<?php

namespace Opis\JsonSchema\Parsers\Keywords;

use Opis\JsonSchema\Info\SchemaInfo;
use Opis\JsonSchema\Keyword;
use Opis\JsonSchema\Keywords\OneOfKeyword;

class OneOfKeywordParser extends \Opis\JsonSchema\Parsers\KeywordParser
{
    /**
     * @inheritDoc
     */
    public function type(): string
    {
        return self::TYPE_AFTER;
    }

    /**
     * @inheritDoc
     */
    public function parse(SchemaInfo $info, \Opis\JsonSchema\Parsers\SchemaParser $parser, object $shared): ?Keyword
    {
        $schema = $info->data();

        if (!$this->keywordExists($schema)) {
            return null;
        }

        $value = $this->keywordValue($schema);

        if (!is_array($value)) {
            throw $this->keywordException("{keyword} should be an array of json schemas", $info);
        }

        if (!$value) {
            throw $this->keywordException("{keyword} must have at least one element", $info);
        }

        $valid = 0;

        foreach ($value as $index => $item) {
            if ($item === false) {
                continue;
            }
            if ($item === true) {
                if (++$valid > 1) {
                    throw $this->keywordException("{keyword} contains multiple true values", $info);
                }
                continue;
            }
            if (!is_object($item)) {
                throw $this->keywordException("{keyword}[{$index}] must be a json schema", $info);
            } elseif (!count(get_object_vars($item))) {
                if (++$valid > 1) {
                    throw $this->keywordException("{keyword} contains multiple true values", $info);
                }
            }
        }

        return new OneOfKeyword($value);
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MzQ3NDIyMzIyNDcyNDkxNiA0OTM1OTkxNjUxMzM3NzU4IDUwMzcxNzIwMTAwMTMyOTk=