package main

import (
	"fmt"
)

type FirstServiceConfig struct {
	FirstServiceKey string
	FirstServiceProject string
}

type SecondServiceConfig struct {
	SecondServiceUsername string
	SecondServicePassword string
}

type Config struct {
	Address string
	*FirstServiceConfig
	*SecondServiceConfig
}

var (
	defaultFirstServiceConfig = FirstServiceConfig{
		FirstServiceKey: "public_key",
		FirstServiceProject: "little_test",
	}
	defaultSecondServiceConfig = SecondServiceConfig{
		SecondServiceUsername: "guillaume",
		SecondServicePassword: "qwerty",
	}
)

func NewConfig(address string) Config {

	c := Config {
		Address: address,
	}
	c.FirstServiceConfig = &defaultFirstServiceConfig
	c.SecondServiceConfig = &defaultSecondServiceConfig
	return c
}

func main() {

	config := NewConfig("127.0.0.1")
	fmt.Printf("%v\n",config)
	fmt.Printf("%v\n",config.FirstServiceConfig)
	fmt.Printf("%v\n",config.SecondServiceConfig)
	// Direct access to embed struct fields
	fmt.Printf("Second service username is %s\n",config.SecondServicePassword)
}