package com.genersoft.iot.vmp.conf;

import cn.dev33.satoken.exception.*;
import com.genersoft.iot.vmp.conf.exception.ControllerException;
import com.genersoft.iot.vmp.vmanager.bean.ErrorCode;
import com.genersoft.iot.vmp.vmanager.bean.WVPResult;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.bind.annotation.RestControllerAdvice;

/**
 * 全局异常处理
 */
@RestControllerAdvice
public class GlobalExceptionHandler {

    private final static Logger logger = LoggerFactory.getLogger(GlobalExceptionHandler.class);

    /**
     * 默认异常处理
     * @param e 异常
     * @return 统一返回结果
     */
    @ExceptionHandler(Exception.class)
    @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
    public WVPResult<String> exceptionHandler(Exception e) {
        logger.error("[全局异常]： ", e);
        return WVPResult.fail(ErrorCode.ERROR500.getCode(), e.getMessage());
    }

    /**
     * 默认异常处理
     * @param e 异常
     * @return 统一返回结果
     */
    @ExceptionHandler(IllegalStateException.class)
    @ResponseStatus(HttpStatus.BAD_REQUEST)
    public WVPResult<String> exceptionHandler(IllegalStateException e) {
        return WVPResult.fail(ErrorCode.ERROR400);
    }


    /**
     * 自定义异常处理， 处理controller中返回的错误
     * @param e 异常
     * @return 统一返回结果
     */
    @ExceptionHandler(ControllerException.class)
    @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
    public ResponseEntity<WVPResult<String>> exceptionHandler(ControllerException e) {
        return new ResponseEntity<>(WVPResult.fail(e.getCode(), e.getMsg()), HttpStatus.OK);
    }

    /**
     * 登陆失败
     *
     * @param e 异常
     * @return 统一返回结果
     */
    @ExceptionHandler(BadCredentialsException.class)
    @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
    public ResponseEntity<WVPResult<String>> exceptionHandler(BadCredentialsException e) {
        return new ResponseEntity<>(WVPResult.fail(ErrorCode.ERROR100.getCode(), e.getMessage()), HttpStatus.OK);
    }

    /**
     * 全局异常处理
     */
    @RestControllerAdvice
    public static class AuthException {

        private Logger logger = LoggerFactory.getLogger(AuthException.class);

        // 拦截：未登录异常
        @ExceptionHandler(NotLoginException.class)
        public ResponseEntity<WVPResult> handlerException(NotLoginException e) {
            logger.warn("[未登录异常]: {}", e.getMessage());
            // 打印堆栈，以供调试
//            e.printStackTrace();
            // 构造包含401状态码和对应数据的WVPResult对象
            WVPResult result = WVPResult.fail(ErrorCode.ERROR401);
            return ResponseEntity.status(HttpStatus.UNAUTHORIZED).body(result);
        }

        // 拦截：缺少权限异常
        @ExceptionHandler(NotPermissionException.class)
        public ResponseEntity<WVPResult> handlerException(NotPermissionException e) {
            logger.warn("[缺少权限异常] {}", e.getMessage());
//            e.printStackTrace();
            WVPResult result = WVPResult.fail(ErrorCode.ERROR403);
            return ResponseEntity.status(HttpStatus.UNAUTHORIZED).body(result);
        }

        // 拦截：缺少角色异常
        @ExceptionHandler(NotRoleException.class)
        public ResponseEntity<WVPResult> handlerException(NotRoleException e) {
            logger.warn("[缺少角色异常] {}", e.getMessage());
//            e.printStackTrace();
            WVPResult result = WVPResult.fail(ErrorCode.ERROR403);
            return ResponseEntity.status(HttpStatus.UNAUTHORIZED).body(result);
        }

        // 拦截：二级认证校验失败异常
        @ExceptionHandler(NotSafeException.class)
        public ResponseEntity<WVPResult> handlerException(NotSafeException e) {
            logger.warn("二级认证校验失败异常");
            e.printStackTrace();
            WVPResult result = WVPResult.fail(ErrorCode.ERROR403);
            return ResponseEntity.status(HttpStatus.UNAUTHORIZED).body(result);
        }

        // 拦截：服务封禁异常
        @ExceptionHandler(DisableServiceException.class)
        public WVPResult handlerException(DisableServiceException e) {
            logger.error("当前服务已被封禁");
            e.printStackTrace();
            return WVPResult.fail(ErrorCode.ERROR403, "当前服务已被封禁");
        }

        // 拦截：Http Basic 校验失败异常
        @ExceptionHandler(NotBasicAuthException.class)
        public WVPResult handlerException(NotBasicAuthException e) {
            logger.error("Http Basic 校验失败异常");
            e.printStackTrace();
            return WVPResult.fail(ErrorCode.ERROR401);
        }

        // 拦截：其它所有异常
        @ExceptionHandler(Exception.class)
        public WVPResult handlerException(Exception e) {
            logger.error("其它所有异常");
            e.printStackTrace();
            return WVPResult.fail(ErrorCode.ERROR500);
        }
    }
}