@extends('layouts.admin')

@section('title', isset($category) ? 'Edit Category' : 'Add Category')
@section('page_title', isset($category) ? 'Edit Category' : 'Add New Category')

@section('content')
<div class="row">
    <div class="col-md-8">
        <div class="card border-0 shadow-sm">
            <div class="card-header bg-light border-bottom">
                <h5 class="mb-0">{{ isset($category) ? 'Edit Category Information' : 'Category Details' }}</h5>
            </div>
            <div class="card-body">
                <form action="{{ isset($category) ? route('admin.categories.update', $category) : route('admin.categories.store') }}" method="POST" enctype="multipart/form-data">
                    @csrf
                    @if(isset($category)) @method('PUT') @endif

                    <!-- Category Name -->
                    <div class="mb-3">
                        <label for="name" class="form-label">Category Name <span class="text-danger">*</span></label>
                        <input type="text" class="form-control @error('name') is-invalid @enderror" id="name" name="name" value="{{ old('name', isset($category) ? $category->name : '') }}" required placeholder="Enter category name">
                        @error('name')
                            <div class="invalid-feedback d-block">{{ $message }}</div>
                        @enderror
                    </div>

                    <!-- Slug -->
                    <div class="mb-3">
                        <label for="slug" class="form-label">Category Slug <span class="text-danger">*</span></label>
                        <input type="text" class="form-control @error('slug') is-invalid @enderror" id="slug" name="slug" value="{{ old('slug', isset($category) ? $category->slug : '') }}" required placeholder="category-name">
                        @error('slug')
                            <div class="invalid-feedback d-block">{{ $message }}</div>
                        @enderror
                    </div>

                    <!-- Description -->
                    <div class="mb-3">
                        <label for="description" class="form-label">Description</label>
                        <textarea class="form-control @error('description') is-invalid @enderror" id="description" name="description" rows="4" placeholder="Enter category description">{{ old('description', isset($category) ? $category->description : '') }}</textarea>
                        @error('description')
                            <div class="invalid-feedback d-block">{{ $message }}</div>
                        @enderror
                    </div>

                    <!-- Parent Category -->
                    <div class="mb-3">
                        <label for="parent_id" class="form-label">Parent Category</label>
                        <select class="form-select @error('parent_id') is-invalid @enderror" id="parent_id" name="parent_id">
                            <option value="">-- None (Top Level) --</option>
                            @foreach($parentCategories as $parentCategory)
                                @if(!isset($category) || $parentCategory->id !== $category->id)
                                    <option value="{{ $parentCategory->id }}" {{ old('parent_id', isset($category) ? $category->parent_id : '') == $parentCategory->id ? 'selected' : '' }}>
                                        {{ $parentCategory->name }}
                                    </option>
                                @endif
                            @endforeach
                        </select>
                        @error('parent_id')
                            <div class="invalid-feedback d-block">{{ $message }}</div>
                        @enderror
                    </div>

                    <!-- Category Image -->
                    <div class="mb-3">
                        <label for="image" class="form-label">Category Image</label>
                        <input type="file" class="form-control @error('image') is-invalid @enderror" id="image" name="image" accept="image/jpeg,image/png,image/gif,image/webp" onchange="previewImage(event)">
                        <small class="form-text text-muted">Allowed formats: JPG, PNG, GIF, WebP. Max size: 2MB</small>
                        @error('image')
                            <div class="invalid-feedback d-block">{{ $message }}</div>
                        @enderror
                        @if(isset($category) && $category->image)
                            <div class="mt-2">
                                <img src="{{ asset('storage/categories/' . $category->image) }}" alt="{{ $category->name }}" style="max-width: 150px; height: auto;">
                                <small class="d-block text-muted mt-1">Current image (upload a new one to replace)</small>
                            </div>
                        @endif
                        <div id="imagePreview" class="mt-2"></div>
                    </div>

                    <!-- Is Active -->
                    <div class="mb-3">
                        <div class="form-check">
                            <input type="checkbox" class="form-check-input" id="is_active" name="is_active" value="1" {{ old('is_active', isset($category) ? $category->is_active : 1) == 1 ? 'checked' : '' }}>
                            <label class="form-check-label" for="is_active">
                                Active Category
                            </label>
                        </div>
                    </div>

                    <div class="d-flex gap-2">
                        <button type="submit" class="btn btn-primary">
                            <i class="bi bi-check-circle"></i> {{ isset($category) ? 'Update Category' : 'Add Category' }}
                        </button>
                        <a href="{{ route('admin.categories.index') }}" class="btn btn-outline-secondary">
                            <i class="bi bi-x-circle"></i> Cancel
                        </a>
                    </div>
                </form>
            </div>
        </div>
    </div>

    <div class="col-md-4">
        <div class="card border-0 shadow-sm">
            <div class="card-header bg-light border-bottom">
                <h6 class="mb-0">Quick Info</h6>
            </div>
            <div class="card-body">
                @if(isset($category))
                    <div class="mb-3">
                        <small class="text-muted">Category ID</small>
                        <p class="h6 mb-0">#{{ $category->id }}</p>
                    </div>
                    <div class="mb-3">
                        <small class="text-muted">Products</small>
                        <p class="h6 mb-0">{{ $category->products->count() }}</p>
                    </div>
                    <div class="mb-3">
                        <small class="text-muted">Created</small>
                        <p class="h6 mb-0">{{ $category->created_at->format('M d, Y') }}</p>
                    </div>
                    <div>
                        <small class="text-muted">Last Updated</small>
                        <p class="h6 mb-0">{{ $category->updated_at->format('M d, Y H:i') }}</p>
                    </div>
                @else
                    <p class="text-muted">Fill in the form to create a new category</p>
                @endif
            </div>
        </div>
    </div>
</div>

<script>
function previewImage(event) {
    const file = event.target.files[0];
    const preview = document.getElementById('imagePreview');
    
    if (file) {
        const reader = new FileReader();
        reader.onload = function(e) {
            preview.innerHTML = '<img src="' + e.target.result + '" style="max-width: 150px; height: auto;" class="border rounded">';
        };
        reader.readAsDataURL(file);
    }
}
</script>
@endsection