system

type Action func()

type Command struct {
	ID CommandID

	WelcomeMessage string
	GoodbyeMessage string
	ErrorAction    Action
	SuccessAction  Action

	Command   string
	Arguments []string
}

type CommandID string

type ICommandRunner interface {
	Run(command Command)
}

type IOsDetector interface {
	GetOsInfo() (OsInfo, UserInfo, error)
}

type IRunner interface {
	Run(command Command)
}

type OsClass string

type OsInfo struct {
	OsClass   OsClass
	OsName    string
	OsVersion string
}

type UserInfo struct {
	Name   string
	UserID int
}