<?php

namespace App\Http\Resources\Product;

use Illuminate\Http\Request;
use Illuminate\Http\Resources\Json\ResourceCollection;

class ProductCollection extends ResourceCollection
{
    /**
     * Transform the resource collection into an array.
     *
     * @return array<string, mixed>
     */
    public function toArray(Request $request): array
    {
        return [
            'data' => $this->collection,
            'pagination' => [
                'current_page' => $this->currentPage(),
                'from' => $this->firstItem(),
                'last_page' => $this->lastPage(),
                'per_page' => $this->perPage(),
                'to' => $this->lastItem(),
                'total' => $this->total(),
            ],
            'summary' => [
                'total_products' => $this->collection->count(),
                'low_stock_products' => $this->collection->filter(function ($product) {
                    return $product->stock_actuel <= $product->stock_minimum;
                })->count(),
                'total_value' => $this->collection->sum(function ($product) {
                    return $product->stock_actuel * $product->prix_unitaire;
                }),
            ],
        ];
    }

    public function with(Request $request): array
    {
        return [
            'status' => 'success',
            'message' => 'Produits récupérés avec succès',
        ];
    }
}