package main

import "github.com/eiannone/keyboard"

type Keyboard struct {
	Events chan byte
}

func NewKeyboard() (*Keyboard, error) {
	err := keyboard.Open()
	return &Keyboard{
		Events: make(chan byte),
	}, err
}

func (k *Keyboard) Listen() {
	defer func() {
		recover()
	}()
	for {
		r, _, err := keyboard.GetKey()
		if err != nil {
			continue
		}
		b := byte(r)
		k.Events <- b
	}
}

func (k *Keyboard) Next() byte {
	return <-k.Events
}

func (k *Keyboard) Close() {
	keyboard.Close()
	close(k.Events)
}