<?php

declare(strict_types=1);

namespace App\Framework\View\ValueObjects;

use App\Framework\Http\Session\FormIdGenerator;

final readonly class FormId
{
    public function __construct(
        public string $value
    ) {
        if (empty(trim($value))) {
            throw new \InvalidArgumentException('FormId cannot be empty');
        }

        if (! preg_match('/^[a-zA-Z][a-zA-Z0-9_-]*$/', $value)) {
            throw new \InvalidArgumentException('FormId must start with a letter and contain only letters, numbers, underscores, and hyphens');
        }
    }

    public static function generate(FormIdGenerator $generator, string $route = '/', string $method = 'post'): self
    {
        // Use the existing FormIdGenerator logic
        $formId = $generator->generateFormId($route, $method);

        return new self($formId);
    }

    public static function fromString(string $value): self
    {
        return new self($value);
    }

    public function toString(): string
    {
        return $this->value;
    }

    public function __toString(): string
    {
        return $this->value;
    }

    public function equals(self $other): bool
    {
        return $this->value === $other->value;
    }

    public function isValid(FormIdGenerator $generator): bool
    {
        return $generator->isValidFormId($this);
    }
}