<?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:----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----ATTACHMENT:----MjU2MjQ4MzczOTE3NzMzIDE0NjgwMzk0NzQ3NTUyMjkgNzEwNjU4MDA1Nzg5ODg5MA==