package services

import (
	"os"
	"log"
	
	"github.com/joho/godotenv"
)

const (
	DB_URI string	= "DB_URI"

	REDDIT_PULL_TOP = "REDDIT_PULL_TOP"
	REDDIT_PULL_HOT = "REDDIT_PULL_HOT"
	REDDIT_PULL_NSFW = "REDDIT_PULL_NSFW"
)

type ConfigClient struct {}

func NewConfigClient() ConfigClient {
	_, err := os.Open(".env")
	if err == nil {
		loadEnvFile()
	}

	return ConfigClient{}
}

func (cc ConfigClient) GetConfig(key string) string {
	res, filled := os.LookupEnv(key)
	if !filled {
		log.Printf("Missing the a value for '%v'.  Could generate errors.", key)
	}
	return res
}

// Use this when your ConfigClient has been opened for awhile and you want to ensure you have the most recent env changes.
func (cc ConfigClient) RefreshEnv() {
	loadEnvFile()
}

func loadEnvFile() {
	err := godotenv.Load()
	if err != nil {
		log.Fatalln(err)
	}
}