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.param.UY.RecordMetaDSumParam;
import com.ycl.platform.domain.result.UY.QueryVqdResult;
import com.ycl.platform.domain.result.UY.RecordMetaDSumResult;
import com.ycl.platform.domain.vo.TMonitorVO;
import com.ycl.platform.mapper.CheckIndexVideoMapper;
import com.ycl.platform.mapper.TMonitorMapper;
import com.ycl.platform.service.ICheckIndexVideoService;
import com.ycl.platform.service.ITMonitorService;
import constant.ApiConstants;
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;

/**
 * 计算视频设备录像可用率
 * 录像可用率接口
 * 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 VideoUsabilityCalculation extends IndexCalculationServe implements CalculationStrategy<RecordMetaDSumResult> {
    @Autowired
    private CheckIndexVideoMapper checkIndexVideoMapper;
    @Autowired
    private TMonitorMapper monitorMapper;
    @Autowired
    private ICheckIndexVideoService checkIndexVideoService;

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

    @Override
    public void calculate(List<RecordMetaDSumResult> 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(RecordMetaDSumResult::getDeviceId).collect(Collectors.toList()))
                .stream().collect(Collectors.toMap(TMonitorVO::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 (RecordMetaDSumResult result : list) {
            TMonitorVO 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 = ApiConstants.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 = createOrUpdateCheckIndexVideo(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, RecordMetaDSumResult 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++;
        boolean flag = important.contains(result.getDeviceId());
        if(flag){
            stats.importantSites++;
        }
        if (ApiConstants.UY_RecordStatus_Integrity.equals(result.getRecordStatus())){
            stats.usabilitySites++;
            if(flag){
                stats.importantUsabilitySites++;
            }
        }
    }

    /**
     * 视频点位在线率
     */
    private CheckIndexVideo createOrUpdateCheckIndexVideo(String key, AreaStats stats, List<CheckIndexVideo> checkIndexVideoList) {
        CheckIndexVideo checkIndexVideo = getCheckIndex(key, checkIndexVideoList, CheckIndexVideo.class);
        if (checkIndexVideo == null) {
            return null;
        }
        //调用录像可用计算方法
        Map<String, Object> param = new HashMap<>();
        param.put("totalSites", stats.totalSites);
        param.put("usabilitySites", stats.usabilitySites);
        BigDecimal videoUsability = videoUsability(param);
        checkIndexVideo.setVideoAvailable(videoUsability);
        //调用录像可用率计算方法 计算重点点位录像可用率
        Map<String, Object> importantParam = new HashMap<>();
        importantParam.put("totalSites", stats.importantSites);
        importantParam.put("usabilitySites", stats.importantUsabilitySites);
        BigDecimal importantVideoUsability = videoUsability(importantParam);
        checkIndexVideo.setKeyVideoAvailable(importantVideoUsability);
        return checkIndexVideo;
    }
}