#include <WiFi.h>
#include "ThingSpeak.h"

WiFiClient client;

// Wi-Fi credentials
const char* WIFI_NAME = "Wokwi-GUEST";
const char* WIFI_PASSWORD = " ";

// ThingSpeak channel information
const int myChannelNumber = 2598327; 
const char* writeApiKey = "VMW4VM19W2IOCZNZ"; 

// GPIO Pin configuration
const int playButtonPin = 15;
const int pauseButtonPin = 12;
const int skipButtonPin = 14;
const int statusLedPin = 21;

// Music player states
bool isPlaying = false;

void setup() {
  Serial.begin(115200);
  
  // Initialize GPIO pins
  pinMode(playButtonPin, INPUT_PULLUP);
  pinMode(pauseButtonPin, INPUT_PULLUP);
  pinMode(skipButtonPin, INPUT_PULLUP);
  pinMode(statusLedPin, OUTPUT);

  // Connect to Wi-Fi
  WiFi.begin("Wokwi-GUEST", "", 6);
  while (WiFi.status() != WL_CONNECTED) {
    delay(100);
    Serial.print(".");
  }
  Serial.println("WiFi connected!");
  Serial.print("Local IP: ");
  Serial.println(WiFi.localIP());

  // Initialize ThingSpeak
  ThingSpeak.begin(client);
}

void loop() {
  if (digitalRead(playButtonPin) == HIGH) {
    playMusic();
     
  } else if (digitalRead(pauseButtonPin) == HIGH) {
    pauseMusic();
    
  } else if (digitalRead(skipButtonPin) == HIGH) {
    skipTrack();
    
  }
  
  delay(10000);
}

void playMusic() {
  isPlaying = true;
  digitalWrite(statusLedPin, HIGH); // Turn on status LED
  updateThingSpeak();
  Serial.println("Music playing...");
}

void pauseMusic() {
  isPlaying = false;
  digitalWrite(statusLedPin, LOW); // Turn off status LED
  updateThingSpeak();
  Serial.println("Music paused.");
}

void skipTrack() {
  updateThingSpeak();
  Serial.println("Track skipped.");
}

void updateThingSpeak() {
  if (WiFi.status() == WL_CONNECTED) {
    // Write player state to ThingSpeak
    int playingState = isPlaying ? 1 : 0;
    ThingSpeak.setField(1, playingState);
    int status = ThingSpeak.writeFields(myChannelNumber, writeApiKey);
    if (status == 200) {
      Serial.println("Data sent to ThingSpeak successfully");
    } else {
      Serial.println("Failed to send data to ThingSpeak");
    }
    delay(5000); // Added delay to ensure ThingSpeak has enough time to update
  }
}