command

type Cmd[T any] struct {
	ID       string
	Desc     string
	FlagFunc func(m Manager, stored *T, f *flag.FlagSet) error
	Execute  func(m Manager, stored T, args []string) error
	// contains filtered or unexported fields
}

type Command interface {
	// How the command should be called from the command line
	Name() string

	// Execute the command
	// Any arguments not consumed by the flags will be passed here
	Exec(m Manager, args []string) error
}

type CommandAdder interface {
	// Add optional flags to the flagset
	AddFlags(m Manager, f *flag.FlagSet) error
}

type CommandDescriptor interface {
	Command
	Description() string
}

type CommandManager struct {
	OUT io.Writer
	ERR io.Writer
	IN  *os.File
	Cmd Command
	Reg Registry
}

type HelpCommand struct {
	ID   string
	Desc string
}

type Manager interface {
	Log(message string)
	Logf(format string, args ...interface{})
	Stdout() io.Writer
	Stderr() io.Writer
	Stdin() io.Reader
	Input(question string) (string, error)
	ProtectedInput(question string) (string, error)
	Registry() Registry
	Command() Command
}

type Registry interface {
	Name() string
	Which(cmdName string) (Command, bool)
	Register(cmd Command)
	Unregister(cmdName string) error
	Commands() []Command
	ExecCommand(args []string) error
	ExecCommandOpts(args []string, opts ...func(c *CommandManager)) error
}