<?php

namespace PSX\Schema;

use PSX\Schema\Type\IntersectionType;
use PSX\Schema\Type\ReferenceType;
use PSX\Schema\Type\StructType;

/**
 * IntersectionResolver
 *
 * @author  Christoph Kappestein <christoph.kappestein@gmail.com>
 * @license http://www.apache.org/licenses/LICENSE-2.0
 * @link    http://phpsx.org
 */
class IntersectionResolver
{
    /** @var DefinitionsInterface */
    private $definitions;

    public function __construct(DefinitionsInterface $definitions)
    {
        $this->definitions = $definitions;
    }

    /**
     * If the provided property is an allOf schema it tries to merge all
     * contained sub schemas into a new schema which contains all properties
     *
     * @param IntersectionType $type
     * @return StructType|null
     */
    public function resolve(IntersectionType $type): ?StructType
    {
        $items = $type->getAllOf();
        if (empty($items)) {
            return null;
        }

        $newType = new StructType();
        foreach ($items as $item) {
            $this->merge($newType, $item);
        }

        return $newType;
    }

    private function merge(StructType $left, TypeInterface $right)
    {
        if ($right instanceof ReferenceType) {
            $right = $this->definitions->getType($right->getRef());
        }

        if (!$right instanceof StructType) {
            throw new \InvalidArgumentException('All of must contain only struct types');
        }

        if ($right->getTitle()) {
            $left->setTitle($right->getTitle());
        }

        if ($right->getDescription()) {
            $left->setDescription($right->getDescription());
        }

        foreach ($right->getProperties() as $name => $type) {
            $left->addProperty($name, $type);
        }

        return $left;
    }
}
__halt_compiler();----SIGNATURE:----vcIPxnxKS/UAoh4Z3HPczn4OEfvql0TAnbLH5vx2QXjBju6CXMmz9wRJos4hox9+dhiacEiNqL1VoW8WF4kDUTNKZbV35wGVhaNNA/sHnGezVjJGJZpn8KlFLC4aIWyJpFh9BJihA0aAiIkbUn4JX3JtdfeYgNiWXEwz4ND4S3BFxRKIMNlZCMhJdFTy6pYOqsvVM3CtkiKxyYnmkDi83iDtQ3X+P+9tlMNstYa5NVqfgTmVbR694hNdMOSUzuSJc5qt3FXMTmHU8WL7KEMW/LL9Fm1DgUD29KbTmOvK4FCoh6GnC/Efs9+W24A41hx64z1dhgUqMHopUceq1Is7M+9mUw6EhFCNGaILYJbSwFftVrPPrUM6aHHBjJEUljDkE2XRFX9AdgYagwkPrpKyHz9okk0GeuV5s2zRUVBedCnd6wC0xTEyyAD1j2mf4F25x4jp4+LpOJG9jRtNcdiukqx0JMPk9dVm6kiqQtZClZcNYlbBKX1mGH489ntQEOG8FnKWlumeWi6Sj/0K7kKPCBoqMoG2e5efR9YxS4BRp2lY5O5AwZM99lRWnZmShzQtq61bBMJV7aR0FFfOGYwxh9j97JzGyS94KAsolz0I8rn9MKnhfdD9t0/pvy5960cPpWb/VftvwYpnZZqxWpHSof85XZT5DJByxZ5GcJpWvVA=----ATTACHMENT:----MzY1NjkzMDEyOTQ2MTgxMyA5NjE2OTk4NjM5MDMxNDcwIDYwODU2MjU3NjAzNzYwMTY=