<?php

namespace App\Domains\Catalog\Resources;

use App\Domains\Bundle\Models\Bundle;
use App\Domains\Catalog\Models\GroupItem;
use App\Domains\Catalog\Models\ProductVariant;
use Illuminate\Http\Request;
use Illuminate\Http\Resources\Json\JsonResource;

class CatalogFeaturedGroupResource extends JsonResource
{
    public function toArray(Request $request): array
    {
        return [
            'id' => $this->id,
            'title' => $this->group_name,
            'layout' => $this->product_layout,
            'group_order' => $this->group_order,
            'items' => $this->whenLoaded('groupItems', function () use ($request) {
                return $this->groupItems->map(function (GroupItem $groupItem) use ($request) {
                    $groupable = $groupItem->groupable;

                    if ($groupable instanceof Bundle) {
                        return [
                            'id' => $groupable->id,
                            'groupable_type' => 'bundle',
                            'groupable_id' => $groupable->id,
                            'nombre' => $groupable->nombre,
                            'descripcion' => $groupable->descripcion,
                            'precio' => $groupable->precio,
                            'cantidad_maxima' => $groupable->stock_tecnico,
                            'items' => $groupable->items->map(fn ($item) => [
                                'cantidad' => $item->cantidad,
                                'variant' => (new ProductVariantResource($item->variant))->toArray($request),
                            ])->values(),
                        ];
                    }

                    if (! $groupable instanceof ProductVariant) {
                        return null;
                    }

                    $variantResource = (new ProductVariantResource($groupable))->toArray($request);
                    $variantResource['groupable_type'] = 'variant';
                    $variantResource['groupable_id'] = $groupable->id;

                    if ($this->product_layout === 'row' || $this->product_layout === 'column_with_cart' || $this->product_layout === 'vertical_with_cart') {
                        // Devuelve el Product Variant Resource completo como pidio el usuario
                        // "Que todo devuelva el product variant resource"
                        return $variantResource;
                    }

                    // Para column_with_image o vertical_with_image
                    if ($this->product_layout === 'column_with_image' || $this->product_layout === 'vertical_with_image') {
                        if (isset($variantResource['images']) && count($variantResource['images']) > 0) {
                            $variantResource['images'] = [$variantResource['images'][0]];
                        }

                        return $variantResource;
                    }

                    return $variantResource;
                })->filter()->values();
            }),
        ];
    }
}