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

#define DHT_PIN 18    // Pin DHT22 terhubung ke pin 18

const char ssid[] = "Wokwi-GUEST";
const char pass[] = "";

const char *mqttServer = "re7b34eb.ala.us-east-1.emqxsl.com";
const char *topic_aktuator = "monitoring/aktuator/servo";
const char *topic_suhu = "monitoring/sensor/suhu";
const char *topic_kelembapan = "monitoring/sensor/kelembapan";
// const char *topic_servo = "monitoring/aktuator";
const char *mqtt_username = "Mikon21";
const char *mqtt_password = "Mikon21";
int port = 8883;

float temperature, humidity;

unsigned long lastTime = 0;
unsigned long intervalTime = 1000;
int i=0;

static const char *root_ca PROGMEM = R"EOF(
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
)EOF";

WiFiClientSecure espClient;
PubSubClient client(espClient);
DHTesp dht;

void setup() {
  Serial.begin(115200);
  wifi_init();
  mqtt_init();
  dht_init();
}

void loop() {
  client.loop();
  if (!client.connected()) {
    mqtt_init();
  }
  send_data();
  
}

void wifi_init() {
  Serial.print("Connecting to WiFi");
  WiFi.begin(ssid, pass, 6);
  while (WiFi.status() != WL_CONNECTED) {
    delay(100);
    Serial.print(".");
  }
  Serial.println(" Connected!");
}

void mqtt_init() {
  espClient.setCACert(root_ca);
  client.setServer(mqttServer, port);
  while (!client.connected()) {
    String client_id = "sensor-dht-1";
    client_id += String(WiFi.macAddress());
    Serial.printf("The client %s connects to the public MQTT broker\n", client_id.c_str());
    if (client.connect(client_id.c_str(), mqtt_username, mqtt_password)) {
      Serial.println("Public EMQX MQTT broker connected");
      client.subscribe(topic_suhu,2);
      client.subscribe(topic_kelembapan);
      // client.subscribe(topic_servo);
    } else {
      Serial.print("failed with state ");
      Serial.print(client.state());
      delay(2000);
    }
  }
}
void send_data(){
  if (i==0){
      send_data_suhu();
  } else if(i==1){
    send_data_kelembapan();
  } else if (i==2){
    send_data_aktuator();
  }

  
}
void send_data_suhu() {
  if ((millis() - lastTime) > intervalTime) {
    if (!client.connected()) {
      mqtt_init();
    }
    dht_suhu_read();
    // dht_kelembaban_read();
    JSONVar dataObject;
    dataObject["temperature"] = temperature;
    // dataObject["humidity"] = humidity;

    String sData = JSON.stringify(dataObject);

    client.publish(topic_suhu, sData.c_str());
    // client.publish(topic_kelembaban, sData.c_str());
    i++;
    lastTime = millis();
  }
}

void send_data_kelembapan() {
  if ((millis() - lastTime) > intervalTime) {
    if (!client.connected()) {
      mqtt_init();
    }
    // dht_suhu_read();
    dht_kelembaban_read();
    JSONVar dataObject;
    // dataObject["temperature"] = temperature;
    dataObject["humidity"] = humidity;

    String sData = JSON.stringify(dataObject);

    // client.publish(topic_suhu, sData.c_str());
    client.publish(topic_kelembapan, sData.c_str());
    i++;
    lastTime = millis();
  }
}
void send_data_aktuator() {
  if ((millis() - lastTime) > intervalTime) {
    if (!client.connected()) {
      mqtt_init();
    }
    dht_suhu_read();
    dht_kelembaban_read();
    JSONVar dataObject;
    dataObject["temperature"] = temperature;
    dataObject["humidity"] = humidity;

    String sData = JSON.stringify(dataObject);

    client.publish(topic_aktuator, sData.c_str());
    i=0;
    lastTime = millis();
  }
}
void dht_init() {
  dht.setup(DHT_PIN, DHTesp::DHT22);
}

void dht_suhu_read() {
  TempAndHumidity data = dht.getTempAndHumidity();
  temperature = data.temperature;
  humidity = data.humidity;
  Serial.println("Temperature: ");
  Serial.println(temperature);
}
void dht_kelembaban_read() {
  TempAndHumidity data = dht.getTempAndHumidity();
  temperature = data.temperature;
  humidity = data.humidity;
  Serial.println("Kelembaban: ");
  Serial.println(humidity);
}

//Bayu Sutra
//IoT-1