@extends('layouts.admin')

@section('content')
<div class="container mx-auto px-6 py-8">
    <h3 class="text-gray-700 text-3xl font-medium mb-6">ویرایش کتاب</h3>

    <div class="bg-white rounded-lg shadow-md p-6">
        <form action="{{ route('books.update', $book->id) }}" method="POST" enctype="multipart/form-data">
            @csrf
            @method('PUT')

            <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
                <!-- Title -->
                <div>
                    <label class="block text-sm font-medium text-gray-700">عنوان کتاب <span class="text-red-500">*</span></label>
                    <input type="text" name="title" value="{{ old('title', $book->title) }}" required class="mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-indigo-300 focus:ring focus:ring-indigo-200 focus:ring-opacity-50 border p-2">
                    @error('title') <p class="text-red-500 text-xs mt-1">{{ $message }}</p> @enderror
                </div>

                <!-- Author -->
                <div>
                    <label class="block text-sm font-medium text-gray-700">نویسنده <span class="text-red-500">*</span></label>
                    <input type="text" name="author" value="{{ old('author', $book->author) }}" required class="mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-indigo-300 focus:ring focus:ring-indigo-200 focus:ring-opacity-50 border p-2">
                    @error('author') <p class="text-red-500 text-xs mt-1">{{ $message }}</p> @enderror
                </div>

                <!-- Category -->
                <div>
                    <label class="block text-sm font-medium text-gray-700">دسته‌بندی <span class="text-red-500">*</span></label>
                    <select name="category_id" required class="mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-indigo-300 focus:ring focus:ring-indigo-200 focus:ring-opacity-50 border p-2">
                        <option value="">انتخاب کنید</option>
                        @foreach($categories as $category)
                            <option value="{{ $category->id }}" {{ old('category_id', $book->category_id) == $category->id ? 'selected' : '' }}>{{ $category->title }}</option>
                        @endforeach
                    </select>
                    @error('category_id') <p class="text-red-500 text-xs mt-1">{{ $message }}</p> @enderror
                </div>

                <!-- Description -->
                <div class="col-span-1 md:col-span-2">
                    <label class="block text-sm font-medium text-gray-700">توضیحات</label>
                    <textarea name="description" rows="3" class="mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-indigo-300 focus:ring focus:ring-indigo-200 focus:ring-opacity-50 border p-2">{{ old('description', $book->description) }}</textarea>
                </div>

                <!-- Cover Image -->
                <div>
                    <label class="block text-sm font-medium text-gray-700">تصویر جلد</label>
                     @if($book->cover_image)
                        <div class="mb-2">
                            <img src="{{ asset('storage/' . $book->cover_image) }}" alt="Current Cover" class="h-20 w-auto rounded object-cover shadow-sm">
                        </div>
                    @endif
                    <input type="file" name="cover_image" accept="image/*" class="mt-1 block w-full text-sm text-gray-500 file:mr-4 file:py-2 file:px-4 file:rounded-full file:border-0 file:text-sm file:font-semibold file:bg-indigo-50 file:text-indigo-700 hover:file:bg-indigo-100">
                    <p class="text-xs text-gray-500 mt-1">برای تغییر تصویر، فایل جدیدی انتخاب کنید.</p>
                    @error('cover_image') <p class="text-red-500 text-xs mt-1">{{ $message }}</p> @enderror
                </div>

                <!-- PDF File -->
                <div>
                    <label class="block text-sm font-medium text-gray-700">فایل PDF</label>
                     @if($book->pdf_file)
                        <div class="mb-2 text-sm text-gray-600">
                             <a href="{{ asset('storage/' . $book->pdf_file) }}" target="_blank" class="text-red-600 hover:underline inline-flex items-center"><i class="fas fa-file-pdf ml-1"></i> مشاهده فایل فعلی</a>
                        </div>
                    @endif
                    <input type="file" name="pdf_file" accept=".pdf" class="mt-1 block w-full text-sm text-gray-500 file:mr-4 file:py-2 file:px-4 file:rounded-full file:border-0 file:text-sm file:font-semibold file:bg-red-50 file:text-red-700 hover:file:bg-red-100">
                    @error('pdf_file') <p class="text-red-500 text-xs mt-1">{{ $message }}</p> @enderror
                </div>

                <!-- EPUB File (NEW) -->
                <div>
                    <label class="block text-sm font-medium text-gray-700">فایل EPUB</label>
                    @if($book->epub_file)
                        <div class="mb-2 text-sm text-gray-600">
                             <a href="{{ asset('storage/' . $book->epub_file) }}" target="_blank" class="text-green-600 hover:underline inline-flex items-center"><i class="fas fa-book-open ml-1"></i> مشاهده فایل فعلی</a>
                        </div>
                    @endif
                    <input type="file" name="epub_file" accept=".epub" class="mt-1 block w-full text-sm text-gray-500 file:mr-4 file:py-2 file:px-4 file:rounded-full file:border-0 file:text-sm file:font-semibold file:bg-green-50 file:text-green-700 hover:file:bg-green-100">
                    @error('epub_file') <p class="text-red-500 text-xs mt-1">{{ $message }}</p> @enderror
                </div>
            </div>

            <div class="mt-8 flex justify-end gap-3">
                <a href="{{ route('books.index') }}" class="px-4 py-2 bg-gray-200 text-gray-700 rounded-md hover:bg-gray-300 focus:outline-none transition-colors">انصراف</a>
                <button type="submit" class="px-6 py-2 bg-indigo-600 text-white rounded-md hover:bg-indigo-700 focus:outline-none transition-colors">بروزرسانی کتاب</button>
            </div>
        </form>
    </div>
</div>
@endsection