// Kayla Frost
// 300390878
// Arduino Final Project Phase 1
// Nov. 7, 2025

// This snippet tests that the single digit 7-segment display can keep track of the numbers of game rounds the player has played

// define pins for each of the LEDs in the 7-segment display
const int B = 13;
const int A = 12;
const int F = 11;
const int G = 10;
const int E = 9;
const int D = 8;
const int C = 7;
const int MAX_ROUNDS = 9;//maximum round number possible that the single digit display can show
int roundNum = 0; // round number

void setup() {
  // put your setup code here, to run once:

  // let each LED in display be an output and turn it off initially
  for(int x = 7; x <= 13; x++) //LED pins go from 7-13
  {
    pinMode(x, OUTPUT);
    digitalWrite(x, LOW);
  }

  // print announcement of the game beginning
  delay(1000);
  Serial.begin(9600);
  Serial.println("\n\nGAME BEGINS\n\n");
  delay(4000);

  roundNum = 1; // intially begin at round 1

}

void loop() {
  // put your main code here, to run repeatedly:

  // below, HIGH turns LED on and LOW turns LED off

  if(roundNum == 1) // if it is round 1
  {
    // display number 1
    digitalWrite(A, LOW);
    digitalWrite(B, HIGH);
    digitalWrite(C, HIGH);
    digitalWrite(D, LOW);
    digitalWrite(E, LOW);
    digitalWrite(F, LOW);
    digitalWrite(G, LOW);
  }
  else if(roundNum == 2) // else if it is round 2
  {
    // display number 2
    digitalWrite(A, HIGH);
    digitalWrite(B, HIGH);
    digitalWrite(C, LOW);
    digitalWrite(D, HIGH);
    digitalWrite(E, HIGH);
    digitalWrite(F, LOW);
    digitalWrite(G, HIGH);
  }
  else if(roundNum == 3) // else if it is round 3
  {
    // display number 3
    digitalWrite(A, HIGH);
    digitalWrite(B, HIGH);
    digitalWrite(C, HIGH);
    digitalWrite(D, HIGH);
    digitalWrite(E, LOW);
    digitalWrite(F, LOW);
    digitalWrite(G, HIGH);
  }
  else if(roundNum == 4) // else if it is round 4
  {
    // display number 4
    digitalWrite(A, LOW);
    digitalWrite(B, HIGH);
    digitalWrite(C, HIGH);
    digitalWrite(D, LOW);
    digitalWrite(E, LOW);
    digitalWrite(F, HIGH);
    digitalWrite(G, HIGH);
  }
  else if(roundNum == 5) // else if it is round 5
  {
      // display number 5
    digitalWrite(A, HIGH);
    digitalWrite(B, LOW);
    digitalWrite(C, HIGH);
    digitalWrite(D, HIGH);
    digitalWrite(E, LOW);
    digitalWrite(F, HIGH);
    digitalWrite(G, HIGH);
  }
  else if(roundNum == 6) // else if it is round 6
  {
    // display number 6
    digitalWrite(A, HIGH);
    digitalWrite(B, LOW);
    digitalWrite(C, HIGH);
    digitalWrite(D, HIGH);
    digitalWrite(E, HIGH);
    digitalWrite(F, HIGH);
    digitalWrite(G, HIGH);
  }
  else if(roundNum == 7) // else if it is round 7
  {
    // display number 7
    digitalWrite(A, HIGH);
    digitalWrite(B, HIGH);
    digitalWrite(C, HIGH);
    digitalWrite(D, LOW);
    digitalWrite(E, LOW);
    digitalWrite(F, LOW);
    digitalWrite(G, LOW);
  }
  else if(roundNum == 8) // else if it is round 8
  {
    // display number 8
    digitalWrite(A, HIGH);
    digitalWrite(B, HIGH);
    digitalWrite(C, HIGH);
    digitalWrite(D, HIGH);
    digitalWrite(E, HIGH);
    digitalWrite(F, HIGH);
    digitalWrite(G, HIGH);
  }
  else if(roundNum == 9) // else if it is round 9
  {
    // display number 9
    digitalWrite(A, HIGH);
    digitalWrite(B, HIGH);
    digitalWrite(C, HIGH);
    digitalWrite(D, HIGH);
    digitalWrite(E, LOW);
    digitalWrite(F, HIGH);
    digitalWrite(G, HIGH);
  }
  else if (roundNum == MAX_ROUNDS + 1) // else if it is round 10 (which doesn't exist)
  {
    // print "end game to mimic the game ending in 9 successful rounds"
    Serial.println("END GAME - WINNER!");
    
    while(roundNum == MAX_ROUNDS + 1) // while game is over
    {
      // blink number 9
      digitalWrite(A, LOW);
      digitalWrite(B, LOW);
      digitalWrite(C, LOW);
      digitalWrite(D, LOW);
      digitalWrite(E, LOW);
      digitalWrite(F, LOW);
      digitalWrite(G, LOW);
      delay(300); 
      digitalWrite(A, HIGH);
      digitalWrite(B, HIGH);
      digitalWrite(C, HIGH);
      digitalWrite(D, HIGH);
      digitalWrite(E, LOW);
      digitalWrite(F, HIGH);
      digitalWrite(G, HIGH);
      delay(300);
    }
  }

  // print the round number that is displayed on the 7-segment display
  Serial.print("ROUND ");
  Serial.println(roundNum);
  Serial.print('\n');
  delay(2000);

  roundNum++; // increment round number on display after each round is completed

}