package com.gszc.service;

import cn.binarywang.wx.miniapp.api.WxMaService;
import cn.binarywang.wx.miniapp.bean.WxMaJscode2SessionResult;
import cn.binarywang.wx.miniapp.bean.WxMaPhoneNumberInfo;
import cn.binarywang.wx.miniapp.bean.WxMaUserInfo;
import com.alibaba.fastjson.JSONObject;
import com.gszc.conf.WxMaConfiguration;
import com.gszc.entity.MiniUser;
import com.gszc.mapper.MiniUserMapper;
import me.chanjar.weixin.common.error.WxErrorException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.time.LocalDateTime;
import java.util.*;

@Service
@Transactional
public class MiniAppService {

    final WxMaService wxService = WxMaConfiguration.getMaService("wxb39f114716ec3157");

    @Autowired
    MiniUserMapper miniUserMapper;

    public MiniUser decryptUserInfo(String userId, String encryptedData, String iv, String signature, String rawData) {
        //todo sessionKeyId 查出 sessionKey
        String sessionKey = getSessionKey(userId);

//        if (!wxService.getUserService().checkUserInfo(sessionKey, rawData, signature)) {
//            throw new RuntimeException("用户信息校验不通过");
//        }

        // 解密用户信息
        WxMaUserInfo userInfo = wxService.getUserService().getUserInfo(sessionKey, encryptedData, iv);
        //todo 数据库insert or update
        String openId = userInfo.getOpenId();
//        Example userExample = new Example(MiniUser.class);
//        Example.Criteria userExampleCriteria = userExample.createCriteria();
//        userExampleCriteria.andEqualTo("openId",openId);
        Map<String, Object> columnMap = new HashMap<>();
        columnMap.put("open_id", openId);
        List<MiniUser> miniUsers = miniUserMapper.selectByMap(columnMap);
        MiniUser miniUser = miniUsers.get(0);
        miniUser.setSex(userInfo.getGender());
        miniUser.setHeadImg(userInfo.getAvatarUrl());
        miniUserMapper.updateById(miniUser);
//        oceanUser.setNickName(userInfo.getNickName());
//        oceanUser.setSex(userInfo.getGender());
//        oceanUser.setCity(userInfo.getCity());
//        oceanUser.setProvince(userInfo.getProvince());
//        oceanUser.setCountry(userInfo.getCountry());
//        oceanUser.setImg(userInfo.getAvatarUrl());
//        oceanUser.setUnionId(userInfo.getUnionId());
//        oceanUserMapper.updateByExampleSelective(oceanUser,userExample);
        //openId = "oSlgh5f2gox-Pc0fgXNdtKhODdCU"
        //nickName = "白白白洺洺洺豪豪豪"
        //gender = "1"
        //language = "zh_CN"
        //city = "Baoshan"
        //province = "Shanghai"
        //country = "China"
        //avatarUrl = "https://wx.qlogo.cn/mmopen/vi_32/iaOkCNibLPS4fSh0N2Bc8yCfuMn3UicjUfT45SVNNCavjwB43JkF7bAEXq7vJJyOJcXPddeECjt1icFHzfC6boHt9g/132"
        //unionId = null
        miniUser.setSessionKey(null);
        miniUser.setOpenId(null);
        return miniUser;
        //todo 返回完整的user对象 里面的sessionKey和openid字段要remove掉再给前端
    }

    public JSONObject isNewUser(String code) {

        WxMaJscode2SessionResult sessionInfo = null;
        try {
            sessionInfo = wxService.getUserService().getSessionInfo(code);
        } catch (WxErrorException e) {
            throw new RuntimeException("获取openid失败", e);
        }
        String sessionKey = sessionInfo.getSessionKey();
        String openid = sessionInfo.getOpenid();
        String unionid = sessionInfo.getUnionid();
        //todo 根据openid去数据库查 该用户 存在 更新一下sessionkey字段  isNew=false sessionkeyid=xx  不存在放并把以上3个字段新建一个用户(外加生成sessionkeyid) 返回结果  isNew=true sessionkeyid=xx
//        Example userExample = new Example(OceanUser.class);
//        Example.Criteria userExampleCriteria = userExample.createCriteria();
//        userExampleCriteria.andEqualTo("openId",openid);
//
//        OceanUser oceanUser = oceanUserMapper.selectOneByExample(userExample);
        Map<String, Object> columnMap = new HashMap<>();
        columnMap.put("open_id", openid);
        List<MiniUser> miniUsers = miniUserMapper.selectByMap(columnMap);

//        MiniUser miniUser = miniUsers.get(0);

        JSONObject jsonObject = new JSONObject();

        if(miniUsers.size()==0){
            MiniUser miniUser = new MiniUser();
            String id = UUID.randomUUID().toString();
            miniUser.setId(id);
            miniUser.setSessionKey(sessionKey);
            miniUser.setOpenId(openid);
            miniUser.setCreateDate(new Date());
//            oceanUser.setSessionKey(sessionKey);
//            oceanUser.setOpenId(openid);
//            oceanUser.setUnionId(unionid);
//            oceanUser.setSessionKeyId(id);
            miniUserMapper.insert(miniUser);
            jsonObject.put("isNew",true);
            jsonObject.put("userId",id);
            jsonObject.put("openId",openid);
        }else {
            MiniUser miniUser = miniUsers.get(0);
            miniUser.setSessionKey(sessionKey);
//            oceanUser.setSessionKey(sessionKey);
            miniUserMapper.updateById(miniUser);//是否是更新一个字段
//            oceanUserMapper.updateByExampleSelective(oceanUser,userExample);
            jsonObject.put("isNew",false);
            jsonObject.put("userId",miniUser.getId());
            jsonObject.put("openId",openid);
        }

        return jsonObject;
    }

    public MiniUser decryptPhoneNumber(String userId, String signature,
                                   String rawData, String encryptedData, String iv) {

        //todo sessionKeyId 查出 sessionKey
        String sessionKey = getSessionKey(userId);

        // 用户信息校验
        if (!wxService.getUserService().checkUserInfo(sessionKey, rawData, signature)) {
            throw new RuntimeException("用户信息校验不通过");
        }

        // 解密
        WxMaPhoneNumberInfo phoneNoInfo = wxService.getUserService().getPhoneNoInfo(sessionKey, encryptedData, iv);
        //区号
        String countryCode = phoneNoInfo.getCountryCode();

        //不带区号的手机号
        String purePhoneNumber = phoneNoInfo.getPurePhoneNumber();

        //todo 根据sessionKeyId 去update补全用户的手机号 然后返回user对象 sessionKey remove掉
//        Example userExample = new Example(OceanUser.class);
//        Example.Criteria userExampleCriteria = userExample.createCriteria();
//        userExampleCriteria.andEqualTo("id",userId);
//        OceanUser oceanUser = oceanUserMapper.selectOneByExample(userExample);
        MiniUser miniUser = miniUserMapper.selectById(userId);
        miniUser.setAreaCode(countryCode);
        miniUser.setTelephone(purePhoneNumber);
        miniUserMapper.updateById(miniUser);
//        oceanUserMapper.updateByExampleSelective(oceanUser,userExample);
        miniUser.setSessionKey(null);
        miniUser.setOpenId(null);
        return miniUser;
    }

    private String getSessionKey(String userId){
        MiniUser miniUser = miniUserMapper.selectById(userId);
        String sessionKey = miniUser.getSessionKey();
        return sessionKey;
    }

}