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

const String SSID = "Wokwi-GUEST";
const String PW = "";

const String BASE_URL = "http://api.thingspeak.com/channels/2306668/feeds.json?api_key=######&results=2";

WiFiClient wifi;
HTTPClient http;

StaticJsonDocument<1024> receiveDoc;

void setup() {
  Serial.begin(115200);
  while (!Serial) continue;
  Serial.println();
  Serial.print("Started. Connecting...");

  WiFi.begin(SSID.c_str(), PW.c_str());
  while (WiFi.status() != WL_CONNECTED) {
    Serial.print(".");
    delay(500);
  }

  Serial.println(" Connected. Finishing setup...");

  http.begin(wifi, BASE_URL);

  Serial.println("Setup done.");
}

void loop() {
  Serial.println();
  Serial.println("Fetching " + BASE_URL);

  int status = http.GET();
  if (status == 200) {
    String payload = http.getString();
    deserializeJson(receiveDoc, payload);

    float temperature = receiveDoc["feeds"][1]["field1"];
    float humidity = receiveDoc["feeds"][1]["field2"];
    int analog = receiveDoc["feeds"][1]["field3"];
    int other = receiveDoc["feeds"][1]["field4"];
    String date = receiveDoc["feeds"][1]["created_at"];
    long id = receiveDoc["feeds"][1]["entry_id"];

    Serial.println("Success. Latest results:");
    Serial.println("\tTemperature: \t" + String(temperature) + "⁰C");
    Serial.println("\tHumidity: \t" + String(humidity) + "%");
    Serial.println("\tAnalog: \t" + String(analog));
    Serial.println("\tOther: \t\t" + String(other));
    Serial.println("\tAt: \t\t" + date);
    Serial.println("\tID: \t\t" + String(id));

  } else if (status > 0) {
    Serial.println("Status: " + String(status) + ". Payload:");
    Serial.println(http.getString());
  } else {
    Serial.println("Error: " + String(status));
  }

  delay(5000);
}