package com.ycl.calculate;

import com.ycl.platform.domain.entity.CheckIndexFace;
import com.ycl.platform.domain.result.HK.SnapshotDelayMonitorResult;
import com.ycl.platform.domain.vo.TMonitorVO;
import com.ycl.platform.mapper.CheckIndexFaceMapper;
import com.ycl.platform.mapper.TMonitorMapper;
import com.ycl.platform.service.ICheckIndexFaceService;
import constant.ApiConstants;
import constant.CheckConstants;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.util.CollectionUtils;
import utils.DateUtils;

import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.function.Function;
import java.util.stream.Collectors;

/**
 * 计算人脸设备抓拍数据上传及时性
 * 抓拍数据时延监测接口
 * 获取分省厅、区域的map<k,v> k为deptId或者Province_deptId
 * 循环map计算数据上传及时性
 * 更新或新增
 */
@Component
@Slf4j
public class FaceSnapshotDelayCalculation extends IndexCalculationServe implements CalculationStrategy<SnapshotDelayMonitorResult> {
    @Autowired
    private CheckIndexFaceMapper checkIndexFaceMapper;
    @Autowired
    private TMonitorMapper monitorMapper;
    @Autowired
    private ICheckIndexFaceService checkIndexFaceService;

    //区域人脸数据上传延迟指标的内部类
    private static class AreaStats {
        int totalCount = 0;
        int delayCount = 0;
        //0-180s
        int delayCount1 = 0;
        //180-300s
        int delayCount2 = 0;
        //300-600s
        int delayCount3 = 0;
    }

    @Override
    public void calculate(List<SnapshotDelayMonitorResult> list) {
        if (CollectionUtils.isEmpty(list)) {
            log.info("数据为空");
            return;
        }

        //获得国标码为key的设备map
        Map<String, TMonitorVO> monitorMap = monitorMapper.selectListByIds(list.stream().map(SnapshotDelayMonitorResult::getExternalIndexCode).collect(Collectors.toList()))
                .stream().collect(Collectors.toMap(TMonitorVO::getSerialNumber, Function.identity()));
        //获取省厅国标码集合
        List<String> provinceIds = getProvince();

        Map<String, AreaStats> areaStatsMap = new HashMap<>();
        for (SnapshotDelayMonitorResult result : list) {
            TMonitorVO monitor = monitorMap.get(result.getExternalIndexCode());
            if (monitor == null) continue;

            String deptId = monitor.getDeptId().toString();
            updateAreaStats(areaStatsMap, deptId, result);

            // 处理省厅数据
            if (!CollectionUtils.isEmpty(provinceIds) && provinceIds.contains(monitor.getSerialNumber())) {
                String provinceKey = ApiConstants.Province + deptId;
                updateAreaStats(areaStatsMap, provinceKey, result);
            }
        }

        // 查询是否index表已经存在今日数据
        List<CheckIndexFace> checkIndexFaceList = checkIndexFaceMapper.selectToday(DateUtils.getDate());
        List<CheckIndexFace> checkIndexFaces = new ArrayList<>();
        areaStatsMap.forEach((deptId, stats) -> {
            if (stats.totalCount > 0) {
                CheckIndexFace checkIndexFace = createOrUpdateCheckIndexFace(deptId, stats, checkIndexFaceList);
                if (checkIndexFace != null) {
                    checkIndexFaces.add(checkIndexFace);
                }
            }
        });

        checkIndexFaceService.saveOrUpdateBatch(checkIndexFaces);
    }

    /**
     * 累计总数据量、延迟数据量
     */
    private void updateAreaStats(Map<String, AreaStats> areaStatsMap, String key, SnapshotDelayMonitorResult 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.totalCount += result.getDataCount();
        stats.delayCount += result.getDelayCount();
        stats.delayCount1 += result.getDataDelayCount1();
        stats.delayCount2 += result.getDataDelayCount2();
        stats.delayCount3 += result.getDataDelayCount3();
    }

    /**
     * 人脸数据上传及时性
     */
    private CheckIndexFace createOrUpdateCheckIndexFace(String key, AreaStats stats, List<CheckIndexFace> checkIndexFaceList) {
        CheckIndexFace checkIndexFace = getCheckIndex(key, checkIndexFaceList, CheckIndexFace.class);
        if (checkIndexFace == null) {
            return null;
        }
        //调用抓拍上传及时性计算方法
        Map<String, Object> param = new HashMap<>();
        param.put("totalCount", stats.totalCount);
        param.put("delayCount", stats.delayCount);
        param.put("delayCount1", stats.delayCount1);
        param.put("delayCount2", stats.delayCount2);
        param.put("delayCount3", stats.delayCount3);
        BigDecimal index = snapshopDelay(param);
        checkIndexFace.setFaceUploadTimeliness(index);
        return checkIndexFace;
    }
}