<?php

namespace Egulias\EmailValidator;

use Egulias\EmailValidator\Parser\DomainPart;
use Egulias\EmailValidator\Parser\LocalPart;
use Egulias\EmailValidator\Result\InvalidEmail;
use Egulias\EmailValidator\Result\Reason\NoLocalPart;
use Egulias\EmailValidator\Result\Result;
use Egulias\EmailValidator\Result\ValidEmail;
use Egulias\EmailValidator\Warning\EmailTooLong;

class EmailParser extends Parser
{
    public const EMAIL_MAX_LENGTH = 254;

    /** @var string */
    protected $domainPart = '';

    /** @var string */
    protected $localPart = '';

    public function parse(string $str): Result
    {
        $result = parent::parse($str);

        $this->addLongEmailWarning($this->localPart, $this->domainPart);

        return $result;
    }

    protected function preLeftParsing(): Result
    {
        if (!$this->hasAtToken()) {
            return new InvalidEmail(new NoLocalPart(), $this->lexer->token["value"]);
        }
        return new ValidEmail();
    }

    protected function parseLeftFromAt(): Result
    {
        return $this->processLocalPart();
    }

    protected function parseRightFromAt(): Result
    {
        return $this->processDomainPart();
    }

    private function processLocalPart(): Result
    {
        $localPartParser = new LocalPart($this->lexer);
        $localPartResult = $localPartParser->parse();
        $this->localPart = $localPartParser->localPart();
        $this->warnings = array_merge($localPartParser->getWarnings(), $this->warnings);

        return $localPartResult;
    }

    private function processDomainPart(): Result
    {
        $domainPartParser = new DomainPart($this->lexer);
        $domainPartResult = $domainPartParser->parse();
        $this->domainPart = $domainPartParser->domainPart();
        $this->warnings = array_merge($domainPartParser->getWarnings(), $this->warnings);

        return $domainPartResult;
    }

    public function getDomainPart(): string
    {
        return $this->domainPart;
    }

    public function getLocalPart(): string
    {
        return $this->localPart;
    }

    private function addLongEmailWarning(string $localPart, string $parsedDomainPart): void
    {
        if (strlen($localPart . '@' . $parsedDomainPart) > self::EMAIL_MAX_LENGTH) {
            $this->warnings[EmailTooLong::CODE] = new EmailTooLong();
        }
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NjY0NTAyMDg0MTYxNjQ2NSA2NDY4OTgyNzM3MjA5Njc2IDQwNjg5NzEzODQ0MjM0NDI=