import network
import time
import urequests
import dht
from machine import Pin

# Replace with your Wi-Fi credentials
SSID = 'DESKTOP-C1Q83OV 7091'
PASSWORD = '63y]10B0'

# Replace with your Firebase details
FIREBASE_URL = "https://dht22demo-default-rtdb.firebaseio.com/"  # Firebase Realtime Database URL
FIREBASE_API_KEY = "AIzaSyCmePP0X6O-XC1mO4RBkTJUVIZKBYdtYyQ"  # Your Firebase API key

# Setup DHT22 sensor
dht_pin = Pin(15, Pin.IN, Pin.PULL_UP)  # GPIO15 (Adjust pin based on your wiring)
sensor = dht.DHT22(dht_pin)

# Function to connect to Wi-Fi
def connect_wifi():
    print('Connecting to Wi-Fi...')
    wlan = network.WLAN(network.STA_IF)
    wlan.active(True)
    wlan.connect(SSID, PASSWORD)
    
    while not wlan.isconnected():
        time.sleep(1)
    
    print('Connected to Wi-Fi')
    print('IP Address:', wlan.ifconfig()[0])

# Function to send data to Firebase
def send_data_to_firebase(temperature, humidity):
    url = f"{FIREBASE_URL}/sensor_data.json?auth={FIREBASE_API_KEY}"
    
    data = {
        "temperature": temperature,
        "humidity": humidity,
        "timestamp": int(time.time())  # Current timestamp
    }
    
    try:
        response = urequests.post(url, json=data)
        if response.status_code == 200:
            print('Data sent to Firebase successfully!')
        else:
            print('Failed to send data to Firebase, status code:', response.status_code)
        response.close()
    except Exception as e:
        print('Error sending data to Firebase:', e)

# Main function to read sensor and send data
def main():
    connect_wifi()
    
    while True:
        try:
            # Read sensor data
            sensor.measure()  # Trigger the DHT22 to take a measurement
            temperature = sensor.temperature()  # Get temperature in Celsius
            humidity = sensor.humidity()  # Get humidity in percentage
            
            # Print sensor data
            print(f'Temperature: {temperature}°C, Humidity: {humidity}%')
            
            # Send data to Firebase
            send_data_to_firebase(temperature, humidity)
        
        except Exception as e:
            print('Error reading sensor data:', e)
        
        # Wait for 10 seconds before taking the next reading
        time.sleep(10)

# Run the main function
if __name__ == '__main__':
    main()