<?php

namespace Egulias\EmailValidator;

use Egulias\EmailValidator\Result\InvalidEmail;
use Egulias\EmailValidator\Result\Reason\ExpectingATEXT;
use Egulias\EmailValidator\Result\Result;
use Egulias\EmailValidator\Result\ValidEmail;

abstract class Parser
{
    /** @var Warning\Warning[] */
    protected $warnings = [];

    /** @var EmailLexer */
    protected $lexer;

    /**
     * id-left "@" id-right
     */
    abstract protected function parseRightFromAt(): Result;

    abstract protected function parseLeftFromAt(): Result;

    abstract protected function preLeftParsing(): Result;

    public function __construct(EmailLexer $lexer)
    {
        $this->lexer = $lexer;
    }

    public function parse(string $str): Result
    {
        $this->lexer->setInput($str);

        if ($this->lexer->hasInvalidTokens()) {
            return new InvalidEmail(new ExpectingATEXT("Invalid tokens found"), $this->lexer->token["value"]);
        }

        $preParsingResult = $this->preLeftParsing();
        if ($preParsingResult->isInvalid()) {
            return $preParsingResult;
        }

        $localPartResult = $this->parseLeftFromAt();

        if ($localPartResult->isInvalid()) {
            return $localPartResult;
        }

        $domainPartResult = $this->parseRightFromAt();

        if ($domainPartResult->isInvalid()) {
            return $domainPartResult;
        }

        return new ValidEmail();
    }

    /**
     * @return Warning\Warning[]
     */
    public function getWarnings(): array
    {
        return $this->warnings;
    }

    protected function hasAtToken(): bool
    {
        $this->lexer->moveNext();
        $this->lexer->moveNext();

        return $this->lexer->token['type'] !== EmailLexer::S_AT;
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MjEwMjg2NTE4MjA0MTA0NyAzODczOTM3ODA5NzYxMDg0IDIyNDM3MjA5OTA5Nzg4Mjk=