#!/usr/bin/env python3
# encoding: utf-8

import wiringpi
import click
import time

def setup() -> None:
    wiringpi.wiringPiSetupGpio()
    wiringpi.pinMode(18, 1)

def pin_on() -> None:
    # Attiva uscita GPIO18
    wiringpi.digitalWrite(18, 1)

def pin_off() -> None:
    wiringpi.digitalWrite(18, 0)

def lampeggia() -> None:
    for x in range(0, 4):
        pin_on()
        time.sleep(0.5)
        pin_off()
        time.sleep(0.5)

def toggle() -> None:
    state = wiringpi.digitalRead(18)

    if state:
        pin_off()
    else:
        pin_on()

# Setup
@click.command()
@click.argument('op')
def cli(op):
    setup()

    if op in [ "accendi", "on" ]:
        pin_on()
    elif op in [ "spegni", "off" ]:
        pin_off()
    elif op == 'lampeggia':
        lampeggia()
    elif op == 'toggle':
        toggle()
    else:
        click.echo("Che vuoi da me?")

if __name__ == '__main__':
    cli()