package service

import (
	"fmt"
	"go-admin/app/observe/models"
	"go-admin/app/observe/models/query"
	"go-admin/app/observe/service/dto"
	cDto "go-admin/common/dto"
	"go-admin/common/prometheus"
	cUtils "go-admin/common/utils"
	"go-admin/config"
	"go-admin/utils"
	"math"
	"strings"
	"sync"
	"time"

	adModels "go-admin/app/admin/models"

	log "github.com/go-admin-team/go-admin-core/logger"
	"github.com/pkg/errors"
)

type Biz struct {
	// service.Service
	utils.OtService
}

func (b *Biz) List(req *dto.BizListReq, resp *[]dto.BizListResp, count *int64) error {
	bizIds := []int64{}
	if req.AppAlias != "" && (req.Route != "" || req.ServiceName != "") {
		db := b.Orm.Model(&models.BizNode{}).
			Where("ot_biz_node.app_alias", req.AppAlias)
		if req.Route != "" {
			db.Where("span_kind='SPAN_KIND_SERVER'").Where("span_name like ?", "%"+req.Route)
		}
		if req.ServiceName != "" {
			serviceNames := strings.Split(req.ServiceName, ",")
			db.Where("service_name in ?", serviceNames)
		}
		err := db.Joins("inner join ot_biz_edge be on be.source=ot_biz_node.id or be.target=ot_biz_node.id").
			Pluck("be.biz_id", &bizIds).Error
		if err != nil {
			return errors.Wrap(err, "获取业务id失败")
		}
	}
	list := []models.Biz{}
	db := b.Orm.Model(&models.Biz{}).
		Scopes(cDto.Paginate(req.GetPageSize(), req.GetPageIndex()))
	if len(bizIds) > 0 {
		db.Where("id in ?", bizIds)
	}
	if req.AppAlias != "" {
		db.Where("ot_biz.app_alias", req.AppAlias)
	} else { // 兼容旧逻辑，后期删除
		db.Where("app_id", req.AppId)
	}
	if err := db.
		Order("favor DESC, id ASC").Find(&list).
		Limit(-1).Offset(-1).Count(count).Error; err != nil {
		return errors.Wrap(err, "获取业务列表失败")
	}
	if len(list) == 0 {
		return nil
	}
	svcMap, err := query.NewService().ServiceMap(list[0].AppAlias)
	if err != nil {
		return err
	}
	for _, item := range list {
		r := new(dto.BizListResp)
		r.ID = int64(item.ID)
		r.Name = item.Name
		r.AppId = item.AppID
		r.ServiceName = item.ServiceName
		r.ServiceNameCN = svcMap[item.ServiceName]
		r.SpanName = item.SpanName
		r.Favor = int8(item.Favor)
		*resp = append(*resp, *r)
	}
	return nil
}

func (s *Biz) StatsFromClickhouse(req *dto.BizStatsReq, resp *dto.BizStatsResp) error {
	biz := models.Biz{}
	if err := s.Orm.Model(&models.Biz{}).
		Where("id", req.BizId).
		First(&biz).Error; err != nil {
		return errors.Wrap(err, "获取业务失败")
	}

	req.CheckFilling(time.Minute * 5)
	if err := s.ChOrm.Model(&models.Trace{}).
		Select("ServiceName, count() Total, SUM(IF(StatusCode='STATUS_CODE_ERROR', 1, 0)) as ErrorNum, max(Duration)/1e6 as Max, avg(Duration)/1e6 as Avg").
		Where("AppAlias", biz.AppAlias).
		Where("ServiceName", biz.ServiceName).
		Where("SpanName", biz.SpanName).
		Where("ParentSpanId", "").
		Where("Timestamp>toDateTime(?) and Timestamp<toDateTime(?)", req.StartTime, req.EndTime).
		Group("ServiceName").Find(resp).Error; err != nil {
		return errors.Wrap(err, "获取基础统计信息失败")
	}
	resp.BizId = biz.ID
	resp.BizHash = biz.Hash
	if resp.Total > 0 {
		resp.ErrorRate = float64(resp.ErrorNum) / float64(resp.Total)
	}
	resp.Rpm = math.Round(float64(resp.Total)/float64((req.EndTime-req.StartTime)/60)*100) / 100
	resp.Max = math.Round(resp.Max*100) / 100
	resp.Avg = math.Round(resp.Avg*100) / 100

	timeField := "formatDateTime(toStartOfMinute(Timestamp), '%F %H:%i', 'PRC') as StartTime"
	if req.EndTime-req.StartTime >= 60*60 {
		timeField = "formatDateTime(toStartOfFiveMinutes(Timestamp), '%F %H:%i', 'PRC') as StartTime"
	}
	fields := []string{
		timeField,
		"quantile(0.5)(Duration)/1e6 as P50Duration",
		"quantile(0.90)(Duration)/1e6 as P90Duration",
		"quantile(0.99)(Duration)/1e6 as P99Duration",
	}
	quantiles := []struct {
		StartTime   string
		P50Duration float64
		P90Duration float64
		P99Duration float64
	}{}
	if err := s.ChOrm.Model(&models.Trace{}).Select(fields).
		Where("AppAlias", biz.AppAlias).
		Where("ServiceName", biz.ServiceName).
		Where("SpanName", biz.SpanName).
		Where("ParentSpanId", "").
		Where("Timestamp>toDateTime(?) and Timestamp<toDateTime(?)", req.StartTime, req.EndTime).
		Group(timeField).Order(fmt.Sprintf("%s asc", timeField)).Find(&quantiles).Error; err != nil {
		return errors.Wrap(err, "获取分位数数据失败")
	}
	resp.Quantiles = dto.Quantiles{
		Time: make([]string, len(quantiles)),
		P50:  make([]float64, len(quantiles)),
		P90:  make([]float64, len(quantiles)),
		P99:  make([]float64, len(quantiles)),
	}
	for i, quantile := range quantiles {
		resp.Quantiles.Time[i] = quantile.StartTime
		resp.Quantiles.P50[i] = math.Round(quantile.P50Duration*100) / 100
		resp.Quantiles.P90[i] = math.Round(quantile.P90Duration*100) / 100
		resp.Quantiles.P99[i] = math.Round(quantile.P99Duration*100) / 100
	}
	return nil
}

func (s *Biz) Stats(req *dto.BizStatsReq, resp *dto.BizStatsResp) error {
	biz := models.Biz{}
	if err := s.Orm.Model(&models.Biz{}).
		Where("id", req.BizId).
		First(&biz).Error; err != nil {
		return errors.Wrap(err, "获取业务失败")
	}

	req.BizHash = biz.Hash // 后面bizHash从参数中传

	wg := sync.WaitGroup{}

	req.CheckFilling(time.Minute * 5)
	mins := (req.EndTime - req.StartTime) / 60
	metric := "observe_biz_node_duration_milliseconds"
	labels := map[string]string{"biz_hash": req.BizHash}
	ts := time.Unix(req.EndTime, 0)
	tb := prometheus.NewHistogram(&wg, metric, labels, ts, mins)
	// 计算错误
	errorRate := float64(0)
	wg.Add(1)
	go tb.ErrorRate(&errorRate)

	// 计算分位数
	times := []string{}
	p50s, p90s, p99s := []float64{}, []float64{}, []float64{}
	wg.Add(3)
	go tb.QuantileMinutes(0.5, &[]string{}, &p50s)
	go tb.QuantileMinutes(0.9, &[]string{}, &p90s)
	go tb.QuantileMinutes(0.99, &times, &p99s)

	appAlias := ""
	if err := s.Orm.Model(&adModels.OtApps{}).Where("alias", biz.AppAlias).Pluck("alias", &appAlias).Error; err != nil {
		return errors.Wrap(err, "获取应用别名失败")
	}
	// 计算 max duration, min duration, avg duration, 从clickhouse读取，效率较低，但max min在prometheus不好算，尤其是min，应该是算不出来从prometheus
	// wg.Add(1)
	// st := struct {
	// 	MaxDuration float64
	// 	MinDuration float64
	// 	AvgDuration float64
	// }{}
	// go func() {
	// 	defer wg.Done()
	// 	s.ChOrm.Table(models.TableNameMetricsHistogram).
	// 		Select("avg(Sum/Count) AvgDuration, min(Min) MinDuration , max(Max) MaxDuration").
	// 		Where("MetricName", "observe.biz.duration").
	// 		Where(`Attributes['app.id']=?`, strconv.Itoa(int(biz.ID))).
	// 		Where("TimeUnix>=? AND TimeUnix<?", req.StartTime, req.EndTime).
	// 		Find(&st)
	// }()
	// 获取max duration
	wg.Add(1)
	maxDuration := float64(0)
	// go tb.Quantile(1, &maxDuration)
	gauge := prometheus.NewGauge(&wg, "observe_biz_node_duration_max_milliseconds", labels, ts, mins)
	go gauge.Max(&maxDuration)
	// 获取avg duration
	wg.Add(1)
	avgDuration := float64(0)
	go tb.Avg(&avgDuration)
	// 记录 total
	wg.Add(1)
	total := int64(0)
	go tb.Total(&total)

	wg.Wait()
	resp.BizId = int64(biz.ID)
	resp.BizHash = req.BizHash
	// resp.Total = st.Total
	resp.Total = total
	resp.Rpm = math.Round(float64(resp.Total)/float64((mins))*100) / 100
	if maxDuration > 0 {
		resp.Max = maxDuration
	}
	// resp.Min = st.MinDuration
	resp.Avg = avgDuration
	if math.IsNaN(resp.Avg) {
		resp.Avg = 0
	}
	resp.ErrorRate = errorRate // 错误率的计算公式可能有问题
	resp.ErrorNum = int64(errorRate * float64(resp.Total))
	resp.Quantiles.Time = times
	resp.Quantiles.P50 = p50s
	resp.Quantiles.P90 = p90s
	resp.Quantiles.P99 = p99s

	return nil
}

func (s *Biz) Detail(req *dto.BizDetailReq, resp *[]dto.BizDetailResp, count *int64) error {
	biz := models.Biz{}
	if err := s.Orm.Model(&models.Biz{}).Where("id", req.BizId).First(&biz).Error; err != nil {
		return errors.Wrap(err, "业务ID不存在")
	}
	appAlias := ""
	if err := s.Orm.Model(&adModels.OtApps{}).Where("id", biz.AppID).Pluck("alias", &appAlias).Error; err != nil {
		return errors.Wrap(err, "获取应用别名失败")
	}
	req.CheckFilling(time.Minute * 5)
	startTime, endTime := req.StartTime, req.EndTime
	if endTime-startTime > 1800 {
		startTime = endTime - 1800
	}
	for *count == 0 {
		traceList := []struct {
			Timestamp time.Time
			TraceId   string
			SpanId    string
			Duration  int64
		}{}
		db := s.ChOrm.Debug().Table(models.TableNameTrace).
			Select("Timestamp, TraceId, SpanId, Duration").
			Where("AppAlias", appAlias).
			Where("ServiceName", biz.ServiceName).
			Where("SpanName", biz.SpanName).
			Where("SpanKind", biz.SpanKind).
			Where("ParentSpanId=''").
			Where("Timestamp>=toDateTime(?) AND Timestamp<toDateTime(?)", startTime, endTime)
		if req.MinDuration > 0 {
			db.Where("Duration>?", req.MinDuration*float64(time.Millisecond))
		}
		if req.MaxDuration > 0 {
			db.Where("Duration<?", req.MaxDuration*float64(time.Millisecond))
		}
		if req.OnlyException {
			db.Where("StatusCode", "STATUS_CODE_ERROR")
		}
		db.Count(count)
		if *count == 0 {
			if startTime <= req.StartTime {
				break
			}
			diff := endTime - startTime
			endTime = startTime
			startTime = startTime - diff*2
			if startTime < req.StartTime {
				startTime = req.StartTime
			}
			continue
		}
		if err := db.Order(req.OrderBy([]string{"Duration", "Timestamp"}, "Duration", "DESC")).
			Scopes(cDto.Paginate(req.GetPageSize(), req.GetPageIndex())).
			Find(&traceList).Offset(-1).Limit(-1).Count(count).Error; err != nil {
			return errors.Wrap(err, "获取业务详情失败")
		}
		*resp = make([]dto.BizDetailResp, len(traceList))
		for i, trace := range traceList {
			(*resp)[i] = dto.BizDetailResp{
				Datetime:  trace.Timestamp.Local().Format(time.DateTime),
				Timestamp: trace.Timestamp.Unix(),
				TraceId:   trace.TraceId,
				SpanId:    trace.SpanId,
				SpanName:  biz.SpanName,
				Duration:  int64(math.Round(float64(trace.Duration / 1e6))),
			}
		}

	}
	return nil
}

func (s *Biz) Graph(req *dto.BizGraphReq, resp *[]dto.BizGraphResp) error {
	biz := models.Biz{}
	if err := s.Orm.First(&biz, req.BizId).Error; err != nil {
		return errors.Wrap(err, "获取业务数据失败")
	}
	edges := []models.BizEdge{}
	if err := s.Orm.Model(&models.BizEdge{}).Where("biz_id", req.BizId).Where("app_id", biz.AppID).Find(&edges).Error; err != nil {
		return errors.Wrap(err, "获取边数据失败")
	}
	if len(edges) == 0 {
		return errors.New("边数据不存在")
	}
	nodeIdMap := map[int64]struct{}{}
	for _, edge := range edges {
		if edge.Source > 0 {
			nodeIdMap[edge.Source] = struct{}{}
		}
		nodeIdMap[edge.Target] = struct{}{}
	}
	nodeIds := []int64{}
	for nodeId := range nodeIdMap {
		nodeIds = append(nodeIds, nodeId)
	}
	nodes := []models.BizNode{}
	if err := s.Orm.Model(&models.BizNode{}).Find(&nodes, nodeIds).Error; err != nil {
		return errors.Wrap(err, "获取结点数据失败")
	}
	if len(nodes) == 0 {
		return errors.New("结点数据不存在")
	}
	appAlias := ""
	if err := s.Orm.Model(&models.App{}).Where("id", biz.AppID).Pluck("alias", &appAlias).Error; err != nil {
		return errors.New("app不存在")
	}
	svcNodes := []struct {
		ServiceName string
		Name        string
	}{}
	if err := s.Orm.Model(&models.ServiceNode{}).Where("app_alias", appAlias).Find(&svcNodes).Error; err != nil {
		return errors.Wrap(err, "获取服务列表失败")
	}
	svcMap := map[string]string{}
	for _, node := range svcNodes {
		svcMap[node.ServiceName] = node.Name
	}
	req.CheckFilling(time.Hour)
	nodeMap := map[int64]models.BizNode{} // nodeId => node
	for _, node := range nodes {
		nodeMap[node.ID] = node
	}
	sourceNodeds := map[int64]struct{}{}
	targetNodes := map[int64]struct{}{}
	sourceTargets := map[int64][]int64{} // sourceId => targetIds
	heads := map[int64]struct{}{}        // 头结点id，正常情况下仅有一个
	for _, edge := range edges {
		if edge.Source > 0 {
			sourceNodeds[edge.Source] = struct{}{}
			targetNodes[edge.Target] = struct{}{}
			sourceTargets[edge.Source] = append(sourceTargets[edge.Source], edge.Target)
		} else {
			heads[edge.Target] = struct{}{}
		}
	}
	// 正常情况下, heads已经存在一个, 这里仅当业务决策树不完整时才会向heads中继续添加
	for source := range sourceNodeds {
		if _, ok := targetNodes[source]; !ok {
			heads[source] = struct{}{}
		}
	}
	if len(heads) == 0 { // 未找到头结点, 为了显示数据，往heads中加入第一个node结点的id
		heads[nodes[0].ID] = struct{}{}
	}
	wg := &sync.WaitGroup{}
	var genTree func(root *dto.BizGraphResp)
	genTree = func(root *dto.BizGraphResp) {
		wg.Add(1)
		root.Stats = new(dto.BizGraphStatsResp) // 一定要写在外面, 在方法内new的话,有的地方获取不到
		go s.graphStats(wg, appAlias, req.StartTime, req.EndTime, root)
		// s.graphStats(wg, appAlias, req.StartTime, req.EndTime, root)
		children, ok := sourceTargets[root.ID]
		// fmt.Println("-------", ok, len(children), children, root.BizNode.ID)
		if !ok || len(children) == 0 {
			root.MaxDepth = 1
			return
		}
		maxDepth := int64(0)
		for _, child := range children {
			node := new(dto.BizGraphResp)
			// if node.BizNode, ok = nodeMap[child]; ok {
			if node2, ok := nodeMap[child]; ok {
				node.ID = node2.ID
				node.Name = node2.Name
				node.UniqueID = fmt.Sprintf("%s-%d", root.UniqueID, node2.ID)
				node.Type = node2.Type
				node.BizHash = node2.BizHash
				node.AppAlias = node2.AppAlias
				node.ServiceName = node2.ServiceName
				node.ServiceNameCN = svcMap[node.ServiceName]
				node.SpanName = node2.SpanName
				node.SpanKind = node2.SpanKind
				node.SpanType = node2.SpanType
				node.IsVirtual = node2.IsVirtual
				genTree(node)
				root.Children = append(root.Children, node)
				if node.MaxDepth > maxDepth {
					maxDepth = node.MaxDepth
				}
			}
		}
		root.MaxDepth = 1 + maxDepth
	}
	for head := range heads {
		root := new(dto.BizGraphResp)
		if node, ok := nodeMap[head]; ok {
			// root.BizNode = node
			root.ID = node.ID
			root.Name = node.Name
			root.UniqueID = fmt.Sprintf("%d", node.ID)
			root.Type = node.Type
			root.BizHash = node.BizHash
			root.AppAlias = node.AppAlias
			root.ServiceName = node.ServiceName
			root.ServiceNameCN = svcMap[node.ServiceName]
			root.SpanName = node.SpanName
			root.SpanKind = node.SpanKind
			root.SpanType = node.SpanType
			root.IsVirtual = node.IsVirtual
			genTree(root)
			*resp = append(*resp, *root)
		}
	}
	wg.Wait()
	return nil
}

func (s *Biz) GraphStats(req *dto.BizGraphStatsReq, resp *dto.BizGraphStatsResp) error {
	bizNode := models.BizNode{}
	if err := s.Orm.Model(&models.BizNode{}).Where("id", req.BizNodeId).First(&bizNode).Error; err != nil {
		return errors.Wrap(err, "获取业务结点信息失败")
	}
	appAlias := ""
	if err := s.Orm.Model(&adModels.OtApps{}).Where("id", bizNode.AppID).Pluck("alias", &appAlias).Error; err != nil {
		return errors.Wrap(err, "获取应用别名失败")
	}
	type stats struct {
		Duration    float64
		SuccessRate float64
	}
	st1, st2 := stats{}, stats{}
	errch := make(chan error, 2)
	genStats := func(wg *sync.WaitGroup, ch chan error, startTime, endTime int64, st *stats) {
		defer wg.Done()
		fields := "quantile(0.5)(Duration) AS Duration, SUM(IF(StatusCode!='STATUS_CODE_ERROR', 1, 0))/COUNT() AS SuccessRate"
		if err := s.ChOrm.Table(models.TableNameTrace).
			Select(fields).
			Where("Timestamp>=toDateTime(?) AND Timestamp<toDateTime(?)", startTime, endTime).
			Where("AppAlias", appAlias).
			Where("ServiceName", bizNode.ServiceName).
			Where("SpanName", bizNode.SpanName).
			Where("SpanKind", bizNode.SpanKind).
			Group("ServiceName, SpanName, SpanKind").
			Find(&st).Error; err != nil {
			ch <- errors.Wrap(err, "获取统计数据失败")
			return
		}
	}
	req.CheckFilling(time.Hour)
	wg := &sync.WaitGroup{}
	wg.Add(2)
	diff := req.EndTime - req.StartTime
	go genStats(wg, errch, req.StartTime, req.EndTime, &st1)
	go genStats(wg, errch, req.StartTime-diff, req.EndTime-diff, &st2)
	wg.Wait()
	close(errch)
	if err := <-errch; err != nil {
		return err
	}

	resp.BizNodeId = req.BizNodeId
	resp.Duration = st1.Duration / 1e6
	resp.SuccessRate = st1.SuccessRate
	resp.SuccessRateUp = st1.SuccessRate >= st2.SuccessRate

	return nil
}

func (s *Biz) graphStats(wg *sync.WaitGroup, appAlias string, startTime, endTime int64, root *dto.BizGraphResp) error {
	defer wg.Done()
	type stats struct {
		Duration    float64
		SuccessRate float64
	}
	st1, st2 := stats{}, stats{}
	errch := make(chan error, 2)
	genStats := func(wg *sync.WaitGroup, startTime, endTime int64, st *stats) {
		defer wg.Done()
		fields := "quantile(0.5)(Duration) / 1e6 AS Duration, SUM(IF(StatusCode!='STATUS_CODE_ERROR', 1, 0))/COUNT() AS SuccessRate"
		if err := s.ChOrm.Table(models.TableNameTrace).
			Select(fields).
			Where("Timestamp>=toDateTime(?) AND Timestamp<toDateTime(?)", startTime, endTime).
			Where("AppAlias", appAlias).
			Where("ServiceName", root.ServiceName).
			Where("SpanName", root.SpanName).
			Where("SpanKind", root.SpanKind).
			Group("ServiceName, SpanName, SpanKind").
			Find(&st).Error; err != nil {
			errch <- errors.Wrap(err, "获取统计数据失败")
			return
		}
	}
	wg2 := &sync.WaitGroup{}
	wg2.Add(2)
	diff := endTime - startTime
	go genStats(wg2, startTime, endTime, &st1)
	go genStats(wg2, startTime-diff, endTime-diff, &st2)
	wg2.Wait()
	root.Stats.BizNodeId = root.ID
	root.Stats.Duration = math.Round(st1.Duration*100) / 100
	root.Stats.SuccessRate = st1.SuccessRate
	root.Stats.SuccessRateUp = st1.SuccessRate >= st2.SuccessRate
	return nil
}

func (s *Biz) DigitsFromClickhouse(req *dto.BizDigitsReq, resp *dto.BizDigitsResp) error {
	alias := ""
	s.Orm.Model(&models.App{}).Where("id", req.AppId).Pluck("alias", &alias)
	req.AppAlias = alias // 后期 app alias从参数中传

	req.CheckFilling(time.Hour)

	mins := (req.EndTime - req.StartTime) / 60

	// 计算业务总数和服务总数
	bizTotal, serviceTotal := int64(0), int64(0)
	appAlias := ""
	err := s.Orm.Model(&models.App{}).Where("id", req.AppId).Pluck("alias", &appAlias).Error
	if err != nil {
		return errors.Wrap(err, "未获取到app alias")
	}
	if err := s.Orm.Model(&models.ServiceNode{}).Where("app_alias", appAlias).Count(&serviceTotal).Error; err != nil {
		return errors.Wrap(err, "获取服务总数失败")
	}
	if err := s.Orm.Model(&models.Biz{}).Where("app_alias", appAlias).Count(&bizTotal).Error; err != nil {
		return errors.Wrap(err, "获取业务总数失败")
	}
	resp.Biz = bizTotal
	resp.Service = serviceTotal

	//
	row := struct {
		Total       int64
		ErrorNum    int64
		DatabaseNum int64
	}{}
	if err := s.ChOrm.Model(&models.Trace{}).
		Select("count() Total, SUM(IF(StatusCode='STATUS_CODE_ERROR', 1, 0)) as ErrorNum, SUM(IF(SpanAttributes['db.system'] != '', 1, 0)) as DatabaseNum").
		Where("AppAlias", alias).
		Where("Timestamp>toDateTime(?) and Timestamp<toDateTime(?)", req.StartTime, req.EndTime).
		Find(&row).Error; err != nil {
		return errors.Wrap(err, "获取基础统计信息失败")
	}
	resp.DatabaseBiz = row.DatabaseNum
	resp.DatabaseBizPerMinute = math.Round(float64(row.DatabaseNum)/float64(mins)*100) / 100
	resp.Error = row.ErrorNum
	if row.Total > 0 {
		resp.ErrorRate = float64(row.ErrorNum) / float64(row.Total)
	}
	resp.ErrorPerMinute = math.Round(float64(row.ErrorNum)/float64(mins)*100) / 100
	resp.Trace = float64(row.Total)
	resp.TracePerMinute = math.Round(float64(row.Total)/float64(mins)*100) / 100

	return nil
}

func (s *Biz) Digits(req *dto.BizDigitsReq, resp *dto.BizDigitsResp) error {
	alias := ""
	s.Orm.Model(&models.App{}).Where("id", req.AppId).Pluck("alias", &alias)
	req.AppAlias = alias // 后期 app alias从参数中传

	req.CheckFilling(time.Hour)

	mins := (req.EndTime - req.StartTime) / 60
	metric := "observe_biz_node_duration_milliseconds"
	labels := map[string]string{"app_alias": req.AppAlias}
	ts := time.Unix(req.EndTime, 0)
	wg := sync.WaitGroup{}
	tb := prometheus.NewHistogram(&wg, metric, labels, ts, mins)

	// 计算错误率和trace总数
	total, errRate := int64(0), float64(0)
	wg.Add(2)
	go tb.Total(&total)
	go tb.ErrorRate(&errRate)

	// 计算业务总数和服务总数
	bizTotal, serviceTotal := int64(0), int64(0)
	appAlias := ""
	err := s.Orm.Model(&models.App{}).Where("id", req.AppId).Pluck("alias", &appAlias).Error
	if err != nil {
		return errors.Wrap(err, "未获取到app alias")
	}
	if err := s.Orm.Model(&models.ServiceNode{}).Where("app_alias", appAlias).Count(&serviceTotal).Error; err != nil {
		return errors.Wrap(err, "获取服务总数失败")
	}
	if err := s.Orm.Model(&models.Biz{}).Where("app_alias", appAlias).Count(&bizTotal).Error; err != nil {
		return errors.Wrap(err, "获取业务总数失败")
	}

	// 计算 db 相关的业务结点
	wg.Add(1)
	labels["database"] = "true"
	tb2 := prometheus.NewHistogram(&wg, metric, labels, ts, mins)
	dbTotal := int64(0)
	tb2.Total(&dbTotal)

	// todo log

	wg.Wait()
	resp.Biz = bizTotal
	resp.Service = serviceTotal
	resp.ErrorRate = math.Round(errRate*1e5) / 1e5
	resp.Error = int64(errRate * float64(total))
	resp.ErrorPerMinute = math.Round(errRate*float64(total)/float64(mins)*100) / 100
	resp.Trace = float64(total)
	resp.TracePerMinute = math.Round(float64(total)/float64(mins)*100) / 100
	resp.DatabaseBiz = dbTotal
	resp.DatabaseBizPerMinute = math.Round(float64(dbTotal)/float64(mins)*100) / 100
	return nil
}

// 标记
func (s *Biz) Mark(req *dto.BizMarkReq) error {
	if req.Id <= 0 {
		return errors.New("参数id非法")
	}
	//err := s.Orm.Model(&models.Biz{}).Where("id", req.Id).Update("name", req.Name).Error
	err := s.Orm.Table("ot_biz").Where("id", req.Id).Update("name", req.Name).Error
	if err != nil {
		return errors.Wrap(err, "标记失败")
	}
	return nil
}

// 收藏
func (s *Biz) Favor(req *dto.BizFavorReq) error {
	if req.Id <= 0 {
		return errors.New("参数id非法")
	}
	if req.Favor != 0 && req.Favor != 1 {
		return errors.New("参数favor非法")
	}
	err := s.Orm.Model(&models.Biz{}).Where("id", req.Id).Update("favor", req.Favor).Error
	if err != nil {
		msg := "收藏失败"
		if req.Favor == 0 {
			msg = "取消收藏失败"
		}
		return errors.Wrap(err, msg)
	}
	return nil
}

// 删除
func (s *Biz) Delete(req *dto.BizDeleteReq) error {
	if req.Id <= 0 {
		return errors.New("参数id非法")
	}
	err := s.Orm.Delete(&models.Biz{}, req.Id).Error
	if err != nil {
		return errors.Wrap(err, "删除失败")
	}
	return nil
}

func (s *Biz) StatisticBasicGuy(req *dto.BizBasicGuy, resp *map[string]any) error {
	var countBiz int64
	var countService int64
	var countInterface int64
	if err := s.Orm.Table("ot_biz").Where("app_alias", req.AppAlias).Count(&countBiz).Error; err != nil {
		return errors.Wrap(err, "统计业务数错误")
	}
	if err := s.Orm.Table("ot_service_nodes").Where("app_alias", req.AppAlias).Count(&countService).Error; err != nil {
		return errors.Wrap(err, "统计服务总数错误")
	}
	if err := s.Orm.Table("ot_url_mapping").Where("app_alias", req.AppAlias).Where("type", 2).Count(&countInterface).Error; err != nil {
		return errors.Wrap(err, "统计对外接口总数错误")
	}
	(*resp)["biz"] = countBiz
	(*resp)["svrs"] = countService
	(*resp)["interface"] = countInterface
	return nil
}

type bizItem struct {
	AppAlias    string
	ServiceName string
	SpanName    string
	SpanKind    string
}

func (s *Biz) GenGraph() error {
	// total := int64(0)
	groups := "AppAlias, ServiceName, SpanName"
	fields := fmt.Sprintf("%s, COUNT() Total", groups)
	// if err := s.ChOrm.Table(models.TableNameTrace).Select(fields).
	// 	Where("Timestamp>=now()-interval 2 hour AND Timestamp<=now()-interval 1 hour"). // 保证trace完整
	// 	Group(groups).Having("Total>1").Count(&total).Error; err != nil {
	// 	return errors.Wrap(err, "获取业务总数失败")
	// }
	pageIndex, pageSize := 1, 100
	// pageTotal := int(math.Ceil(float64(total) / float64(pageSize)))
	for i := pageIndex; ; i++ {
		list := []bizItem{}
		if err := s.ChOrm.Table(models.TableNameTrace).
			Select(fields).
			Scopes(cDto.Paginate(pageSize, i)).
			Where("Timestamp>now()-interval 1 hour").
			Where("ParentSpanId=''").
			Group(groups).Having("Total>1").
			Find(&list).Error; err != nil {
			log.Errorf("获取业务列表失败: %s", err.Error())
			continue
		}
		if len(list) == 0 {
			break
		}
		newBizs := []models.Biz{}
		for _, item := range list {
			appId, err := query.NewApp().Alias2ID(item.AppAlias)
			if err != nil {
				log.Errorf("获取app id失败: %s", err.Error())
				continue
			}
			hash := cUtils.SimpleHash(item.AppAlias, item.ServiceName, item.SpanName)
			if bizId, err := query.NewBiz().BizHash2ID(hash); err != nil {
				log.Errorf("biz id获取失败: %s", err.Error())
			} else if bizId == 0 {
				newBizs = append(newBizs, models.Biz{
					Name:          item.SpanName,
					Hash:          hash,
					AppID:         appId,
					AppAlias:      item.AppAlias,
					ServiceName:   item.ServiceName,
					SpanName:      item.SpanName,
					IsAutoCreated: 1,
				})
			}
			// if _, err := query.NewBiz().CheckAddBiz(appId, item.ServiceName, item.SpanName); err != nil {
			// 	log.Errorf("check add biz失败: %s", err.Error())
			// 	continue
			// }
			// go s.genGraphNode(bizId, appId, item.AppAlias, item.ServiceName, item.SpanName)
		}
		if len(newBizs) == 0 {
			continue
		}
		if err := s.Orm.Model(&models.Biz{}).Create(&newBizs).Error; err != nil {
			log.Errorf("biz create失败: %s", err.Error())
		}
	}
	return nil
}

// // 时间 限制
// func (s *Biz) genGraphNode(bizId, appId int64, appAlias, serviceName, spanName string) {
// 	traceIds := []string{}
// 	if err := s.ChOrm.Table(models.TableNameTrace).Select("DISTINCT TraceId").
// 		Where("AppAlias=? AND ServiceName=? AND SpanName=? AND TraceId=''", appAlias, serviceName, spanName).
// 		Limit(10).
// 		Pluck("TraceId", &traceIds).Error; err != nil {
// 		return
// 	}
// 	fields := "SpanId, ParentSpanId, AppAlias, ServiceName, SpanName, SpanKind"
// 	for _, traceId := range traceIds {
// 		list := []bizItem{}
// 		if err := s.ChOrm.Table(models.TableNameTrace).
// 			Select(fields).Where("TraceId", traceId).
// 			Find(&list).Error; err != nil {
// 			log.Errorf("获取业务结点失败: %s", err)
// 			continue
// 		}
// 		for _, item := range list {
// 			bizNode := models.BizNode{
// 				Name:       item.SpanName,
// 				Type:       0, // todo
// 				ExternalId: 0, // todo
// 				BizId:      bizId,
// 				AppId:      appId,
// 				// appAlias:   appAlias,
// 				ServiceName: serviceName,
// 				SpanName:    spanName,
// 				SpanKind:    item.SpanKind,
// 				IsVirtual:   0,
// 			}
// 			query.NewBizNode().CheckAddBizNode(&bizNode)
// 		}
// 	}
// }

func (s *Biz) nodeInfo(id int64, hash string, node *models.BizNode) error {
	if id == 0 && hash == "" {
		return errors.New("无效参数")
	}
	db := s.Orm.Model(&models.BizNode{})
	if hash != "" {
		db.Where("hash", hash)
	} else {
		db.Where("id", id)
	}
	if err := db.Find(node).Error; err != nil {
		return errors.Wrap(err, "")
	}
	return nil
}

func (s *Biz) NodeSpans(req *dto.BizNodeSpansReq, resp *[]dto.ServiceSpansResp, count *int64) error {
	node := models.BizNode{}
	if err := s.nodeInfo(req.ID, req.Hash, &node); err != nil {
		return err
	}
	req.CheckFilling(time.Hour)
	req2 := dto.ServiceSpansReq{
		AppAlias:    node.AppAlias,
		ServiceName: []string{node.ServiceName},
		SpanName:    node.SpanName,
		SpanKind:    node.SpanKind,
		TimeRange:   req.TimeRange,
		Pagination:  req.Pagination,
		SortInfo:    req.SortInfo,
	}
	svc := Service{s.OtService}
	return svc.Spans(&req2, resp, count)
}

func (s *Biz) NodeStatsFromClickhouse(req *dto.BizNodeStatsReq, resp *dto.BizNodeStatsResp) error {
	node := models.BizNode{}
	if err := s.nodeInfo(req.ID, req.Hash, &node); err != nil {
		return err
	}
	resp.ID = node.ID
	resp.Hash = node.Hash
	req.CheckFilling(time.Hour)

	if err := s.ChOrm.Model(&models.Trace{}).
		Select(`count() Total, SUM(IF(StatusCode='STATUS_CODE_ERROR', 1, 0))/count() as ErrorRate, 
			quantile(0.5)(Duration)/1e6 as P50, quantile(0.9)(Duration)/1e6 as P90, quantile(0.99)(Duration)/1e6 as P99`).
		Where("AppAlias", node.AppAlias).
		Where("ServiceName", node.ServiceName).
		Where("SpanKind", node.SpanKind).
		Where("SpanName", node.SpanName).
		Where("Timestamp>toDateTime(?) and Timestamp<toDateTime(?)", req.StartTime, req.EndTime).
		Find(resp).Error; err != nil {
		return errors.Wrap(err, "获取基础统计信息失败")
	}
	resp.ID = int64(node.ID)
	resp.ServiceName = node.ServiceName
	if node.ExternalID > 0 {
		urlmapping := models.UrlMapping{}
		if err := s.Orm.Model(&models.UrlMapping{}).Where("id", node.ExternalID).Find(&urlmapping).Error; err != nil {
			return errors.Wrap(err, "获取接口解析信息失败")
		}
		resp.Name = urlmapping.Name
		resp.Value = urlmapping.Url
		resp.HttpMethod = urlmapping.Method
	}

	timeField := "formatDateTime(toStartOfMinute(Timestamp), '%F %H:%i', 'PRC') as StartTime"
	if req.EndTime-req.StartTime >= 60*60 {
		timeField = "formatDateTime(toStartOfFiveMinutes(Timestamp), '%F %H:%i', 'PRC') as StartTime"
	}
	fields := []string{
		timeField,
		"quantile(0.5)(Duration)/1e6 as P50Duration",
		"quantile(0.90)(Duration)/1e6 as P90Duration",
		"quantile(0.99)(Duration)/1e6 as P99Duration",
	}
	quantiles := []struct {
		StartTime   string
		P50Duration float64
		P90Duration float64
		P99Duration float64
	}{}
	if err := s.ChOrm.Model(&models.Trace{}).Select(fields).
		Where("AppAlias", node.AppAlias).
		Where("ServiceName", node.ServiceName).
		Where("SpanKind", node.SpanKind).
		Where("SpanName", node.SpanName).
		Where("Timestamp>toDateTime(?) and Timestamp<toDateTime(?)", req.StartTime, req.EndTime).
		Group(timeField).Order(fmt.Sprintf("%s asc", timeField)).Find(&quantiles).Error; err != nil {
		return errors.Wrap(err, "获取分位数数据失败")
	}
	resp.DurationStats = dto.DurationStats{
		Time: make([]string, len(quantiles)),
		P50:  make([]float64, len(quantiles)),
		P90:  make([]float64, len(quantiles)),
		P99:  make([]float64, len(quantiles)),
	}
	for i, quantile := range quantiles {
		resp.DurationStats.Time[i] = quantile.StartTime
		resp.DurationStats.P50[i] = math.Round(quantile.P50Duration*100) / 100
		resp.DurationStats.P90[i] = math.Round(quantile.P90Duration*100) / 100
		resp.DurationStats.P99[i] = math.Round(quantile.P99Duration*100) / 100
	}
	return nil
}

func (s *Biz) NodeStats(req *dto.BizNodeStatsReq, resp *dto.BizNodeStatsResp) error {
	node := models.BizNode{}
	if err := s.nodeInfo(req.ID, req.Hash, &node); err != nil {
		return err
	}
	resp.ID = node.ID
	resp.Hash = node.Hash
	req.CheckFilling(time.Hour)
	wg := sync.WaitGroup{}
	mins := (req.EndTime - req.StartTime) / 60
	metric := "observe_biz_node_duration_milliseconds"
	labels := map[string]string{"biz_node_hash": node.Hash}
	ts := time.Unix(req.EndTime, 0)
	hist := prometheus.NewHistogram(&wg, metric, labels, ts, mins)
	wg.Add(5)
	go hist.Quantile(0.5, &resp.P50)
	go hist.Quantile(0.9, &resp.P90)
	go hist.Quantile(0.99, &resp.P99)
	go hist.ErrorRate(&resp.ErrorRate)
	go hist.Total(&resp.Total)
	times := []string{}
	p50s, p90s, p99s := []float64{}, []float64{}, []float64{}
	wg.Add(3)
	go hist.QuantileMinutes(0.5, &[]string{}, &p50s)
	go hist.QuantileMinutes(0.9, &[]string{}, &p90s)
	go hist.QuantileMinutes(0.99, &times, &p99s)
	wg.Wait()
	resp.ServiceName = node.ServiceName
	resp.DurationStats = dto.DurationStats{
		Time: times,
		P50:  p50s,
		P90:  p90s,
		P99:  p99s,
	}
	if node.ExternalID > 0 {
		urlmapping := models.UrlMapping{}
		if err := s.Orm.Model(&models.UrlMapping{}).Where("id", node.ExternalID).Find(&urlmapping).Error; err != nil {
			return errors.Wrap(err, "获取接口解析信息失败")
		}
		resp.Name = urlmapping.Name
		resp.Value = urlmapping.Url
		resp.HttpMethod = urlmapping.Method
	}
	return nil
}

func (s *Biz) NodeUpdate(req *dto.BizNodeUpdateReq) error {
	db := s.Orm.Model(&models.BizNode{})
	if req.ID > 0 {
		db.Where("id", req.ID)
	} else if req.Hash != "" {
		db.Where("hash", req.Hash)
	} else {
		return errors.New("参数非法")
	}
	if err := db.Update("name", req.Name).Error; err != nil {
		return errors.Wrap(err, "更新失败")
	}
	return nil
}

func (s *Biz) SlowTop(req *dto.BizSlowTopReq, resp *[]dto.BizSlowTopResp) error {
	req.CheckFilling(time.Hour)
	if req.EndTime-req.StartTime > 3600 {
		req.StartTime = req.EndTime - 3600
	}
	respTemp := []dto.BizSlowTopResp{}
	if err := s.ChOrm.Table(models.TableNameTrace).
		Select("AppAlias, ServiceName, SpanName, SpanKind, avg(Duration)/1e6 Duration, SUM(if(StatusCode='STATUS_CODE_ERROR', 1, 0))/count() ErrorRate").
		Where("Timestamp>=toDateTime(?) AND Timestamp<toDateTime(?)", req.StartTime, req.EndTime).
		Where("AppAlias", req.AppAlias).
		Where("ParentSpanId=''").
		Group("AppAlias, ServiceName, SpanName, SpanKind").
		Order("Duration desc").
		Limit(int(req.Limit)).
		Find(&respTemp).Error; err != nil {
		return errors.Wrap(err, "查询基础业务数据失败")
	}
	svcMap, err := query.NewService().ServiceMap(req.AppAlias)
	if err != nil {
		return err
	}
	mins := (req.EndTime - req.StartTime) / 60
	metric := "observe_biz_node_duration_milliseconds"
	ts := time.Unix(req.EndTime, 0)
	wg := sync.WaitGroup{}
	for i, trace := range respTemp {
		wg.Add(1)
		go func(t dto.BizSlowTopResp, i int) {
			defer wg.Done()
			biz := models.Biz{}
			s.Orm.Model(&models.Biz{}).
				Where("app_alias", t.AppAlias).
				Where("service_name", t.ServiceName).
				Where("span_name", t.SpanName).
				Find(&biz)
			respTemp[i].BizId = biz.ID
			respTemp[i].BizName = biz.Name
			respTemp[i].BizHash = biz.Hash
			respTemp[i].Duration = math.Round(respTemp[i].Duration*100) / 100

			// 使用sql查询出来的ErrorRate, 但sql查询出来的应该不准确， 只是当前节点的错误率，而不包括下游节点错误率
			if !config.ExtConfig.ClickhouseMetrics {
				labels := map[string]string{"biz_hash": biz.Hash}
				wg2 := sync.WaitGroup{}
				tb := prometheus.NewHistogram(&wg2, metric, labels, ts, mins)
				wg2.Add(1)
				go tb.ErrorRate(&respTemp[i].ErrorRate)
				wg2.Wait()
			}

		}(trace, i)
	}

	wg.Wait()
	for _, trace := range respTemp {
		if trace.BizId > 0 {
			trace.ServiceNameCN = svcMap[trace.ServiceName]
			(*resp) = append((*resp), trace)
		}
	}
	return nil
}