/**
 * Copyright 2016-2017 ZTE, Inc. and others.
 *
 * 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.
 */
package org.onap.msb.sdclient.wrapper.util;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.lang3.StringUtils;

/**
 * @ClassName: ApiRouteUtil
 * @Description: TODO(ApiRoute工具类)
 * @author tanghua10186366
 * @date 2015年9月29日 下午3:19:51
 * 
 */
public class DiscoverUtil {


    public static final String CONSUL_DEFAULT_PORT = "8500";

    public static final String APIGATEWAY_SERVINCE = "apigateway";

    public static final String ROUTER_SERVINCE = "router";

    public static final String APIGATEWAY_SERVINCE_ALL = "all";

    public static final String APIGATEWAY_SERVINCE_DEFAULT = "default";

    public static final String VISUAL_RANGE_IN = "1";

    public static final String VISUAL_RANGE_OUT = "0";

    public static final String SERVICENAME_LINE_NAMESPACE = "-";

    public static final String SPLIT_LINE = "|";

    public static final String EXTERNAL_NODE_NAME = "externalService";


    public static final String REQUEST_SUCCESS = "SUCCESS";

    public static final String REQUEST_FAIL = "FAIL";

    public static final String VISUAL_RANGE_LIST = "0,1";

    public static final String PROTOCOL_LIST = "REST,HTTP,MQ,FTP,SNMP,UI,TCP,UDP,PORTAL";

    public static final String LB_POLICY_LIST = "round-robin,ip_hash,least_conn,client_custom";

    public static final String LB_PARAMS_LIST = "weight,max_fails,fail_timeout";

    public static final String CHECK_TYPE_LIST = "HTTP,TCP,TTL";

    public static final String CHECK_HA_ROLE_LIST = "active,standby";

    public static final String CONSUL_CATALOG_URL = "/v1/catalog";

    public static final String CONSUL_AGENT_URL = "/v1/agent/service";

    public static final String CONSUL_AGENT_TTL_URL = "/v1/agent/check/pass/";

    public static final String CONSUL_HEALTH_URL = "/v1/health/service/";

    public static final String[] PUBLISH_PROTOCOL = {"TCP", "UDP", "HTTP", "REST", "UI", "PORTAL"};

    public static final String[] HTTP_PROTOCOL = {"HTTP", "REST", "UI", "PORTAL"};

    public static final String TCP_UDP_PORT_RANGE_START = "28001";

    public static final String TCP_UDP_PORT_RANGE_END = "30000";

    public static final String CONSUL_ADDRESSS = "127.0.0.1:8500";

    public static final String CONSUL_REGISTER_MODE = "catalog";

    // public static boolean isProtocol_tcp_udp(String protocol){
    // return "TCP".equals(protocol) || "UDP".equals(protocol);
    // }
    //

    public static String getRealIp(HttpServletRequest request) {
        String ip = request.getHeader("X-Forwarded-For");
        if (StringUtils.isNotEmpty(ip) && !"unKnown".equalsIgnoreCase(ip)) {
            // 多次反向代理后会有多个ip值，第一个ip才是真实ip
            int index = ip.indexOf(",");
            if (index != -1) {
                return ip.substring(0, index);
            } else {
                return ip;
            }
        }
        ip = request.getHeader("X-Real-IP");

        if (StringUtils.isNotEmpty(ip) && !"unKnown".equalsIgnoreCase(ip)) {
            return ip;
        }


        return request.getRemoteAddr();

    }

    public static boolean checkVisualRangeIn(String visualRange) {
        return checkExist(visualRange, DiscoverUtil.VISUAL_RANGE_IN, "|");
    }

    public static boolean checkVisualRangeOut(String visualRange) {
        return checkExist(visualRange, DiscoverUtil.VISUAL_RANGE_OUT, "|");
    }

    public static boolean checkExist(String list, String value, String separator) {
        String[] listArray = StringUtils.split(list, separator);

        for (int i = 0; i < listArray.length; i++) {
            if (value.equals(listArray[i]))
                return true;
        }
        return false;
    }

    public static boolean checkExist(String[] list, String value) {
        for (int i = 0; i < list.length; i++) {
            if (value.equals(list[i]))
                return true;
        }
        return false;
    }

    public static boolean contain(String[] array, String value[]) {
        for (int i = 0; i < array.length; i++) {
            for (int n = 0; n < value.length; n++) {
                if (array[i].equals(value[n])) {
                    return true;
                }
            }
        }
        return false;

    }


}