package applicationmod

import (
	"context"
	"fmt"
	"stat/common/log"
	"stat/common/mongos"
	"stat/common/stdLog"
	"time"

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

func Init(ctx context.Context) {
	// 获取数据库表
	db = mongos.New(mongos.MgoManager, Collapplication)

	// 初始化索引
	indexes := []mongo.IndexModel{
		{
			Keys: bson.D{{Key: "parentAppId", Value: 1}},
		},
		{
			Keys: bson.D{{Key: "rank", Value: -1}},
		},
		{
			Keys: bson.D{{Key: "locId", Value: -1}},
		},
	}

	if _, err := db.CreateIndex(ctx, indexes); err != nil {
		panic(fmt.Sprintf("Model %s InitIndex error %+v", Collapplication, err))
	}
}

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

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

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

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

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

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

// 根据appId获取配置的app
func FindAppByAppId(ctx context.Context, appId int64) (data []Application, err error) {
	now := time.Now().Local()
	filter := bson.M{"parentAppId": appId, "status": true,
		"startTime": bson.M{"$lt": now}, "endTime": bson.M{"$gte": now}}

	sort := bson.D{{Key: "rank", Value: -1}}

	opts := options.Find().SetSort(sort)

	if err = db.Find(ctx, &data, filter, opts); err != nil {
		log.Error("application FindAdsByAppId Find err", log.E(err))
		return
	}
	return
}

// 增加广告点击量
func IncAppClickCount(ctx context.Context, id int64) (err error) {
	filter := bson.M{"_id": id}

	update := bson.M{"$inc": bson.M{"clickCount": 1}}

	if _, err = db.UpdateOne(ctx, filter, update); err != nil {
		log.Error("advertise IncAdsClickCount UpdateOne err", log.E(err))
		return
	}

	return
}

// GetAllAdvertiseMap 获取ads id map
func GetAllAdvertiseMap(ctx context.Context) (map[primitive.ObjectID]*Application, error) {
	filter := bson.M{}
	dict := make(map[primitive.ObjectID]*Application)
	list := make([]*Application, 0)
	if err := db.Find(ctx, &list, filter); err != nil {
		log.Error("Advertise GetAllAdvertiseMap Find err", log.E(err))
		return dict, err
	}
	for _, ads := range list {
		dict[ads.Id] = ads
	}
	return dict, nil
}

// 根据appId和locId更新位置id
func UpdateLocInfo(ctx context.Context, appId, oldLocId, newLocID int32) (err error) {
	filter := bson.M{"appId": appId, "locId": oldLocId}

	update := bson.M{"$set": bson.M{"locId": newLocID}}

	if _, err = db.UpdateMany(ctx, filter, update); err != nil {
		log.Error("advertise UpdateLocInfo UpdateMany err", log.E(err))
		return
	}
	return
}

// UpdateManyApplication 更新满足条件的应用
func UpdateManyApplication(ctx context.Context, filter bson.M, update bson.M) *stdLog.SrvErr {
	_, err := db.UpdateMany(ctx, filter, update)
	if err != nil {
		log.Warn("application:UpdateManyApplication db.UpdateMany failed",
			log.E(err), log.Any("filter", filter), log.Any("update", update))
		return stdLog.New(stdLog.UpdateDataError, "", "")
	}
	return nil
}