/**
   ESP32 + DHT22 + ThingSpeak Example using Wokwi
*/

#include <WiFi.h>
#include "DHTesp.h"
#include "ThingSpeak.h"

const int DHT_PIN = 15; // capteur DHT22 Pin GPIO 
const char* WIFI_NAME = "Wokwi-GUEST"; 
const char* WIFI_PASSWORD = ""; 
//id de la chaine thingspeak
const int myChannelNumber = 2575016;
//clef de lecture 
const char *myApiKey = "7HBNCV482PV7QAMO";
const char* server = "api.thingspeak.com"; // ThingSpeak server address

// Create une instance de lq biblioteque DHTesp 
DHTesp dhtSensor; 
//objet representant le client wifi
WiFiClient client; 

void setup() {
  // Initialiser la communication serie avec 15200 baud ratio
  Serial.begin(115200);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22); // initialiser le capteur DHT22 
  WiFi.begin(WIFI_NAME, WIFI_PASSWORD); // Connection au reseau wifi
  while (WiFi.status() != WL_CONNECTED){
    delay(1000);
    Serial.println("Wifi connecté"); 
  }
  Serial.println("Wifi non connecté !"); // Print a message if WiFi is connected
  Serial.println("Local IP: " + String(WiFi.localIP())); // Print the local IP address
  WiFi.mode(WIFI_STA); // station mode pour le wifi
  ThingSpeak.begin(client); // Initialiser la bibliotheque ThingSpeak
}

void loop() {
  // Lecture de la temperature a partir du capteur
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();

  data.humidity = 18;
  data.temperature = 30;
  //modifier le champ 1
  ThingSpeak.setField(1,data.temperature);
  //modifier le champ 2
  ThingSpeak.setField(2,data.humidity); 

  //ecrire les donnees sur la chaine thingspeak
  int status = ThingSpeak.writeFields(myChannelNumber,myApiKey); 
  
  Serial.println("Temperature: " + String(data.temperature, 2) + "°C"); 
  Serial.println("Humidité: " + String(data.humidity, 1) + "%HR"); 
  //statut de reponse HTTP
  if(status == 200){
    Serial.println("Donnees envoyees avec succes"); 
  }else{
    Serial.println("Erreur d'envoi" + String(status)); 
  }
  Serial.println("---"); 

  delay(10000); // Delay for 10 seconds
}