<?php

namespace Egulias\EmailValidator\Parser;

use Egulias\EmailValidator\EmailLexer;
use Egulias\EmailValidator\Result\InvalidEmail;
use Egulias\EmailValidator\Result\Reason\ExpectingATEXT;
use Egulias\EmailValidator\Result\Reason\UnclosedQuotedString;
use Egulias\EmailValidator\Result\Result;
use Egulias\EmailValidator\Result\ValidEmail;
use Egulias\EmailValidator\Warning\CFWSWithFWS;
use Egulias\EmailValidator\Warning\QuotedString;

class DoubleQuote extends PartParser
{
    public function parse(): Result
    {
        $validQuotedString = $this->checkDQUOTE();
        if($validQuotedString->isInvalid()) return $validQuotedString;

        $special = [
            EmailLexer::S_CR => true,
            EmailLexer::S_HTAB => true,
            EmailLexer::S_LF => true
        ];

        $invalid = [
            EmailLexer::C_NUL => true,
            EmailLexer::S_HTAB => true,
            EmailLexer::S_CR => true,
            EmailLexer::S_LF => true
        ];

        $setSpecialsWarning = true;

        $this->lexer->moveNext();

        while (((array) $this->lexer->token)['type'] !== EmailLexer::S_DQUOTE && null !== ((array) $this->lexer->token)['type']) {
            if (isset($special[((array) $this->lexer->token)['type']]) && $setSpecialsWarning) {
                $this->warnings[CFWSWithFWS::CODE] = new CFWSWithFWS();
                $setSpecialsWarning = false;
            }
            if (((array) $this->lexer->token)['type'] === EmailLexer::S_BACKSLASH && $this->lexer->isNextToken(EmailLexer::S_DQUOTE)) {
                $this->lexer->moveNext();
            }

            $this->lexer->moveNext();

            if (!$this->escaped() && isset($invalid[((array) $this->lexer->token)['type']])) {
                return new InvalidEmail(new ExpectingATEXT("Expecting ATEXT between DQUOTE"), ((array) $this->lexer->token)['value']);
            }
        }

        $prev = $this->lexer->getPrevious();

        if ($prev['type'] === EmailLexer::S_BACKSLASH) {
            $validQuotedString = $this->checkDQUOTE();
            if($validQuotedString->isInvalid()) return $validQuotedString;
        }

        if (!$this->lexer->isNextToken(EmailLexer::S_AT) && $prev['type'] !== EmailLexer::S_BACKSLASH) {
            return new InvalidEmail(new ExpectingATEXT("Expecting ATEXT between DQUOTE"), ((array) $this->lexer->token)['value']);
        }

        return new ValidEmail();
    }

    protected function checkDQUOTE(): Result
    {
        $previous = $this->lexer->getPrevious();

        if ($this->lexer->isNextToken(EmailLexer::GENERIC) && $previous['type'] === EmailLexer::GENERIC) {
            $description = 'https://tools.ietf.org/html/rfc5322#section-3.2.4 - quoted string should be a unit';
            return new InvalidEmail(new ExpectingATEXT($description), ((array) $this->lexer->token)['value']);
        }

        try {
            $this->lexer->find(EmailLexer::S_DQUOTE);
        } catch (\Exception $e) {
            return new InvalidEmail(new UnclosedQuotedString(), ((array) $this->lexer->token)['value']);
        }
        $this->warnings[QuotedString::CODE] = new QuotedString($previous['value'], ((array) $this->lexer->token)['value']);

        return new ValidEmail();
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NzMxODUwMDA3MTk4NTM3IDEzMDU2MjQ0MjgxNDE5NzQgMTEzOTQzMjQ3MTMwMTQ4Mg==