@Controller
@Slf4j
@RequestMapping("/mini-app")
public class AppLoginController extends BaseController {

    @Resource
    private PasswordService passwordService;
    @Resource
    private IUserService userService;
    @Resource
    private RedisCache redisCache;
    @Value("${rsa.privateKey}")
    
 
private String privateKey;

    /**
     * h5端登入
     * @param loginName    登入名
     * @param password     密碼
     * @return
     */
    @PostMapping("/login")
    @ResponseBody
    public AjaxResult login(String loginName,String password){
        try {
            log.info("h5端登入");
            if (StringUtils.isEmpty(loginName) || StringUtils.isEmpty(password)){
                
 
return error("賬號或密碼不能為空");
            }
            String logName = RSAUtils.decryptByPrivateKey(loginName, privateKey);
            String pwd = RSAUtils.decryptByPrivateKey(password, privateKey);
            log.debug("loginName:{},logName:{}", loginName, logName);
            log.debug("password:{},pwd:{}", password, pwd);

            User user 
 
= userService.selectUserByLoginName(logName);
            if (null == user){
                return error("賬號或密碼錯誤");
            }
            String salt = user.getSalt();
            String md5PassWord = passwordService.encryptPassword(logName, pwd, salt);
            if (!StringUtils.equals(md5PassWord,user.getPassword())){
                return error("賬號或密碼錯誤");
            }
            Map<String, Object> map = new HashMap<String, Object>() {
                private static final long serialVersionUID = 1L;
                {
                    put("userId", user.getUserId());
                    put("expire_time", System.currentTimeMillis() + 1000 * 60 * 60 * 24 * 7);
                }
            };
            String token = JWTUtil.createToken(map, user.getLoginName().getBytes());
            //儲存token 24小時 每次登入會覆蓋原來的token（自動登入有效時間）
            redisCache.setCacheObject("APP_TOKEN_" + user.getUserId(), token, 7, TimeUnit.DAYS);
            //返回使用者資訊
            UserVo userVo = getUser(user, token);
            return AjaxResult.success("登入成功",userVo);
        } catch (Exception e) {
            return error("賬戶或密碼錯誤！");
        }
    }


    /**
     * 自動登入
     * @param token
     * @return
     */
    @GetMapping("/autoLogin")
    @ResponseBody
    public AjaxResult autoLogin(String token){
        log.info("自動登入");
        JWT jwt = JWTUtil.parseToken(token);
        Integer userId = (Integer) jwt.getPayload("userId");
        User user = userService.selectUserById(Long.valueOf(userId));
        if (null == user){
            return error("自動登入失敗!");
        }
        Date expireTime = new Date((Long)jwt.getPayload("expire_time"));
        Date now = DateUtils.getNowDate();
        if (now.after(expireTime)){
            return error("登入過期!");
        }
        boolean verify = JWTUtil.verify(token, user.getLoginName().getBytes());
        if (!verify){
            return error("自動登入失敗!");
        }
        //返回使用者資訊
        UserVo userVo = getUser(user, token);
        return AjaxResult.success("登入成功",userVo);
    }

    /**
     * 返回登入使用者資訊
     */
    public UserVo getUser(User user,String token){
        UserVo userVo = new UserVo();
        userVo.setUserId(user.getUserId());
        userVo.setUserName(user.getUserName());
        userVo.setLoginName(user.getLoginName());
        userVo.setUserType(user.getUserType());
        userVo.setEmail(user.getEmail());
        userVo.setPhoneNumber(user.getPhonenumber());
        userVo.setSex(user.getSex());
        userVo.setAvatar(user.getAvatar());
        userVo.setToken(token);
        return userVo;
    }

    /**
     * 退出登入
     * @param loginName    登入名
     * @return
     */
    @PostMapping("/logout")
    @ResponseBody
    public AjaxResult logout(String loginName){
        log.info("退出登入");
        User user = userService.selectUserByLoginName(loginName);
        String key = "APP_TOKEN_" + user.getUserId();
        redisCache.deleteObject(key);
        return AjaxResult.success("退出成功");
    }
}