goufy/pkg/config/config.go

package config

import (
	"io/ioutil"
	"log"

	yaml "gopkg.in/yaml.v3"
)

const CONFIGFILE = "config.yaml"

const DEFAULTCONFIG = `
trackmania:
  host: "127.0.0.1"
  port: 5000
api:
  port: 5111
`

type TrackmaniaConfig struct {
	Host string
	Port int
}

type ApiConfig struct {
	Port int
}

type AppConfig struct {
	Trackmania TrackmaniaConfig
	Api        ApiConfig
}

func (c *AppConfig) ReadConfig() {
	// read default config
	err := yaml.Unmarshal([]byte(DEFAULTCONFIG), c)
	if err != nil {
		log.Fatal(err)
	}
	log.Print("Initiated the default config")
	// open config.yaml
	yamlFile, err := ioutil.ReadFile(CONFIGFILE)
	if err != nil {
		log.Fatal(err)
	}
	log.Print("Done reading yaml File")
	// configure config from config.yaml
	err = yaml.Unmarshal([]byte(yamlFile), c)
	if err != nil {
		log.Fatal(err)
	}
	log.Print("Read config from yaml File")
}