<?php

declare(strict_types=1);

namespace Domain\Models\ValueObjects\Brand;

use DomainException;
use Shared\DDD\Equatable;

final readonly class BrandCode implements Equatable
{
    /**
     * @param string $value Unique identification code.
     */
    public function __construct(
        private string $value,
    ) {
        if (! preg_match('/^[A-Z]{3}\d{2}$/', $value)) {
            throw new DomainException(
                "Invalid code '{$value}' does not match pattern /^[A-Z]{3}\d{2}$/"
            );
        }
        if ($value[3] === $value[4]) {
            throw new DomainException(
                "Invalid code '{$value}' has the same digit repeated"
            );
        }
    }

    /**
     * Get the value of the unique identification code.
     */
    public function value(): string
    {
        return $this->value;
    }

    /**
     * Compare the unique identification code of the brand.
     *
     * @param mixed $other Unique identification code to compare with.
     */
    public function equals(mixed $other): bool
    {
        if (! $other instanceof self) {
            return false;
        }

        return $this->value === $other->value;
    }
}