#include <WiFi.h>
#include <PubSubClient.h>
#include "DHTesp.h"

const int DHT_PIN1 = 5;  // Sensor 1
const int DHT_PIN2 = 18; // Sensor 2
const int DHT_PIN3 = 19; // Sensor 3
DHTesp dhtSensor1, dhtSensor2, dhtSensor3;

const char* ssid = "Wokwi-GUEST";
const char* password = "";
const char* mqtt_server = "test.mosquitto.org";

WiFiClient WOKWI_client;
PubSubClient client(WOKWI_client);

void setup_wifi() {
  delay(10);
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(ssid);
  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }

  Serial.println("");
  Serial.println("WiFi connected");
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());
}

void reconnect() {
  while (!client.connected()) {
    Serial.print("Attempting MQTT connection...");
    if (client.connect("WOKWI_client")) {
      Serial.println("connected");
    } else {
      Serial.print("failed, rc=");
      Serial.print(client.state());
      Serial.println(" try again in 5 seconds");
      delay(5000);
    }
  }
}

void setup() {
  Serial.begin(115200);
  setup_wifi();
  client.setServer(mqtt_server, 1883);

  dhtSensor1.setup(DHT_PIN1, DHTesp::DHT22);
  dhtSensor2.setup(DHT_PIN2, DHTesp::DHT22);
  dhtSensor3.setup(DHT_PIN3, DHTesp::DHT22);
}

void envio_temp() {
  TempAndHumidity data1 = dhtSensor1.getTempAndHumidity();
  TempAndHumidity data2 = dhtSensor2.getTempAndHumidity();
  TempAndHumidity data3 = dhtSensor3.getTempAndHumidity();

  // Verificação para o Sensor 1
  if (isnan(data1.temperature) || isnan(data1.humidity)) {
    Serial.println("Failed to read from DHT sensor 1!");
  } else {
    client.publish("TOPICO_t_joao_1", String(data1.temperature).c_str());
    client.publish("TOPICO_h_joao_1", String(data1.humidity).c_str());
    Serial.println("Sensor 1 - Temp: " + String(data1.temperature, 2) + "°C, Humidity: " + String(data1.humidity, 1) + "%");
  }

  // Verificação para o Sensor 2
  if (isnan(data2.temperature) || isnan(data2.humidity)) {
    Serial.println("Failed to read from DHT sensor 2!");
  } else {
    client.publish("TOPICO_t_joao_2", String(data2.temperature).c_str());
    client.publish("TOPICO_h_joao_2", String(data2.humidity).c_str());
    Serial.println("Sensor 2 - Temp: " + String(data2.temperature, 2) + "°C, Humidity: " + String(data2.humidity, 1) + "%");
  }

  // Verificação para o Sensor 3
  if (isnan(data3.temperature) || isnan(data3.humidity)) {
    Serial.println("Failed to read from DHT sensor 3!");
  } else {
    client.publish("TOPICO_t_joao_3", String(data3.temperature).c_str());
    client.publish("TOPICO_h_joao_3", String(data3.humidity).c_str());
    Serial.println("Sensor 3 - Temp: " + String(data3.temperature, 2) + "°C, Humidity: " + String(data3.humidity, 1) + "%");
  }

  Serial.println("---");
  delay(2000);
}

void loop() {
  reconnect();
  envio_temp();
}