package vc.thinker.exception;

import org.eclipse.paho.client.mqttv3.MqttException;
import org.springframework.http.HttpStatus;
import org.springframework.validation.BindException;
import org.springframework.validation.FieldError;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import vc.thinker.response.AbstractResponse;
import vc.thinker.response.SimpleResponse;

import java.util.List;

/**
 * @author : xieshaojun
 * @date : 2023/1/3 15:21
 */
@RestControllerAdvice(annotations = RestController.class)
public class ExceptionAdvice {

    /**
     * 缺少参数
     * @param e
     * @return
     */
    @ResponseStatus(HttpStatus.BAD_REQUEST)
    @ExceptionHandler({MethodArgumentNotValidException.class, BindException.class})
    public AbstractResponse handleBodyValidException(MethodArgumentNotValidException e) {
        AbstractResponse errorResponse = new SimpleResponse();
        List<FieldError> fieldErrors = e.getBindingResult().getFieldErrors();
        errorResponse.setErrorInfo(HttpStatus.BAD_REQUEST.value(), fieldErrors.get(0).getDefaultMessage());
        return errorResponse;
    }


    @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
    @ExceptionHandler({MqttException.class})
    public AbstractResponse mqttException(MqttException e) {
        AbstractResponse errorResponse = new SimpleResponse();
        errorResponse.setErrorInfo(HttpStatus.INTERNAL_SERVER_ERROR.value(), "mqtt连接异常 "+ e.getMessage());
        return errorResponse;
    }

    /**
     * 请求过多
     * @param e
     * @return
     */
    @ResponseStatus(HttpStatus.TOO_MANY_REQUESTS)
    @ExceptionHandler({CurrentLimitException.class})
    public AbstractResponse currentLimitException(CurrentLimitException e) {
        AbstractResponse errorResponse = new SimpleResponse();
        errorResponse.setErrorInfo(HttpStatus.TOO_MANY_REQUESTS.value(), e.getMessage());
        return errorResponse;
    }
}