package com.imooc.activitiweb.security;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.security.web.DefaultRedirectStrategy;
import org.springframework.security.web.RedirectStrategy;
import org.springframework.security.web.savedrequest.HttpSessionRequestCache;
import org.springframework.security.web.savedrequest.RequestCache;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@RestController
public class ActivitiSecurityController {
    private Logger logger = LoggerFactory.getLogger(getClass());
    private RequestCache requestCache = new HttpSessionRequestCache();
    private RedirectStrategy redirectStrategy = new DefaultRedirectStrategy();

    //估计是在springSecurity登录验证之后，对未登录用户跳转行为进行的判断。
    @RequestMapping("/login")
    @ResponseStatus(code = HttpStatus.UNAUTHORIZED)
    public SimpleResponse requireAuthentication(HttpServletRequest request, HttpServletResponse response) {
        /*SavedRequest savedRequest = requestCache.getRequest(request,response);
        if(savedRequest != null){
            String targetUrl = savedRequest.getRedirectUrl();
            logger.info("引发跳转的请求是："+targetUrl);
            if(StringUtils.endsWithIgnoreCase(targetUrl,".html")){
                try {
                    redirectStrategy.sendRedirect(request, response, "/demo-login.html");
                }
                catch(Exception e)
                {

                }
            }
        }*/

        return new SimpleResponse("需要登录，使用/demo-login.html或发起post求情");
    }
}