JMessageUtils

import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.env.Environment;
import org.springframework.http.HttpMethod;
import org.springframework.stereotype.Component;

import javax.annotation.PostConstruct;

import net.iharder.Base64;

import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Component
public class JMessageUtils {

    public final static String JMESSAGE_URL = "https://api.im.jpush.cn";

    private static String appKey;
    private static String masterSecret;

    @Autowired
    private Environment environment;

    @PostConstruct
    public void init() {
        JMessageUtils.appKey = environment.getProperty("config.jpush.appkey");
        JMessageUtils.masterSecret = environment.getProperty("config.jpush.mastersecret");
    }

    /**
     * 注册用户：一次批量注册最多支持500个用户
     * <p>
     * username	用户登录名（必填）
     * password	登录密码（必填）
     * appkey	用户所属于的应用的appkey
     * nickname	用户暱称
     * birthday	生日	yyyy-MM-dd HH:mm:ss
     * gender	性别 0 - 未知， 1 - 男 ，2 - 女
     * signature	用户签名
     * region	用户所属地区
     * address	用户详细地址
     * ctime	用户创建时间
     * mtime	用户最后修改时间
     * extras
     */
    public String insertUser(JSONArray users) throws IOException, Exception {
        String url = JMESSAGE_URL + "/v1/users/";
        return httpPostOrGet(url, users.toJSONString());
    }

    /**
     * 管理员注册 (管理员api发送消息接口的权限)
     */
    public String adminRegister(JSONObject admin) throws IOException, Exception {
        String url = JMESSAGE_URL + "/v1/admins/";
        return httpPostOrGet(url, admin.toJSONString());
    }

    /**
     * 获取应用管理员列表
     *
     * @param start 起始记录位置 从0开始
     * @param count 查询条数 最多支持500条
     */
    public String getAdminsListByAppkey(Integer start, Integer count) throws IOException, Exception {
        String url = JMESSAGE_URL + "/v1/admins?start=" + start + "&count=" + count;
        return httpPostOrGet(url);
    }

    /**
     * 获取用户信息
     */
    public String getUserInfo(String username) throws IOException, Exception {
        String url = JMESSAGE_URL + "/v1/users/" + username;
        return httpPostOrGet(url);
    }

    /**
     * 用户在线状态查询(不适用于多端在线)
     *
     * @return {"login": true,"online": false}
     */
    public String getUserStat(String username) throws IOException, Exception {
        String url = JMESSAGE_URL + "/v1/users/" + username + "/userstat";
        return httpPostOrGet(url);
    }

    /**
     * 批量用户在线状态查询
     *
     * @return [{ "devices": [],"username": "caiyh01"},
     * {"devices": [{"login": false, "online": false,"platform": "a" }],"username": "Rauly" }]
     * <p>devices: 设备登陆状态数组，没有登陆过数组为空; platform: SDK各平台：a-Android，i-iOS，j-JS，w-Windows</p>
     */
    public String getUserStat(String... username) throws IOException, Exception {
        String url = JMESSAGE_URL + "/v1/users/userstat";
        return httpPostOrGet(url, username);
    }

    /**
     * 批量用户在线状态查询2
     *
     * @return [{"devices": [], "username": "caiyh01","statusmsg": "no_exist", "statuscode": 1 // 用户不存在，会有statusmsg }, {
     * "devices": [{ "login": false, "online": false,"platform": "a" }], "username": "Rauly", "statuscode": 0 // 用户存在}]
     */
    public String getUserStat2(String... username) throws IOException, Exception {
        String url = JMESSAGE_URL + "/v2/users/statuser";
        return httpPostOrGet(url, username);
    }

    /**
     * 修改密码
     */
    public String updatePassword(String username, String newPassword) throws IOException, Exception {
        // PUT
        String url = JMESSAGE_URL + "/v1/users/" + username + "/password";
        JSONObject password = new JSONObject();
        password.put("new_password", newPassword);
        return httpPostOrGet(url, password.toJSONString());
    }

    /**
     * 删除用户
     */
    public String deleteUser(String username) throws IOException, Exception {
        // DELETE
        String url = JMESSAGE_URL + "/v1/users/" + username;
        return httpPostOrGet(url);
    }

    /**
     * 删除用户(最多支持同时删除100个用户)
     */
    public String deleteUsers(String... username) throws IOException, Exception {
        // DELETE
        String url = JMESSAGE_URL + "/v1/users/";
        return httpPostOrGet(url, username);
    }

    /**
     * 添加黑名单
     */
    public String addUserBlacklist(String username) throws IOException, Exception {
//        HttpMethod.PUT
        // PUT
        String url = JMESSAGE_URL + "/v1/users/" + username + "/blacklist";
        return httpPostOrGet(url);
    }

    /**
     * 添加黑名单
     */
    public String addUserBlacklist(String... username) throws IOException, Exception {
        // PUT
        String url = JMESSAGE_URL + "/v1/users/" + username + "/blacklist";
        return httpPostOrGet(url);
    }

    private String httpPostOrGet(String url) throws IOException, Exception {
        return httpPostOrGet(url, null);
    }

    /**
     * @param url     请求URL
     * @param payload 请求体为null 时，使用 GET请求方式
     */
    private String httpPostOrGet(String url, Object payload) throws IOException, Exception {
        Map<String, String> headers = new HashMap<>();
        headers.put("Authorization", Base64.encodeObject(appKey + ":" + masterSecret));
        String response;
        if (null == payload) {
            response = HttpUtils.get(url, headers);
        } else {
            response = HttpUtils.postBody(url, headers, "application/json", payload);
        }
        return response;
    }

}