package com.epmet.service.impl;

import cn.binarywang.wx.miniapp.bean.WxMaJscode2SessionResult;
import cn.binarywang.wx.miniapp.bean.WxMaUserInfo;
import com.epmet.common.token.constant.LoginConstant;
import com.epmet.common.token.dto.TokenDto;
import com.epmet.common.token.dto.form.LoginByPassWordFormDTO;
import com.epmet.common.token.dto.form.LoginByWxCodeFormDTO;
import com.epmet.common.token.dto.result.UserTokenResultDTO;
import com.epmet.common.token.util.CpUserDetailRedis;
import com.epmet.commons.tools.exception.RenException;
import com.epmet.commons.tools.utils.Result;
import com.epmet.dao.CustomerUserDao;
import com.epmet.entity.CustomerUserEntity;
import com.epmet.jwt.JwtTokenProperties;
import com.epmet.jwt.JwtTokenUtils;
import com.epmet.service.LoginService;
import com.epmet.utils.WxMaServiceUtils;
import lombok.extern.slf4j.Slf4j;
import me.chanjar.weixin.common.error.WxErrorException;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.HashMap;
import java.util.Map;

/**
 * @Description
 * @Author yinzuomei
 * @Date 2020/3/14 20:31
 */
@Slf4j
@Service
public class LoginServiceImpl implements LoginService {
	private static final Logger logger = LoggerFactory.getLogger(AuthServiceImpl.class);

	@Autowired
	private CustomerUserDao customerUserDao;

	@Autowired
	private WxMaServiceUtils wxMaServiceUtils;

	@Autowired
	private JwtTokenUtils jwtTokenUtils;

	@Autowired
	private JwtTokenProperties jwtTokenProperties;

	@Autowired
	private CpUserDetailRedis cpUserDetailRedis;

	/**
	 * 微信小程序登录
	 *
	 * @param formDTO
	 * @return com.epmet.commons.tools.utils.Result<com.epmet.dto.UserTokenResultDTO>
	 * @author yinzuomei
	 * @since 2020/3/14 19:34
	 */
	@Override
	public Result<UserTokenResultDTO> loginByWxCode(LoginByWxCodeFormDTO formDTO) {
		//1、根据wxCode获取微信信息
		WxMaJscode2SessionResult wxMaJscode2SessionResult = this.getWxMaUser(formDTO);
		logger.info("openId=[" + wxMaJscode2SessionResult.getOpenid() + "]unionId=[" + wxMaJscode2SessionResult.getUnionid() + "]");
		//2、根据openId查询数据库，没有则直接插入一条记录
		String userId = this.getUserId(formDTO, wxMaJscode2SessionResult);
		if (StringUtils.isNotBlank(userId)) {
			//3、封装token且存到redis
			UserTokenResultDTO userTokenResultDTO = new UserTokenResultDTO();
			userTokenResultDTO.setToken(this.packagingUserToken(formDTO, userId, wxMaJscode2SessionResult));
			return new Result<UserTokenResultDTO>().ok(userTokenResultDTO);
		}
		return new Result<UserTokenResultDTO>().error("登录失败");
	}

	/**
	 * 解析微信code获取小程序用户信息
	 *
	 * @param formDTO
	 * @return cn.binarywang.wx.miniapp.bean.WxMaJscode2SessionResult
	 * @author yinzuomei
	 * @date 2020/3/14 20:16
	 */
	private WxMaJscode2SessionResult getWxMaUser(LoginByWxCodeFormDTO formDTO) {
		WxMaJscode2SessionResult wxMaJscode2SessionResult = null;
		try {
			if (LoginConstant.APP_GOV.equals(formDTO.getApp())) {
				wxMaJscode2SessionResult = wxMaServiceUtils.govWxMaService().jsCode2SessionInfo(formDTO.getWxCode());
			} else if (LoginConstant.APP_OPER.equals(formDTO.getApp())) {
				wxMaJscode2SessionResult = wxMaServiceUtils.operWxMaService().jsCode2SessionInfo(formDTO.getWxCode());
			} else if (LoginConstant.APP_RESI.equals(formDTO.getApp())) {
				wxMaJscode2SessionResult = wxMaServiceUtils.resiWxMaService().jsCode2SessionInfo(formDTO.getWxCode());
			}
		} catch (WxErrorException e) {
			log.error("->[getMaOpenId]::error[{}]", "解析微信code失败");
		}
		if (null == wxMaJscode2SessionResult) {
			throw new RenException("解析微信用户信息失败");
		} else if (StringUtils.isBlank(wxMaJscode2SessionResult.getOpenid())) {
			throw new RenException("获取微信openid失败");
		}
		return wxMaJscode2SessionResult;
	}

	/**
	 * 根据openId查询用户id
	 *
	 * @param formDTO
	 * @param wxMaJscode2SessionResult
	 * @return java.lang.String
	 * @author yinzuomei
	 * @since 2020/3/14 19:34
	 */
	private String getUserId(LoginByWxCodeFormDTO formDTO, WxMaJscode2SessionResult wxMaJscode2SessionResult) {
		String userId = "";
		if (LoginConstant.APP_GOV.equals(formDTO.getApp())) {
			//查询customer_staff待完善
		} else if (LoginConstant.APP_OPER.equals(formDTO.getApp())) {
			//查询oper_staff待完善
		} else if (LoginConstant.APP_RESI.equals(formDTO.getApp())) {
			//查询customer_user
			userId = customerUserDao.selectByWxOpenId(wxMaJscode2SessionResult.getOpenid());
			if (StringUtils.isBlank(userId)) {
				WxMaUserInfo wxMaUserInfo = wxMaServiceUtils.resiWxMaService().getUserService()
						.getUserInfo(wxMaJscode2SessionResult.getSessionKey(),
								formDTO.getEncryptedData(),
								formDTO.getIv());
				CustomerUserEntity customerUserEntity = new CustomerUserEntity();
				customerUserEntity.setCity(wxMaUserInfo.getCity());
				customerUserEntity.setWxOpenId(wxMaUserInfo.getOpenId());
				customerUserEntity.setNickname(wxMaUserInfo.getNickName());
				customerUserEntity.setCountry(wxMaUserInfo.getCountry());
				customerUserEntity.setHeadImgUrl(wxMaUserInfo.getAvatarUrl());
				customerUserEntity.setCountry(wxMaUserInfo.getCountry());
				customerUserEntity.setProvince(wxMaUserInfo.getProvince());
				customerUserEntity.setSex(Integer.valueOf(wxMaUserInfo.getGender()));
				customerUserDao.insert(customerUserEntity);
				userId = customerUserEntity.getId();
			}
		}
		return userId;
	}

	/**
	 * 封装用户token值
	 *
	 * @param formDTO
	 * @param userId
	 * @param wxMaJscode2SessionResult
	 * @return java.lang.String
	 * @author yinzuomei
	 * @since 2020/3/14 19:34
	 */
	private String packagingUserToken(LoginByWxCodeFormDTO formDTO,
									  String userId,
									  WxMaJscode2SessionResult wxMaJscode2SessionResult) {
		// 生成token
		Map<String, Object> map = new HashMap<>();
		map.put("app", formDTO.getApp());
		map.put("client", formDTO.getClient());
		map.put("userId", userId);
		String token = jwtTokenUtils.createToken(map);
		int expire = jwtTokenProperties.getExpire();
		TokenDto tokenDto = new TokenDto();
		tokenDto.setApp(formDTO.getApp());
		tokenDto.setClient(formDTO.getClient());
		tokenDto.setUserId(userId);
		tokenDto.setOpenId(wxMaJscode2SessionResult.getOpenid());
		tokenDto.setSessionKey(wxMaJscode2SessionResult.getSessionKey());
		tokenDto.setUnionId(wxMaJscode2SessionResult.getUnionid());
		cpUserDetailRedis.set(tokenDto, expire);
		return token;
	}

	/**
	 * 手机号+密码登录接口
	 *
	 * @param formDTO
	 * @return com.epmet.commons.tools.utils.Result<com.epmet.dto.UserTokenResultDTO>
	 * @author yinzuomei
	 * @since 2020/3/14 19:34
	 */
	@Override
	public Result<UserTokenResultDTO> loginByPassword(LoginByPassWordFormDTO formDTO) {
		//1、账号是否存在
		//2、密码是否正确
		//3、生成token返回，且将TokenDto存到redis
		return null;
	}
}