package main

import (
	"fmt"

	"github.com/kelseyhightower/envconfig"
)

type Config struct {
	PgHost string `envconfig:"POSTGRES_HOSTNAME"`
	PgName string `envconfig:"POSTGRES_DB"`
	PgUser string `envconfig:"POSTGRES_USER"`
	PgPass string `envconfig:"POSTGRES_PASSWORD"`
	PgPort int    `envconfig:"POSTGRES_PORT"`
	Listen string `envconfig:"LISTEN"`
	Secret string `envconfig:"SECRET"`
}

func (c *Config) DSN() string {
	return fmt.Sprintf(
		"host=%s user=%s password=%s dbname=%s port=%d sslmode=disable TimeZone=Europe/Moscow",
		c.PgHost,
		c.PgUser,
		c.PgPass,
		c.PgName,
		c.PgPort,
	)
}

func GetConfig() (*Config, error) {
	c := new(Config)

	return c, envconfig.Process("", c)
}