#include <WiFi.h>
#include <HTTPClient.h>
#include <ArduinoJson.h>
#include <PubSubClient.h>

const char* ssid = "Wokwi-GUEST";
const char* password = "";
const char* server = "mqtt.beebotte.com";
const int mqttPort = 1883;
WiFiClient client;
PubSubClient mqttClient(client);

void setup() {
  Serial.begin(115200);
  pinMode(23, OUTPUT);

  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to WiFi...");
  }
  Serial.println("Connected to WiFi");
  
  mqttClient.setServer(server, mqttPort);
} 

void callback(char* topic, byte* payload, unsigned int length) {
  StaticJsonDocument<200> doc;
  deserializeJson(doc, payload, length);
  boolean etat = doc["data"];
  digitalWrite(23, etat);
}

void loop() {
  if (!mqttClient.connected()) {
    Serial.println("Connecting to MQTT server...");
    if (mqttClient.connect("projet", "token_Py10HzPLGQ7Z1Y8s", "")) {
      mqttClient.subscribe("projet/ledrouge");
      mqttClient.setCallback(callback);
    }
  }
  mqttClient.loop();
}