<?php

namespace App\Admin\Resources;

use App\Admin\Resources\CategoryResource\Pages;
use App\Models\Category;
use Filament\Forms;
use Filament\Forms\Form;
use Filament\Forms\Get;
use Filament\Forms\Set;
use Filament\Notifications\Notification;
use Filament\Resources\Resource;
use Filament\Tables;
use Filament\Tables\Actions\DeleteBulkAction;
use Filament\Tables\Table;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Support\Str;

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

    protected static ?string $navigationGroup = 'Administration';

    protected static ?string $navigationIcon = 'ri-folder-6-line';

    protected static ?string $activeNavigationIcon = 'ri-folder-6-fill';

    protected static ?int $navigationSort = 1;

    public static function form(Form $form): Form
    {
        return $form
            ->schema([
                Forms\Components\TextInput::make('name')
                    ->required()
                    ->maxLength(255)
                    ->live(onBlur: true)
                    ->afterStateUpdated(function (Get $get, Set $set, ?string $old, ?string $state) {
                        if (($get('slug') ?? '') !== Str::slug($old)) {
                            return;
                        }

                        $set('slug', Str::slug($state));
                    }),
                Forms\Components\TextInput::make('slug')
                    ->required(),
                Forms\Components\RichEditor::make('description')
                    ->required(),
                Forms\Components\Select::make('parent_id')
                    ->relationship('parent', 'name')
                    ->searchable()
                    ->preload()
                    ->label('Parent Category')
                    // Disallow having same category as it's own parent
                    ->disableOptionWhen(fn (string $value, ?Category $record): bool => $record && (int) $value === $record->id),
                Forms\Components\FileUpload::make('image')->label('Image')->nullable()->acceptedFileTypes(['image/*'])->columnSpanFull(),
            ])->columns(2);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->columns([
                Tables\Columns\TextColumn::make('name')
                    ->searchable()
                    ->sortable(),
                Tables\Columns\TextColumn::make('slug')
                    ->searchable()
                    ->sortable(),
            ])
            ->filters([
                //
            ])
            ->actions([
                Tables\Actions\EditAction::make(),
            ])
            ->bulkActions([
                Tables\Actions\BulkActionGroup::make([
                    Tables\Actions\DeleteBulkAction::make()->before(function (DeleteBulkAction $action) {
                        foreach ($action->getRecords() as $record) {
                            if ($record->products()->exists() || $record->children()->exists()) {
                                Notification::make()
                                    ->title('Cannot delete category')
                                    ->body('The category has products or children categories.')
                                    ->duration(5000)
                                    ->icon('ri-error-warning-line')
                                    ->danger()
                                    ->send();
                                $action->cancel();
                            }
                        }
                    }),
                ]),
            ])
            ->defaultSort(function (Builder $query): Builder {
                return $query
                    ->orderBy('sort', 'asc');
            })
            ->reorderable('sort');
    }

    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'),
        ];
    }
}