<?php

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */

class EndpointProvider
{
    /**
     * @var array
     */
    private static $endpoints;

    /**
     * @param $regionId
     * @param $product
     *
     * @return null
     */
    public static function findProductDomain($regionId, $product)
    {
        if (null == $regionId || null == $product || null == self::$endpoints) {
            return null;
        }
        foreach (self::$endpoints as $key => $endpoint) {
            if (in_array($regionId, $endpoint->getRegionIds())) {
                return self::findProductDomainByProduct($endpoint->getProductDomains(), $product);
            }
        }
        return null;
    }

    /**
     * @param $productDomains
     * @param $product
     *
     * @return null
     */
    private static function findProductDomainByProduct($productDomains, $product)
    {
        if (null == $productDomains) {
            return null;
        }
        foreach ($productDomains as $key => $productDomain) {
            if ($product == $productDomain->getProductName()) {
                return $productDomain->getDomainName();
            }
        }
        return null;
    }

    /**
     * @return array
     */
    public static function getEndpoints()
    {
        return self::$endpoints;
    }

    /**
     * @param $endpoints
     */
    public static function setEndpoints($endpoints)
    {
        self::$endpoints = $endpoints;
    }
}
