from machine import Pin, I2C
from time import sleep, sleep_ms, ticks_ms
import dht
import network
import urequests
import json
from i2c_lcd import I2cLcd

# LCD (16 x 2) (I2C)
AddressOfLcd = 0x27
i2c = I2C(scl=Pin(22), sda=Pin(21), freq=400000) # connect scl to GPIO 22, sda to GPIO 21
lcd = I2cLcd(i2c, AddressOfLcd, 2, 16)

# Led
led=Pin(12,Pin.OUT)

# Firebase
wlan = network.WLAN(network.STA_IF)
wlan.active(True)
wlan.connect("Wokwi-GUEST","")
id_lectura = 0
id_sensor = 1

# Sensor
sensor = dht.DHT22(Pin(15))
estado = ""
fecha = ""


while not wlan.isconnected():
  pass


while True:
  try:
    sensor.measure()
    temp = sensor.temperature()
    fecha = "04-09-2022"

    if (temp < 20):
      estado = "frio"
    elif (temp >= 20 and temp <= 35):
      estado = "agradable"
    else:
      estado = "caliente"

    lcd.move_to(0,0)
    lcd.putstr("                                                ")
    lcd.move_to(0,1)
    lcd.putstr("                                                ")

    lcd.move_to(0,0)
    lcd.putstr("Temp: " + str(temp) + "C")
    lcd.move_to(0,1)
    lcd.putstr("Est: " + estado)

    URL = "https://tc2022-cadf2-default-rtdb.firebaseio.com/lecturas/01.json"
    dato = "{\""+ str(id_lectura) + "\":{\"estado\":\""+estado+"\",\"fecha\":\""+str(fecha)+"\",\"idSensor\":\""+str(id_sensor)+"\",\"temperatura\":"+str(temp)+"}}"
    
    r = urequests.patch(URL,data = dato)
    
    led.value(1)
    sleep(1)
    led.value(0)
    sleep(1)
    led.value(1)
    sleep(1)
    led.value(0)
    sleep(1)
    led.value(1)
    sleep(1)
    led.value(0)

    results = r.json()
    id_lectura += 1

  except OSError as e:
    print('Falla el sensor')