package com.nanometer.smartlab.api;

import com.alibaba.fastjson.JSON;
import com.nanometer.smartlab.exception.BusinessException;
import com.nanometer.smartlab.exception.ExceptionEnumCode;
import com.nanometer.smartlab.model.ResponseModel;
import com.nanometer.smartlab.util.Constants;
import com.nanometer.smartlab.util.MessageUtil;
import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.bind.annotation.ExceptionHandler;

import javax.servlet.http.HttpServletRequest;
import java.io.Serializable;

/**
 * Created by johnny on 16/7/20.
 */
public abstract class BaseAction implements Serializable {
    private final static Logger logger = LoggerFactory.getLogger(BaseAction.class);

    /** 基于@ExceptionHandler异常处理 */
    @ExceptionHandler
    public Object exp(HttpServletRequest request, Exception e) {
        if(e instanceof IllegalArgumentException){
            logger.error("error occured.", e);
            return ResponseModel.getParamInstence(e.getMessage());
        }else if (e instanceof RuntimeException){
            logger.error("error occured.", e);
            return ResponseModel.getErrInstance();
        }else if (e instanceof Throwable) {
            logger.error("error occured.", e);
            return ResponseModel.getErrInstance();
        } else {
            logger.error("error occured.", e);
            return ResponseModel.getErrInstance();
        }

    }

    public String getResponseString(ResponseModel responseModel) {
        if (responseModel == null) {
            responseModel = new ResponseModel<String>();
            responseModel.setCode(ExceptionEnumCode.OK.getCode());
            responseModel.setMessage(MessageUtil.getMessageByCode(responseModel.getCode()));
        }

        return JSON.toJSONString(responseModel);
    }

    public String getResponseString(String code, String errMessage) {
        ResponseModel responseModel = new ResponseModel<String>();
        responseModel.setCode(code);
        responseModel.setMessage(errMessage);
        return this.getResponseString(responseModel);
    }

    public String getResponseString(String code) {
        String errMessage = MessageUtil.getMessageByCode(code);
        return this.getResponseString(code, errMessage);
    }

    public String getOkResponseString() {
        return this.getResponseString(ExceptionEnumCode.OK.getCode());
    }

    public String getSysErrResponseString() {
        return this.getResponseString(ExceptionEnumCode.SYS_ERR.getCode());
    }

    private String getHeader(HttpServletRequest request, String key) {
        if (request == null || StringUtils.isBlank(key)) {
            return null;
        }

        return request.getHeader(key);
    }

    public String getIdCardFromHeader(HttpServletRequest request) {
        return this.getHeader(request, Constants.HEADER_KEY_ID_CARD);
    }
}