package advitiseClickStatMod

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

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

func Init(ctx context.Context) {
	db = mongos.New(mongos.MgoManager, TN.AdvitiseClickStat)
	indexes := []mongo.IndexModel{
		{
			Keys: bson.D{
				{Key: FN.AdvitiseClickStat.AppId, Value: 1},
				{Key: FN.AdvitiseClickStat.AdvitiseId, Value: 1},
				{Key: FN.AdvitiseClickStat.LocationId, Value: 1},
				{Key: FN.AdvitiseClickStat.StatDate, Value: -1},
			},
		},
		{Keys: bson.D{
			{Key: FN.AdvitiseClickStat.AdvitiseId, Value: 1},
			{Key: FN.AdvitiseClickStat.StatDate, Value: -1},
		}},
		{Keys: bson.D{
			{Key: FN.AdvitiseClickStat.StatDate, Value: -1},
		}},
	}
	if _, err := db.CreateIndex(ctx, indexes); err != nil {
		panic(fmt.Sprintf("(advitiseClickStatMod:Init) CreateIndex failed: %+v", err))
	}
}

// InsertOrUpdate 按 (appId, advitiseId, locationId, statDate) upsert +1
// 对齐 media/biadsclickmod.InsertOrUpdateBIAdsClickModel
func InsertOrUpdate(ctx context.Context, appId int32, advitiseId int64, locationId int32, statDate time.Time) error {
	filter := bson.M{
		FN.AdvitiseClickStat.AppId:      appId,
		FN.AdvitiseClickStat.AdvitiseId: advitiseId,
		FN.AdvitiseClickStat.LocationId: locationId,
		FN.AdvitiseClickStat.StatDate:   statDate,
	}
	update := bson.M{
		"$inc": bson.M{FN.AdvitiseClickStat.Clicks: 1},
		"$setOnInsert": bson.M{
			FN.AdvitiseClickStat.CreatedAt: time.Now(),
		},
	}
	if _, err := db.UpsertOneEx(ctx, filter, update); err != nil {
		log.Warn("advitiseClickStatMod InsertOrUpdate upsert failed",
			log.E(err), log.Any("filter", filter))
		return err
	}
	return nil
}

func FindMany(ctx context.Context, filter bson.M, opts ...*options.FindOptions) (AdvitiseClickStatList, error) {
	list := make(AdvitiseClickStatList, 0)
	if err := db.Find(ctx, &list, filter, opts...); err != nil {
		log.Warn("advitiseClickStatMod Find failed", log.E(err), log.Any("filter", filter))
		return nil, err
	}
	return list, nil
}

func Count(ctx context.Context, filter bson.M) (int64, error) {
	c, err := db.Count(ctx, filter)
	if err != nil {
		log.Warn("advitiseClickStatMod Count failed", log.E(err), log.Any("filter", filter))
		return 0, err
	}
	return c, nil
}

// Aggregate 通用聚合(留给上层写 pipeline)
func Aggregate(ctx context.Context, bind interface{}, pipeline []bson.M) error {
	return db.Aggregate(ctx, bind, pipeline)
}

// GetAppClicks 按 appId + statDate 汇总点击(对齐 media/biadsclickmod.GetAppClicks)
func GetAppClicks(ctx context.Context, appId int32, statDate time.Time) (int64, error) {
	list, err := FindMany(ctx, bson.M{
		FN.AdvitiseClickStat.AppId:    appId,
		FN.AdvitiseClickStat.StatDate: statDate,
	})
	if err != nil {
		return 0, err
	}
	total := int64(0)
	for _, i := range list {
		total += i.Clicks
	}
	return total, nil
}