package com.kedacom.keda.controller;


import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.session.ExpiringSession;
import org.springframework.session.FindByIndexNameSessionRepository;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.util.Map;

/**
 * 测试Controller，以便于观察Spring Session的特性
 */
@Controller
public class CookieController {
    @Autowired FindByIndexNameSessionRepository<? extends ExpiringSession> sessionRepository;
    //访问http://localhost:8771/test/cookie?browser=chrome可演示出测试效果
    //而http://localhost:8764/eureka-web/test/cookie?browser=chrome使用服务网关后则不行
    @RequestMapping("/test/cookie")
    public String cookie(@RequestParam("browser") String browser, HttpServletRequest request, HttpSession session) {
        //取出session中的browser
        Object sessionBrowser = session.getAttribute("browser");
        if (sessionBrowser == null) {
            System.out.println("不存在session，设置browser=" + browser);
            session.setAttribute("browser", browser);
        } else {
            System.out.println("存在session，browser=" + sessionBrowser.toString());
        }
        Cookie[] cookies = request.getCookies();
        if (cookies != null && cookies.length > 0) {
            for (Cookie cookie : cookies) {
                System.out.println(cookie.getName() + " : " + cookie.getValue());
            }
        }
        return "index";
    }

    @RequestMapping("/test/findByUsername")
    @ResponseBody
    public Map findByUsername(@RequestParam String username) {
        Map<String, ? extends ExpiringSession> usersSessions = sessionRepository.findByIndexNameAndIndexValue(FindByIndexNameSessionRepository.PRINCIPAL_NAME_INDEX_NAME, username);
        return usersSessions;
    }
}