package com.whyc.service;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.whyc.dto.Point;
import com.whyc.dto.Response;
import com.whyc.mapper.BattStationTempAlarmMapper;
import com.whyc.pojo.db_alarm.BattStationTempAlarm;
import com.whyc.pojo.db_batt.BattMonsLocation;
import com.whyc.util.HikTempUtil;
import com.whyc.util.PointUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.List;
import java.util.stream.Collectors;

@Service
public class BattStationTempAlarmService {

    @Resource
    private BattStationTempAlarmMapper mapper;

    @Autowired
    private BattMonsLocationService battMonsLocationService;


    public Response<PageInfo<BattStationTempAlarm>> getPage(int pageNum, int pageSize, Integer level) {
        PageHelper.startPage(pageNum,pageSize);
        List<BattStationTempAlarm> list = mapper.getList(level);
        /*//对这些告警进行计算在磁条哪边,并计算与磁条的垂直线的百分比
        list.forEach(alarm->{
            Integer battGroupId = alarm.getBattGroupId();
            //将maxTempPoint进行解析，得到x,y坐标,并放入Point对象中 TODO 这里暂定最大温度对应的点为1个坐标
            String maxTempPoint = alarm.getMaxTempPoint();
            String[] split = maxTempPoint.split("\\*");
            Point tempPoint = new Point(Integer.valueOf(split[0]),Integer.valueOf(split[1]));
            //磁条的坐标,格式为 x1*y1,x2*y2
            String mstPoints = HikTempUtil.cameraInfoList.stream().filter(c -> c.getBattGroupId().equals(battGroupId)).findFirst().get().getMstPoints();
            String[] mstPointsSplit = mstPoints.split(",");
            Point mstPointStart = null;
            Point mstPointEnd = null;
            for (int i = 0; i < mstPointsSplit.length; i++) {
                String mstPointsStr = mstPointsSplit[i];
                if (i == 0) {
                    mstPointStart = new Point(Integer.valueOf(mstPointsStr.split("\\*")[0]),Integer.valueOf(mstPointsStr.split("\\*")[1]));
                }else{
                    mstPointEnd = new Point(Integer.valueOf(mstPointsStr.split("\\*")[0]),Integer.valueOf(mstPointsStr.split("\\*")[1]));
                }
            }
            //计算tempPoint坐标点在 mstPointStart和mstPointEnd组成的线的哪边
            String position = PointUtil.determinePosition(mstPointStart.getX(), mstPointEnd.getX(), mstPointStart.getY(), mstPointEnd.getY(), tempPoint.getX(), tempPoint.getY());
            //计算tempPoint与线的垂足
            Point footPoint = PointUtil.findIntersection2(mstPointStart, mstPointEnd, tempPoint);
            //判断垂足footPoint与mstPointStart和mstPointEnd组成的线段,在线上还是在延长线上
            double pointPercentage = PointUtil.calculateProportion(footPoint.getX(), footPoint.getY(), mstPointStart.getX(), mstPointStart.getY(), mstPointEnd.getX(), mstPointEnd.getY());

            alarm.setPosition(position);
            alarm.setPointPercentage(pointPercentage);

        });*/
        /**判断 最高温度点 在 四个点形成的框 内部*/
        List<BattMonsLocation> batteryLocations  = battMonsLocationService.getList();
        list.forEach(alarm->{
            String maxTempPointStr = alarm.getMaxTempPoint();
            if(maxTempPointStr.contains(",")){ // 万一有多个点,取第一个点
                maxTempPointStr = maxTempPointStr.split(",")[0];
            }
            String[] split = maxTempPointStr.split("\\*");
            Point tempPoint = new Point(Integer.valueOf(split[0]),Integer.valueOf(split[1]));
            List<BattMonsLocation> battGroupLocations = batteryLocations.stream().filter(location -> location.getBattGroupId().intValue() == alarm.getBattGroupId()).collect(Collectors.toList());
            for (int i = 0; i < battGroupLocations.size(); i++) {
                BattMonsLocation battMonsLocation = batteryLocations.get(i);
                String battMonsPoints = battMonsLocation.getBattMonsPoints();
                //battMonsPoints为四边形的四个坐标点,示例: x1*y1,x2*y2,x3*y3,x4*y4

                // 解析四边形的四个顶点坐标
                String[] points = battMonsPoints.split(",");
                int[] pointsX = new int[4];
                int[] pointsY = new int[4];
                for (int j = 0; j < points.length; j++) {
                    String[] xy = points[j].split("\\*");
                    pointsX[j] = Integer.parseInt(xy[0]);
                    pointsY[j] = Integer.parseInt(xy[1]);
                }

                // 判断点是否在四边形内
                boolean isInside = PointUtil.isPointInQuadrilateral(tempPoint.getX(), tempPoint.getY(),pointsX, pointsY);
                //System.out.println("点是否在四边形内: " + isInside);
                if(isInside){
                    alarm.setBattMonsLocation(battMonsLocation);
                    break;
                }
            }

        });
        PageInfo<BattStationTempAlarm> pageInfo = new PageInfo<>(list);
        return new Response<PageInfo<BattStationTempAlarm>>().set(1,pageInfo);
    }

    public static void main(String[] args) {
            String battMonsPoints = "0*0,0*4,4*4,4*0";
            String tempPointStr = "1*4";

            // 解析四边形的四个顶点坐标
            String[] points = battMonsPoints.split(",");
            int[] pointsX = new int[4];
            int[] pointsY = new int[4];
            for (int i = 0; i < points.length; i++) {
                String[] xy = points[i].split("\\*");
                pointsX[i] = Integer.parseInt(xy[0]);
                pointsY[i] = Integer.parseInt(xy[1]);
            }

            // 解析待判断的点坐标
            String[] tempPointArray = tempPointStr.split("\\*");
            int tx = Integer.parseInt(tempPointArray[0]);
            int ty = Integer.parseInt(tempPointArray[1]);

            // 判断点是否在四边形内
            boolean isInside = PointUtil.isPointInQuadrilateral(tx, ty,pointsX, pointsY);
            System.out.println("点是否在四边形内: " + isInside);
    }

    public Response<PageInfo<BattStationTempAlarm>> getHisPage(int pageNum, int pageSize, Integer level) {
        PageHelper.startPage(pageNum,pageSize);
        List<BattStationTempAlarm> list = mapper.getHisList(level);
        PageInfo<BattStationTempAlarm> pageInfo = new PageInfo<>(list);
        return new Response<PageInfo<BattStationTempAlarm>>().set(1,pageInfo);
    }

    public BattStationTempAlarm getByBattGroupId(int battGroupId) {
        QueryWrapper<BattStationTempAlarm> query = Wrappers.query();
        query.eq("batt_group_id",battGroupId);
        query.isNull("end_time");
        return mapper.selectOne(query);
    }

    public void updateById(BattStationTempAlarm alarm) {
        mapper.updateById(alarm);
    }

    public void add(BattStationTempAlarm alarm) {
        mapper.insert(alarm);
    }
}