/*
Seppe Foulon 6 5MTR
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*/

//Definieren van variabelen
int led_juist_1 = 7;
int led_juist_2 = 8;
int led_juist_3 = 9;
int led_juist_4 = 10;
int led_fout = 6;

int buzzer = 11;
int nummer=0; 
int priemgetal=0;
int dummy=0;

void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);//we zetten de seriele monitor aan
pinMode(led_juist_1,OUTPUT);
pinMode(led_juist_2,OUTPUT);
pinMode(led_juist_3,OUTPUT);
pinMode(led_juist_4,OUTPUT);
pinMode(led_fout,OUTPUT);
pinMode(buzzer,OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
Serial.println("Voer een getal in:");
  while (!Serial.available()){
  }
nummer = Serial.parseInt();
dummy=Serial.read();
for(int i=0;i<1;i++){
is_priemgetal(nummer);
}
if(priemgetal==1){
  Serial.print(nummer);
  Serial.println(" is een priemgetal.");
  priemgetal_juist();
  delay(1000);

}
else if(priemgetal== 0){
  Serial.print(nummer);
  Serial.println(" is geen priemgetal.");
  for(int s=0;s<5;s++){
    digitalWrite(led_fout, HIGH);
    delay(250);
    digitalWrite(led_fout,LOW);
    delay(250);
  }
}
}

void is_priemgetal(int nummer){
  for (int i = 2; i <= sqrt(nummer); i++) {
      if (nummer % i == 0) {
        priemgetal = 0;
      }
      else if(nummer <=1){
        priemgetal = 0;
      }
      else{
        priemgetal = 1;
      }
  }
}

void priemgetal_juist() {
  // Speel de eerste toon
  tone(buzzer, 440, 200);
  digitalWrite(led_juist_1, HIGH);
  delay(25);
  digitalWrite(led_juist_2, HIGH);
  delay(25);
  digitalWrite(led_juist_3, LOW);
  delay(25);
  digitalWrite(led_juist_4, HIGH);
  delay(250);

  lampen_reset();

  // Speel de tweede toon
  tone(buzzer, 880, 200);
  digitalWrite(led_juist_1, HIGH);
  delay(25);
  digitalWrite(led_juist_2, LOW);
  delay(25);
  digitalWrite(led_juist_3, HIGH);
  delay(25);
  digitalWrite(led_juist_4, LOW);
  delay(500);

  lampen_reset();

  // Speel de derde toon
  tone(buzzer, 1760, 300);
  digitalWrite(led_juist_1, LOW);
  delay(25);
  digitalWrite(led_juist_2, LOW);
  delay(25);
  digitalWrite(led_juist_3, HIGH);
  delay(25);
  digitalWrite(led_juist_4, LOW);
  delay(500);

  lampen_reset();

  // Speel de vierde toon
  tone(buzzer, 2030, 400);
  digitalWrite(led_juist_4, HIGH);
  delay(25);
  digitalWrite(led_juist_3, HIGH);
  delay(25);
  digitalWrite(led_juist_2, HIGH);
  delay(25);
  digitalWrite(led_juist_1, HIGH);
  delay(500);

  lampen_reset();

  // Speel de vijfde toon
  tone(buzzer, 2830, 400);
  digitalWrite(led_juist_1, HIGH);
  delay(25);
  digitalWrite(led_juist_2, LOW);
  delay(25);
  digitalWrite(led_juist_3, LOW);
  delay(25);
  digitalWrite(led_juist_4, HIGH);
  delay(500);

  lampen_reset();
}

void lampen_reset(){
  //reset lampen
  digitalWrite(led_juist_1, LOW);
  delay(25);
  digitalWrite(led_juist_2, LOW);
  delay(25);
  digitalWrite(led_juist_3, LOW);
  delay(25);
  digitalWrite(led_juist_4, LOW);
}