package main

import (
	"os"
	"log"
	"io/ioutil"
	"encoding/json"
)

type config struct {
	Host	string	`json:"host"`
	Path	string	`json:"path"`
	User	string	`json:"user"`
	Token	string	`json:"token"`
}

func handleTilde(in string) string {
	if in[0] != '~' {
		return in
	}
	return os.Getenv("HOME") + in[1:]
}

func configPath() string {
	confHome := os.Getenv("XDG_CONFIG_HOME")
	if confHome == "" {
		confHome = "~/.config"
	}
	confDir := handleTilde(confHome) + "/linger"
	_ = os.Mkdir(confDir, 0755)
	return confDir + "/config.json"
}

func configLoad() *config {
	conf := config{}
	data, err := ioutil.ReadFile(configPath())
	if err != nil {
		return &conf
	}
	err = json.Unmarshal(data, &conf)
	if err != nil {
		return &conf
	}
	return &conf
}

func configWrite(conf *config) {
	data, err := json.Marshal(conf)
	err = ioutil.WriteFile(configPath(), data, 0644)
	if err != nil {
		log.Fatal("Failed to write config")
	}
}