package com.ycl.calculate;

import com.ycl.platform.domain.entity.CheckIndexCar;
import com.ycl.platform.domain.result.HK.SnapshotDataMonitorResult;
import com.ycl.platform.mapper.CheckIndexCarMapper;
import com.ycl.platform.service.ICheckIndexCarService;
import com.ycl.system.entity.SysDictData;
import com.ycl.system.mapper.SysDictDataMapper;
import com.ycl.utils.DateUtils;
import constant.ApiConstants;
import constant.CheckConstants;
import constant.CheckThreadConstants;
import constant.RedisConstant;
import enumeration.general.AreaDeptEnum;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Component;

import java.math.BigDecimal;
import java.math.RoundingMode;
import java.time.LocalDate;
import java.time.temporal.TemporalAdjusters;
import java.util.*;

/**
 * 计算车辆视图库对接稳定性
 * 抓拍数据量监测结果接口数据
 * 获取分省厅、区域的map<k,v> k为deptId或者Province_deptId
 * 循环map计算点位在线率
 * 更新或新增
 */
@Component
@Slf4j
public class CarSnapshopDataCalculation extends IndexCalculationServe<SnapshotDataMonitorResult, CarSnapshopDataCalculation.AreaStats> implements CalculationStrategy<SnapshotDataMonitorResult> {
    @Autowired
    private CheckIndexCarMapper checkIndexCarMapper;
    @Autowired
    private ICheckIndexCarService checkIndexCarService;
    @Autowired
    private RedisTemplate redisTemplate;
    @Autowired
    private SysDictDataMapper dictDataMapper;

    //区域车辆视图库对接稳定性的内部类
    protected static class AreaStats {
        int totalSites = 0;
        int totalDataSum = 0;
        //加权后的同期抓拍量
        int lastSnapCount = 0;
    }

    @Override
    public void calculate(List<SnapshotDataMonitorResult> list) {
        //获取分区域的指标数量
        Map<String, CarSnapshopDataCalculation.AreaStats> areaStatsMap = getAreaStatsMap(list, Boolean.FALSE);
        if (areaStatsMap == null) return;

        // 获取当前日期
        LocalDate today = LocalDate.now();
        // 获取本月的第一天
        LocalDate firstDayOfMonth = today.with(TemporalAdjusters.firstDayOfMonth());
        // 判断今天是否是本月的第一天
        if (today.equals(firstDayOfMonth)) {
            // 如果是，则清除Redis中记录中断次数的数据
            redisTemplate.delete(RedisConstant.Check_Car_ViewConnect);
        }
        //从字典获取同期抓拍量
        List<SysDictData> lastSnap = dictDataMapper.selectDictDataByType(CheckConstants.DICT_LAST_SNAP);
        //根据各个区县点位数据对同期抓拍量做加权处理
        fillLastSnap(areaStatsMap, lastSnap);
        // 查询是否index表已经存在今日数据
        List<CheckIndexCar> checkIndexCarList = checkIndexCarMapper.selectToday(DateUtils.getDate());
        List<CheckIndexCar> checkIndexCars = new ArrayList<>();
        areaStatsMap.forEach((key, stats) -> {
            if (stats.totalSites > 0) {
                CheckIndexCar checkIndexCar = createOrUpdateCheckIndexCar(key, stats, checkIndexCarList);
                if (checkIndexCar != null) {
                    checkIndexCars.add(checkIndexCar);
                }
            }
        });

        checkIndexCarService.saveOrUpdateBatch(checkIndexCars);
    }

    //根据点位数量对同期抓拍量作加权处理
    private void fillLastSnap(Map<String, AreaStats> areaStatsMap, List<SysDictData> lastSnap) {
        //省厅总点位数
        int provinceTotalSites = 0;
        //区县总点位数
        int countyTotalSites = 0;
        //同期省厅抓拍量
        int lastProvinceSnap = 0;
        //同期区县抓拍量
        int lastCountySnap = 0;
        //从字典里筛选省厅值
        Optional<SysDictData> first = lastSnap.stream().filter(sysDictData -> CheckConstants.SNAP_PROVINCE_CAR.equals(sysDictData.getDictLabel())).findFirst();
        if (first.isPresent()) {
            lastProvinceSnap = Integer.parseInt(first.get().getDictValue());
        }
        //从字典里筛选区县值
        Optional<SysDictData> first2 = lastSnap.stream().filter(sysDictData -> CheckConstants.SNAP_COUNTY_CAR.equals(sysDictData.getDictLabel())).findFirst();
        if (first2.isPresent()) {
            lastCountySnap = Integer.parseInt(first2.get().getDictValue());
        }
        log.info("省厅同期：{}，区县同期：{}",lastProvinceSnap,lastCountySnap);
        //计算总数
        for (Map.Entry<String, AreaStats> entry : areaStatsMap.entrySet()) {
            String key = entry.getKey();
            AreaStats value = entry.getValue();
            if (key.startsWith(ApiConstants.Province)) {
                provinceTotalSites += value.totalSites;
            } else {
                countyTotalSites += value.totalSites;
            }
        }
        log.info("省厅总数：{}，区县总数：{}",provinceTotalSites,countyTotalSites);
        //加权操作,补充同期抓拍量
        for (Map.Entry<String, AreaStats> entry : areaStatsMap.entrySet()) {
            String key = entry.getKey();
            AreaStats value = entry.getValue();
            //省厅
            if (key.startsWith(ApiConstants.Province)) {
                if (value.totalSites == 0) {
                    value.lastSnapCount = 0;
                } else {
                    BigDecimal result = new BigDecimal(value.totalSites)
                            .divide(new BigDecimal(provinceTotalSites), 2, RoundingMode.HALF_UP)
                            .multiply(new BigDecimal(lastProvinceSnap));
                    value.lastSnapCount = result.setScale(0, RoundingMode.HALF_UP).intValue();
                }
            } else {
                //区县
                if (value.totalSites == 0) {
                    value.lastSnapCount = 0;
                } else {
                    BigDecimal result = new BigDecimal(value.totalSites)
                            .divide(new BigDecimal(countyTotalSites), 2, RoundingMode.HALF_UP)
                            .multiply(new BigDecimal(lastCountySnap));
                    value.lastSnapCount = result.setScale(0, RoundingMode.HALF_UP).intValue();
                }
            }
            log.info("计算的数据：总点位数：{}，总抓拍量：{}，同期抓拍量：{}",value.totalSites,value.totalDataSum,value.lastSnapCount);
        }
    }

    /**
     * 累计总点位数、离线数、总抓拍量
     */
    @Override
    public void updateAreaStats(Map<String, AreaStats> areaStatsMap, String key, SnapshotDataMonitorResult result) {
        //返回对象的引用，如果不存在会放入新的key,value
        AreaStats stats = areaStatsMap.computeIfAbsent(key, k -> new AreaStats());
        stats.totalSites++;

        if (ApiConstants.HK_SnapCount_ResultType_Null != result.getResultType()) {
            stats.totalDataSum += result.getDataCount();
        }

    }

    /**
     * 车辆视图库对接稳定性
     */
    private CheckIndexCar createOrUpdateCheckIndexCar(String key, AreaStats stats, List<CheckIndexCar> checkIndexCarList) {
        CheckIndexCar checkIndexCar = getCheckIndex(key, checkIndexCarList, CheckIndexCar.class);
        if (checkIndexCar == null) {
            return null;
        }

        //视图库对接稳定性
        //Redis记录该区县当月无数据上传次数
        Integer noDateCount = (Integer) redisTemplate.opsForHash().get(RedisConstant.Check_Car_ViewConnect, key);
        // 如果值为null，则初始化为0
        if (noDateCount == null) {
            noDateCount = 0;
        }
        Double deductScore = 0.1 * noDateCount;

        if (stats.totalDataSum != 0) {
            Map<String, Object> viewConnectParam = new HashMap<>();
            viewConnectParam.put("totalDataSum", stats.totalDataSum);
            viewConnectParam.put("lastCount", new BigDecimal(stats.lastSnapCount).multiply(new BigDecimal(CheckConstants.MultiplyNum)).divide(new BigDecimal(LocalDate.now().getDayOfMonth()), 0, RoundingMode.HALF_UP));
            BigDecimal viewConnectStability = viewConnectStability(viewConnectParam);
            viewConnectStability = viewConnectStability.subtract(new BigDecimal(deductScore)).max(BigDecimal.ZERO).min(BigDecimal.ONE);
            checkIndexCar.setViewConnectStability(viewConnectStability);
        } else {
            noDateCount++;
        }
        // 将新的值放回Hash中
        redisTemplate.opsForHash().put(RedisConstant.Check_Car_ViewConnect, key, noDateCount);
        return checkIndexCar;
    }
}