package com.ljsd.controller;

import com.alibaba.fastjson.JSONObject;
import com.ljsd.pojo.SuJieAccount;
import com.ljsd.redis.RedisKey;
import com.ljsd.util.BaseGlobal;
import com.ljsd.util.EncryptUtils;
import com.ljsd.util.HttpUtils;
import com.ljsd.util.KTSDKConstans;
import com.mongodb.BasicDBObject;
import com.mongodb.DBObject;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Random;

public class GetUserController extends HttpServlet {
    private final static String _COLLECTION_NAME = "user_info";

    public GetUserController() {
        super();
    }

    public void destroy() {
        super.destroy();
    }


    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        String openId = request.getParameter("openId");
        if (openId == null || openId.isEmpty()) {
            response.sendError(400, "openId is empety");
            return;
        }
        String serverId = request.getParameter("serverId");
        if (serverId == null || serverId.isEmpty()) {
            response.sendError(400, "serverId is empety");
            return;
        }
        String token = request.getParameter("token");
        if (token == null || serverId.isEmpty()) {
            response.sendError(400, "token is empety");
            return;
        }
        String platform = request.getParameter("platform"); //平台类型
        if (platform == null || platform.isEmpty()) {
            response.sendError(400, "platform is empety");
            return;
        }
        if(!"3".equals(platform)){
            SuJieAccount suJieAccount = loginVerfify(platform, openId, token);
            if(suJieAccount == null){
                response.sendError(400, "verify fail");
                return;
            }
        }

        DBObject dbObject = new BasicDBObject();
        dbObject.put("openId", openId);
        dbObject.put("serverId", serverId);
        dbObject.put("platform", platform);
        try {
            int uid = 0;
            List<DBObject> userInfos = BaseGlobal.getInstance().mongoDBPool.find(_COLLECTION_NAME, dbObject);
            DBObject res = new BasicDBObject();
            if (userInfos.size() == 0) {
                uid = BaseGlobal.getInstance().mongoDBPool.inc("uid") + 10000000;
                dbObject.put("uid", uid);
                dbObject.put("_id", uid);
                userInfos.add(dbObject);
                BaseGlobal.getInstance().mongoDBPool.save(_COLLECTION_NAME, dbObject);
            }
            Random random = new Random();
            int utoken = Math.abs(random.nextInt());
            uid = (int) userInfos.get(0).get("uid");
            res.put("uid", uid);
            res.put("token", utoken);
            BaseGlobal.getInstance().redisApp.set(RedisKey.TOKEN, String.valueOf(uid), token, -1, false);
            PrintWriter out = response.getWriter();
            out.print(res);
            out.flush();
            out.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        this.doGet(request, response);
    }


    public static SuJieAccount loginVerfify(String platForm,String openId,String token){
        try{
            String loginUrl = "";
            if("1".equals(platForm)){
                loginUrl = KTSDKConstans.androidVerify;
            }else if("2".equals(platForm)){
                loginUrl = KTSDKConstans.iosVerify;
            }
            Map<String, String> params = new HashMap<String, String>();
            params.put("userID", openId);
            params.put("token", token);
            StringBuilder sb = new StringBuilder();
            sb.append("userID=").append(openId)
                    .append("token=").append(token)
                    .append(KTSDKConstans.appid);

            String sign = EncryptUtils.createMD5String(sb.toString());
            params.put("sign", sign);
            String loginResult = HttpUtils.doPost(loginUrl,params);
            if(loginResult == null || loginResult.isEmpty()){
                return null;
            }
            return parseLoginResult(loginResult);
        }catch(Exception e){
            return null;
        }

    }


    private static SuJieAccount parseLoginResult(String orderResult){
        try {
            SuJieAccount suJieAccount = (SuJieAccount)JSONObject.parse(orderResult);
            int state =  suJieAccount.getState();
            if(state != 0){
                return null;
            }
            return suJieAccount;
        } catch (Exception e) {
            e.printStackTrace();
        }

        return null;
    }

}