package com.ljsd.controller;

import com.google.gson.Gson;
import com.ljsd.pojo.ResMsg;
import com.ljsd.redis.RedisKey;
import com.ljsd.redis.RedisUtil;
import com.ljsd.util.BaseGlobal;
import com.ljsd.util.IdCard;
import com.ljsd.util.MD5Util;
import com.ljsd.util.StringUtils;
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.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.*;

public class UserLoginController extends HttpServlet {
    private static Gson gson = new Gson();
    private static final String _COLLECTION_NAME = "user_register_info";

    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        this.doPost(request, response);
    }
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        response.setCharacterEncoding("UTF-8");
        response.setContentType("application/json; charset=utf-8");
        String name = request.getParameter("userName");
        String password = request.getParameter("password");
        String sign = request.getParameter("sign");
        String returnMsg = "success";
        ResMsg resMsg = new ResMsg();
        resMsg.setCode(1);
        try (PrintWriter out = response.getWriter();){
            if(StringUtils.checkIsEmpty(name) || StringUtils.checkIsEmpty(password) || StringUtils.checkIsEmpty(sign)){
                resMsg.setMsg("参数不能为空");
                out.print(gson.toJson(resMsg));
                return;
            }
            String mySign = MD5Util.encrypByMd5(name + password + MD5Util.salt);
            if(!mySign.equals(sign)){
                resMsg.setMsg("签名错误");
                out.print(gson.toJson(resMsg));
                return;
            }
            DBObject one = BaseGlobal.getInstance().mongoDBPool.findOne(_COLLECTION_NAME, name);
            if(one ==null){
                resMsg.setMsg("该账号不存在");
                out.print(gson.toJson(resMsg));
                return;
            }
            Object passwordInDb = one.get("password");
            if(!password.equals(passwordInDb)){
                resMsg.setMsg("密码错误，请重试");
                out.print(gson.toJson(resMsg));
                return;
            }
            Map<String,String> parms = new HashMap<>();
            String openId = one.get("openId").toString();
            parms.put("openId",one.get("openId").toString());
            int token = new Random().nextInt(1024) +10000;
            parms.put("token",Integer.toString(token));
            BaseGlobal.getInstance().redisApp.set(RedisKey.LOGIN_TOKEN,openId,token,-1, false);

            int code = 0;
            //开关防沉迷
            Properties properties = BaseGlobal.getInstance().properties;
            if(Boolean.parseBoolean(properties.getProperty("openAdultCheck"))){
                int age = 0;//年龄
                if(one.get("idstr")==null){
                    //resMsg.setCode(2);//未进行身份验证
                    code = 2;
                }else{
                    if(IdCard.isAdult((String) one.get("idstr"))){
                        age = 19;
                    }
                    //resMsg.setCode(0);//正常
                    code = 0;
                }
                resMsg.setMsg(String.valueOf(age)); //登录成功，返回年龄
            }else{
                resMsg.setMsg(returnMsg);
            }



            resMsg.setCode(code);//正常

            resMsg.setParms(parms);
            out.print(gson.toJson(resMsg));
        }catch (Exception e){
            e.printStackTrace();
        }
    }

}