from machine import Pin
import dht
import time

# Setup
dht_sensor = dht.DHT22(Pin(15))
button = Pin(13, Pin.IN, Pin.PULL_DOWN)
led = Pin(14, Pin.OUT)

sensor_active = False
press_count = 0
last_press_time = 0
debounce_delay = 0.2
double_press_delay = 0.5

# Functions
def get_temperature():
    dht_sensor.measure()
    return dht_sensor.temperature()

def get_humidity():
    dht_sensor.measure()
    return dht_sensor.humidity()

def blink_led(times, delay=0.5):
    for _ in range(times):
        led.on()
        time.sleep(delay)
        led.off()
        time.sleep(delay)

def toggle_sensor(pin):
    global sensor_active, press_count, last_press_time

    current_time = time.ticks_ms() / 1000
    if (current_time - last_press_time) < debounce_delay:
        return

    if (current_time - last_press_time) < double_press_delay:
        press_count += 1
    else:
        press_count = 1

    last_press_time = current_time

    if press_count == 1:
        sensor_active = True
        print("DHT22 Activated,LED ON")
        led.on()
    elif press_count == 2:
        sensor_active = False
        print("DHT22 dectivated, LED blink")
        blink_led(3)
        press_count = 0

button.irq(trigger=Pin.IRQ_FALLING, handler=toggle_sensor)

# Main loop
while True:
    if sensor_active:
        try:
            temperature = get_temperature()
            humidity = get_humidity()
            print(f"Temperature: {temperature}°C, Humidity: {humidity}%")
        except Exception as error:
            print("Sensor Error:", error)
        time.sleep(2)
    else:
        led.off()
        time.sleep(0.1)