<?php

namespace Modules\Countries\Rules;

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

class ValidIso3166CountryCode implements ValidationRule
{
    public function __construct(
        private readonly bool $activeOnly = true,
        private readonly string $format = 'alpha2',
    ) {}

    public function validate(string $attribute, mixed $value, Closure $fail): void
    {
        if (! is_string($value) && ! is_int($value)) {
            $fail('The :attribute must be a valid ISO 3166 country code.');

            return;
        }

        $code = strtoupper(trim((string) $value));
        $query = Country::query();

        match ($this->format) {
            'alpha2' => $query->where('alpha2', $code),
            'alpha3' => $query->where('alpha3', $code),
            'numeric' => $query->where('numeric', str_pad($code, 3, '0', STR_PAD_LEFT)),
            'any' => $query->forIsoCode($code),
            default => $query->whereRaw('1 = 0'),
        };

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

        if (! $query->exists()) {
            $fail('The :attribute must be a supported ISO 3166 country code.');
        }
    }
}