package database

import (
	"database/sql"
	"fmt"
	"log"
	"os"

	_ "github.com/go-sql-driver/mysql"
)

func dsn() string {
	user := os.Getenv("DATABASE_USER")
	password := os.Getenv("DATABASE_PASSWORD")
	host := os.Getenv("DATABASE_HOST")
	port := os.Getenv("DATABASE_PORT")
	name := os.Getenv("DATABASE_NAME")
	return fmt.Sprintf("%s:%s@tcp(%s:%s)/%s", user, password, host, port, name)
}

func GetDatabaseConnection() *sql.DB {
	log.Println("dsn: ", dsn())
	DB_conn, err := sql.Open("mysql", dsn())
	if err != nil {
		log.Println("Database connection error : ", err)
	}
	return DB_conn
}