<?php

namespace App\Filament\Resources;

use App\Filament\Resources\ArticleResource\Pages;
use App\Filament\Resources\ArticleResource\RelationManagers;
use App\Models\Article;
use Filament\Forms;
use Filament\Forms\Components\DateTimePicker;
use Filament\Forms\Components\FileUpload;
use Filament\Forms\Components\MarkdownEditor;
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 ArticleResource extends Resource
{
    protected static ?string $model = Article::class;

    protected static ?string $navigationIcon = 'heroicon-o-rectangle-stack';
    protected static ?string $navigationLabel = '文章';
    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('title')
                            ->label('标题')
                            ->required()
                            ->maxLength(255),
                        TextInput::make('slug')
                            ->label('Slug')
                            ->required()
                            ->maxLength(255),
                        Textarea::make('summary')
                            ->label('摘要')
                            ->rows(2)
                            ->nullable(),
                        MarkdownEditor::make('content_md')
                            ->label('正文')
                            ->columnSpanFull()
                            ->required(),
                    ])->columns(2),
                Section::make('媒体与标签')
                    ->schema([
                        FileUpload::make('cover')
                            ->label('封面')
                            ->disk('public')
                            ->directory('articles/cover')
                            ->image()
                            ->imagePreviewHeight('120')
                            ->nullable(),
                        TextInput::make('author')
                            ->label('作者')
                            ->maxLength(255)
                            ->nullable(),
                        Select::make('tags')
                            ->label('标签')
                            ->multiple()
                            ->relationship('tags', 'name')
                            ->preload(),
                    ])->columns(2),
                Section::make('状态与SEO')
                    ->schema([
                        TextInput::make('view_count')
                            ->label('浏览量')
                            ->numeric()
                            ->disabled()
                            ->dehydrated(false),
                        Select::make('status')
                            ->label('状态')
                            ->options([
                                'draft' => '草稿',
                                'published' => '发布',
                            ])
                            ->required(),
                        DateTimePicker::make('published_at')
                            ->label('发布时间')
                            ->nullable(),
                        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
            ->columns([
                TextColumn::make('title')->label('标题')->searchable()->sortable(),
                TextColumn::make('status')->label('状态')->sortable(),
                TextColumn::make('view_count')->label('浏览')->sortable(),
                TextColumn::make('published_at')->label('发布时间')->dateTime(),
                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\ListArticles::route('/'),
            'create' => Pages\CreateArticle::route('/create'),
            'edit' => Pages\EditArticle::route('/{record}/edit'),
        ];
    }    
}