from machine import Pin
import time
import dht
import wifi
import network
import my_thing_speak as tsp

led_pin=12
led = Pin(led_pin,Pin.OUT)
light_sensor_pin = 27
light_sensor = Pin(light_sensor_pin, Pin.IN)
dht_pin = 14
dht_sensor = dht.DHT22(Pin(dht_pin))

def connect_internet():
  print("Connecting to Wifi", end="")
  sta_if = network.WLAN(network.STA_IF)
  sta_if.active(True)
  sta_if.connect(wifi.ssid, wifi.pw)
  while not sta_if.isconnected():
    print(".",end="")
    time.sleep(0.1)
  print(' Connected!')

def loop():
  previous_light_state = -1
  while True:
    dht_sensor.measure()
    t=dht_sensor.temperature()
    h=dht_sensor.humidity()
    print(t,h)
    print('Update to thingspeak...')
    
    current_light_state = light_sensor.value()
    if current_light_state!=previous_light_state:
      previous_light_state = current_light_state
      tsp.update_all(t,h,current_light_state)
    else:
      tsp.update_temp_and_hum(t,h)
    time.sleep(20)

if __name__=="__main__":
  connect_internet()
  loop()