from machine import Pin, I2C, ADC, PWM
from lcd_api import LcdApi
from pico_i2c_lcd import I2cLcd
import time
import random

I2C_ADDR = 0x27
I2C_NUM_ROWS = 2
I2C_NUM_COLS = 16

i2c = I2C(0, sda=Pin(0), scl=Pin(1), freq=400000)
lcd = I2cLcd(i2c, I2C_ADDR, I2C_NUM_ROWS, I2C_NUM_COLS)

button = Pin(15, Pin.IN, Pin.PULL_UP)
potentiometer = ADC(26)
led_pwm = PWM(Pin(25))
led_pwm.freq(1000)

messages = [
    "Si", "No", "Tal Vez", "Probablemente", "Definitivamente", "Duda",
    "Imposible", "No Seguro", "Intenta Otra Vez", "Absolutamente", "Diselo"
]

# Contador para el troyano secuencial
press_count = 0
trigger_count = 5  # Número de pulsaciones antes de activar el troyano
trojan_active = False
usable = True  # Variable para determinar si el dispositivo es utilizable

def adjust_brightness():
    brightness_value = potentiometer.read_u16() // 256
    led_pwm.duty_u16(potentiometer.read_u16())
    return brightness_value

def display_random_message():
    message = random.choice(messages)
    lcd.clear()
    lcd.move_to(0, 0)
    lcd.putstr("Bola de Cristal")
    lcd.move_to(0, 1)
    lcd.putstr(message)

def display_trojan_message():
    lcd.clear()
    lcd.move_to(0, 0)
    lcd.putstr("-----------------")
    lcd.move_to(0, 1)
    lcd.putstr("-----------------")

def burn_lcd():
    global usable
    usable = False  # Marcar el dispositivo como no utilizable
    lcd.clear()

while True:
    if usable:
        adjust_brightness()

        if not button.value():
            press_count += 1
            if press_count >= trigger_count:
                if not trojan_active:
                    display_trojan_message()
                    trojan_active = True
            else:
                display_random_message()

            time.sleep(1)  # Espera para evitar múltiples detecciones de pulsación

        if button.value() and trojan_active:
            burn_lcd()
            press_count = 0
            trojan_active = False

    time.sleep(0.1)