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package io.rong.methods.user.blacklist;

import io.rong.RongCloud;
import io.rong.models.response.BlackListResult;
import io.rong.models.response.ResponseResult;
import io.rong.models.Result;
import io.rong.models.CheckMethod;
import io.rong.models.user.UserModel;
import io.rong.util.CommonUtil;
import io.rong.util.GsonUtil;
import io.rong.util.HttpUtil;

import java.net.HttpURLConnection;
import java.net.URLEncoder;
/**
 *
 * 用户黑名单服务
 * docs: "http://www.rongcloud.cn/docs/server.html#black"
 *
 * @author RongCloud
 * @version
 * */
public class Blacklist {

    private static final String UTF8 = "UTF-8";
    private static final String PATH = "user/blacklist";
    private String appKey;
    private String appSecret;
    private RongCloud rongCloud;

    public RongCloud getRongCloud() {
        return rongCloud;
    }
    public void setRongCloud(RongCloud rongCloud) {
        this.rongCloud = rongCloud;
    }
    public Blacklist(String appKey, String appSecret,RongCloud rongCloud) {
        this.appKey = appKey;
        this.appSecret = appSecret;
        this.rongCloud = rongCloud;

    }

    /**
     * 添加用户到黑名单方法（每秒钟限 100 次）
     *
     * @param  user:用户 Id,blacklist（必传）
     *
     * @return ResponseResult
     **/
    public Result add(UserModel user) throws Exception {

        String message = CommonUtil.checkFiled(user,PATH,CheckMethod.ADD);
        if(null != message){
            return (ResponseResult)GsonUtil.fromJson(message,ResponseResult.class);
        }

        StringBuilder sb = new StringBuilder();
        sb.append("&userId=").append(URLEncoder.encode(user.getId().toString(), UTF8));
        for(UserModel blackUser:user.getBlacklist()){
            sb.append("&blackUserId=").append(URLEncoder.encode(blackUser.getId().toString(), UTF8));
        }
        String body = sb.toString();
        if (body.indexOf("&") == 0) {
            body = body.substring(1, body.length());
        }

        HttpURLConnection conn = HttpUtil.CreatePostHttpConnection(rongCloud.getApiHostType(), appKey, appSecret,
                "/user/blacklist/add.json", "application/x-www-form-urlencoded");
        HttpUtil.setBodyParameter(body, conn);

        return (ResponseResult) GsonUtil.fromJson(CommonUtil.getResponseByCode(PATH,CheckMethod.ADD,HttpUtil.returnResult(conn)), ResponseResult.class);
    }

    /**
     * 获取某用户的黑名单列表方法（每秒钟限 100 次）
     *
     * @param  user:用户 Id。（必传）
     *
     * @return QueryBlacklistUserResult
     **/
    public BlackListResult getList(UserModel user) throws Exception {
        String message = CommonUtil.checkFiled(user,PATH,CheckMethod.GETLIST);
        if(null != message){
            return (BlackListResult)GsonUtil.fromJson(message,BlackListResult.class);
        }
        StringBuilder sb = new StringBuilder();
        sb.append("&userId=").append(URLEncoder.encode(user.getId().toString(), UTF8));
        String body = sb.toString();
        if (body.indexOf("&") == 0) {
            body = body.substring(1, body.length());
        }

        HttpURLConnection conn = HttpUtil.CreatePostHttpConnection(rongCloud.getApiHostType(), appKey, appSecret,
                "/user/blacklist/query.json", "application/x-www-form-urlencoded");
        HttpUtil.setBodyParameter(body, conn);

        return (BlackListResult) GsonUtil.fromJson(CommonUtil.getResponseByCode(PATH,CheckMethod.GETLIST,HttpUtil.returnResult(conn)), BlackListResult.class);
    }

    /**
     * 从黑名单中移除用户方法（每秒钟限 100 次）
     *
     * @param  user:用户 Id,blacklist（必传）
     *
     * @return ResponseResult
     **/
    public Result remove(UserModel user) throws Exception {
        String message = CommonUtil.checkFiled(user,PATH,CheckMethod.REMOVE);
        if(null != message){
            return (ResponseResult)GsonUtil.fromJson(message,ResponseResult.class);
        }

        StringBuilder sb = new StringBuilder();
        sb.append("&userId=").append(URLEncoder.encode(user.getId().toString(), UTF8));
        for(UserModel blackUser:user.getBlacklist()){
            sb.append("&blackUserId=").append(URLEncoder.encode(blackUser.getId().toString(), UTF8));
        }
        String body = sb.toString();
        if (body.indexOf("&") == 0) {
            body = body.substring(1, body.length());
        }

        HttpURLConnection conn = HttpUtil.CreatePostHttpConnection(rongCloud.getApiHostType(), appKey, appSecret,
                "/user/blacklist/remove.json", "application/x-www-form-urlencoded");
        HttpUtil.setBodyParameter(body, conn);

        return (ResponseResult) GsonUtil.fromJson(CommonUtil.getResponseByCode(PATH,CheckMethod.REMOVE,HttpUtil.returnResult(conn)), ResponseResult.class);
    }
}