package srv_applicationstat

import (
	"context"
	"stat/common/stdLog"
	"stat/models/applicationmod"
	"stat/models/applicationstat"

	"go.mongodb.org/mongo-driver/mongo/options"

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

// GetAppStatList	获取应用统计列表
func GetAppStatList(ctx context.Context, param *GetApplicationStatReq) (*GetApplicationStatResp, *stdLog.SrvErr) {
	resp := &GetApplicationStatResp{}
	//先获取app列表
	appFilter := bson.M{}
	statFilter := bson.M{}
	if param.ParentAppId != nil {
		appFilter["parentAppId"] = bson.M{"$in": *param.ParentAppId}
	}
	if param.ApplicationId != nil {
		appFilter["_id"] = *param.ApplicationId
	}
	if param.ApplicationName != nil {
		appFilter["name"] = *param.ApplicationName
	}
	appList, sErr := applicationmod.FindManyApplication(ctx, appFilter)
	if sErr != nil {
		return nil, sErr
	}
	applicationId := make([]primitive.ObjectID, 0)
	for _, info := range appList {
		applicationId = append(applicationId, info.Id)
	}
	statFilter["applicationDbId"] = bson.M{"$in": applicationId}
	if param.Start != nil || param.End != nil {
		statFilter[applicationstat.FN.ApplicationStat.SumData] = bson.M{"$gte": *param.Start, "$lte": *param.End}
	}

	opt := &options.FindOptions{}
	opt.SetSort(bson.M{applicationstat.FN.ApplicationStat.SumData: -1})
	opt.SetLimit(param.PageSize)
	opt.SetSkip((param.PageNum - 1) * param.PageSize)

	totalStats, sErr := applicationstat.FindManyApplicationStat(ctx, statFilter)
	if sErr != nil {
		return nil, sErr
	}

	pageStats, sErr := applicationstat.FindManyApplicationStat(ctx, statFilter, opt)
	if sErr != nil {
		return nil, sErr
	}

	appDict := make(map[primitive.ObjectID]*applicationmod.Application)
	for _, app := range appList {
		appDict[app.Id] = app
	}

	for _, stat := range totalStats {
		resp.Summary.TotalClick += stat.Total
	}

	for _, stat := range pageStats {
		name := ""
		parentAppId := int64(0)
		app := appDict[stat.ApplicationDbId]
		if app != nil {
			name = app.Name
			parentAppId = app.ParentAppId
		}
		hours := make([]int64, 24)
		for hour := range hours {
			hours[hour] = stat.HourData[hour]
		}
		doc := &AppStatInfo{
			Id:              stat.Id,
			ApplicationDbId: stat.ApplicationDbId,
			ParentAppId:     parentAppId,
			AppName:         name,
			SumDate:         stat.SumDate,
			Total:           stat.Total,
			HourData:        hours,
			CreatedAt:       stat.CreatedAt,
			UpdatedAt:       stat.UpdatedAt,
		}
		resp.List = append(resp.List, doc)
	}

	resp.Total = int64(len(totalStats))
	return resp, nil
}

// GetAppStatList	获取应用统计列表
func GetAppTotalStatList(ctx context.Context, param *GetApplicationStatTotalReq) (*GetApplicationStatTotalResp, *stdLog.SrvErr) {
	resp := &GetApplicationStatTotalResp{
		List: make([]*AppStatTotalInfo, 0),
	}

	//先获取app列表
	appFilter := bson.M{}
	if param.ParentAppId != nil {
		appFilter["parentAppId"] = bson.M{"$in": *param.ParentAppId}
	}
	if param.ApplicationId != nil {
		appFilter["_id"] = *param.ApplicationId
	}
	if param.ApplicationName != nil {
		appFilter["name"] = *param.ApplicationName
	}
	appList, sErr := applicationmod.FindManyApplication(ctx, appFilter)

	if sErr != nil {
		return nil, sErr
	}

	applicationId := make([]primitive.ObjectID, 0)
	appid := make(map[primitive.ObjectID]*applicationmod.Application)
	for _, info := range appList {
		applicationId = append(applicationId, info.Id)
		appid[info.Id] = info
	}

	filter := bson.M{}
	filter["applicationDbId"] = bson.M{"$in": applicationId}

	if param.Start != nil && param.End != nil {
		filter[applicationstat.FN.ApplicationStat.SumData] = bson.M{"$gte": *param.Start, "$lte": *param.End}
	}

	pipeline := []bson.M{
		{
			"$match": filter,
		},
		{
			"$group": bson.M{
				"_id":   "$applicationDbId",
				"total": bson.M{"$sum": "$total"},
			},
		},
		{"$sort": bson.D{{Key: "_id", Value: -1}}},
	}

	list := make([]StatTotalInfo, 0)
	serr := applicationstat.AggregateApplicationStat(ctx, &list, pipeline)

	pipeline = []bson.M{
		{
			"$match": filter,
		},
		{
			"$group": bson.M{
				"_id":   "$applicationDbId",
				"total": bson.M{"$sum": "$total"},
			},
		},
		{"$sort": bson.D{{Key: "_id", Value: -1}}},
		{"$skip": (param.PageNum - 1) * param.PageSize},
		{"$limit": param.PageSize},
	}
	info := make([]StatTotalInfo, 0)
	serr = applicationstat.AggregateApplicationStat(ctx, &info, pipeline)
	if serr != nil {
		return nil, serr
	}

	if len(list) > 0 {
		for _, app := range list {
			resp.Summary.TotalClick += app.Total
		}
	}

	if len(info) > 0 {
		for _, app := range info {
			tmp := &AppStatTotalInfo{
				Id:    app.Id,
				Total: app.Total,
			}
			if value, ok := appid[app.Id]; ok {
				tmp.ParentAppId = value.ParentAppId
				tmp.AppName = value.Name
			}
			resp.List = append(resp.List, tmp)
		}
	}
	resp.Total = int64(len(list))
	return resp, nil
}