//# Professor Cristiano Teixeira
//# Mudanças do original Sob Licença Apache 2.0

#include <WiFi.h>
#include <PubSubClient.h>
#include "DHTesp.h"
#include "HX711.h"
// WiFi
const char* ssid = "Wokwi-GUEST";
const char* password = "";
// MQTT
const char* mqtt_server = "broker.hivemq.com";
WiFiClient espClient;
PubSubClient client(espClient);
// DHT22
#define DHT_PIN 15
DHTesp dht;
// PIR
#define PIR_PIN 13
// HX
HX711 scale;

// MQTT Reconnect
void reconnect() {
  while (!client.connected()) {
    Serial.print("Conectando ao MQTT...");
    if (client.connect("Aula_SEI_2026")) {
      Serial.println("Conectado com Sucesso");
    } else {
      Serial.println("Desconectado");
      delay(2000);
    }
  }
}

void setup() {
  Serial.begin(115200);
  // DHT22
  dht.setup(DHT_PIN, DHTesp::DHT22);
  // PIR
  pinMode(PIR_PIN, INPUT);
  //HX Mudar as portas
   scale.begin(19, 18);
  // WiFi
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("");
  Serial.println("WiFi conectado!");
  // MQTT
  client.setServer(mqtt_server, 1883);
}

void loop() {

  // MQTT reconect
  if (!client.connected()) {
    reconnect();
  }
  client.loop();
  // Faço todas as leituras
  TempAndHumidity data = dht.getTempAndHumidity();
  String temp = String(data.temperature, 2);
  String hum = String(data.humidity, 1);
  String massa = String(scale.get_units()/409.6);
  bool motion = digitalRead(PIR_PIN);
  String move = String(motion);
  

  //client.publish("/SEI/temp", temp.c_str());
  //client.publish("/SEI/hum", hum.c_str());
  Serial.println("Temperatura : " + temp + "C");
  Serial.println("Umidade : " + hum);
 //client.publish("/SEI/presenca", "Presenca" + move.c_str());
  Serial.println("Presenca: "+ move);
  //client.publish("/SEI/massa", massa.c_str());
  Serial.println("Massa: "+ massa);


  delay(3000);
}