package main

import (
	"arbeitszeitmessung/helper"
	"arbeitszeitmessung/models"
	"database/sql"
	"fmt"

	_ "github.com/lib/pq"
)

func OpenDatabase() (models.IDatabase, error) {
	dbHost := helper.GetEnv("POSTGRES_HOST", "localhost")
	dbName := helper.GetEnv("POSTGRES_DB", "arbeitszeitmessung")
	dbUser := helper.GetEnv("POSTGRES_API_USER", "api_nutzer")
	dbPassword := helper.GetEnv("POSTGRES_API_PASS", "password")
	dbTz := helper.GetEnv("TZ", "Europe/Berlin")

	connStr := fmt.Sprintf("postgres://%s:%s@%s:5432/%s?sslmode=disable&TimeZone=%s", dbUser, dbPassword, dbHost, dbName, dbTz)
	return sql.Open("postgres", connStr)
}