package config

import (
	// External
	"gopkg.in/yaml.v3"

	// Standard
	"errors"
	"os"
)

type DatabaseDetails struct {
	Host     string
	Port     int
	Name     string
	Username string
	Password string
}


type Config struct {
	Network struct {
		Address string
		Port    int
	}

	Websocket struct {
		Domains []string
	}

	Database DatabaseDetails

	Session struct {
		DaysValid int
	}
}

func New(filename string) (config Config, err error) {
	var rawConfigData []byte
	rawConfigData, err = os.ReadFile(filename)
	if err != nil {
		return
	}

	err = yaml.Unmarshal(rawConfigData, &config)
	if err != nil {
		return
	}

	if config.Session.DaysValid == 0 {
		err = errors.New("Configuration: session.daysvalid needs to be higher than 0.")
	}

	return
}