// C++ code
//
int status = 0;

void setup()
{
  pinMode(2, INPUT);
  pinMode(3, INPUT);
  pinMode(4, INPUT);
  pinMode(5, OUTPUT);
  pinMode(6, OUTPUT);
  pinMode(7, OUTPUT);
  Serial.begin(9600);
}

void loop()
{
  int pattern =0; //1,2,3

  int input1 = digitalRead(2);
  int input2 = digitalRead(3);
  int input3 = digitalRead(4);
  Serial.print("Input1 = ");
  Serial.println(input1);
  Serial.print("Input2 = ");
  Serial.println(input2);
  Serial.print("Input3 = ");
  Serial.println(input3);


  if(input1==HIGH)
  {
    pattern = 1;
  }
  else if(input2==HIGH)
  {
    pattern = 2;
  }
  else if(input3==HIGH)
  {
    pattern = 3;
  }

  if(pattern!=0)
  {
    status=pattern;
  }


  Serial.print("pattern = ");
  Serial.println(pattern);
  Serial.print("status = ");
  Serial.println(status);

  ledDance(status);

}



void ledDance(int p)
{
  switch(p)
  {
    case 1: seqOne(); break;
    case 2: seqTwo(); break;
    case 3: seqThree(); break;
  }
}



void seqOne()
{
  digitalWrite(5,HIGH);
  delay(1000);
  digitalWrite(5,LOW);
  delay(1000);

  digitalWrite(6,HIGH);
  delay(1000);
  digitalWrite(6,LOW);
  delay(1000);

  digitalWrite(7,HIGH);
  delay(1000);
  digitalWrite(7,LOW);
  delay(1000);
}

void seqTwo()
{
  digitalWrite(7,HIGH);
  delay(1000);
  digitalWrite(7,LOW);
  delay(1000);

  digitalWrite(6,HIGH);
  delay(1000);
  digitalWrite(6,LOW);
  delay(1000);

  digitalWrite(5,HIGH);
  delay(1000);
  digitalWrite(5,LOW);
  delay(1000);
}



void seqThree()
{
  seqOne();
  seqTwo();
}