<?php

namespace App\Http\Requests\Inventory;

use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Validation\Rule;

class StorePackagingItemRequest extends FormRequest
{
    public function authorize(): bool
    {
        return true;
    }

    /**
     * @return array<string, array<int, mixed>>
     */
    public function rules(): array
    {
        return [
            'packaging_material_id' => ['required', 'integer', 'exists:packaging_materials,id'],
            'supplier_id' => ['nullable', 'integer', 'exists:suppliers,id'],
            'name' => ['required', 'string', 'max:255'],
            'category' => ['required', Rule::in(['packaging', 'shipping', 'label', 'shipping_office'])],
            'weight_grams' => ['nullable', 'numeric', 'min:0'],
            'min_stock_alert' => ['nullable', 'integer', 'min:0'],
            'url' => ['nullable', 'url', 'max:500'],
            'product_id' => ['nullable', 'integer', 'exists:products,id'],
            'active' => ['sometimes', 'boolean'],
        ];
    }

    protected function prepareForValidation(): void
    {
        $this->merge([
            'active' => $this->boolean('active'),
        ]);

        foreach (['supplier_id', 'product_id', 'min_stock_alert'] as $key) {
            if ($this->input($key) === '' || $this->input($key) === null) {
                $this->merge([$key => null]);
            }
        }
    }
}