<?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:----OTE3NDExMzQ0MjY0NTcwNCA5NDk5ODE1MDI2NTg0ODY3IDkxNzU0Mjc1NDc4Njc0Nzg=