#include <LiquidCrystal.h>

class Symbol {
  public:
    String name;
    int id;
    byte byteArray[8][8];
    int xY[8][2];
};

LiquidCrystal lcdOne(22, 23, 4, 5, 6, 7);
LiquidCrystal lcdTwo(24, 25, 10, 11, 12, 13);
LiquidCrystal lcdThree(14, 15, 16, 17, 18, 19);

LiquidCrystal* lcds[] = { &lcdOne, &lcdTwo, &lcdThree };
int randomNums[3] = {0, 0, 0};

const int buttonPin = 8;
bool lastButtonState = HIGH;
int randomNumOne = 0;
int randomNumTwo = 0;
int randomNumThree = 0;
bool isSpun = false;
double money = 10;

//Create Symbol objects
Symbol cherrys;
Symbol diamond;

void setup() {
  Serial.begin(9600);

  lcdOne.begin(16, 2);
  lcdTwo.begin(16, 2);
  lcdThree.begin(16, 2);

  pinMode(buttonPin, INPUT);
  randomSeed(analogRead(A0)); 

  //Cherrys
  cherrys.name = "cherrys";
  cherrys.id = 1;
  byte cherrysByteArray[8][8] = {
    { B00000, B00000, B00001, B00011, B00011, B00010, B00011, B00001 },
    { B00000, B11100, B11110, B11111, B11111, B11111, B00110, B11100 },
    { B00000, B00000, B00000, B00000, B10000, B01000, B00100, B00011 },
    { B00000, B00000, B00000, B00000, B00000, B00000, B00000, B00000 },
    { B00001, B00011, B00011, B00010, B00011, B00001, B00000, B00000 },
    { B11100, B11110, B11111, B11111, B00111, B11110, B11100, B00000 },
    { B00010, B00100, B01000, B10000, B00000, B00000, B00000, B00000 },
    { B10000, B01000, B01000, B00000, B00000, B00000, B00000, B00000 }
  };
  int cherrysXY[8][2] = {
    {0, 6}, {0, 7}, {0, 8}, {0, 9},
    {1, 6}, {1, 7}, {1, 8}, {1, 9}
  };
  for (int i = 0; i < 8; i++) {
    for (int j = 0; j < 8; j++) {
      cherrys.byteArray[i][j] = cherrysByteArray[i][j];
    }
    cherrys.xY[i][0] = cherrysXY[i][0];
    cherrys.xY[i][1] = cherrysXY[i][1];
  }

  //Diamond
  diamond.name = "diamond";
  diamond.id = 2;
  byte diamondByteArray[8][8] = {
    { B00000, B00110, B01110, B01100, B01100, B01100, B11111, B01100 },
    { B00000, B00011, B00111, B01100, B01100, B01100, B11111, B01100 },
    { B00000, B10000, B11000, B01100, B01100, B01100, B11111, B01100 },
    { B00000, B00000, B00000, B00000, B00000, B00000, B00000, B00000 },
    { B01100, B11111, B01100, B01100, B01100, B00111, B00011, B00000 },
    { B01100, B11111, B01100, B01100, B01100, B11000, B10000, B00000 },
    { B01100, B11111, B01100, B01100, B01100, B11100, B11000, B00000 },
    { B00000, B00000, B00000, B00000, B00000, B00000, B00000, B00000 }
  };
  int diamondXY[8][2] = {
    {0, 6}, {0, 7}, {0, 8}, {0, 9},
    {1, 6}, {1, 7}, {1, 8}, {1, 9}
  };
  for (int i = 0; i < 8; i++) {
    for (int j = 0; j < 8; j++) {
      diamond.byteArray[i][j] = diamondByteArray[i][j];
    }
    diamond.xY[i][0] = diamondXY[i][0];
    diamond.xY[i][1] = diamondXY[i][1];
  }
}

void loop() {
  checkButtonPress();
  if (isSpun == true) {
    isSpun = false;
    lcdOne.clear();
    lcdTwo.clear();
    lcdThree.clear(); 
    for(int i = 0; i < 3; i++){
      switch (randomNums[i]) {
        case 1:
          displaySymbol(*lcds[i], cherrys);
          break;
        case 2:
          displaySymbol(*lcds[i], diamond);
          break;
        case 3:
          lcds[i]->setCursor(0, 0);
          lcds[i]->print("Random: 3");
          break;
        case 4:
          lcds[i]->setCursor(0, 0);
          lcds[i]->print("Random: 4");
          break;
        case 5:
          lcds[i]->setCursor(0, 0);
          lcds[i]->print("Random: 5");
          break;
        case 6:
          lcds[i]->setCursor(0, 0);
          lcds[i]->print("Random: 6");
          break;
        default:
        break;
      }
    }
    checkForWin(randomNums[0], randomNums[1], randomNums[2]);
  }
}

void displaySymbol(LiquidCrystal &lcd, Symbol &symbol) {
  // Load custom characters
  for (int i = 0; i < 8; i++) {
    lcd.createChar(i, symbol.byteArray[i]);
  }
  for (int i = 0; i < 8; i++) {
    int row = symbol.xY[i][0];
    int col = symbol.xY[i][1];
    lcd.setCursor(col, row);
    lcd.write(i);
  }
}

void checkButtonPress(){
  bool currentButtonState = digitalRead(buttonPin);
  if (currentButtonState == HIGH && lastButtonState == LOW) {
    for (int i = 0; i < 3; i++) {
      randomNums[i] = random(1, 7);
    }
    isSpun = true;
  }
  lastButtonState = currentButtonState;
  delay(50);
}

void checkForWin(int randomNumOne, int randomNumTwo, int randomNumThree){
  if(randomNumOne == randomNumTwo && randomNumOne == randomNumThree){
    money += 10;
    Serial.println(money);
    delay(2000);
  }
}