package cn.com.tenlion.config;


import cn.com.tenlion.accesstokenmanager.AccessTokenManager;
import cn.com.tenlion.pojo.dtos.carduser.CardUserDTO;
import cn.com.tenlion.pojo.vos.carduser.CardUserVO;
import cn.com.tenlion.service.carduser.ICardUserService;
import cn.com.tenlion.util.AesUtil;
import com.github.pagehelper.util.StringUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

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

/**
 * TODO
 * @version 1.0
 * @author LY
 * @date 2021/1/27 12:20
 */
@Component
public class CheckAuth implements HandlerInterceptor {

    @Autowired
    private ICardUserService cardUserService;

    /**
     * 在请求处理之前进行调用（Controller方法调用之前）
     */
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) {
        try {
            String path = request.getServletPath();
            if(path.contains("release")){
                return true;
            }


            String token = request.getHeader("token");
            if(token == null || StringUtil.isEmpty(token)){
//                response.setStatus(response.SC_METHOD_NOT_ALLOWED);
//                response.addHeader("msg","token不合法");
                response.sendError(response.SC_METHOD_NOT_ALLOWED,"token不合法");
                return false;
            }

            CardUserDTO tokenManage = AccessTokenManager.getInstance().getKey(token);
            if(tokenManage != null) {
                AccessTokenManager.getInstance().updateLastActivityTime(token);
                return true;
            }else{
                String aesDecoderToken = AesUtil.aesCommonDecoder(token,token);
                CardUserDTO cardUserDTO = cardUserService.getCardUserById(aesDecoderToken);
                if(cardUserDTO != null){
                    AccessTokenManager.getInstance().setKey(token,cardUserDTO);
                    AccessTokenManager.getInstance().updateLastActivityTime(token);
                }
            }
            response.setStatus(response.SC_OK);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }

    /**
     * 请求处理之后进行调用，但是在视图被渲染之前（Controller方法调用之后）
     */
    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) {
        System.out.println("执行了TestInterceptor的postHandle方法");
    }

    /**
     * 在整个请求结束之后被调用，也就是在DispatcherServlet 渲染了对应的视图之后执行（主要是用于进行资源清理工作）
     */
    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) {
        System.out.println("执行了TestInterceptor的afterCompletion方法");
    }



}