package com.farriver.bwf.web.initializer.interceptor;

import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpMethod;
import org.springframework.lang.Nullable;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import java.io.PrintWriter;

@Component
public class OptionsInterceptor implements HandlerInterceptor {
    private static final Logger logger = LoggerFactory.getLogger(OptionsInterceptor.class);

    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        logger.debug("OptionsInterceptor.preHandle is executed.");

        if (HttpMethod.OPTIONS.toString().equals(request.getMethod())) {
            response.setStatus(HttpServletResponse.SC_OK);
            PrintWriter out = response.getWriter();
            out.flush();
            out.close();
        }

        return true;
    }

    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, @Nullable ModelAndView modelAndView) throws Exception {
    }

    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, @Nullable Exception ex) throws Exception {
    }
}