from machine import Pin, ADC, PWM
from time import sleep
import time
import ifttt
import network
import dht
import wifi 
from umqtt.simple import MQTTClient
from machine import SoftI2C
from lcd_api import LcdApi
from i2c_lcd import I2cLcd
import thing_speak as tsp

ssid = 'Wokwi-GUEST'
password = ''


sensor = ADC(Pin(34))
pinLed = Pin(14,Pin.OUT)
humidifier = Pin(27,Pin.OUT)
sen = PWM(Pin(15, mode=Pin.OUT))
sen.freq(50)
d = dht.DHT22(Pin(12, Pin.IN))
motion = Pin(12, Pin.IN)
I2C_ADDR = 0x27
totalRows = 2
totalColumns = 16
i2c = SoftI2C(scl=Pin(22), sda=Pin(23), freq=10000) 
lcd = I2cLcd(i2c, I2C_ADDR, totalRows, totalColumns)
lcd.putstr("Farm")
h = -1
t = -1
buzzer_pin = Pin(21, Pin.OUT)
buzzer_pwm = PWM(buzzer_pin)


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

def thingspeak_display():
    d.measure()
    t = d.temperature()
    h = d.humidity()
    print("Update to thingspeak....")
    tsp.update_temp_and_hum(t, h)
    
def send_email():   
    d.measure()
    t = d.temperature()
    h = d.humidity()

    if(t > 35 or t < 30 or h > 65 or h < 60):
      ifttt.sent_email(t,h)
      print("sent email")   

def send_to_sheet():   
    d.measure()
    t = d.temperature()
    h = d.humidity()
    
    if(t > 35 or t < 30 or h > 65 or h < 60):
      ifttt.send_to_sheet(t,h)
      print("sent to sheet")  

if __name__ == "__main__":
  connect_internet()
  last_thingspeak_display=time.time()
  while True:
    current_time= time.time()
    if current_time - last_thingspeak_display >= 60:
            thingspeak_display()
            time.sleep(5)
            send_email()
            time.sleep(5)
            send_to_sheet()
            time.sleep(5)
            last_thingspeak_display = current_time

    val = sensor.read()
    d.measure()
    temperature = d.temperature()
    humidity =  d.humidity()
    #mo cua
    if temperature>35:
        pinLed.value(0)
        sen.duty(123)
        time.sleep(0.5)
    else:  #dong cua, tat den suoi
        if temperature>=30:
            pinLed.value(0)
            sen.duty(74)
        else: #dong cua, bat den suoi
            pinLed.value(1)
            sen.duty(74)

    if humidity<60:
        #bat may tao am
        humidifier.value(1)
        time.sleep(0.5)
    else: 
        #tat may tao am
        humidifier.value(0)

    if h != d.humidity():
        h = d.humidity()
        lcd.clear()
        lcd.putstr("The Humidity:   ")
        lcd.putstr(str(h))
    sleep(1)
    if t != d.temperature():
        t = d.temperature()
        lcd.clear()
        lcd.putstr("The Temperature:   ")
        lcd.putstr(str(t))
    if (temperature>70):
            buzzer_pwm.duty(10)
    else:
            buzzer_pwm.duty(0)
    sleep(1)