<?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:----NzUwNjE2MzQxMDg3NzE2NiA5Mzc4MDgxOTE1OTIxNjMgMTkxNjA5NzM3MzM0MzgxOQ==