package cn.com.goldenwater.dcproj.intercepter;

import cn.com.goldenwater.dcproj.utils.ReturnUtils;
import cn.com.goldenwater.dcproj.utils.UserMsgSectrityUtils;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.concurrent.TimeUnit;

/**
 *
 * 用于处理请求路径上的用户参数
 * */
@Component
public class PathVariableInterceptor extends HandlerInterceptorAdapter {

    @Value("${intercept.enable}")
    public Boolean enterceptEnable;
    private Logger logger = LoggerFactory.getLogger(getClass());

    @Autowired
    private RedisTemplate redisTemplate;

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

        if(enterceptEnable) {
                String phone=request.getParameter("phone");
                if(StringUtils.isBlank(phone) && !UserMsgSectrityUtils.isMobileNO(phone)){
                    ReturnUtils.responseFail(response,"手机号信息不能为空",9991);
                    return false;
                }
                String blackIp= (String) redisTemplate.opsForValue().get("blackList:"+phone);
                if(phone.equals(blackIp)){
                    ReturnUtils.responseFail(response,"检测到该手机号登录过于频繁，可能存在恶意操作，系统已将手机用户暂时列入黑名单,如果疑问，请1小时后再试!",9991);
                    return false;
                }
                long startTime=  redisTemplate.opsForValue().get(phone+"_time")==null?0L: Long.valueOf(redisTemplate.opsForValue().get(phone+"_time")+"");
                if(startTime==0L){
                    redisTemplate.opsForValue().set(phone+"_time",System.currentTimeMillis());
                    redisTemplate.opsForValue().set(phone+"_login_count",1);
                }else{
                    int count= redisTemplate.opsForValue().get(phone+"_login_count")==null?0: (int) redisTemplate.opsForValue().get(phone+"_login_count");
                    if(count<20){
                        count=count+1;
                        redisTemplate.opsForValue().set(phone+"_login_count",count);
                    }else{
                        long time=(System.currentTimeMillis()-startTime)/3600000L;
                        if(time>1){
                            redisTemplate.opsForValue().set(phone+"_login_count",0);
                            redisTemplate.opsForValue().set(phone+"_time",0L);
                        }else{
                            redisTemplate.opsForValue().set("blackList:"+phone,phone,3600000L,TimeUnit.MILLISECONDS);
                            ReturnUtils.responseFail(response,"检测到该手机号登录过于频繁，可能存在恶意操作，系统已将手机用户暂时列入黑名单,如果疑问，请1小时后再试!",9991);
                            return false;
                        }
                    }
                }

            }

        return true;
    }
}