#include <Arduino_JSON.h>
#include <WiFi.h>
#include <MQTT.h>

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

WiFiClient net;
MQTTClient client;

unsigned long lastMillis = 0;

void connect() {
  Serial.print("checking wifi...");
  while (WiFi.status() != WL_CONNECTED) {
    Serial.print(".");
    delay(1000);
  }

  Serial.print("\nconnecting...");
  while (!client.connect("esp32ku", "alatsena", "aUlAPnAPteOEGJ7m")) {
    Serial.print(".");
    delay(1000);
  }

  Serial.println("\nconnected!");

  client.subscribe("smarthome/lampu1");
  client.subscribe("smarthome/lampu2");
  client.subscribe("smarthome/lampu3");
  client.subscribe("smarthome/lampu4");

  //client.unsubscribe("smarthome/lampu1");
  //client.unsubscribe("smarthome/lampu2");
  //client.unsubscribe("smarthome/lampu3");
  //client.unsubscribe("smarthome/lampu4");
}

// Kontrol
void messageReceived(String &topic, String &payload) {
  if (topic == "smarthome/lampu1") {
    if (payload == "1") {
      Serial.println("Lampu 1 Nyala");
    } else {
      Serial.println("Lampu 1 Mati");
    }
  }

  if (topic == "smarthome/lampu2") {
    if (payload == "1") {
      Serial.println("Lampu 2 Nyala");
    } else {
      Serial.println("Lampu 2 Mati");
    }
  }

  if (topic == "smarthome/lampu3") {
    if (payload == "1") {
      Serial.println("Lampu 3 Nyala");
    } else {
      Serial.println("Lampu 3 Mati");
    }
  }

  if (topic == "smarthome/lampu4") {
    if (payload == "1") {
      Serial.println("Lampu 4 Nyala");
    } else {
      Serial.println("Lampu 4 Mati");
    }
  }
  
  Serial.println(topic + ": " + payload);
}

void setup() {
  Serial.begin(115200);



  // start wifi and mqtt
  WiFi.begin(ssid, pass);
  client.begin("alatsena.cloud.shiftr.io", net);
  client.onMessage(messageReceived);

  connect();
}

String kalimat()
{
   // Membuat objek JSON
  JSONVar obj;
  
  // Menambahkan data ke objek JSON
  obj["nama"] = "Sena Achmad";
  obj["umur"] = 40;
  obj["alamat"] = "Jl. Pamoyanan Ciwidey";

  return JSON.stringify(obj);
}

void loop() {
  client.loop();
  delay(10);

  // check if connected
  if (!client.connected()) {
    connect();
  }

  // Pemantauan
  // publish a message roughly every second.
  if (millis() - lastMillis > 2000) {
    lastMillis = millis();
    client.publish("smarthome/testjson", kalimat());
  }
}