#include "DHTesp.h"
#include <WiFi.h>
#include <HTTPClient.h>
#include <ArduinoJson.h>
#include <PubSubClient.h>
const char* ssid = "Wokwi-GUEST";
const char* password = "";
String payload;
//secret channel token at Beebotte (https://beebotte.com/)
//const char channelToken[] = "token_Kgaz3zIlO7vPsZvf";
const char channelToken[] = "token_BJuKXbM3FEmeANnM";

// Channel name at Beebotte 
//String channel = "esp82ss";
String channel = "TP2";

// resource name at Beebotte 
String resourcetemp = "temp";
String resourcehum = "hum";

// client ID
const char clientID[] = "";

// The Beebotte server
const char host[] = "mqtt.beebotte.com";
const int DHT_PIN = 23;

float temperature;
float humidity;

DHTesp capteur;
WiFiClient Clientwifi;
PubSubClient clientmqtt(host,1883,Clientwifi);


void setup() {
Serial.begin(115200);
capteur.setup(DHT_PIN, DHTesp::DHT22);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
    Serial.print(".");
 }

}

void loop() {
  if (! clientmqtt.connected()) {
    Serial.println("MQTT NOT connected");
    delay(5000);
     String username = "token:";
    username += channelToken;
    Serial.print("username=");Serial.println(username.c_str());
    clientmqtt.connect(clientID, username.c_str(),NULL);
  Serial.println("MQTT connected");
  }
    else { // Client connected
      Serial.println("MQTT connected");
      delay(1000);
      temperature = capteur.getTemperature();
      humidity = capteur.getHumidity();
      Serial.print("Temperature: "); Serial.println(temperature);
      Serial.print("Humidity (%): "); Serial.println(humidity);
      publishdata(temperature, resourcetemp);
      publishdata(humidity, resourcehum);

      Serial.println("MQTT DATA sent");
        }
  clientmqtt.loop();  

  Serial.println();
    delay(8000);
}



void publishdata (float t, String res){

    String d;
    StaticJsonDocument <1024> T;
    T["channel"]= channel;
    T["resource"]= res; 
    T["write"]= true; 
    T["data"]= t; 
    serializeJson (T, d);
    String top = channel + "/" + res;

    const char * topic= top.c_str();
    const char * data= d.c_str();

    clientmqtt.publish(topic,data );

    }