package cn.mb.cloud.auth.security.component;

import cn.mb.cloud.common.core.constant.enums.ErrorCodeConstants;
import cn.mb.cloud.common.core.exception.BusinessException;
import cn.mb.cloud.common.core.util.ResponseData;
import lombok.extern.slf4j.Slf4j;
import org.springframework.http.HttpStatus;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.core.SpringSecurityMessageSource;
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.ResponseBody;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.List;

/**
 * @author jason
 * 全局异常处理器
 */
@Slf4j
@RestControllerAdvice
public class GlobalExceptionHandlerResolver {

    /**
     * 全局异常.
     *
     * @param e the e
     * @return R
     */
    @ExceptionHandler(Exception.class)
    @ResponseStatus(HttpStatus.OK)
    public ResponseData handleGlobalException(Exception e) {
        log.error("全局异常信息 ex={}", e.getMessage(), e);
        return ResponseData.builder()
                .msg(e.getLocalizedMessage())
                .code(ErrorCodeConstants.FAIL.getValue())
                .build();
    }

    @ExceptionHandler(RuntimeException.class)
    @ResponseStatus(HttpStatus.OK)
    @ResponseBody
    public ResponseData runtimeException(RuntimeException e) {
        log.error("运行时异常信息" + e.getMessage(), e);
        return ResponseData.builder().code(ErrorCodeConstants.FAIL.getValue()).msg(e.getMessage()).build();
    }

    @ExceptionHandler(BusinessException.class)
    @ResponseStatus(HttpStatus.OK)
    public ResponseData bussiness(BusinessException e) {
        log.error("业务异常 message= " + e.getMessage() + " code= " + e.getErrorCode(), e);
        return ResponseData.builder()
                .msg(e.getMessage())
                .code(ErrorCodeConstants.FAIL.getValue())
                .build();
    }

    /**
     * AccessDeniedException
     *
     * @param e the e
     * @return R
     */
    @ExceptionHandler(AccessDeniedException.class)
    @ResponseStatus(HttpStatus.FORBIDDEN)
    public ResponseData handleAccessDeniedException(AccessDeniedException e) {
        String msg = SpringSecurityMessageSource.getAccessor()
                .getMessage("AbstractAccessDecisionManager.accessDenied"
                        , e.getMessage());
        log.error("拒绝授权异常信息 ex={}", msg, e);
        return ResponseData.builder()
                .msg(msg)
                .code(ErrorCodeConstants.FAIL.getValue())
                .build();
    }

    /**
     * validation Exception
     *
     * @param exception
     * @return R
     */
    @ExceptionHandler({MethodArgumentNotValidException.class, BindException.class})
    @ResponseStatus(HttpStatus.BAD_REQUEST)
    public ResponseData handleBodyValidException(MethodArgumentNotValidException exception) {
        List<FieldError> fieldErrors = exception.getBindingResult().getFieldErrors();
        log.error("参数绑定异常,ex = {}", fieldErrors.get(0).getDefaultMessage());
        return ResponseData.builder()
                .msg(fieldErrors.get(0).getDefaultMessage())
                .code(ErrorCodeConstants.FAIL.getValue())
                .build();
    }
}