#include "DHTesp32.h"
#include <WiFi.h>
#include <HTTPClient.h>
#include <ArduinoJson.h>

const char* ssid = "Wokwi-GUEST";
const char* password = "";
String payload;
const char* server = "http://api.thingspeak.com/update?";
String myApikey = "RF2I2DP1SBD6GP5U";
const int DHT_PIN = 23;
float temperature;
 float humidity;
DHTesp capteur;

void setup() {

  Serial.begin(115200);
  capteur.setup(DHT_PIN, DHTesp::DHT22);
  WiFi.begin(ssid, password);

  Serial.print("Connecting to WiFi");
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }

  Serial.print("OK! IP=");
  Serial.println(WiFi.localIP());

  Serial.print("Fetching ");
  Serial.println(server);
}

void loop() {
  WiFiClient client;

    HTTPClient http;
    String jsonfile;
    temperature =  capteur.getTempAndHumidity().temperature;
    humidity =  capteur.getTempAndHumidity().humidity;
    Serial.print("temperature=");
    Serial.println(temperature);
    Serial.print("humidity=");
    Serial.println(humidity);


      // 
     
     DynamicJsonDocument doc(128);
     doc["api_key"] = myApikey;
     doc["field1"] = String(temperature);
     doc["field2"] = String(humidity);
     serializeJson(doc, jsonfile);


     Serial.println(jsonfile);
         Serial.print("[HTTP] begin...\n");
     http.begin(client, server);   // HTTP
            
    Serial.print("[HTTP] POST...\n");
     //http.addHeader("Accept", "application/json");
     http.addHeader("Content-Type", "application/json");
    int httpResponseCode = http.POST(jsonfile); 
      // httpCode will be negative on error
      if (httpResponseCode > 0) {
        // HTTP header has been send and Server response header has been handled
        Serial.printf("[HTTP] POST... code: %d\n", httpResponseCode);

        // file found at server
        if (httpResponseCode == HTTP_CODE_OK || httpResponseCode == HTTP_CODE_MOVED_PERMANENTLY) {
         
         //String payload = http.getString();
       // Serial.println(payload);
            }
      } else {
        Serial.printf("[HTTP] POST... failed, error: %s\n", http.errorToString(httpResponseCode).c_str());
      }

      http.end();
   

  delay(10000);
}