package applicationstat

import (
	"context"
	"fmt"
	"go.mongodb.org/mongo-driver/bson"
	"go.mongodb.org/mongo-driver/mongo"
	"go.mongodb.org/mongo-driver/mongo/options"
	"stat/common/log"
	"stat/common/mongos"
	"stat/common/stdLog"
)

func Init(ctx context.Context) {
	// 获取数据库表
	db = mongos.New(mongos.MgoManager, Collapplicationstat)
	// 获取数据库表
	indexes := []mongo.IndexModel{
		{
			Keys: bson.D{
				{Key: "applicationDbId", Value: 1},
				{Key: FN.ApplicationStat.SumData, Value: -1},
			},
			Options: options.Index().SetUnique(true),
		},
		{
			Keys: bson.D{
				{Key: FN.ApplicationStat.Id, Value: 1},
			},
		},
	}
	if _, err := db.CreateIndex(ctx, indexes); err != nil {
		panic(fmt.Sprintf("(applicationstat:initApplicationStatIndex) Create ApplicationStat Index failed! err:%+v:", err))
	}
}

// InsertOneApplicationStat 插入一个应用
func InsertOneApplicationStat(ctx context.Context, applicationStat *ApplicationStat) *stdLog.SrvErr {
	if _, err := db.InsertOne(ctx, applicationStat); err != nil {
		log.Warn("applicationstat:InsertOneApplicationStat db.InsertOne failed", log.E(err))
		return stdLog.New(stdLog.InsertDataError, "", "")
	}
	return nil
}

// DelOneApplicationStat 删除一个应用tag
func DelOneApplicationStat(ctx context.Context, filter bson.M) (
	int64, *stdLog.SrvErr) {
	count, err := db.DeleteOne(ctx, filter)
	if err != nil {
		log.Warn("applicationstat:DelOneApplicationStat db.DeleteOne failed",
			log.E(err), log.Any("filter", filter))
		return 0, stdLog.New(stdLog.DelDataError, "", "")
	}
	return count, nil
}

// FindOneApplicationStat 查找一个应用
func FindOneApplicationStat(ctx context.Context, filter bson.M) (
	*ApplicationStat, *stdLog.SrvErr) {
	var applicationStat ApplicationStat
	if err := db.FindOneEx(
		ctx, &applicationStat, filter); err != nil {
		if err != mongo.ErrNoDocuments {
			log.Info("applicationstat:FindOneApplicationStat db.FindOne failed",
				log.E(err), log.Any("filter", filter))
			return nil, stdLog.New(stdLog.QueryDataError, "", "")
		}
		return nil, stdLog.New(stdLog.DataNotExist, "", "")
	}
	return &applicationStat, nil
}

// CountApplicationStats 统计应用数量
func CountApplicationStats(ctx context.Context, filter bson.M) (
	int64, *stdLog.SrvErr) {
	count, err := db.Count(ctx, filter)
	if err != nil {
		log.Warn("applicationstat:CountApplicationStats db.Count failed",
			log.E(err), log.Any("filter", filter))
		return 0, stdLog.New(stdLog.QueryDataError, "", "")
	}
	return count, nil
}

// UpdateOneApplicationStat 更新一个应用
func UpdateOneApplicationStat(ctx context.Context, filter bson.M, update bson.M) *stdLog.SrvErr {
	result, err := db.UpdateOne(ctx, filter, update)
	if err != nil {
		log.Warn("applicationstat:UpdateOneApplicationStat db.UpdateOne failed",
			log.E(err), log.Any("filter", filter))
		return stdLog.New(stdLog.UpdateDataError, "", "")
	}
	if result.MatchedCount != 1 {
		log.Warn("applicationstat:UpdateOneApplicationStat db.UpdateOne failed",
			log.E(err), log.Any("filter", filter))
		return stdLog.New(stdLog.DataNotExist, "", "")
	}
	return nil
}

// UpdateManyApplicationStat 更新一批应用
func UpdateManyApplicationStat(ctx context.Context, filter bson.M, update bson.M) *stdLog.SrvErr {
	result, err := db.UpdateMMany(ctx, filter, update)
	if err != nil {
		log.Warn("applicationstat:UpdateManyApplicationStat db.UpdateMMany failed",
			log.E(err), log.Any("filter", filter))
		return stdLog.New(stdLog.UpdateDataError, "", "")
	}
	if result.MatchedCount <= 0 {
		log.Warn("applicationstat:UpdateManyApplicationStat db.UpdateMMany failed",
			log.E(err), log.Any("filter", filter))
		//return srvdef.New(srvdef.ErrApplicationNotExsit, "", "")
	}
	return nil
}

// AggregateTopicInfos 聚合查找一批用户信息
func AggregateApplicationStat(ctx context.Context,
	bind interface{}, pipeline []bson.M) *stdLog.SrvErr {
	if err := db.Aggregate(ctx, bind, pipeline); err != nil {
		log.Warn("feedback:AggregateApplicationStat db.Aggregate failed",
			log.E(err), log.Any("pipeline", pipeline))
		return stdLog.New(stdLog.QueryDataError, "", err.Error())
	}
	return nil
}

// FindManyApplicationStat 查找一批应用
func FindManyApplicationStat(ctx context.Context, filter bson.M,
	opts ...*options.FindOptions) (ApplicationStatList, *stdLog.SrvErr) {
	data := make(ApplicationStatList, 0)
	if err := db.Find(ctx, &data, filter, opts...); err != nil {
		log.Warn("applicationstat:FindManyApplicationStat db.Find failed",
			log.E(err), log.Any("filter", filter))
		return nil, stdLog.New(stdLog.QueryDataError, "", "")
	}
	return data, nil
}