//Dayssy Acuahuitl Arduino 4 Problem 5 (Lauren B helped me)

#define LED_red 12
#define LED_yellow 11
#define LED_green 10
#define PUSH_but 2

void setup() {
pinMode(LED_red, OUTPUT);
pinMode(LED_yellow, OUTPUT);
pinMode(LED_green, OUTPUT);
pinMode(PUSH_but, INPUT);
digitalWrite(LED_red, LOW);
digitalWrite(LED_yellow, LOW);
digitalWrite(LED_green, LOW);
}

void loop() {
if (digitalRead(PUSH_but)==LOW){
ButtonUnpressed();
Flash;
}

else{
ButtonPressed();
Flash;
}
}

void ButtonUnpressed(){
Red();
Yellow();
Green();
}

void Red(){
  digitalWrite(LED_red,HIGH);
  delay(500);
  digitalWrite(LED_red, LOW);
  delay(500);
}

void Yellow(){
  digitalWrite(LED_yellow,HIGH);
  delay(500);
  digitalWrite(LED_yellow,LOW);
  delay(500);
}

void Green(){
  digitalWrite(LED_green, HIGH);
  delay(500);
  digitalWrite(LED_green, LOW);
  delay(500);
}

void ButtonPressed(){
  digitalWrite(LED_red, HIGH);
  digitalWrite(LED_yellow, HIGH);
  digitalWrite(LED_green, HIGH);
  delay(3000);
  digitalWrite(LED_red, LOW);
  digitalWrite(LED_yellow, LOW);
  digitalWrite(LED_green, LOW);
  delay(500);
}

void Flash(){
  for(int i=0; i<3; i++){
    digitalWrite(LED_red, HIGH);
    digitalWrite(LED_yellow, HIGH);
    digitalWrite(LED_green, HIGH);
    delay(500);
    digitalWrite(LED_red, LOW);
    digitalWrite(LED_yellow, LOW);
    digitalWrite(LED_green, LOW);
    delay(500);
  }
}