<?php

namespace App\Filament\Resources;

use App\Filament\Resources\KnowledgePointResource\Pages;
use App\Models\KnowledgePoint;
use BackedEnum;
use Filament\Actions\Action;
use Filament\Actions\BulkActionGroup;
use Filament\Actions\EditAction;
use Filament\Schemas\Components\Section;
use Filament\Forms\Components\TextInput;
use Filament\Resources\Resource;
use Filament\Schemas\Schema;
use Filament\Tables;
use Filament\Tables\Columns\TextColumn;
use Filament\Tables\Filters\SelectFilter;
use UnitEnum;

class KnowledgePointResource extends Resource
{
    protected static ?string $model = KnowledgePoint::class;

    protected static BackedEnum|string|null $navigationIcon = 'heroicon-o-share';

    protected static ?string $navigationLabel = '知识点';

    protected static ?string $modelLabel = '知识点';

    protected static ?string $pluralModelLabel = '知识点';

    protected static UnitEnum|string|null $navigationGroup = null;

    protected static ?int $navigationSort = 1;

    protected static bool $shouldRegisterNavigation = false;

    public static function form(Schema $schema): Schema
    {
        return $schema
            ->schema([
                Section::make('基础信息')
                    ->schema([
                        TextInput::make('kp_code')->required()->maxLength(64),
                        TextInput::make('name')->required()->maxLength(255),
                        TextInput::make('subject')->maxLength(64),
                        TextInput::make('grade')->maxLength(32),
                        TextInput::make('parent_kp_code')->maxLength(64),
                    ])
                    ->columns(2),
            ]);
    }

    public static function table(Tables\Table $table): Tables\Table
    {
        return $table
            ->columns([
                TextColumn::make('kp_code')->label('编码')->searchable(),
                TextColumn::make('name')->label('名称')->searchable(),
                TextColumn::make('subject')->label('学科')->sortable(),
                TextColumn::make('grade')->label('年级')->sortable(),
                TextColumn::make('updated_at')->label('更新')->dateTime(),
            ])
            ->filters([
                SelectFilter::make('subject')
                    ->options([
                        'math' => '数学',
                        'physics' => '物理',
                    ]),
            ])
            ->actions([
                Action::make('view')
                    ->label('查看')
                    ->icon('heroicon-o-eye')
                    ->url(fn (KnowledgePoint $record) => static::getUrl('view', ['record' => $record])),
                EditAction::make(),
            ])
            ->bulkActions([
                BulkActionGroup::make([]),
            ]);
    }

    public static function getPages(): array
    {
        return [
            'index' => Pages\ListKnowledgePoints::route('/'),
            'create' => Pages\CreateKnowledgePoint::route('/create'),
            'view' => Pages\ViewKnowledgePoint::route('/{record}'),
            'edit' => Pages\EditKnowledgePoint::route('/{record}/edit'),
        ];
    }
}