<?php

namespace Modules\Countries\Rules;

use Closure;
use Illuminate\Contracts\Validation\ValidationRule;
use Modules\Countries\Models\Country;

class ValidCountryCode implements ValidationRule
{
    public function __construct(private readonly bool $activeOnly = true)
    {
    }

    public function validate(string $attribute, mixed $value, Closure $fail): void
    {
        if (! is_string($value) || strlen($value) !== 2) {
            $fail('The :attribute must be a valid ISO 3166 alpha-2 country code.');
            return;
        }

        $query = Country::query()->where('alpha2', strtoupper($value));

        if ($this->activeOnly) {
            $query->where('is_active', true);
        }

        if (! $query->exists()) {
            $fail('The :attribute must be a supported country.');
        }
    }
}