#include <Arduino.h>
#include <WiFi.h>
#include <ThingSpeak.h>
#include <ESP32Servo.h>
 const char* ssid = "Wokwi-GUEST";
 const char* password ="";

void wifiConnect() {
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED)
  {
    delay (500);
    Serial.print (".");
  }
  Serial.println(" Connected!");
}
const unsigned long channelId = 2326055;
const char* writeAPIKey = "I69NS429DJAZVT4G";
const char* readAPIKey = "SIBX35TA7U9Y3UNC";
WiFiClient client;


class Communication {
public:
    virtual void sendData(const String& data) = 0;
    virtual int readData() = 0;
    virtual void receivedData() = 0;
};

class SerialCommunication : public Communication {
public:
    SerialCommunication();
    ~SerialCommunication();
    void sendData(const String& data) override;
    int readData();
    void receivedData();
};

SerialCommunication::SerialCommunication() {
    Serial.begin(9600);
}

SerialCommunication::~SerialCommunication() {
    Serial.end();
}
 
void SerialCommunication::sendData(const String& data) {
    Serial.println("sending data to ESP32-C3: " + data);
    int ret = ThingSpeak.writeField(channelId, 1, data, writeAPIKey);
 
  if (ret == 200) {
    Serial.println("Successful");
  } else {
    Serial.println("Error");
  }
  receivedData();
}

int SerialCommunication::readData(){
if (Serial.available()) {
        String userInput = Serial.readStringUntil('\n');
        sendData(userInput);
        return 1;
    }
    return 0;
}
void SerialCommunication::receivedData(){
 String receivedString = ThingSpeak.readStringField(channelId, 1, readAPIKey);
  Serial.println("Received String: " + receivedString);
}
void setup ( )
{
  Serial.begin(9600);
  Serial.print("Connecting to WiFi");
  wifiConnect();
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());
  ThingSpeak.begin(client);
}
void loop() {
  SerialCommunication esp32Serial;
    
    if(Serial.available()){
    esp32Serial.readData();
    

    }

    delay(1000);
}