package cn.autoform.fw.exception;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
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 cn.autoform.fw.utility.RestResultGenerator;

/**
 * @author yangrx
 * RestExceptionHandler
 * 
 */
@RestControllerAdvice
public class RestExceptionHandler {
	private static final Logger LOGGER = LoggerFactory.getLogger(RestExceptionHandler.class);

    @ExceptionHandler
    @ResponseBody
//    @ResponseStatus(HttpStatus.BAD_REQUEST)
	private <T> RestResult<T> runtimeExceptionHandler(Exception e) {
		// BAD LOGIN
		if (e instanceof RowOverLengthException) {
			// ROWOVERLENGTH
			LOGGER.error("---------> ROWOVERLENGTH!", e);
			return RestResultGenerator.genErrorResult("100004");
		}else if(e instanceof FormClientException){
			LOGGER.error("---------> FORM CLIENT REEOR!", e);
//			return RestResultGenerator.genErrorResult("100011");
			RestResult<T> rr = RestResult.newInstance();
			rr.setRspCode(((FormClientException)e).getCode());
			rr.setRspDesc(((FormClientException)e).getName());
			return rr;
		}else if(e instanceof IEMRuntimeException) {
			RestResult<T> rr = RestResult.newInstance();
			rr.setRspCode(((IEMRuntimeException)e).getCode());
			rr.setRspDesc(((IEMRuntimeException)e).getMessage());
			return rr;
		}else if(e instanceof LoginException){
			LOGGER.error("SYSTEM ERROR!", e);
			return RestResultGenerator.genErrorResult("L0001");
		}else{
			LOGGER.error("SYSTEM ERROR!", e);
			return RestResultGenerator.genErrorResult("100001");
		}
	}

    @ExceptionHandler(MethodArgumentNotValidException.class)
    @ResponseBody
    @ResponseStatus(HttpStatus.BAD_REQUEST)
    private <T> RestResult<T> illegalParamsExceptionHandler(MethodArgumentNotValidException e) {
        LOGGER.error("---------> invalid request!", e);
        return RestResultGenerator.genErrorResult("100002");
    }
}