<?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:----OTc5NDk1ODg0MjU5NDgxMiA1NTI4NDEyMjk3NjkzMDc5IDYxMTcxNTYzNDY3Mzc4MTY=