from machine import Pin
import network
import time
import dht
import BlynkLib

BLYNK_TEMPLATE_ID = "TMPL2QVfkK29a"
BLYNK_TEMPLATE_NAME = "test"
BLYNK_AUTH_TOKEN = "Slo-2FD_i5Chd2U3HNjOvME4lI0DoRix"

led = Pin(2, Pin.OUT)

# DHT22 data pin on GPIO15
sensor = dht.DHT22(Pin(15))

wifi = network.WLAN(network.STA_IF)
wifi.active(True)
wifi.connect("Wokwi-GUEST", "")

print("Connecting WiFi...")
while not wifi.isconnected():
    time.sleep(0.1)

print("WiFi Connected!")

blynk = BlynkLib.Blynk(
    BLYNK_AUTH_TOKEN,
    tmpl_id=BLYNK_TEMPLATE_ID,
    insecure=True
)

@blynk.on("connected")
def blynk_connected():
    print("Blynk Connected!")
    blynk.sync_virtual(0)

@blynk.on("V0")
def v0_write(value):
    print("V0 =", value)

    if int(value[0]) == 1:
        led.on()
        print("LED ON")
    else:
        led.off()
        print("LED OFF")

last_sensor_time = 0

while True:
    blynk.run()

    now = time.ticks_ms()

    # Send DHT22 values every 500 ms
    if time.ticks_diff(now, last_sensor_time) > 250:
        last_sensor_time = now

        try:
            sensor.measure()
            temp = sensor.temperature()
            hum = sensor.humidity()

            print("Temperature:", temp, "C")
            print("Humidity:", hum, "%")

            blynk.virtual_write(1, temp)  # V1 temperature
            blynk.virtual_write(2, hum)   # V2 humidity

        except Exception as e:
            print("DHT22 Error:", e)