package fsuidmod

import (
	"fmt"
	"time"

	"91porn-server/common/db"
	"91porn-server/common/log"
	"91porn-server/models"

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

var mdb *db.MongoDB

const table = models.Fsid2UID

func coll(t *db.MongoTool) *db.MongoTool {
	if t == nil {
		return mdb.Coll(table)
	}
	return t.Coll(table)
}

// initIndex 初始化索引
func initIndex() {
	many := []mongo.IndexModel{
		{
			Keys:    bson.D{{Key: "fsid", Value: 1}, {Key: "uid", Value: 1}},
			Options: options.Index().SetUnique(true),
		},
		{
			Keys: bson.D{{Key: "createdAt", Value: -1}},
		},
	}
	if _, err := coll(nil).CreateIndex(many); err != nil {
		panic(fmt.Sprintf("%s model set index err ==>[%+v]", table, err))
	}
}

// InsertFsid2UID 插入一条映射关系
func InsertFsid2UID(fsid string, uid uint64) error {
	record := Fs2UID{
		Fsid:      fsid,
		UID:       uid,
		CreatedAt: time.Now(),
	}
	if _, err := coll(nil).InsertOne(&record); err != nil {
		if mongo.IsDuplicateKeyError(err) {
			return nil
		}
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "InsertFsid2UID", table, "InsertOne", err),
			log.Any("uid", uid), log.Any("fsid", fsid))
		return err
	}
	return nil
}

// FindFsid2UID 查找条映射关系
func FindFsid2UID(fsid string) (uint64, error) {
	var record Fs2UID
	if err := coll(nil).FindOne(&record, bson.M{"fsid": fsid}); err != nil {
		log.Error(fmt.Sprintf("[METHOD-%s]==> Model %s %s fail error:%+v:", "InsertFsid2UID", table, "InsertOne", err),
			log.Any("fsid", fsid))
		return 0, err
	}
	return record.UID, nil
}