package com.xzx.gc.interceptor;


import com.xzx.gc.common.annotations.PassToken;
import com.xzx.gc.common.constant.RedisKeyConstant;
import com.xzx.gc.common.exception.RestException;
import com.xzx.gc.common.utils.LogUtils;
import com.xzx.gc.common.utils.RedisUtil;
import com.xzx.gc.common.utils.SpringUtil;
import com.xzx.gc.entity.CoreUser;
import com.xzx.gc.model.ExceptionEnum;
import com.xzx.gc.model.MiException;
import com.xzx.gc.util.SessionUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.lang.reflect.Method;

@Component
@Slf4j
public class SessionInterceptor implements HandlerInterceptor{


    @Autowired
    private RedisUtil redisUtil;


    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object o) throws Exception {

        String sessionId=request.getSession().getId();
//        log.debug("进行SESSION拦截器：{},{}",sessionId,request.getRequestURI());

        if(SpringUtil.isDev()&&"true".equals(request.getHeader("swagger"))){
            return  true;
        }

        // 如果不是映射到方法直接通过或者是否有passtoken注释，有则跳过认证
        if (!(o instanceof HandlerMethod)) {
            return true;
        }
        HandlerMethod handlerMethod = (HandlerMethod) o;
        Method method = handlerMethod.getMethod();
        if(method.getName().equals("dataEchart")){
            return true;
        }
        if(method.getName().equals("queryListMap")){
            return true;
        }
        if (method.isAnnotationPresent(PassToken.class)) {
            PassToken passToken = method.getAnnotation(PassToken.class);
            if (passToken.required()) {
                return true;
            }
        }

        //验证session是否存在
        Object obj = request.getSession().getAttribute(SessionUtil.ACCESS_CURRENT_USER);
        Object obj2 = request.getSession().getAttribute(SessionUtil.ACCESS_CURRENT_ORG);
        if(obj == null||obj2==null){
            throw new MiException(ExceptionEnum.DATABASE_EXCEPTION);
        }
        CoreUser user= (CoreUser) obj;
        Long userId=user.getId();

        if(SpringUtil.isProdOrCloud()) {
            String oldSessionId = redisUtil.get(RedisKeyConstant.USER_SESSION_KEY + userId);
            if (!sessionId.equals(oldSessionId)) {
                throw new RestException(-2, "您的登录已经过期，请重新登录");
            }
        }

        LogUtils.setTraceId(LogUtils.TRACE_USER_ID,userId==null?"匿名":userId+"");

        return true;
    }

    @Override
    public void postHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, ModelAndView modelAndView) throws Exception {
    }

    @Override
    public void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception e) throws Exception {

        LogUtils.clearTraceId();
    }
}