@extends('admin.layouts.app')

@section('title', 'Edit Slide')
@section('page-title', 'Edit Slide')

@section('content')
<div class="bg-white rounded-xl shadow-lg border border-gray-100 p-4 md:p-8">
    <div class="mb-4 md:mb-6 pb-4 border-b border-gray-200">
        <h3 class="text-xl md:text-2xl font-bold text-gray-800">Edit Slide</h3>
        <p class="text-gray-500 text-xs md:text-sm mt-1">Update the slide information below</p>
    </div>
    
    <form method="POST" action="{{ route('admin.slides.update', $slide) }}" enctype="multipart/form-data">
        @csrf
        @method('PUT')

        <div class="grid grid-cols-1 md:grid-cols-2 gap-4 md:gap-6">
            <div>
                <label class="block text-gray-700 text-sm font-bold mb-2">Title (English) *</label>
                <input type="text" name="title_en" value="{{ old('title_en', $slide->title['en'] ?? '') }}" required
                       class="shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 leading-tight focus:outline-none focus:ring-2 focus:ring-blue-500">
            </div>

            <div>
                <label class="block text-gray-700 text-sm font-bold mb-2">Title (Khmer)</label>
                <input type="text" name="title_km" value="{{ old('title_km', $slide->title['km'] ?? '') }}"
                       class="shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 leading-tight focus:outline-none focus:ring-2 focus:ring-blue-500">
            </div>

            <div>
                <label class="block text-gray-700 text-sm font-bold mb-2">Subtitle (English)</label>
                <input type="text" name="subtitle_en" value="{{ old('subtitle_en', $slide->subtitle['en'] ?? '') }}"
                       class="shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 leading-tight focus:outline-none focus:ring-2 focus:ring-blue-500">
            </div>

            <div>
                <label class="block text-gray-700 text-sm font-bold mb-2">Subtitle (Khmer)</label>
                <input type="text" name="subtitle_km" value="{{ old('subtitle_km', $slide->subtitle['km'] ?? '') }}"
                       class="shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 leading-tight focus:outline-none focus:ring-2 focus:ring-blue-500">
            </div>

            <div class="md:col-span-2">
                <label class="block text-gray-700 text-sm font-bold mb-2">Slide Image *</label>
                <div class="space-y-4">
                    @if($slide->image)
                        <div class="mb-4">
                            <label class="block text-gray-700 text-sm font-bold mb-2">Current Image</label>
                            <img src="{{ public_asset_url($slide->image) }}" alt="Current" class="max-w-md h-48 object-cover rounded border">
                        </div>
                    @endif
                    
                    <!-- Image Upload -->
                    <div>
                        <label class="block text-sm text-gray-600 mb-2">Upload New Image</label>
                        <input type="file" name="image_upload" id="image_upload" accept="image/*"
                               class="shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 leading-tight focus:outline-none focus:ring-2 focus:ring-blue-500"
                               onchange="previewImage(this, 'image_preview')">
                        <p class="text-xs text-gray-500 mt-1">Max size: 5MB. Formats: JPEG, PNG, JPG, GIF, WEBP</p>
                    </div>
                    
                    <!-- Image Preview -->
                    <div id="image_preview_container" class="hidden">
                        <label class="block text-sm text-gray-600 mb-2">New Image Preview</label>
                        <div class="relative inline-block">
                            <img id="image_preview" src="" alt="Preview" class="max-w-md h-48 object-cover rounded border">
                            <button type="button" onclick="clearImagePreview('image_preview', 'image_upload')" 
                                    class="absolute top-0 right-0 bg-red-500 text-white rounded-full w-6 h-6 flex items-center justify-center text-xs hover:bg-red-600">
                                ×
                            </button>
                        </div>
                    </div>
                    
                    <!-- Or Image URL -->
                    <div>
                        <label class="block text-sm text-gray-600 mb-2">Or Enter Image URL</label>
                        <input type="text" name="image" id="image_url" value="{{ old('image', $slide->image) }}"
                               class="shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 leading-tight focus:outline-none focus:ring-2 focus:ring-blue-500"
                               placeholder="https://example.com/image.jpg"
                               onchange="previewImageUrl(this, 'image_preview')">
                    </div>
                </div>
            </div>

            <div>
                <label class="block text-gray-700 text-sm font-bold mb-2">Link URL</label>
                <input type="text" name="link" value="{{ old('link', $slide->link) }}"
                       class="shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 leading-tight focus:outline-none focus:ring-2 focus:ring-blue-500">
            </div>

            <div>
                <label class="block text-gray-700 text-sm font-bold mb-2">Button Text (English)</label>
                <input type="text" name="button_text_en" value="{{ old('button_text_en', $slide->button_text['en'] ?? '') }}"
                       class="shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 leading-tight focus:outline-none focus:ring-2 focus:ring-blue-500">
            </div>

            <div>
                <label class="block text-gray-700 text-sm font-bold mb-2">Button Text (Khmer)</label>
                <input type="text" name="button_text_km" value="{{ old('button_text_km', $slide->button_text['km'] ?? '') }}"
                       class="shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 leading-tight focus:outline-none focus:ring-2 focus:ring-blue-500">
            </div>

            <div>
                <label class="block text-gray-700 text-sm font-bold mb-2">Status *</label>
                <select name="status" required
                        class="shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 leading-tight focus:outline-none focus:ring-2 focus:ring-blue-500">
                    <option value="active" {{ old('status', $slide->status) == 'active' ? 'selected' : '' }}>Active</option>
                    <option value="inactive" {{ old('status', $slide->status) == 'inactive' ? 'selected' : '' }}>Inactive</option>
                </select>
            </div>

            <div>
                <label class="block text-gray-700 text-sm font-bold mb-2">Order</label>
                <input type="number" name="order" value="{{ old('order', $slide->order) }}" min="0"
                       class="shadow appearance-none border rounded w-full py-2 px-3 text-gray-700 leading-tight focus:outline-none focus:ring-2 focus:ring-blue-500">
            </div>
        </div>

        <div class="mt-6 md:mt-8 flex flex-col sm:flex-row items-stretch sm:items-center justify-end gap-3 sm:gap-4 pt-4 md:pt-6 border-t border-gray-200 dark:border-gray-800">
            <a href="{{ route('admin.slides.index') }}" class="px-4 md:px-6 py-2.5 md:py-3 bg-gray-100 dark:bg-gray-800 hover:bg-gray-200 dark:hover:bg-gray-700 text-gray-700 dark:text-gray-300 font-semibold rounded-lg transition-colors text-center">
                <i class="fas fa-times mr-2"></i>Cancel
            </a>
            <button type="submit" class="btn-primary text-white font-semibold py-2.5 md:py-3 px-6 md:px-8 rounded-lg shadow-lg hover:shadow-xl transition-all duration-200">
                <i class="fas fa-save mr-2"></i>Update Slide
            </button>
        </div>
    </form>
</div>

<script>
function previewImage(input, previewId) {
    if (input.files && input.files[0]) {
        const reader = new FileReader();
        reader.onload = function(e) {
            document.getElementById(previewId).src = e.target.result;
            document.getElementById('image_preview_container').classList.remove('hidden');
            document.getElementById('image_url').value = '';
        };
        reader.readAsDataURL(input.files[0]);
    }
}

function previewImageUrl(input, previewId) {
    if (input.value) {
        document.getElementById(previewId).src = input.value;
        document.getElementById('image_preview_container').classList.remove('hidden');
        document.getElementById('image_upload').value = '';
    }
}

function clearImagePreview(previewId, uploadId) {
    document.getElementById(previewId).src = '';
    document.getElementById('image_preview_container').classList.add('hidden');
    document.getElementById(uploadId).value = '';
    document.getElementById('image_url').value = '';
}
</script>
@endsection