package main

import (
	"context"
	"go.mongodb.org/mongo-driver/mongo"
	"go.mongodb.org/mongo-driver/mongo/options"
)

type Mgo struct {
	Uri                string
	PoolSize           uint64
	mgoEn              *mongo.Client
}

func InitMgoEn(uri string, poolSize uint64,username_password ... string) (*Mgo, error) {
	//fengweiqiang fwq@123123
	m := Mgo{}
	m.Uri = uri
	if poolSize == 0 {
		m.PoolSize = 100
	}
	//fengweiqiang/fwq@123123
	options_client := options.Client().
		ApplyURI(uri).SetMaxPoolSize(m.PoolSize)
	if len(username_password)==2{
		options_client = options_client.SetAuth(options.Credential{Username: username_password[0], Password: username_password[1]})
	}
	client, err := mongo.Connect(context.Background(), options_client)
	if err != nil {
		return nil, err
	} else {
		m.mgoEn = client
		return &m, nil
	}
}

func (m *Mgo) GetCon() *mongo.Client {
	if m.mgoEn != nil {
		return m.mgoEn
	} else {
		return nil
	}
}

//var zwjeReg *regexp.Regexp = regexp.MustCompile(`([〇零点壹贰叁肆伍陆柒捌玖拾百佰千仟万萬亿億元圆角分整正]{4,40})`)