<?php

namespace App\Domains\Ticketing\FiestaFutbolInfantil\Requests;

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

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

    /** @return array<string, mixed> */
    public function rules(): array
    {
        return [
            'variants' => ['required', 'array', 'min:1', 'max:500'],
            'stock_adjustment_id' => ['nullable', 'uuid'],
            'variants.*' => ['required', 'array:id,title,description,stock,stock_difference,price'],
            'variants.*.id' => ['sometimes', 'nullable', 'integer', 'distinct'],
            'variants.*.title' => ['required', 'string', 'max:255'],
            'variants.*.description' => ['sometimes', 'nullable', 'string'],
            'variants.*.stock' => ['sometimes', 'integer', 'min:0'],
            'variants.*.stock_difference' => ['sometimes', 'integer'],
            'variants.*.price' => ['required', 'numeric', 'min:0', 'max:99999999.99'],
        ];
    }

    /** @return array<int, callable> */
    public function after(): array
    {
        return [
            function (Validator $validator): void {
                foreach ($this->input('variants', []) as $index => $variant) {
                    if (! is_array($variant)) {
                        continue;
                    }

                    if (isset($variant['id']) && ! array_key_exists('stock_difference', $variant)) {
                        $validator->errors()->add(
                            "variants.{$index}.stock_difference",
                            'La diferencia de stock es obligatoria al actualizar una variante.',
                        );
                    }

                    if (! isset($variant['id']) && ! array_key_exists('stock', $variant)) {
                        $validator->errors()->add(
                            "variants.{$index}.stock",
                            'El stock inicial es obligatorio al crear una variante.',
                        );
                    }
                }
            },
        ];
    }
}