// Elton Spektor 60-223

const int onSwitch = 10;
int switchRead = 0;

const int potRead = 1;
int potValue = 0;
int currentState = 0;

const int LED1 = 3;
const int LED2 = 5;
const int LED3 = 6;

void setup() {
  pinMode(potRead, INPUT);
  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
  pinMode(LED3, OUTPUT);
  Serial.begin(115200);
}

void loop() {
  switchRead = digitalRead(onSwitch);
  if (switchRead == HIGH) {
    potValue = analogRead(potRead);
    if (potValue < 250) {
      currentState = 1;
    }
    if (potValue > 250 && potValue < 500) {
      currentState = 2;
    }
    if (potValue > 500 && potValue < 750) {
      currentState = 3;
    }
    if (potValue > 750) {
      currentState = 4;
    }
    Serial.println(currentState);
    switch (currentState) {
      case 1:
        digitalWrite(LED1, HIGH);
        delay(300);
        digitalWrite(LED1, LOW);
        digitalWrite(LED2, HIGH);
        delay(300);
        digitalWrite(LED2, LOW);
        digitalWrite(LED3, HIGH);
        delay(300);
        digitalWrite(LED3, LOW);
        break;
      case 2:
        digitalWrite(LED3, HIGH);
        delay(300);
        digitalWrite(LED3, LOW);
        digitalWrite(LED2, HIGH);
        delay(300);
        digitalWrite(LED2, LOW);
        digitalWrite(LED1, HIGH);
        delay(300);
        digitalWrite(LED1, LOW);
        break;
      case 3:
        digitalWrite(LED1, HIGH);
        digitalWrite(LED3, HIGH);
        delay(300);
        digitalWrite(LED1, LOW);
        digitalWrite(LED3, LOW);
        digitalWrite(LED2, HIGH);
        delay(300);
        digitalWrite(LED2, LOW);
        break;
      case 4:
        digitalWrite(LED1, HIGH);
        digitalWrite(LED2, HIGH);
        digitalWrite(LED3, HIGH);
        delay(100);
        digitalWrite(LED1, LOW);
        digitalWrite(LED2, LOW);
        digitalWrite(LED3, LOW);
        delay(50);
        digitalWrite(LED1, HIGH);
        digitalWrite(LED2, HIGH);
        digitalWrite(LED3, HIGH);
        delay(100);
        digitalWrite(LED1, LOW);
        digitalWrite(LED2, LOW);
        digitalWrite(LED3, LOW);
        delay(800);
        break;
    }
  }
  else {
    analogWrite(LED1, 0);
    analogWrite(LED2, 0);
    analogWrite(LED3, 0);
  }
}