from machine import SoftI2C, Pin
import time
from ssd1306 import SSD1306_I2C
from dht import DHT22
from time import sleep
from blynkLib import Blynk
import network

# Initialize DHT22 sensor
dht22 = DHT22(Pin(14))

BLYNK_AUTH_TOKEN = "vOdkqjun8LhH1KDKq7JgTDxOesC07bxO"

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

while not wifi.isconnected():
    pass
print("Wifi Connected Successfully")

blynk = Blynk(BLYNK_AUTH_TOKEN)

# Initialize OLED display
I2C_ADDR_OLED = 0x3c
oled_width = 128
oled_height = 64
i2c = SoftI2C(scl=Pin(22), sda=Pin(21), freq=10000)
oled = SSD1306_I2C(oled_width, oled_height, i2c, I2C_ADDR_OLED)

def send_sensor_data():
    dht22.measure()
    temp = dht22.temperature()
    hum = dht22.humidity()
    blynk.virtual_write(0, temp)  # Virtual pin 0 for temperature
    blynk.virtual_write(1, hum)   # Virtual pin 1 for humidity

# Main loop
while True:
    try:
        sleep(2)
        dht22.measure()
        temp = dht22.temperature()
        hum = dht22.humidity()  # Read temperature and humidity
        
        # Print to console
        print('Temperature: %.1f C' % temp)
        print('Humidity: %.1f %%' % hum)
        
        blynk.run()
        send_sensor_data()  # Send sensor data to Blynk
       
        # Display on OLED
        oled.fill(0)  # Clear the screen
        oled.text('Temperature:'+str(temp)+'C', 0, 26, 1)
        oled.text('Humidity: '+str(hum)+'%', 0, 36, 1)
        oled.show()
    except OSError as e:
        print('Failed to read sensor.')