from machine import ADC, Pin
import time
import network
import urequests

API_TOKEN = "BBUS-cv6zujlDqFPGb7KmPuNYH5VhXXTkii"

smoke_sensor = ADC(1)  # GP26 = ADC0
buzzer = Pin(15, Pin.OUT)
threshold = threshold = 45000
red = Pin(2, Pin.OUT)       # Red LED
green = Pin(3, Pin.OUT) # Green LED
motor = Pin(14,Pin.OUT) #fan

# WiFi credentials
ssid = 'HanBeingHan'
password = 'Han19@@2005'

# Connect to WiFi
print("===== Connect to Wifi =====")
wlan = network.WLAN(network.STA_IF)
wlan.active(True)
wlan.connect(ssid, password)
while not wlan.isconnected():
    pass
print("Connected to Wif-Fi")


# Function to send data to Ubidots
def send_data(analog_value):
    url = "https://industrial.api.ubidots.com/api/v1.6/devices/mq-2/"
    headers = {"X-Auth-Token": API_TOKEN, "Content-Type": "application/json"}
    payload = {"smoke_level": analog_value}

    try:
        response = urequests.post(url, headers=headers, json=payload)
        response.close()
        print("Data sent to Ubidots")
    except Exception as e:
        print("Failed to send data:", e)


while True:
    analog_value = smoke_sensor.read_u16()  # 0 to 65535
    print("Smoke Level:", analog_value)
    send_data(analog_value)
    
    time.sleep(10)
    
    if analog_value > threshold:
        print("⚠️ Smoke Level HIGH - Taking Action!")

        buzzer.value(1)
        red.value(1)
        green.value(0)
        motor.value(1)
        
    else:
        print("✅ Smoke Level Normal")
        buzzer.value(0)
        green.value(1)
        red.value(0)
        motor.value(0)


    
    time.sleep(1)