package sql

import (
	"context"
	"database/sql"
	_ "github.com/mattn/go-sqlite3"
)

type SqlDb struct {
	db      *sql.DB
	created bool
}

var dbConnection SqlDb

func NewDb(file string) (*SqlDb, error) {
	if dbConnection.created {
		return &dbConnection, nil
	}

	db, err := sql.Open("sqlite3", file)
	if err != nil {
		return nil, err
	}

	dbConnection.db = db
	dbConnection.created = true

	_, err = dbConnection.db.Conn(context.Background())
	if err != nil {
		return nil, err
	}

	return &dbConnection, nil
}

func GetDb() *SqlDb {
	return &dbConnection
}