import time
import dht
import random
import urequests
from machine import Pin
from machine import I2C
from ssd1306 import SSD1306_I2C
import network

WIDTH = 128
HEIGHT = 64
sda_pin = Pin(0)
scl_pin = Pin(1)
sensor = dht.DHT22(Pin(28))


i2c = I2C(0, sda=sda_pin, scl=scl_pin, freq=400000)
oled = SSD1306_I2C(WIDTH, HEIGHT, i2c)
oled.fill(0)  # Limpa o display
oled.show()

# conectar-se à rede Wi-Fi
print("Connecting to WiFi", end="")
wlan = network.WLAN(network.STA_IF)
wlan.active(True)
wlan.connect("Wokwi-GUEST", "")
while not wlan.isconnected():
    print(".", end="")
    time.sleep(0.1)
print(" Connected!")
print(wlan.ifconfig())

# Função para enviar dados para o ThingSpeak
def send_to_thingspeak(temp, humidity, rand_temp, rand_humidity):
    api_key = "FQ5RJYQGUMKII6EA"  # Substitua com sua API Key do ThingSpeak
    url = "https://api.thingspeak.com/update?api_key={}&field1={}&field2={}&field3={}&field4={}".format(api_key, temp, humidity, rand_temp, rand_humidity)
    response = urequests.get(url)
    print("Dados enviados para ThingSpeak:", response.text)
    response.close()

# Função principal para monitorar e enviar dados
def monitor_and_send():
    while True:
        sensor.measure()
        temp = sensor.temperature()
        humidity = sensor.humidity()

        rand_umid = random.uniform(0, 100)
        rand_temp = random.uniform(-10, 40)

        # Limpar o display
        oled.fill(0)

        # Escrever temperatura e umidade no display
        oled.text("Temp Real: {}C".format(temp), 0, 0)
        oled.text("Umid Real: {}%".format(humidity), 0, 16)
        oled.text("Temp Rand: {}C".format(rand_temp), 0, 32)
        oled.text("Umid Rand: {}%".format(rand_umid), 0, 48)
        oled.show()

        # Enviar dados para o ThingSpeak
        send_to_thingspeak(temp, humidity, rand_temp, rand_umid)

        # Aguardar 15 segundos antes de ler novamente os sensores e enviar dados
        time.sleep(15)

# Executar a função principal
monitor_and_send()