#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/channels/1914850/feeds/last.json?api_key=TSI9NTNCKA8Z8FSR";



void setup() {
  
  Serial.begin(115200);
  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.print(server);
 
}

void loop() {
    WiFiClient client;

    HTTPClient http;
    
    Serial.print("[HTTP] begin...\n");
    if (http.begin(client, server)) {  // HTTP
            
    Serial.print("[HTTP] GET...\n");
      // start connection and send HTTP header
    
    int httpResponseCode = http.GET(); 

      // httpCode will be negative on error
      if (httpResponseCode > 0) {
        // HTTP header has been send and Server response header has been handled
        Serial.printf("[HTTP] GET... 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);
                  
         StaticJsonDocument<1024> doc;
        DeserializationError error =deserializeJson(doc,payload);

        if (error) {
         Serial.print("deserializeJson() failed");
          Serial.println(error.c_str());
         return;
            }
Serial.println("........................................................");
   const char* parsedPayload0 = doc["created_at"];
Serial.print("created_at=");  
Serial.println(parsedPayload0);           
  float parsedPayload1 = doc["field1"];
Serial.print("Temperature=");  
Serial.println(parsedPayload1);
 float parsedPayload2 = doc["field2"];
  Serial.print("Humidity="); 
Serial.println(parsedPayload2);
Serial.println("........................................................");
            


        }
      } else {
        Serial.printf("[HTTP] GET... failed, error: %s\n", http.errorToString(httpResponseCode).c_str());
      }

      http.end();
    } else {
      Serial.printf("[HTTP} Unable to connect\n");
    }

  delay(2000);
}