from machine import Pin, I2C
from time import sleep
from lcd_api import LcdApi
from i2c_lcd import I2cLcd

# Configurar LCD I2C
i2c = I2C(0, sda=Pin(0), scl=Pin(1), freq=400000)
lcd = I2cLcd(i2c, 0x27, 2, 16)

# Configurar LEDs
led_rojo = Pin(2, Pin.OUT)
led_amarillo = Pin(3, Pin.OUT)
led_verde = Pin(4, Pin.OUT)

# Configurar Botones (con PULL_UP)
btn_rojo = Pin(5, Pin.IN, Pin.PULL_UP)
btn_amarillo = Pin(6, Pin.IN, Pin.PULL_UP)
btn_verde = Pin(7, Pin.IN, Pin.PULL_UP)

lcd.putstr("Sistema listo!")

while True:
    if not btn_rojo.value():
        led_rojo.value(1)
        lcd.clear()
        lcd.putstr("LED ROJO encendido")
        sleep(0.5)
    else:
        led_rojo.value(0)

    if not btn_amarillo.value():
        led_amarillo.value(1)
        lcd.clear()
        lcd.putstr("LED AMARILLO on")
        sleep(0.5)
    else:
        led_amarillo.value(0)

    if not btn_verde.value():
        led_verde.value(1)
        lcd.clear()
        lcd.putstr("LED VERDE activo")
        sleep(0.5)
    else:
        led_verde.value(0)