imageInput = document.querySelector('input[name="new_images[]"]');
            const captionsContainer = document.getElementById('captions-container');

            if (imageInput) {
                imageInput.addEventListener('change', function(e) {
                    // Clear previous captions
                    captionsContainer.innerHTML = '';

                    if (this.files.length > 0) {
                        // Add caption header
                        const headerLabel = document.createElement('label');
                        headerLabel.innerHTML = '<strong>Captions for New Images (Optional)</strong>';
                        headerLabel.style.display = 'block';
                        headerLabel.style.marginBottom = '10px';
                        captionsContainer.appendChild(headerLabel);

                        // Add caption inputs for each selected image
                        for (let i = 0; i < this.files.length; i++) {
                            const div = document.createElement('div');
                            div.className = 'mb-2';
                            div.innerHTML = `
                                <label>Caption for ${this.files[i].name}</label>
                                <input type="text" name="captions[${i}]" class="form-control"
                                       placeholder="Enter caption...">
                            `;
                            captionsContainer.appendChild(div);
                        }
                    }
                });
            }

            // Optional: Add confirmation before deleting images
            const deleteCheckboxes = document.querySelectorAll('.delete-image-checkbox');
            deleteCheckboxes.forEach(checkbox => {
                checkbox.addEventListener('change', function() {
                    if (this.checked) {
                        if (!confirm('Are you sure you want to delete this image? This action cannot be undone.')) {
                            this.checked = false;
                        }
                    }
                });
            });
        });
    </script>
@endsection