package led

import (
	"fmt"

	"github.com/go-flucky/flucky/pkg/types"
	"github.com/stianeikeland/go-rpio"
)

type LED interface {
	On() error
	Off() error
	Toggel() error
}

type RGBLED struct {
	*types.LED
}

func (l *RGBLED) On() error {
	if err := rpio.Open(); err != nil {
		return fmt.Errorf("Can not open rpio: %v", err)
	}
	defer rpio.Close()

	gpio, err := types.GPIOToInt(*l.GPIONumber)
	if err != nil {
		return fmt.Errorf("Can not determine %v into integer: %v", l.GPIONumber, err)
	}

	pin := rpio.Pin(gpio)
	pin.High()

	return nil
}

func (l *RGBLED) Off() error {

	if err := rpio.Open(); err != nil {
		return fmt.Errorf("Can not open rpio: %v", err)
	}
	defer rpio.Close()

	gpio, err := types.GPIOToInt(*l.GPIONumber)
	if err != nil {
		return fmt.Errorf("Can not determine %v into integer: %v", l.GPIONumber, err)
	}

	pin := rpio.Pin(gpio)
	pin.Low()

	return nil
}

func (l *RGBLED) Toggel() error {

	if err := rpio.Open(); err != nil {
		return fmt.Errorf("Can not open rpio: %v", err)
	}
	defer rpio.Close()

	gpio, err := types.GPIOToInt(*l.GPIONumber)
	if err != nil {
		return fmt.Errorf("Can not determine %v into integer: %v", l.GPIONumber, err)
	}

	pin := rpio.Pin(gpio)
	pin.Toggle()

	return nil
}