#include "DHT.h"
#include <HTTPClient.h>
#include <WiFi.h>
#include <UrlEncode.h>

const int DHT_PIN = 15; 
DHT dht(DHT_PIN, DHT22);

String apiKey = "9205800";
String phoneNumber = "212634653426";

const char* ssid = "Wokwi-GUEST";
const char* password = "";

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

  WiFi.begin(ssid, password);
  Serial.print("Connection en cours");

  while(WiFi.status() != WL_CONNECTED){
    Serial.print(".");
    delay(100);
  }
  Serial.println("\nConnecte");
}

void loop() {

   float hum = dht.readHumidity();
   float temp = dht.readTemperature(); 
   String msg = "";

    if (isnan(hum) || isnan(temp)  ){
      Serial.println(F("Failed to read from DHT sensor!"));
    }else{

      String Temp = "Temperature : "+String(temp)+" C";
      String Hum =  "Humidite : "+String(hum)+" %";
      msg = Temp+"\n"+Hum;

      String url = "https://api.callmebot.com/whatsapp.php?phone="+phoneNumber+"&text="+urlEncode(msg)+"&apikey="+apiKey;
      
      HTTPClient http;

      http.begin(url);

      http.addHeader("Content-Type", "application/x-www-form-urlencoded");

      int code = http.POST(url);

      http.end();

      if(code == 200){
        Serial.println("Envoie avec succes");
      }else{
        Serial.println("Erreur dans l'envoie a L'API");
      }
    }
  
  delay(10000);
}