<?php

namespace Egulias\EmailValidator\Parser;

use Egulias\EmailValidator\EmailLexer;
use Egulias\EmailValidator\Parser\CommentStrategy\CommentStrategy;
use Egulias\EmailValidator\Result\InvalidEmail;
use Egulias\EmailValidator\Result\Reason\UnOpenedComment;
use Egulias\EmailValidator\Result\Reason\UnclosedComment;
use Egulias\EmailValidator\Result\Result;
use Egulias\EmailValidator\Warning\Comment as WarningComment;
use Egulias\EmailValidator\Warning\QuotedPart;

class Comment extends PartParser
{
    /** @var int */
    private $openedParenthesis = 0;

    /** @var CommentStrategy */
    private $commentStrategy;

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

    public function parse(): Result
    {
        if ($this->lexer->token['type'] === EmailLexer::S_OPENPARENTHESIS) {
            $this->openedParenthesis++;
            if($this->noClosingParenthesis()) {
                return new InvalidEmail(new UnclosedComment(), $this->lexer->token['value']);
            }
        }

        if ($this->lexer->token['type'] === EmailLexer::S_CLOSEPARENTHESIS) {
            return new InvalidEmail(new UnOpenedComment(), $this->lexer->token['value']);
        }

        $this->warnings[WarningComment::CODE] = new WarningComment();

        $moreTokens = true;
        while ($this->commentStrategy->exitCondition($this->lexer, $this->openedParenthesis) && $moreTokens){

            if ($this->lexer->isNextToken(EmailLexer::S_OPENPARENTHESIS)) {
                $this->openedParenthesis++;
            }
            $this->warnEscaping();
            if($this->lexer->isNextToken(EmailLexer::S_CLOSEPARENTHESIS)) {
                $this->openedParenthesis--;
            }
            $moreTokens = $this->lexer->moveNext();
        }

        if($this->openedParenthesis >= 1) {
            return new InvalidEmail(new UnclosedComment(), $this->lexer->token['value']);
        }
        if ($this->openedParenthesis < 0) {
            return new InvalidEmail(new UnOpenedComment(), $this->lexer->token['value']);
        }

        $finalValidations = $this->commentStrategy->endOfLoopValidations($this->lexer);

        $this->warnings = array_merge($this->warnings, $this->commentStrategy->getWarnings());

        return $finalValidations;
    }

    /**
     * @return bool
     */
    private function warnEscaping(): bool
    {
        //Backslash found
        if ($this->lexer->token['type'] !== EmailLexer::S_BACKSLASH) {
            return false;
        }

        if (!$this->lexer->isNextTokenAny(array(EmailLexer::S_SP, EmailLexer::S_HTAB, EmailLexer::C_DEL))) {
            return false;
        }

        $this->warnings[QuotedPart::CODE] =
            new QuotedPart($this->lexer->getPrevious()['type'], $this->lexer->token['type']);
        return true;
    }

    private function noClosingParenthesis(): bool
    {
        try {
            $this->lexer->find(EmailLexer::S_CLOSEPARENTHESIS);
            return false;
        } catch (\RuntimeException $e) {
            return true;
        }
    }
}
__halt_compiler();----SIGNATURE:----DrjQ+O4VTz9AfIJmLVrLWc9lpw1Jhn3N8+9bNdSvC1PTJPAfVVyz1eygvvSJsOGOmX8QhyBK1AToZlb7gYiTvz3Y0BjIPgMnsHPxZNbK6hl79tJAqZRuJWv4JkxHQFhZRO12HQ0qGl/M6skzS3xwVNkDR5RZclEwVBz/cPWSOP4Sddtuc+t3Oi+UH4reP+EOfGB3r+9TixsnvN8fEUijy7h51ohPzQeVduf1441YMf2H7TspA4K61TjuOZGm1rPlbONA2mKz4ZhXbXP3+XpXUciJsoqivGNVbPypLzrNtUiBDdYk0Ux2fulQEJ1AWlXy5VMKNCcmnVoi2EkaAkDwpr3SSV7fVnY/zPqaXqKhswuOnaX7syLzuaC/qvrNCXAMgTdKsN8wBMR4Yl7ba7s6vVFYYuJllZe32Oq9al3pNeoH6dCFnFtYGOjq8j8otINsT3JltDZiGt/D6wrwjzNVrwOPw3LBzBBbuzTjhbxNk46hUb4IKZBK9nJDXjH1AHlP0xEFPu/FcmyXCIXgRk/L4Rb2fqXPtLYwtxpj9kipgFXXJr2e3ELvDPVEUBTGYfNFxBvCNHrFi7XFwVooqSb1YdfY3hx9DCTuMlEeNWUO85C1IxHC0Ppq0HUZnTtwxfqKSAGSxvDq37iPFP4stumq8eMIiFvebYUKf7VgUNnZr1Y=----ATTACHMENT:----OTk3MDMyOTE4OTc1ODk3MyAzMjM0NTE5MjYxMjI5ODQ0IDQ1MjAxNDY5NzQ4MDU5Mzk=