package mongo

import (
	"context"
	"errors"
	"fmt"
	"time"

	newMongo "go.mongodb.org/mongo-driver/mongo"
	"go.mongodb.org/mongo-driver/mongo/options"
	"mongo.games.com/goserver/core/logger"
)

var globalMongoSession *newMongo.Client

func mongoURI(user, password, host string, port int32, options string) string {
	login := ""
	if user != "" {
		login = user + ":" + password + "@"
	}
	if host == "" {
		host = "localhost"
	}
	if port == 0 {
		port = 27017
	}
	if options != "" {
		options = "?" + options
	}
	url := fmt.Sprintf("mongodb://%s%s:%d/admin%s", login, host, port, options)
	return url
}

// NewMongoClient 创建mongo客户端
// Deprecated: use [mongo.games.com/game/mongo] instead
func NewMongoClient() (*newMongo.Client, error) {
	if globalMongoSession != nil {
		return globalMongoSession, nil
	}
	cfg, b := MgoSessionMgrSington.GetCfg(G_P, "user")
	if !b {
		return nil, errors.New("not db")
	}
	ctx, _ := context.WithTimeout(context.Background(), 5*time.Second)
	client, err := newMongo.Connect(ctx, options.Client().ApplyURI(mongoURI(cfg.Username, cfg.Password, cfg.HostName, cfg.HostPort, cfg.Options)))
	if err != nil {
		logger.Logger.Errorf("NewMongoClient error:%v", err)
		return nil, err
	}
	if client == nil {
		return nil, errors.New("not db client")
	}
	globalMongoSession = client
	return client, nil
}