from machine import Pin, PWM, SoftI2C
import time
import dht
import wifi
import ifttt
from lcd_api import LcdApi
from i2c_lcd import I2cLcd
import urequests as requests

# setup
ledRed = Pin(13, Pin.OUT)
dht22_sensor = dht.DHT22(Pin(32, Pin.IN))
pir_sensor = Pin(25, Pin.IN)
servo = PWM(Pin(27), freq=50, duty=0)
buzzer1 = PWM(Pin(12))
buzzer2 = PWM(Pin(14))
buzzer1.freq(1024)
buzzer1.freq(512)
buzzer1.duty(0)
buzzer2.duty(0)

# Setup LCD
I2C_ADDR = 0x27
totalRows = 2
totalColumns = 16
i2c = SoftI2C(scl=Pin(18), sda=Pin(19), freq=100000)
lcd = I2cLcd(i2c, I2C_ADDR, totalRows, totalColumns)
lcd.move_to(0, 0);
lcd.putstr("Cyber Coffee");
lcd.move_to(0, 1);
lcd.putstr("Fire Alarm")

#Connect to WiFi
wifi.connect_ap()

def automatic_door():
    motion_val = pir_sensor.value()
    if (motion_val == 1):
        lcd.clear()   
        lcd.move_to(0, 0)
        lcd.putstr(f"Somebody is comming...")
        print("Motion Detection")
        servo.duty_ns(1500000)
        ledRed.on()
        time.sleep(4)
    else:
        ledRed.off()
        servo.duty_ns(500000)


def fire_alarm(mail_send):
    dht22_sensor.measure()
    t = dht22_sensor.temperature()
    time.sleep(4)
    print("Temperature in the room: ",str(t)+"°C")
    #Print to LCD
    lcd.clear()   
    lcd.move_to(0, 0)
    lcd.putstr("Temperature:")
    lcd.move_to(0, 1);
    lcd.putstr(f"{t} C")
    #Check if temperature in the room > 57°C then turn on fire alarm system
    if t > 57:
        print("**FIRE ALERT**")
        lcd.clear()   
        lcd.move_to(0, 0)
        lcd.putstr(f"**FIRE DETECTION IN THE ROOM**")
        ledRed.on()
        time.sleep(0.4)
        ledRed.off()
        buzzer1.duty(50)
        time.sleep(0.4)
        buzzer1.duty(0)
        buzzer2.duty(50)
        time.sleep(0.5)
        buzzer2.duty(0)
        #send mail alert
        if mail_send == 0:
            ifttt.fire_alert(t)
            # mail_send += 1
    else:
        ledRed.off()
        buzzer1.duty(0)
        buzzer2.duty(0)
        mail_send = 0

if __name__ == '__main__':
    while True:
        fire_alarm(0)
        automatic_door()