import board
import digitalio
import time
import rotaryio

# Encoders
encoder_input = rotaryio.IncrementalEncoder(board.GP2, board.GP3)
encoder_output = rotaryio.IncrementalEncoder(board.GP4, board.GP5)

last_input = encoder_input.position
last_output = encoder_output.position

input_val = 1
output_val = 1

# LEDs para entradas (GP6–GP9)
input_leds = []
for pin in [board.GP6, board.GP7, board.GP8, board.GP9]:
    led = digitalio.DigitalInOut(pin)
    led.direction = digitalio.Direction.OUTPUT
    input_leds.append(led)

# LEDs para salidas (GP10–GP13)
output_leds = []
for pin in [board.GP10, board.GP11, board.GP12, board.GP13]:
    led = digitalio.DigitalInOut(pin)
    led.direction = digitalio.Direction.OUTPUT
    output_leds.append(led)

def update_leds(led_list, active_index):
    for i, led in enumerate(led_list):
        led.value = (i == active_index)

update_leds(input_leds, input_val - 1)
update_leds(output_leds, output_val - 1)

while True:
    current_input = encoder_input.position
    current_output = encoder_output.position

    if current_input != last_input:
        delta = current_input - last_input
        input_val = (input_val - 1 + delta) % 4 + 1
        update_leds(input_leds, input_val - 1)
        last_input = current_input

    if current_output != last_output:
        delta = current_output - last_output
        output_val = (output_val - 1 + delta) % 4 + 1
        update_leds(output_leds, output_val - 1)
        last_output = current_output

    time.sleep(0.05)