@extends('layouts.admin')

@section('title', 'Edit Slider Item: ' . $item->title)

@section('content')
<div class="d-flex justify-content-between align-items-center mb-4">
    <h1 class="h3">Edit Slider Item</h1>
    <a href="{{ route('admin.sliders.items.index', $slider) }}" class="btn btn-modern-primary">
        <i class="bi bi-arrow-left me-2"></i>Back to Items
    </a>
</div>

<div class="row">
    <div class="col-12">
        <div class="card">
            <div class="card-header">
                <h5 class="mb-0">
                    <i class="bi bi-image me-2"></i>Edit Item: {{ $item->title ?: 'Untitled' }}
                </h5>
            </div>
            <div class="card-body">
                <form action="{{ route('admin.sliders.items.update', [$slider, $item]) }}" method="POST" id="sliderItemForm">
                    @csrf
                    @method('PUT')

                    <div class="row">
                        <!-- Left Column -->
                        <div class="col-lg-8">
                            <!-- Title -->
                            <div class="mb-4">
                                <label for="title" class="form-label">Title</label>
                                <input type="text"
                                       name="title"
                                       id="title"
                                       class="form-control @error('title') is-invalid @enderror"
                                       placeholder="Enter slide title (optional)"
                                       value="{{ old('title', $item->title) }}">
                                @error('title')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                                <div class="form-text">Optional title that will appear on the slide</div>
                            </div>

                            <!-- Description -->
                            <div class="mb-4">
                                <label for="description" class="form-label">Description</label>
                                <textarea name="description"
                                          id="description"
                                          class="form-control @error('description') is-invalid @enderror"
                                          rows="4"
                                          placeholder="Enter slide description (optional)">{{ old('description', $item->description) }}</textarea>
                                @error('description')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                                <div class="form-text">Optional description text for the slide</div>
                            </div>

                            <!-- Image URL -->
                            <div class="mb-4">
                                <label for="image_url" class="form-label required">Image URL</label>
                                <div class="input-group">
                                    <input type="text"
                                           name="image_url"
                                           id="image_url"
                                           class="form-control @error('image_url') is-invalid @enderror"
                                           placeholder="Select an image or enter URL"
                                           value="{{ old('image_url', $item->image_url) }}"
                                           required>
                                    <button class="btn btn-outline-secondary" type="button" id="lfm-image-url" data-input="image_url" data-preview="image_preview">
                                        <i class="bi bi-folder2-open"></i> Browse
                                    </button>
                                </div>
                                <div id="image_preview" class="mt-3">
                                    @if(old('image_url', $item->image_url))
                                        <img src="{{ old('image_url', $item->image_url) }}" alt="Preview" class="img-fluid rounded" style="max-height: 200px;">
                                    @endif
                                </div>
                                <div class="form-text">Select an image from file manager or enter a direct URL</div>
                                @error('image_url')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>

                            <!-- Alt Text -->
                            <div class="mb-4">
                                <label for="alt_text" class="form-label">Alt Text</label>
                                <input type="text"
                                       name="alt_text"
                                       id="alt_text"
                                       class="form-control @error('alt_text') is-invalid @enderror"
                                       placeholder="Describe the image for accessibility"
                                       value="{{ old('alt_text', $item->alt_text) }}">
                                @error('alt_text')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                                <div class="form-text">Alternative text for screen readers and SEO</div>
                            </div>

                            <!-- Link Settings -->
                            <div class="row">
                                <div class="col-md-8">
                                    <div class="mb-4">
                                        <label for="link_url" class="form-label">Link URL</label>
                                        <input type="url"
                                               name="link_url"
                                               id="link_url"
                                               class="form-control @error('link_url') is-invalid @enderror"
                                               placeholder="https://example.com/page"
                                               value="{{ old('link_url', $item->link_url) }}">
                                        @error('link_url')
                                            <div class="invalid-feedback">{{ $message }}</div>
                                        @enderror
                                        <div class="form-text">Optional URL to link to when slide is clicked</div>
                                    </div>
                                </div>
                                <div class="col-md-4">
                                    <div class="mb-4">
                                        <label for="link_text" class="form-label">Link Text</label>
                                        <input type="text"
                                               name="link_text"
                                               id="link_text"
                                               class="form-control @error('link_text') is-invalid @enderror"
                                               placeholder="Learn More"
                                               value="{{ old('link_text', $item->link_text) }}">
                                        @error('link_text')
                                            <div class="invalid-feedback">{{ $message }}</div>
                                        @enderror
                                        <div class="form-text">Text for the link button</div>
                                    </div>
                                </div>
                            </div>
                        </div>

                        <!-- Right Column -->
                        <div class="col-lg-4">
                            <!-- Settings Panel -->
                            <div class="modern-card card bg-light">
                                <div class="card-header">
                                    <h6 class="mb-0">Settings</h6>
                                </div>
                                <div class="card-body">
                                    <!-- Sort Order -->
                                    <div class="mb-3">
                                        <label for="sort_order" class="form-label">Sort Order</label>
                                        <input type="number"
                                               name="sort_order"
                                               id="sort_order"
                                               class="form-control @error('sort_order') is-invalid @enderror"
                                               placeholder="0"
                                               value="{{ old('sort_order', $item->sort_order) }}"
                                               min="0">
                                        @error('sort_order')
                                            <div class="invalid-feedback">{{ $message }}</div>
                                        @enderror
                                        <div class="form-text small">Order in which items appear</div>
                                    </div>

                                    <!-- Active Status -->
                                    <div class="mb-3">
                                        <label class="form-label">Status</label>
                                        <div class="form-check form-switch">
                                            <input type="hidden" name="is_active" value="0">
                                            <input type="checkbox"
                                                   name="is_active"
                                                   id="is_active"
                                                   class="form-check-input"
                                                   value="1"
                                                   {{ old('is_active', $item->is_active) ? 'checked' : '' }}>
                                            <label for="is_active" class="form-check-label">
                                                Active
                                            </label>
                                        </div>
                                        <div class="form-text small">Inactive items won't be displayed</div>
                                    </div>
                                </div>
                            </div>

                            <!-- Image Preview -->
                            <div class="modern-card card">
                                <div class="card-header">
                                    <h6 class="mb-0">Image Preview</h6>
                                </div>
                                <div class="card-body text-center">
                                    <div id="image_preview" class="image-preview-container">
                                        @if(old('image_url', $item->image_url))
                                            <img src="{{ old('image_url', $item->image_url) }}" alt="Preview" class="img-fluid rounded" style="max-height: 200px;">
                                        @else
                                            <div class="preview-placeholder">
                                                <i class="bi bi-image text-muted" style="font-size: 3rem;"></i>
                                                <p class="text-muted small mt-2">Image preview will appear here</p>
                                            </div>
                                        @endif
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>

                    <!-- Submit Buttons -->
                    <div class="d-flex justify-content-end gap-2 mt-4 pt-3 border-top">
                        <a href="{{ route('admin.sliders.items.index', $slider) }}" class="btn btn-secondary">
                            <i class="bi bi-x-circle me-2"></i>Cancel
                        </a>
                        <button type="submit" class="btn btn-modern-primary">
                            <i class="bi bi-check-circle me-2"></i>Update Item
                        </button>
                    </div>
                </form>
            </div>
        </div>
    </div>
</div>

@push('scripts')
<script src="{{ asset('vendor/laravel-filemanager/js/stand-alone-button.js') }}"></script>
<script>
    // Function to update image preview
    function updateImagePreview(imageUrl) {
        const previewContainer = document.getElementById('image_preview');

        if (imageUrl) {
            previewContainer.innerHTML = `
                <img src="${imageUrl}" alt="Preview" class="img-fluid rounded"
                     style="max-height: 200px;"
                     onerror="this.parentElement.innerHTML='<div class=\\'preview-placeholder\\'><i class=\\'bi bi-image text-muted\\' style=\\'font-size: 3rem;\\'></i><p class=\\'text-muted small mt-2\\'>Invalid image URL</p></div>'">
            `;
        } else {
            previewContainer.innerHTML = `
                <div class="preview-placeholder">
                    <i class="bi bi-image text-muted" style="font-size: 3rem;"></i>
                    <p class="text-muted small mt-2">Image preview will appear here</p>
                </div>
            `;
        }
    }

    // Image preview functionality for direct input
    document.getElementById('image_url').addEventListener('input', function() {
        updateImagePreview(this.value.trim());
    });

    // Watch for file manager changes
    const imageUrlInput = document.getElementById('image_url');
    const observer = new MutationObserver(function(mutations) {
        mutations.forEach(function(mutation) {
            if (mutation.type === 'attributes' && mutation.attributeName === 'value') {
                updateImagePreview(imageUrlInput.value.trim());
            }
        });
    });
    observer.observe(imageUrlInput, { attributes: true });

    // Form validation
    document.getElementById('sliderItemForm').addEventListener('submit', function(e) {
        const imageUrl = document.getElementById('image_url').value.trim();

        if (!imageUrl) {
            e.preventDefault();
            alert('Please enter an image URL or select from file manager.');
            document.getElementById('image_url').focus();
            return false;
        }

        // Allow HTTP URLs, file manager paths (/storage/), or upload paths (/uploads/)
        const isValidUrl = /^https?:\/\//.test(imageUrl);
        const isFileManagerPath = /^\/storage\//.test(imageUrl) || /^\/uploads\//.test(imageUrl);

        if (!isValidUrl && !isFileManagerPath) {
            e.preventDefault();
            alert('Please provide a valid URL or select an image from the file manager.');
            document.getElementById('image_url').focus();
            return false;
        }
    });

    // Initialize file manager for image URL
    $('#lfm-image-url').filemanager('image', {prefix: '/admin/filemanager'});
</script>
@endpush
@endsection