package advertiseMod

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

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

func Init() {
	// 获取数据库表
	db = mongos.New(mongos.MgoManager, CollAdvertise)

	// 初始化索引
	indexes := []mongo.IndexModel{
		{
			Keys: bson.D{{Key: "appId", Value: 1}},
		},
		{
			Keys: bson.D{{Key: "appId", Value: 1}, {Key: "isActive", Value: 1}, {Key: "startTime", Value: 1}, {Key: "endTime", Value: 1}},
		},
	}

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

// 新增广告
func AddAdvertise(ctx context.Context, doc *Advertise) (err error) {
	if _, err = db.InsertOne(ctx, doc); err != nil {
		log.Error("advertise AddAdvertise InsertOne err", log.E(err))
		return
	}
	return
}

// 修改广告
func UpdateAdvertise(ctx context.Context, id int64, doc UpdateAds) (err error) {
	filter := bson.M{"_id": id}

	update, _ := utils.ToBsonM(doc)

	if _, err = db.UpdateOne(ctx, filter, bson.M{"$set": update}); err != nil {
		log.Error("advertise UpdateAdvertise UpdateOne err", log.E(err))
		return
	}

	return
}

// 删除广告
func DelAdvertise(ctx context.Context, id int64) (err error) {
	filter := bson.M{"_id": id}

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

	return
}

func FindAdvertiseList(ctx context.Context, appId *int32, isActive *bool, locId *int32, skip, limit int64,
	link, title, daoLiangTitle *string) (count int64, data []Advertise, err error) {
	filter := bson.M{}
	if appId != nil {
		filter["appId"] = appId
	}
	if isActive != nil {
		filter["isActive"] = isActive
	}
	if locId != nil {
		filter["locId"] = *locId
	}
	if link != nil {
		filter["links"] = bson.M{"$elemMatch": bson.M{"link": *link}}
	}
	if title != nil {
		filter["title"] = bson.M{"$regex": *title}
	}
	if daoLiangTitle != nil {
		filter["daoLiangTitle"] = bson.M{"$regex": *daoLiangTitle}
	}
	sort := bson.D{{Key: "sort", Value: 1}}

	opts := options.Find().SetSort(sort).SetSkip(skip).SetLimit(limit)

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

	if count, err = db.Count(ctx, filter); err != nil {
		log.Error("advertise FindAdvertiseList Count err", log.E(err))
		return
	}

	return
}

// 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
}

// 根据app和位置获取广告
func FindAdsByAppAndLocation(ctx context.Context, appId int32, locId *int32) (data []Advertise, err error) {
	now := time.Now()
	filter := bson.M{"appId": appId, "isActive": true, "startTime": bson.M{"$lt": now}, "endTime": bson.M{"$gte": now}}
	if locId != nil {
		filter["locId"] = locId
	}

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

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

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

// 根据app和位置获取广告
func FindAdsById(ctx context.Context, id int64) (data Advertise, err error) {
	filter := bson.M{"_id": id}

	if err = db.FindOne(ctx, &data, filter); err != nil {
		log.Error("advertise FindAdsById FindOne err", log.E(err))
		return
	}

	return
}

// FindLatestAdsByAppAndLoc 取该应用/位置当前生效的最新一条广告(用于点击回退到最新广告)
// locId <= 0 表示不按位置过滤,只在应用维度取最新
func FindLatestAdsByAppAndLoc(ctx context.Context, appId, locId int32) (data Advertise, err error) {
	now := time.Now()
	filter := bson.M{
		"appId":     appId,
		"isActive":  true,
		"startTime": bson.M{"$lte": now},
		"endTime":   bson.M{"$gte": now},
	}
	if locId > 0 {
		filter["locId"] = locId
	}
	opts := options.FindOne().SetSort(bson.D{
		{Key: "sort", Value: 1},
		{Key: "createAt", Value: -1},
	})
	if err = db.FindOne(ctx, &data, filter, opts); err != nil {
		log.Error("advertise FindLatestAdsByAppAndLoc FindOne err", log.E(err))
		return
	}
	return
}

// 增加广告点击量
func IncAdsClickCount(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
}

// FindAds 根据app和位置获取广告
func FindAds(ctx context.Context) (data []Advertise, err error) {
	filter := bson.M{}

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

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

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

// FindOneAdvertise 查找一个应用
func FindOneAdvertise(ctx context.Context, filter bson.M) (
	*Advertise, error) {
	var advertise Advertise
	if err := db.FindOneEx(ctx, &advertise, filter); err != nil {
		return nil, err
	}
	return &advertise, nil
}

// GetAllAdvertiseMap 获取ads id map
func GetAllAdvertiseMap(ctx context.Context, filter bson.M) (map[int64]*Advertise, error) {
	dict := make(map[int64]*Advertise)
	list := make([]*Advertise, 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
}

// FindAds 根据app和位置获取广告
func FindAdvertiselist(ctx context.Context, filter bson.M, opts ...*options.FindOptions) (data []Advertise, serr *stdLog.SrvErr) {

	if err := db.Find(ctx, &data, filter, opts...); err != nil {
		if err != mongo.ErrNoDocuments {
			log.Error("advertise FindAdvertiselist err", log.E(err))
			return nil, stdLog.New(stdLog.DataEmpty, "", err.Error())
		}

		log.Error("advertise FindAdvertiselist Find err", log.E(err))
		return nil, stdLog.New(stdLog.QueryDataError, "", err.Error())
	}

	return
}