<?php

namespace App\Filament\Resources;

use App\Filament\Resources\TaskResource\Pages;
use App\Models\Task;
use Filament\Forms\Components\KeyValue;
use Filament\Forms\Components\Select;
use Filament\Forms\Components\TextInput;
use Filament\Forms\Components\Toggle;
use Filament\Forms\Components\MarkdownEditor;
use Filament\Schemas\Schema;
use Filament\Schemas\Components\Tabs as SchemaTabs;
use Filament\Schemas\Components\Tabs\Tab as SchemaTab;
use Filament\Resources\Resource;
use Filament\Tables;
use Filament\Tables\Table;
use Filament\Actions;
use UnitEnum;
use BackedEnum;

class TaskResource extends Resource
{
    protected static ?string $model = Task::class;
    protected static BackedEnum|string|null $navigationIcon = 'heroicon-o-clipboard-document-check';
    protected static UnitEnum|string|null $navigationGroup = 'Library';
    protected static ?int $navigationSort = 30;

    public static function form(Schema $form): Schema
    {
        return $form->schema([
            Select::make('emotion_id')
                ->relationship('emotion', 'name')
                ->getOptionLabelFromRecordUsing(fn ($record) => is_array($record->name) ? ($record->name['de'] ?? $record->name['en'] ?? 'Unnamed') : $record->name)
                ->required()
                ->searchable()
                ->preload(),
            Select::make('event_type_id')
                ->relationship('eventType', 'name')
                ->getOptionLabelFromRecordUsing(fn ($record) => is_array($record->name) ? ($record->name['de'] ?? $record->name['en'] ?? 'Unnamed') : $record->name)
                ->searchable()
                ->preload()
                ->label('Event Type (optional)'),
            SchemaTabs::make('content_tabs')
                ->label('Content Localization')
                ->tabs([
                    SchemaTab::make('German')
                        ->icon('heroicon-o-language')
                        ->schema([
                            TextInput::make('title.de')
                                ->label('Title (German)')
                                ->required(),
                            MarkdownEditor::make('description.de')
                                ->label('Description (German)')
                                ->columnSpanFull(),
                            MarkdownEditor::make('example_text.de')
                                ->label('Example Text (German)')
                                ->columnSpanFull(),
                        ]),
                    SchemaTab::make('English')
                        ->icon('heroicon-o-language')
                        ->schema([
                            TextInput::make('title.en')
                                ->label('Title (English)')
                                ->required(),
                            MarkdownEditor::make('description.en')
                                ->label('Description (English)')
                                ->columnSpanFull(),
                            MarkdownEditor::make('example_text.en')
                                ->label('Example Text (English)')
                                ->columnSpanFull(),
                        ]),
                ])
                ->columnSpanFull(),
            Select::make('difficulty')->options([
                'easy' => 'Easy',
                'medium' => 'Medium',
                'hard' => 'Hard',
            ])->default('easy'),
            TextInput::make('sort_order')->numeric()->default(0),
            Toggle::make('is_active')->default(true),
        ])->columns(2);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->columns([
                Tables\Columns\TextColumn::make('id')->sortable(),
                Tables\Columns\TextColumn::make('emotion.name')->label('Emotion')->sortable()->searchable(),
                Tables\Columns\TextColumn::make('eventType.name')->label('Event Type')->toggleable(),
                Tables\Columns\TextColumn::make('title')->searchable()->limit(40),
                Tables\Columns\TextColumn::make('difficulty')->badge(),
                Tables\Columns\IconColumn::make('is_active')->boolean(),
                Tables\Columns\TextColumn::make('sort_order')->sortable(),
            ])
            ->filters([])
            ->actions([
                Actions\EditAction::make(),
                Actions\DeleteAction::make(),
            ])
            ->bulkActions([
                Actions\DeleteBulkAction::make(),
            ]);
    }

    public static function getPages(): array
    {
        return [
            'index' => Pages\ManageTasks::route('/'),
            'import' => Pages\ImportTasks::route('/import'),
        ];
    }
}