<?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:----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----ATTACHMENT:----OTE2MTgxNDQ5NjgyNTY2NCA1MTA5MDQ5ODMyNjc0MjQyIDg1MDc3MzA3MTUxMzE1MzM=