/*
    This file is part of dogapi.

    dogapi is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    dogapi is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with dogapi.  If not, see <https://www.gnu.org/licenses/>.
*/

package db

import (
	"database/sql"
	"os"
	"fmt"
	"log"
	_ "github.com/lib/pq"
)

var conn *sql.DB

func ConnectDB() (error) {
	psqlInfo := fmt.Sprintf("host=%s port=%s user=%s password=%s dbname=%s sslmode=disable",
        os.Getenv("HOST"), os.Getenv("PORT"), os.Getenv("DBUSER"), os.Getenv("PASSWD"), os.Getenv("DBNAME"))
	var err error
	conn, err = sql.Open("postgres", psqlInfo)

	if err != nil {
		log.Fatalln(err)
	}
	err = conn.Ping()
	return err
}