package jobs

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

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

func StatisticsShutdown(date string, data []domain.ShutdownRecord, analysisFunc func(sn string, date string) (*primitive.ObjectID, error)) error {
	_, err := time.Parse(time.DateOnly, date)
	if err != nil {
		zap.L().Error("StatisticsShutdown日期参数错误", zap.String("date", date))
		return err
	}

	item, err := statisticsShutdown(date, data, analysisFunc)
	if err != nil {
		repositories.InsertStatisticsShutdown(domain.ShutdownStatisticsItem{
			Date:   date,
			Status: domain.ShutdownStatisticsError,
		})
		return err
	}
	repositories.InsertStatisticsShutdown(*item)
	return nil
}

// 分析统计告警关机站点
// analysisFunc为触发站点分析任务的回调函数
func statisticsShutdown(date string, data []domain.ShutdownRecord, analysisFunc func(sn string, date string) (*primitive.ObjectID, error)) (*domain.ShutdownStatisticsItem, error) {
	siteMap := make(map[string]domain.ShutdownStatisticsInfo)

	var siteCount domain.ShutdownStatisticsArea[uint]
	var country string
	for _, d := range data {
		sn := d.GatewayId
		activeTime := d.ActiveTime
		deviceTime := d.DeviceTime
		shutdownType := d.ShutdownType
		country = d.Country

		// 解析为 time.Time
		timeActive, err := time.Parse(time.DateTime, activeTime)
		if err != nil {
			zap.L().Error("ActiveTime解析错误", zap.String("ActiveTime", activeTime))
			return nil, err
		}
		timeAlarm, err := time.Parse(time.DateTime, deviceTime)
		if err != nil {
			zap.L().Error("DeviceTime解析错误", zap.String("DeviceTime", deviceTime))
			return nil, err
		}

		// 如果告警发生在激活之前，则不统计
		if timeAlarm.Before(timeActive) {
			continue
		}

		info := siteMap[sn]
		if info.SiteAnalysisId == nil {
			siteCount.ALL++
			switch country {
			case "美国":
				siteCount.US++
			case "澳大利亚":
				siteCount.AU++
			}
			// 触发一次站点分析
			var siteAnalysisId *primitive.ObjectID = nil
			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()))
			} else {
				siteAnalysisId = analysisId
			}

			info.SiteAnalysisId = siteAnalysisId
		}
		info.ShutdownTimeList = append(info.ShutdownTimeList, domain.ShutdownTimePointInfo{
			Time: deviceTime,
			Type: shutdownType,
		})
		siteMap[sn] = info
	}

	item := domain.ShutdownStatisticsItem{
		Date:    date,
		Status:  domain.ShutdownStatisticsComplete,
		Count:   siteCount,
		Country: country,
		SiteMap: siteMap,
	}

	return &item, nil
}