package config

import (
	"fmt"
	"io/fs"
	"io/ioutil"
	"log"
	"os/user"

	"github.com/joho/godotenv"
)

// TODO: envvar
const ABRA_DIR = ".abra"

var ABRA_SERVER_FOLDER = fmt.Sprintf("/%s/%s", ABRA_DIR, "servers")

func getHomeDir() string {
	// Future: Windows support?
	user, err := user.Current()
	if err != nil {
		log.Fatalf(err.Error())
	}
	return user.HomeDir
}

func ReadServerNames() []string {
	var serverNames []string
	files, err := ioutil.ReadDir(getHomeDir() + ABRA_SERVER_FOLDER)
	if err != nil {
		log.Fatal(err.Error())
	}
	for _, file := range files {
		// Check if file is directory or symlink to one
		if file.IsDir() || file.Mode()&fs.ModeSymlink != 0 {
			serverNames = append(serverNames, file.Name())
		}
	}
	return serverNames
}

func ReadEnv(filePath string) map[string]string {
	var envFile map[string]string
	envFile, err := godotenv.Read(filePath)
	if err != nil {
		panic(err) // TODO: Better logging
	}
	return envFile
}