<?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:----NzU5Nzg1NTg3MDQ1MjI3MyA4OTk2MTMzMTc3MDU1NzkyIDU5MzI2NTE1NTg3MTc2OA==