//#include <ESP8266WiFi.h>
#include <WiFi.h>
#include <ArduinoJson.h>
#include <PubSubClient.h>
#include "DHTesp.h" 

 
const char* ssid = "Wokwi-GUEST";
const char* password = "";
String payload;
String channel="LCE3_24_25_G1"; 
String resTemp="Temperature";  const char* topic="devices/esp32_wokwi/messages/events/";
String resHum="hum"; String topic_hum="LCE3_G1/Humidity";
const char* server = "fst2024.azure-devices.net";
const char* ClientID = "esp32_wokwi";
const char* username = "fst2024.azure-devices.net/esp32_wokwi/?api-version=2021-04-12";
const int port = 1883;

WiFiClient client;
PubSubClient clientmqtt(server,1883,client);
DHTesp dht;

void setup() {
  dht.setup(23, DHTesp::DHT22);
  Serial.begin(115200);
  WiFi.begin(ssid, password);
  Serial.print("Connecting to WiFi");
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
clientmqtt.setServer(server,port);
 Serial.println("Server ready");
 
}


void loop() {
    if(!clientmqtt.connected()){
    Serial.println("MQTT not connected");
   // String ClientID="kamel"+String(random(1000));
    clientmqtt.connect(ClientID,username,"2Se0JPLfLKW603EgoBgxq7cbVWt1o0En9hVsHhYpsng=");
    delay(3000);
    Serial.println("MQTT Try to connect");
  }
  else  // client connected
  { Serial.println("MQTT connected");
    float temperature = dht.getTemperature();
    float humidity = dht.getHumidity();
    delay(500);
    Serial.print("La temperature est : ");
    Serial.println(temperature);
    Serial.print("L'humidité est: ");
    Serial.println(humidity);

    String myjsonTemperature="";
    StaticJsonDocument<200> JT;
    //JT["channel"]=channel;
   // JT["resource"]=resTemp;
   // JT["write"]=true;
    JT["temperature"]=temperature;
    serializeJson(JT,myjsonTemperature);
    clientmqtt.publish(topic,myjsonTemperature.c_str());
    Serial.println("Temperature send");
delay(1000);
  
   }
clientmqtt.loop();
delay(8000);
    
}