package com.bwie.service.impl;

import com.alibaba.fastjson.JSON;
import com.alibaba.nacos.common.utils.UuidUtils;
import com.bwie.common.constants.Constants;
import com.bwie.common.constants.JwtConstants;
import com.bwie.common.constants.TokenConstants;
import com.bwie.common.domain.User;
import com.bwie.common.domain.request.UserRequest;
import com.bwie.common.domain.response.JwtResponse;
import com.bwie.common.exception.auth.AuthException;
import com.bwie.common.result.Result;
import com.bwie.common.utils.JwtUtils;
import com.bwie.user.feign.RemoteUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Service;

import javax.servlet.http.HttpServletRequest;
import java.util.HashMap;
import java.util.concurrent.TimeUnit;

/**
 * @author gxb
 * @description TODO
 * @date 2024-01-03 10:05
 */
@Service
public class AuthServicelmpl implements AuthService{
    @Autowired
    private RemoteUserService remoteUserService;
    @Autowired
    private StringRedisTemplate redisTemplate;
    @Autowired
    private HttpServletRequest request;

    /**
     * 登录
     * @param userRequest
     * @return
     */
    @Override
    public Result login(UserRequest userRequest) {
        Result<User> userData = remoteUserService.findName(userRequest.getUsername());
        if (userData.getCode()== Constants.ERROR){
            throw new AuthException(userData.getMsg());
        }
        User user = userData.getData();
        if (null==user){
            throw new AuthException("用户名不存在，请重新登录！");
        }
        if (!user.getPassword().equals(userRequest.getPassword())){
            throw new AuthException("密码错误，请重新检查输入！");
        }
        JwtResponse token = this.getToken(user);
        if (1==user.getRole()){
            return Result.success(token,"管理员登录成功");
        }
        if (2==user.getRole()){
            return Result.success(token,"审核员登录成功");
        }

        return Result.success(token,"业务员登录成功");
    }

    @Override
    public Result lout() {
        String token = request.getHeader(TokenConstants.TOKEN);
        String userKey = JwtUtils.getUserKey(token);
        redisTemplate.delete(TokenConstants.LOGIN_TOKEN_KEY+userKey);
        return Result.success("chenggg");
    }

    /**
     * 生成token
     * @param user
     * @return
     */
    private JwtResponse getToken(User user){
        HashMap<String, Object> map = new HashMap<>();
        String userKey = UuidUtils.generateUuid().replaceAll("-", "");
        map.put(JwtConstants.USER_KEY,userKey);
        String token = JwtUtils.createToken(map);
        redisTemplate.opsForValue().set(TokenConstants.LOGIN_TOKEN_KEY+userKey,
                JSON.toJSONString(user),15, TimeUnit.MINUTES);
        return new JwtResponse(token);
    }
}