package jobs

import (
	"fmt"
	"fwh-toolbox-server/domain"
	"fwh-toolbox-server/repositories"
	"time"

	"go.mongodb.org/mongo-driver/bson/primitive"
	"go.uber.org/zap"
)

func StatisticsAlarm(analysisFunc func(sn string, date string) (*primitive.ObjectID, error)) error {
	alarmStatisticsItem := domain.AlarmStatisticsItem{
		Id:             nil,
		Date:           "",
		Status:         domain.AlarmStatisticsError,
		CodeStatistics: map[string]uint{},
		SiteMap:        map[string]*primitive.ObjectID{},
	}

	err := statisticsAlarm(&alarmStatisticsItem, analysisFunc)
	if err != nil {
		repositories.InsertStatisticsAlarm(alarmStatisticsItem)
		return err
	}
	alarmStatisticsItem.Status = domain.AlarmStatisticsComplete
	repositories.InsertStatisticsAlarm(alarmStatisticsItem)
	return nil
}

func statisticsAlarm(alarmItem *domain.AlarmStatisticsItem, analysisFunc func(sn string, date string) (*primitive.ObjectID, error)) error {
	if alarmItem == nil {
		return fmt.Errorf("AlarmStatisticsItem参数为nil")
	}

	dateStr := time.Now().Format(time.DateTime)
	alarmItem.Date = dateStr

	var codeInfoList []domain.AlarmStatisticsInfo = []domain.AlarmStatisticsInfo{}
	var codeInfoTotal int = 0
	var codeInfoSize int = 0
	var codeInfoPage int = 1

	for {
		// 查询告警码列表
		records, err := repositories.QueryAlarmStatistics(domain.CTRY_ALL, codeInfoPage) // 请求所有告警统计
		if err != nil {
			return err
		}

		if records.Data != nil {
			codeInfoList = append(codeInfoList, records.Data.Records...)
			if codeInfoSize == 0 {
				codeInfoSize = records.Data.PageSize
			}
			if codeInfoTotal == 0 {
				codeInfoTotal = records.Data.PageTotal
			}
		} else {
			zap.L().Warn("告警统计数据为空", zap.String("date", dateStr))
		}

		// 判断数据是否查询完成
		if codeInfoPage*codeInfoSize >= codeInfoTotal {
			break
		}
		codeInfoPage++
	}

	// 收集告警码列表
	var codeList []string = []string{}

	for _, d := range codeInfoList {
		codeList = append(codeList, d.AlarmCode)
		alarmItem.CodeStatistics[d.AlarmCode] = uint(d.AlarmCount)
	}

	// 根据每个code查询站点SN列表
	var siteInfoList []domain.AlarmStatisticsFromCodeInfo = []domain.AlarmStatisticsFromCodeInfo{}
	for _, c := range codeList {
		var siteInfoTotal int = 0
		var siteInfoSize int = 0
		var siteInfoPage int = 1

		for {
			// 查询告警码对应的站点列表
			records, err := repositories.QueryAlarmStatisticsFromCode(domain.CTRY_ALL, c, siteInfoPage) // 请求所有告警统计
			if err != nil {
				return err
			}

			if records.Data != nil {
				siteInfoList = append(siteInfoList, records.Data.Records...)
				if siteInfoSize == 0 {
					siteInfoSize = records.Data.PageSize
				}
				if siteInfoTotal == 0 {
					siteInfoTotal = records.Data.PageTotal
				}
			} else {
				zap.L().Warn("告警统计站点数据为空", zap.String("date", dateStr))
			}

			// 判断数据是否查询完成
			if siteInfoPage*siteInfoSize >= siteInfoTotal {
				break
			}
			siteInfoPage++
		}
	}

	// 提取 SN - Date
	var siteDateMap map[string]string = map[string]string{}
	for _, info := range siteInfoList {
		alarmDate := info.LogTime[:10] // 提取日期部分
		siteDateMap[info.GatewayId] = alarmDate
	}

	// 添加到站点分析队列
	for sn, date := range siteDateMap {
		analysisId, err := analysisFunc(sn, date)
		if err != nil {
			zap.L().Error("自动触发站点分析失败", zap.String("err", err.Error()))
			alarmItem.SiteMap[sn] = nil
			continue
		}
		alarmItem.SiteMap[sn] = analysisId
	}

	return nil
}