@extends('layouts.app')

@section('content')
    <h1 class="text-3xl font-bold text-indigo-700 mb-6">All Books</h1>

    <form method="GET" action="{{ route('books.index') }}" class="bg-white rounded-lg shadow p-4 mb-6">
        <div class="grid grid-cols-1 md:grid-cols-4 gap-4">
            <div>
                <label class="block text-sm font-medium text-gray-700">Search</label>
                <input type="text" name="q" value="{{ $filters['q'] ?? '' }}" placeholder="Title or description..." class="mt-1 w-full border-gray-300 rounded-md" />
            </div>
            <div>
                <label class="block text-sm font-medium text-gray-700">Category</label>
                <select name="category" class="mt-1 w-full border-gray-300 rounded-md">
                    <option value="">All</option>
                    @foreach($categories as $cat)
                        <option value="{{ $cat->slug }}" {{ ($filters['category'] ?? '') == $cat->slug || ($filters['category'] ?? '') == (string)$cat->id ? 'selected' : '' }}>{{ $cat->name }}</option>
                    @endforeach
                </select>
            </div>
            <div>
                <label class="block text-sm font-medium text-gray-700">Author</label>
                <select name="author" class="mt-1 w-full border-gray-300 rounded-md">
                    <option value="">All</option>
                    @foreach($authors as $auth)
                        <option value="{{ $auth->slug }}" {{ ($filters['author'] ?? '') == $auth->slug || ($filters['author'] ?? '') == (string)$auth->id ? 'selected' : '' }}>{{ $auth->name }}</option>
                    @endforeach
                </select>
            </div>
            <div class="grid grid-cols-2 gap-2">
                <div>
                    <label class="block text-sm font-medium text-gray-700">From</label>
                    <input type="date" name="date_from" value="{{ $filters['date_from'] ?? '' }}" class="mt-1 w-full border-gray-300 rounded-md" />
                </div>
                <div>
                    <label class="block text-sm font-medium text-gray-700">To</label>
                    <input type="date" name="date_to" value="{{ $filters['date_to'] ?? '' }}" class="mt-1 w-full border-gray-300 rounded-md" />
                </div>
            </div>
        </div>
        <div class="mt-4 flex items-center gap-3">
            <button type="submit" class="px-4 py-2 bg-indigo-600 text-white rounded-md">Filter</button>
            <a href="{{ route('books.index') }}" class="px-4 py-2 bg-gray-100 text-gray-800 rounded-md">Reset</a>
        </div>
    </form>

    @if($books->count() === 0)
        <div class="bg-white rounded-lg shadow p-6 text-center text-gray-600">No books found.</div>
    @else
        <div class="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 gap-6">
            @foreach($books as $book)
                <div class="bg-white rounded-lg shadow overflow-hidden">
                    @if($book->cover_image)
                        <img src="{{ $book->cover_image }}" alt="{{ $book->title }} cover" class="w-full h-48 object-cover" />
                    @else
                        <div class="w-full h-48 bg-gray-200 flex items-center justify-center text-gray-500">No Cover</div>
                    @endif
                    <div class="p-4">
                        <h2 class="text-lg font-semibold"><a href="{{ route('books.show', $book) }}" class="hover:underline">{{ $book->title }}</a></h2>
                        <p class="text-sm text-gray-600">
                            @if($book->authors && $book->authors->count())
                                {{ $book->authors->pluck('name')->join(', ') }}
                            @elseif($book->author)
                                {{ $book->author }}
                            @endif
                        </p>
                        @if($book->category)
                            <p class="text-xs text-gray-500 mt-1">Category: {{ $book->category->name }}</p>
                        @endif

                        @auth
                            <div class="mt-3">
                                @php($inReadlist = auth()->user()->readlistBooks()->where('book_id', $book->id)->exists())
                                @if(!$inReadlist)
                                    <form action="{{ route('readlist.store', $book) }}" method="POST">
                                        @csrf
                                        <button type="submit" class="px-3 py-2 text-sm bg-indigo-600 hover:bg-indigo-700 text-white rounded-md">Add to Readlist</button>
                                    </form>
                                @else
                                    <form action="{{ route('readlist.destroy', $book) }}" method="POST">
                                        @csrf
                                        @method('DELETE')
                                        <button type="submit" class="px-3 py-2 text-sm bg-red-50 text-red-700 hover:bg-red-100 rounded-md">Remove</button>
                                    </form>
                                @endif
                            </div>
                        @endauth
                    </div>
                </div>
            @endforeach
        </div>

        <div class="mt-6">
            {{ $books->links() }}
        </div>
    @endif
@endsection