package com.mzl.flower.config;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.mzl.flower.base.ReturnDataDTO;
import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.http.HttpStatus;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;


@Slf4j
@Component
@AllArgsConstructor
public class ResourceAuthExceptionEntryPoint implements AuthenticationEntryPoint {

    private final ObjectMapper objectMapper;

    @Override
    public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException e) throws IOException, ServletException {
        response.setCharacterEncoding("UTF-8");
        response.setContentType("application/json; charset=utf-8");
        response.setStatus(HttpStatus.UNAUTHORIZED.value());
        PrintWriter printWriter = response.getWriter();
        ReturnDataDTO resultDTO = new ReturnDataDTO<>(String.valueOf(HttpStatus.UNAUTHORIZED.value()), null, e.getMessage());
        printWriter.append(objectMapper.writeValueAsString(resultDTO));
    }
}