package main

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

type NTFConfig struct {
	HubAddr     string
	BotAPIKey   string
	GroupChatID int64

	// Map of telegram user IDs to NMDC nicks
	KnownUsers map[int64]string
}

func LoadConfig(configFile string) (NTFConfig, error) {
	b, err := ioutil.ReadFile(configFile)
	if err != nil {
		return NTFConfig{}, err
	}

	ret := NTFConfig{}
	err = json.Unmarshal(b, &ret)
	if err != nil {
		return NTFConfig{}, err
	}

	return ret, nil
}

func (this *NTFConfig) Save(configFile string) error {
	b, err := json.MarshalIndent(this, "", "  ")
	if err != nil {
		return err
	}

	return ioutil.WriteFile(configFile, b, 0644)
}