import java.util.*;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.context.config.ResourceNotFoundException;
import org.springframework.http.HttpStatus;
import org.springframework.http.converter.HttpMessageNotReadableException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.ResponseStatus;

/**
 * 全域性異常處理器
 *
 */
@ControllerAdvice
 

@ResponseBody
public class GlobalExceptionHandler {

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

    /**
     * @param e
     * @return
     */
    @ExceptionHandler({ HttpMessageNotReadableException.class })
    @ResponseStatus(value = HttpStatus.OK)
    public Map handleHttpException(HttpMessageNotReadableException e) {
        String msg = e.getMessage();
        logger.info("HttpMessageNotReadableException : {}", msg);
        return ResultBuilder.failResult(msg);//直接返回map結果
    }

    /**
     * ResourceNotFoundException處理
     * @param e
     * @return
     */
    @ExceptionHandler(value = ResourceNotFoundException.class)
    @ResponseStatus(value = HttpStatus.OK)
    public Map handleResourceNotFoundException(ResourceNotFoundException e) {
        String msg = e.getMessage();
        logger.info("ResourceNotFoundException : {}", msg);
        if (StringUtils.isBlank(msg)) {
            msg = "資源不存在";
        }
        return ResultBuilder.failResult(msg);//直接返回map結果
    }

    /**
     * 其他異常處理
     * @param e
     * @return
     */
    @ExceptionHandler(value = Exception.class)
    @ResponseStatus(value = HttpStatus.OK)
    public Map handleException(Exception e) {
        // 記錄錯誤資訊
        logger.error(e.getMessage());
        String msg = e.getMessage();
        if (msg == null || msg.equals("")) {
            msg = "伺服器出錯，請聯絡管理員";
        }
        return ResultBuilder.failResult(msg);//直接返回map結果
    }

}