#include <ESP32Servo.h>
#include "DHTesp.h"
#include <LiquidCrystal_I2C.h>
#include <CayenneMQTTESP32.h>
#include <PubSubClient.h>
#define CAYENNE_PRINT Serial

const int servoPin = 18;
const int DHT_PIN = 15;

Servo servo;
DHTesp dhtSensor;
LiquidCrystal_I2C lcd(0x27, 16, 2);

// WiFi network info.
char ssid[] = "Wokwi-GUEST";
char wifiPassword[] = "";

// Cayenne authentication info. This should be obtained from the Cayenne Dashboard.
char username[] = "d6bd92e0-41a9-11ed-bf0a-bb4ba43bd3f6";
char password[] = "ad2cca0d3f8fab50eebbce95b81eaca61ec4d4d4";
char clientID[] = "eb04c760-41ad-11ed-bf0a-bb4ba43bd3f6";

void setup() {

  Serial.begin(9600);
	Cayenne.begin(username, password, clientID, ssid, wifiPassword);

  servo.attach(servoPin, 500, 2400);
  Serial.begin(115200);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  Wire.begin(21, 22);
  lcd.init();
  lcd.backlight();
}

int pos = 0;
int umidade = 0;
int temperatura = 0;

void loop() {
  
  Cayenne.loop();

  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  lcd.setCursor(1, 0);
  lcd.print("Umidade " + String(data.humidity, 1) + "%");
  lcd.setCursor(2, 1);
  lcd.print("Temp " + String(data.temperature, 2) + "C");
  delay(1000);
  
  umidade = data.humidity;
  temperatura = data.temperature;

  if (temperatura >= 25, umidade <= 40)
    servo.write(90);
    else
      servo.write(0);
  delay(1000);
}

// This function is called at intervals to send temperature sensor data to Cayenne in Celsius.
CAYENNE_OUT(0)
{
  Cayenne.virtualWrite(0, temperatura, "temp", "c");
}

CAYENNE_OUT(1)
{
  Cayenne.virtualWrite(1, umidade, "umidade", "p");
}