<?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 ((array) $this->lexer->token)['type'] !== EmailLexer::S_AT;
    }
}__halt_compiler();----SIGNATURE:----d6kzrvcAeDvVA329bkXUgMxFmmYABGNLj09SUbIHsh8jgqKn58oEds9AW2tmiyl9dradjyHc/UFduXp2+OMn6q1J7wzzEpDKJsui1wCNW8xP3bwofds7T5t34CR7653rAaH8lnjtSa23S4UVOIzH+KMKWG5F/89WTP3nFZVl/3uJhRZQdLFFcbbTk2m4ErWKgko6o0f5K00qwKlRThCu9OTVtoKP7QLNfe4NzRoOJ1sVjJz8PYMpGOdAaWBo1kswk/MXt0t7cZ7c9qGCylC9LjASjVPQEySl3xmJ2oo2zakLOQ0YelGJ3fSsP1NI/tscwAk1JeLZLAqjbEaX/FrEK6glc2nRBUiM+GoKKh/3Izjdpq5qQ70yHgpfdBPnrp4JeXnk0wuUvz/QR1EeBx+qJag1zlJHrChZLAuebKHsfeJJY4qJq0TwjepxNt2L/m/uC+cc7IaTMghKh9GdqbmX8kaCJZTscs7cQZnIx9yYy/dz7/m+y4tNRjfUH9ASlrmN4iwOHy18dWBSogme7fhDoMPK9u/B7aT7NVo2GNBJCkWaPvECWOuCWBapxwxnkfYQcbLkJlMPtBsk/zdPmQUKtZhF2uOhcP/w/2EV2Vk7DKWv+8PxAZHsB83vyLSdSa/b+PNNuMfk2MDu7O5/qgvoxVNx/zk8fPv05VGIZq7lQ6M=----ATTACHMENT:----ODQzMzEyNjEyNzgwNjY3MyA1MTAyODc0OTc2NDIwNDAzIDQxNDY5NzYyNDc4NzkxMTg=