package com.ycl.calculate;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.ycl.platform.domain.entity.CheckIndexVideo;
import com.ycl.platform.domain.entity.TMonitor;
import com.ycl.platform.domain.result.HK.SnapshotDelayMonitorResult;
import com.ycl.platform.domain.result.UY.QueryVqdResult;
import com.ycl.platform.mapper.CheckIndexVideoMapper;
import com.ycl.platform.service.ICheckIndexFaceService;
import com.ycl.platform.service.ICheckIndexVideoService;
import com.ycl.platform.service.ITMonitorService;
import constant.ApiConstants;
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;

/**
 * 计算视频设备点位在线率、重点点位在线率
 * 图像监测诊断结果
 * 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
//TODO：重点指挥图像在线率
public class VideoOnlineCalculation extends IndexCalculationServe implements CalculationStrategy<QueryVqdResult> {
    @Autowired
    private CheckIndexVideoMapper checkIndexVideoMapper;
    @Autowired
    private ITMonitorService monitorService;
    @Autowired
    private ICheckIndexVideoService checkIndexVideoService;

    //区域视频在线率的内部类
    private static class AreaStats {
        int totalSites = 0;
        int onlineSites = 0;
        int importantSites = 0;
        int importantOnlineSites = 0;
    }

    @Override
    public void calculate(List<QueryVqdResult> list) {
        if (CollectionUtils.isEmpty(list)) {
            return;
        }

        //获得国标码为key的设备map
        Map<String, TMonitor> monitorMap = monitorService.list(new QueryWrapper<TMonitor>()
                        .in("serial_number", list.stream().map(QueryVqdResult::getDeviceId).collect(Collectors.toList())))
                .stream().collect(Collectors.toMap(TMonitor::getSerialNumber, Function.identity()));
        //获取省厅国标码集合
        List<String> provinceIds = getProvince();
        //重点点位集合
        List<String> important = getImportant();

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

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

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

        // 查询是否index表已经存在今日数据
        List<CheckIndexVideo> checkIndexVideoList = checkIndexVideoMapper.selectToday(DateUtils.getDate());
        List<CheckIndexVideo> checkIndexVideos = new ArrayList<>();
        areaStatsMap.forEach((deptId, stats) -> {
            if (stats.totalSites > 0) {
                CheckIndexVideo CheckIndexVideo = createOrUpdateCheckIndexFace(deptId, stats, checkIndexVideoList);
                if (CheckIndexVideo != null) {
                    checkIndexVideos.add(CheckIndexVideo);
                }
            }
        });

        checkIndexVideoService.saveOrUpdateBatch(checkIndexVideos);
    }

    /**
     * 累计总点位数、在线点位数、重点点位数、重点点位在线数
     */
    private void updateAreaStats(Map<String, AreaStats> areaStatsMap, String key, QueryVqdResult result, List<String> important) {
        //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(important.contains(result.getDeviceId())){
            stats.importantSites++;
        }
        if (ApiConstants.UY_OnlineSite_Online.equals(result.getOnlineStatus())){
            stats.onlineSites++;
            if(important.contains(result.getDeviceId())){
                stats.importantOnlineSites++;
            }
        }
    }

    /**
     * 视频点位在线率
     */
    private CheckIndexVideo createOrUpdateCheckIndexFace(String key, AreaStats stats, List<CheckIndexVideo> checkIndexVideoList) {
        CheckIndexVideo checkIndexVideo = getCheckIndex(key, checkIndexVideoList, CheckIndexVideo.class);
        if (checkIndexVideo == null) {
            return null;
        }
        //调用点位在线率计算方法
        Map<String, Object> param = new HashMap<>();
        param.put("totalSites", stats.totalSites);
        param.put("onlineSites", stats.onlineSites);
        BigDecimal siteOnline = siteOnline(param);
        checkIndexVideo.setSiteOnline(siteOnline);
        //调用点位在线率计算方法 计算重点点位在线率
        Map<String, Object> importantParam = new HashMap<>();
        param.put("totalSites", stats.importantSites);
        param.put("onlineSites", stats.importantOnlineSites);
        BigDecimal importantSiteOnline = siteOnline(importantParam);
        checkIndexVideo.setKeySiteOnline(importantSiteOnline);
        return checkIndexVideo;
    }
}