package com.cloud.count.service.serviceImpl;

import com.cloud.count.dao.CountDao;
import com.cloud.count.model.Config;
import com.cloud.count.model.People;
import com.cloud.count.service.CountService;
import io.swagger.models.auth.In;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

@Service
public class CountServiceImpl implements CountService{
    /**
     * 进校人数比较基准值
     */
    public static volatile int baseEnters = 0;
    /**
     * 出校人数比较基准值
     */
    public static volatile int baseExits = 0;
    /**
     * 当前报文记录的累积进校人数
     */
    public static volatile int totalEnters = 0;
    /**
     * 当前报文记录的累积出校人数
     */
    public static volatile int totalExits = 0;
    /**
     * 统计设备可统计的最大数量
     */
    private static final int MAXCOUNT = 65535;
    /**
     * 统计设备单词可统计的最大数量
     */
    private static final int MAXCOUNTONCE = 100;
    /**
     * 计算的进入中间变量
     */
    private static volatile int tmpEnter = 0;
    private static volatile int tmpExit = 0;
    /**
     * 实时计算时作为计算的进校人数基准值
     */
    public static volatile int realtimeBaseEnters = 0;
    /**
     * 实时计算时作为计算的出校人数基准值
     */
    public static volatile int realtimebBaseExits = 0;
    /**
     * 误差数字（统计设备在放学时间重启，则进入人数小于出校人数，导致会出现负数的可能）
     */
    public static  volatile  int errorCount = 0;

    private static String[] time={"00","01","02","03","04","05",
            "06","07","08","09","10","11",
            "12","13","14","15","16","17",
            "18","19","20","21","22","23",
    };
    private static String[] time2={"00","05","10","15","20","25",
            "30","35","40","45","50","55"};
    public static volatile  int countType = 0;

    public static Map<Integer,Integer> dayAllMap = new HashMap<>();
    public static Map<Integer,Integer> dayOutMap = new HashMap<>();
    public static Map<Integer,Integer> dayInMap = new HashMap<>();

    public static int addEnter(int count) {
        int inCre = 0;
        if(tmpEnter <= count){
            inCre = count - tmpEnter;
        } else {
            if(tmpEnter >= (MAXCOUNT-MAXCOUNTONCE) && count <= MAXCOUNT) {
                inCre = count + MAXCOUNT - tmpEnter;
            }
        }
        tmpEnter = count;
        return inCre;
    }

    public static int addExit(int count) {
        int inCre = 0;
        if(tmpExit <= count){
            inCre = count - tmpExit;
        } else {
            if(tmpExit >= (MAXCOUNT-MAXCOUNTONCE) && count <= MAXCOUNT) {
                inCre = count + MAXCOUNT - tmpExit;
            }
        }
        tmpExit = count;
        return inCre;
    }

    /**
     * 统计参数初始化，用于统计设备重启情况(发送的第一条报文)
     */
    public static void initCountArgs(People people){
        baseEnters = 0;
        baseExits = 0;
        totalEnters = people.getEnters();
        totalExits = people.getExits();
        realtimeBaseEnters = 0;
        realtimebBaseExits = 0;
    }

    @Autowired
    private CountDao dao;
    /**
     * 查询页面所需数据，包括
     * 1.时间段内的进校人数 进校人数= 实际进校人数+校正值
     * 2.时间段内的出校人数
     * 3.校内人数 校内人数=进校人数-出校人数+初始值
     * 4.此时的进校人数
     * 5.此时的出校人数
     * 6.按小时统计 校内人数
     *
     * @return
     */
    @Override
    public Map<String, Object> getData() throws ParseException {
        Map<String,Object> map = new HashMap<>(16);
        // 获取一些初始值
        Config config = dao.getConfig();
        if(config==null) {
            config = new Config();
            config.setCor(1);
            config.setPassword("123456");
            config.setCountStartTime("06:00");
            config.setInit(1);
            config.setInitialPeople(60);
            config.setInitialTime("00:00");
        }
        // 初始人数值
        int initialPeople = (config.getInit()==1)?config.getInitialPeople():0;
        // 校正人数值
        int correctionPeople =(config.getCor()==1)?config.getCorrectionPeople():0;
        // 初始时间
        String initialTime = (config.getInit()==1)?config.getInitialTime():config.getCountStartTime();

        long now =(long)System.currentTimeMillis()/1000;
        // 今天的字符表示 "2018-12-20 "(有一个空格)
        String today = new SimpleDateFormat("yyyy-MM-dd").format(new Date())+" ";
        // 默认开始计算时间
        long set = new SimpleDateFormat("yyyy-MM-dd HH:mm").parse(today+config.getCountStartTime()).getTime()/1000;
        // 获取设定初始值的初始时间
        long start = new SimpleDateFormat("yyyy-MM-dd HH:mm").parse(today+initialTime).getTime()/1000;

        if (now>start-1 && now<start+11){//表示从设置的初始化时间开始重新计数
           baseEnters = totalEnters;
           baseExits = totalExits;

           dayAllMap = new HashMap<>();
           dayInMap = new HashMap<>();
           dayOutMap = new HashMap<>();
       }

        // 从开始计算时间到现在的进校数
        //进校人数 = 当前报文totalEnters - 基准进校人数 + 校正值
        int inPeople = totalEnters - baseEnters + correctionPeople + initialPeople;

        int outPeople = totalExits - baseExits;

        // 校内总人数 = 进校人数 - 出校人数 + 校内初始化人数 + 误差数量
        int allPeople = inPeople - outPeople;

        // 现在离开始统计的时间的小时数 7个多小时 按7个小时算
        //int hour = (int)(Math.abs(now-set)+3599)/3600;
        int minute = (int)(Math.abs(now-set)+1799)/1800;
        int[] people = new int[minute];
        String[] time_set = new String[minute];
        // 开始统计时间 分开 如06:40
        String[] times = config.getCountStartTime().split(":");
        // 初始设置时间分开
        String[] times2 = initialTime.split(":");//初始化时间06:00
        // 设置时间图表的项
        int charat = Integer.parseInt(times[0]);//统计开始时间06:00
        int mm =Integer.parseInt(times2[0])-charat;//分钟是00
        // 设置时间图表的项，比如图表的开始统计时间为06:40，则time_set就是[06:40,07:40,08:40,09:40,10:40,11:40,12:40,]
        for(int i=0;i<minute;i++){
            //time_set[i]=time[charat]+":"+times[1];
           // charat = (charat+1)%24;
            time_set[i]=  new SimpleDateFormat("HH:mm").format( new Date((set+1800L*i)*1000L) );
           // System.out.println(time_set[i]);
        }
        // 设置 数据表的项
        // 初始时间小时减去 图表开始时间小时  如果为负数，依次统计不受影响，如果为正数，比如说从6：30开始统计，现在是10：00，要求在7：00 把数据初始化
        // 但是只会统计7：30，则7：30统计的数据默认为初始人数，并且以后的从7：30开始统计
        long hourset = set;
        for(int i=0;i<minute;i++){
            if( (mm == i) && (countType==0) ){
                people[i]=initialPeople;
                set = hourset; //这行代码很重要，表示重新统计
            }else {

               // people[i] = dao.countInPeople(set-60,hourset+3599)- dao.countOutPeople(set-60,hourset+3599)+initialPeople+correctionPeople;
                //每次都实时计算，会重复计算历史数据
//                people[i] = getDataValue(map,countType,set-60,hourset+1799,initialPeople,correctionPeople);
                //采用缓存的方式，算过的就不再计算了
                if(countType == 1){
                    if(dayInMap.containsKey(i) && minute >1 && (i != minute-1)){
                        people[i] = dayInMap.get(i);
                    }else{
                        people[i] = getDataValue(map,countType,set-60,hourset+1799,initialPeople,correctionPeople);
                        dayInMap.put(i, people[i]);
                    }
                } else if(countType == 0) {
                    if(dayAllMap.containsKey(i) && minute >1 && (i != minute-1)){
                        people[i] = dayAllMap.get(i);
                    }else{
                        people[i] = getDataValue(map,countType,set-60,hourset+1799,initialPeople,correctionPeople);
                        dayAllMap.put(i, people[i]);
                    }
                } else {
                    if(dayOutMap.containsKey(i) && minute >1 && (i != minute-1)){
                        people[i] = dayOutMap.get(i);
                    }else{
                        people[i] = getDataValue(map,countType,set-60,hourset+1799,initialPeople,correctionPeople);
                        dayOutMap.put(i, people[i]);
                    }
                }


            }
            hourset +=1800;
        }

        map.put("dat_in",inPeople);
        map.put("dat_out",outPeople);
        map.put("dat_no",allPeople);
        map.put("dat_all",people);
        map.put("time_set",time_set);
        return map;
    }

    /**
     *  1代表算进  -1代表算出  0代表算总和
     * @param i
     * @return
     */
   private int getDataValue( Map<String, Object> map,int i,long start,long end,int initialPeople,int correctionPeople){
       String todayStr = new SimpleDateFormat("yyyy-MM-dd").format(new Date());
        switch (i){
            case 1:
                map.put("countType","进校人数");
                Integer countInPeople = dao.countInPeople(start, end, todayStr);
                countInPeople=countInPeople==null||countInPeople < 0? 0 : countInPeople;
                return countInPeople+correctionPeople;
            case -1:
                map.put("countType","出校人数");
                Integer countOutPeople = dao.countOutPeople(start, end, todayStr);
                return countOutPeople==null||countOutPeople < 0? 0 : countOutPeople;
            case 0:
                map.put("countType","校内人数");
                Integer in = dao.countInPeople(start, end, todayStr);
                Integer out = dao.countOutPeople(start, end, todayStr);
                in = in==null||in<0?0:in;
                out = out==null||out<0?0:out;
                return in-out+initialPeople+correctionPeople;
            default:
                map.put("countType","人数");
                return 0;
        }

 }
    /**
     * 统计开始时间到现在的进出入情况
     *
     * @param startdate
     * @return
     */
    @Override
    public Map<String, Object> getNowData(Date startdate) {
        Map<String,Object> map = new HashMap<>(16);
        int inPeopleNow = totalEnters - realtimeBaseEnters;
        int outPeopleNow = totalExits - realtimebBaseExits;
        map.put("inNow",inPeopleNow);
        map.put("outNow",outPeopleNow);
        return map;
    }

    @Override
    public void savePeople(People people) {
        dao.savePeople(people);
    }

    @Override
    public void updateConfigInfo(Config config) {
        Config old = getConfig();
        config.setPassword(old.getPassword());
        dao.updateConfig(config);
    }
    @Override
    public Config getConfig(){
       return dao.getConfig();
    }

    @Override
    public void countType(int countType) {
        CountServiceImpl.countType=countType;
    }

    @Override
    public void setOld() {
        baseEnters = totalEnters;
        baseExits = totalExits;
    }

    @Override
    public void updateConfigPassword(String password) {
        Config config = getConfig();
        config.setPassword(password);
        dao.updateConfig(config);
    }

    @Override
    public void updateConfig(Config config) {
        dao.updateConfig(config);
    }
}