#include <Wire.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

const int horzPin = A1;
const int vertPin = A0;
const int selPin = 2;

int credits = 10;
int bet = 0;
int crsr = 0;
const char heroes[] = "WATPHK";
const int multipliers[] = {2, 3, 5, 7, 10, 12};

unsigned long move = 0;
int debounceDelay = 200;

bool bett = true;



int lcrsr = -1, lbet = -1, lcrdts = -1;
char win = ' ';

const char* heroNames[] = {
  "Woman",   
  "Alli",    
  "Tiger",   
  "Panda",   
  "Hippo",   
  "Kong"    
};

void setup() {
  lcd.init();
  lcd.backlight();
  pinMode(selPin, INPUT_PULLUP);
  displayGame(true);
}

void loop() {
  int horzValue = analogRead(horzPin);
  int vertValue = analogRead(vertPin);
  int selPressed = digitalRead(selPin);

  if (bett && millis() - move > debounceDelay) {
    if (horzValue > 700 && crsr < 5) {
      crsr++;
      move = millis();
    } else if (horzValue < 300 && crsr > 0) {
      crsr--;
      move = millis();
    }
  }

  if (bett && millis() - move > debounceDelay) {
    if (vertValue > 700 && bet < credits) {
      bet++;
      credits--;
      move = millis();
    } else if (vertValue < 300 && bet > 1) {
      bet--;
      credits++;
      move = millis();
    }
  }

  if (bett && selPressed == LOW) {
    bett = false;
    lcd.clear();
    playGame();
    return;
  }

  if (bett) {
    displayGame(false);
  }
}

void displayGame(bool upd) {
  if (upd || crsr != lcrsr || credits != lcrdts || bet != lbet) {
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("WATPHK");
    lcd.setCursor(7, 0);
    lcd.print("C:");
    lcd.print(credits);
    lcd.setCursor(12, 0);
    lcd.print("B:");
    lcd.print(bet);
    lcd.setCursor(crsr, 1);
    lcd.print("-");

    lcrsr = crsr;
    lcrdts = credits;
    lbet = bet;
  }
}

void playGame() {
  int rndm = random(0, 6);
  win = heroes[rndm];

  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Winner: ");
  lcd.print(heroNames[rndm]); 
  if (heroes[crsr] == win) {
    int winnings = bet * multipliers[rndm];
    credits += winnings; 
    lcd.setCursor(0, 1);
    lcd.print("Win! +");
    lcd.print(winnings);
  } else {
    credits -= bet; 
  }

  delay(2000); 

  if (credits > 0) {
    bett = true;
    bet = 1;
    crsr = 0;
    displayGame(true); 
  } else {
    lcd.clear();
    lcd.print("Game Over!");
    while (true); 
  }
}

int rndm() {
  return random(0, 6); 
}