<?php

namespace App\Filament\User\Resources;

use App\Filament\User\Resources\ProductSaleResource\Pages;
use App\Models\ProductSale;
use App\Models\Product;
use App\Models\ProductSize;
use Filament\Forms;
use Filament\Forms\Form;
use Filament\Resources\Resource;
use Filament\Tables;
use Filament\Tables\Table;
use Filament\Forms\Components\TextInput;
use App\Rules\ProductsHaveEnoughStock;


use Filament\Forms\Components\DatePicker;
use Filament\Tables\Columns\TextColumn;

class ProductSaleResource extends Resource {
    protected static ?string $model = ProductSale::class;

    protected static ?string $navigationIcon = 'heroicon-o-arrow-up-on-square';

    protected static ?string $navgationLabel = 'Warenausgang';
    protected static ?string $modelLabel = 'Warenausgang';
    protected static ?string $slug = 'warenausgang';
    protected static ?string $navigationGroup = 'Waren Ein/Ausgang';


    public $product_id;
    public $size_id;
    public $amount;

    public static function form(Form $form): Form {
        return $form
            ->schema([                    
                Forms\Components\Select::make('product_id')
                    ->label('Produkt')
                    ->native(false)
                    ->searchable()
                    ->options(Product::all()->pluck('title', 'id'))
                    ->reactive()
                    ->afterStateUpdated(fn(callable $set) => $set('size_id', null))
                    ->disabled(fn($record) => !is_null($record))
                    ->required(),

                Forms\Components\Select::make('size_id')
                    ->label('Größe')
                    ->native(false)
                    ->options(function (callable $get) {
                        $productId = $get('product_id');
                        if (!$productId) {
                            return [];
                        }
                        return ProductSize::where('product_id', $productId)
                        ->get()
                            ->mapWithKeys(function ($product) {
                                return [$product->id => "{$product->description} ({$product->price}€)"];
                            });
                    })
                    ->required()
                    ->disabled(fn($record) => !is_null($record))
                    ->reactive(),

            TextInput::make('amount')
                ->label('Verkaufsmenge')
                ->numeric()
                ->step(1)
                ->required()
                ->disabled(fn($record) => !is_null($record))
                ->rules(['min:1']),

            DatePicker::make('sold_at')
                ->label('Verkaufsdatum')
                ->default(now())
                ->disabled(fn($record) => !is_null($record))
                ->required(),

            TextInput::make('comment')
                ->label('Kommentar')
                ->helperText('Verkaufsquelle (Bsp. Shopify, etc.)'),
        ]);
    }

    public static function table(Table $table): Table {
        return $table
            ->columns([
                Tables\Columns\TextColumn::make('product.title')->label('Produkt'),
                Tables\Columns\TextColumn::make('size')->label('Größe')
                    ->formatStateUsing(fn(ProductSale $record) => "{$record->size->description} ({$record->size->price}€)"),
                TextColumn::make('amount')->label('Verkaufsmenge'),
                TextColumn::make('sold_at')->label('Verkaufsdatum')->date('d.m.Y'),
                TextColumn::make('comment')->label('Kommentar'),
            ])
            ->actions([
                Tables\Actions\EditAction::make(),
            ])
            ->bulkActions([
                Tables\Actions\DeleteBulkAction::make(),
            ])
            ->emptyStateHeading('Keine Warenausgänge')
            ->recordUrl(null);
    }

    public static function getRelations(): array {
        return [];
    }

    public static function getPages(): array {
        return [
            'index' => Pages\ListProductSales::route('/'),
            'create' => Pages\CreateProductSale::route('/create'),
            'edit' => Pages\EditProductSale::route('/{record}/edit'),
        ];
    }
    public static function getPluralLabel(): string {
        return 'Warenausgang';
    }
}