package kr.wisestone.owl.config.security.handler;

import kr.wisestone.owl.common.MessageAccessor;
import kr.wisestone.owl.constant.Constants;
import kr.wisestone.owl.constant.MsgConstants;
import kr.wisestone.owl.util.ConvertUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.stereotype.Component;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.Map;

@Component
public class AjaxAuthenticationEntryPoint implements AuthenticationEntryPoint {

    private final Logger log = LoggerFactory.getLogger(AjaxAuthenticationEntryPoint.class);

    @Autowired
    protected MessageAccessor messageAccessor;

    @Override
    public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException arg2) {
        Map<String, Object> resJsonData = new HashMap<>();

        resJsonData.put(Constants.RES_KEY_MESSAGE,
                this.messageAccessor.getResMessage(MsgConstants.SESSION_EXPIRED, Constants.RES_KEY_MSG_FAIL));

        response.setContentType("application/json");
        response.setCharacterEncoding("utf-8");
        response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);

        String data = ConvertUtil.convertObjectToJson(resJsonData);

        try (PrintWriter out = response.getWriter()) {
            out.print(data);
            out.flush();
        } catch (IOException e) {
            log.error(e.getMessage());
        }
    }
}