package com.ycl.calculate;

import com.ycl.platform.domain.entity.CheckIndexVideo;
import com.ycl.platform.domain.result.UY.PyOsdResult;
import com.ycl.platform.domain.result.UY.VideoOnlineResult;
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 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.time.Duration;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
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Osd标注信息、时间准确信息
 * 获取分省厅、区域的map<k,v> k为deptId或者Province_deptId
 * 更新或新增
 */
@Component
@Slf4j
public class VideoOsdCalculation extends IndexCalculationServe implements CalculationStrategy<PyOsdResult> {
    @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 osdAccuracySites = 0;
        int timeAccuracySites = 0;

        int importantTotalSites = 0;
        int importantOsdAccuracySites = 0;
        int importantTimeAccuracySites = 0;
    }

    @Override
    public void calculate(List<PyOsdResult> 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(PyOsdResult::getDeviceNo).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 (PyOsdResult result : list) {
            TMonitorVO monitor = monitorMap.get(result.getDeviceNo());
            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osd合格数、时间偏差合格数
     */
    private void updateAreaStats(Map<String, AreaStats> areaStatsMap, String key, PyOsdResult 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++;
        //校验osd
        if (checkOsd(result)) {
            stats.osdAccuracySites++;
        }
        //校验时间偏差
        if (checkTime(result)) {
            stats.timeAccuracySites++;
        }
        //重点点位
        if (important.contains(result.getDeviceNo())) {
            stats.importantTotalSites++;
            if (checkOsd(result)) {
                stats.importantOsdAccuracySites++;
            }
            if (checkTime(result)) {
                stats.importantTimeAccuracySites++;
            }
        }
    }

    private Boolean checkOsd(PyOsdResult result) {
        return ApiConstants.PY_OSD_Correct.equals(result.getOsd1Province()) &&
                ApiConstants.PY_OSD_Correct.equals(result.getOsd1City()) &&
                ApiConstants.PY_OSD_Correct.equals(result.getOsd1Part()) &&
                ApiConstants.PY_OSD_Correct.equals(result.getOsd1LB()) &&
                ApiConstants.PY_OSD_Correct.equals(result.getOsd1OSD()) &&
                ApiConstants.PY_OSD_Correct.equals(result.getOsd1TimeFormat()) &&
                ApiConstants.PY_OSD_Correct.equals(result.getOsd1OsdSet());
    }

    private Boolean checkTime(PyOsdResult result) {
        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
        // 解析时间字符串
        LocalDateTime checkTime = LocalDateTime.parse(result.getCheckTime(), formatter);
        LocalDateTime osdTime = LocalDateTime.parse(result.getSetTime(), formatter);
        // 计算时间差（Duration）
        Duration duration = Duration.between(checkTime, osdTime);
        // 将时间差转换为秒
        long secondsBetween = duration.getSeconds();
        // 判断时间差是否在60秒以内
        return secondsBetween <= 60;
    }

    /**
     * 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osd标注计算方法
        Map<String, Object> param = new HashMap<>();
        param.put("totalSites", stats.totalSites);
        param.put("osdAccuracySites", stats.osdAccuracySites);
        BigDecimal osdAccuracy = osdAccuracy(param);
        checkIndexVideo.setAnnotationAccuracy(osdAccuracy);
        //调用osd标注计算方法 计算重点osd标注
        Map<String, Object> importantParam = new HashMap<>();
        importantParam.put("totalSites", stats.importantTotalSites);
        importantParam.put("osdAccuracySites", stats.importantOsdAccuracySites);
        BigDecimal imOsdAccuracy = osdAccuracy(importantParam);
        checkIndexVideo.setKeyAnnotationAccuracy(imOsdAccuracy);

        //调用osd时间准确率
        Map<String, Object> timeParam = new HashMap<>();
        timeParam.put("totalSites", stats.totalSites);
        timeParam.put("timeAccuracySites", stats.timeAccuracySites);
        BigDecimal osdTimeAccuracy = osdTimeAccuracy(timeParam);
        checkIndexVideo.setTimingAccuracy(osdTimeAccuracy);
        //调用osd时间准确率,计算重点
        Map<String, Object> importantTimeParam = new HashMap<>();
        importantTimeParam.put("totalSites", stats.importantTotalSites);
        importantTimeParam.put("timeAccuracySites", stats.importantTimeAccuracySites);
        BigDecimal imOsdTimeAccuracy = osdTimeAccuracy(importantTimeParam);
        checkIndexVideo.setKeyTimingAccuracy(imOsdTimeAccuracy);
        return checkIndexVideo;
    }
}