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

const char* ssid = "Wokwi-GUEST";
const char* password = "";
const char* server = "api.thingspeak.com";
const unsigned int channelID = 2491239;
const char* apiKey = "IYFGH0KKSF1QM4B6";

void setup() {
  Serial.begin(115200);
  delay(1000);

  WiFi.begin(ssid, password);
  Serial.print("Connecting to WiFi...");
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("Connected to WiFi!");
}

void loop() {
  WiFiClient client;
  HTTPClient http;

  String url = "http://" + String(server) + "/channels/" + String(channelID) + "/feed/last.json?api_key=" + String(apiKey);
  http.begin(client, url);

  int httpResponseCode = http.GET();
  if (httpResponseCode == HTTP_CODE_OK) {
    String response = http.getString();
    Serial.println("Response from ThingSpeak:");
    Serial.println(response);

    DynamicJsonDocument jsonDoc(1024);
    DeserializationError error = deserializeJson(jsonDoc, response);

    if (error) {
      Serial.print("Error parsing JSON: ");
      Serial.println(error.c_str());
      return;
    }

    int A = jsonDoc["field1"]; // Lecture de la valeur de A
    int B = jsonDoc["field2"]; // Lecture de la valeur de B

    Serial.print("Valeur de A: ");
    Serial.println(A);
    Serial.print("Valeur de B: ");
    Serial.println(B);
  } else {
    Serial.print("Error reading data from ThingSpeak. Error code: ");
    Serial.println(httpResponseCode);
  }

  http.end();

  delay(2000);
}