#include <IRremote.h>

// LED Lights
int LED4 = 2, LED3 = 3, LED2 = 4, LED1 = 5;
// RGB
int R=8,G=7,B=6;
// recieve Pin of IR Sensor
const int recievePin=9;
IRrecv irrecv(recievePin);
decode_results results;


int count = 0;




void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);

  // Setting PinModes for LED 
  for(int i=2; i<9; i++){
    pinMode(i, OUTPUT);
    Serial.print("setting pin");
    Serial.println(i);
  }

  irrecv.begin(recievePin, LED_BUILTIN);

  Serial.print("Ready to receive IR signals of protocols: ");
  printActiveIRProtocols(&Serial);
  setColor(0,0,0);
}

void loop() {

  remoteRecieve();
  setCount(count);

  Serial.println("Count : " + String(count));



}


void setCount(int c){
    // Maybe use a small agorithm 
    // digital write (n,high)
    // digital write (n+1,Low)
   switch (c) {
    case 0:
      digitalWrite(LED1, 0);
      break;
    case 1:
      digitalWrite(LED1, 1);
      digitalWrite(LED2, LOW);
      break;
    case 2:
      digitalWrite(LED2, HIGH);
      digitalWrite(LED3, LOW);
      break;
    case 3:
      digitalWrite(LED3, HIGH);
      digitalWrite(LED4, LOW);
      break;
    case 4:
      digitalWrite(LED4, HIGH); 
      setColor(0,0,0);
      break;
    case 5:
      setColor(0,0,255);//3rd Color
      break;
    case 6:
      setColor(0,255,0);//2nd Color
      break;
    case 7:
      setColor(255,0,0);//3rd Color
  }

  // Imput Correction
  if (count>7){
    count=7;
  }
  else if (count<0){
    count=0;
  }
  Serial.println(count);

}

// Remove the Serial Outputs 
void remoteRecieve(){
    if (irrecv.decode()) {
        if (irrecv.decodedIRData.protocol == UNKNOWN) {
            Serial.println(F("Received noise or an unknown (or not yet enabled) protocol"));
            irrecv.printIRResultRawFormatted(&Serial, true);
            irrecv.resume();
        } else {
            irrecv.resume();
            Serial.print("0x");
            Serial.println(irrecv.decodedIRData.decodedRawData, HEX);
        }
        // Serial.println();

        if (irrecv.decodedIRData.decodedRawData == 0xFD02FF00) {
          // If you press + This will print
          Serial.println("Volume Up");
          count++;

        } else if (irrecv.decodedIRData.decodedRawData == 0x6798FF00) {
          // 0x6798FF00
          Serial.println("Volume down");
          count--;
        }

    }

}

void setColor(int red,int green, int blue){
  //Code correction for cathode
  red = abs(255-red);
  blue= abs(255-blue);
  green= abs(255-green);
  
  analogWrite(R, red);
  analogWrite(G,  green);
  analogWrite(B, blue);
}



void check_CMD(int command){
    switch (command)
    {

    case 0xFD02FF00:
        count++;
        break;
    
    default:
        break;
    }
}