<?php
/* ===========================================================================
 * Copyright 2018 Zindex Software
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============================================================================ */

namespace Opis\JsonSchema;

class MediaTypeContainer implements IMediaTypeContainer
{

    /** @var array */
    protected $types = [
        'application/json' => MediaTypes\Json::class,
        'text/plain' => MediaTypes\Text::class,
    ];

    /**
     * @inheritDoc
     */
    public function resolve(string $type)
    {
        if (!isset($this->types[$type])) {
            return null;
        }
        if (is_string($this->types[$type])) {
            $class = $this->types[$type];
            $this->types[$type] = new $class();
        }
        return $this->types[$type];
    }

    /**
     * @param string $type
     * @param IMediaType $media
     * @return MediaTypeContainer
     */
    public function add(string $type, IMediaType $media): self
    {
        $this->types[$type] = $media;
        return $this;
    }
}