<?php

namespace App\Filament\Resources;

use App\Filament\Resources\CategoryResource\Pages;
use App\Filament\Resources\CategoryResource\RelationManagers;
use App\Models\Category;
use Filament\Forms;
use Filament\Forms\Components\Section;
use Filament\Forms\Components\Select;
use Filament\Forms\Components\TextInput;
use Filament\Forms\Components\Textarea;
use Filament\Forms\Form;
use Filament\Resources\Resource;
use Filament\Tables;
use Filament\Tables\Columns\TextColumn;
use Filament\Tables\Table;

class CategoryResource extends Resource
{
    protected static ?string $model = Category::class;

    protected static ?string $navigationIcon = 'heroicon-o-rectangle-stack';
    protected static ?string $navigationLabel = '分类';
    protected static ?string $navigationGroup = '内容管理';

    public static function form(Form $form): Form
    {
        return $form
            ->schema([
                Section::make('基础信息')
                    ->schema([
                        TextInput::make('name')
                            ->label('名称')
                            ->required()
                            ->maxLength(255),
                        TextInput::make('slug')
                            ->label('Slug')
                            ->required()
                            ->maxLength(255),
                        Select::make('parent_id')
                            ->label('父级分类')
                            ->relationship('parent', 'name')
                            ->searchable()
                            ->preload()
                            ->nullable(),
                        TextInput::make('icon')
                            ->label('图标')
                            ->maxLength(255)
                            ->nullable(),
                        Textarea::make('description')
                            ->label('描述')
                            ->rows(3)
                            ->nullable(),
                        TextInput::make('sort')
                            ->label('排序')
                            ->numeric()
                            ->default(0),
                    ])->columns(2),
                Section::make('SEO')
                    ->schema([
                        TextInput::make('seo_title')
                            ->label('SEO 标题')
                            ->maxLength(255)
                            ->nullable(),
                        TextInput::make('seo_description')
                            ->label('SEO 描述')
                            ->maxLength(255)
                            ->nullable(),
                    ])->columns(2),
            ]);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->reorderable('sort')
            ->defaultSort('sort')
            ->columns([
                TextColumn::make('name')->label('名称')->searchable()->sortable(),
                TextColumn::make('slug')->label('Slug')->searchable(),
                TextColumn::make('parent.name')->label('父级'),
                TextColumn::make('sort')->label('排序')->sortable(),
                TextColumn::make('created_at')->label('创建时间')->dateTime(),
            ])
            ->filters([
                //
            ])
            ->actions([
                Tables\Actions\EditAction::make(),
            ])
            ->bulkActions([
                Tables\Actions\BulkActionGroup::make([
                    Tables\Actions\DeleteBulkAction::make(),
                ]),
            ])
            ->emptyStateActions([
                Tables\Actions\CreateAction::make(),
            ]);
    }
    
    public static function getRelations(): array
    {
        return [
            //
        ];
    }
    
    public static function getPages(): array
    {
        return [
            'index' => Pages\ListCategories::route('/'),
            'create' => Pages\CreateCategory::route('/create'),
            'edit' => Pages\EditCategory::route('/{record}/edit'),
        ];
    }    
}