WinningPattern.java

// Failed Bingo: +5 coins, +50 EXP per game

public class WinningPattern {

    public int checkPatterns(BingoCard card) {
        int score = 0;
        int[][] cardGrid = card.getCard();

        // Horizontal rows
        for (int i = 0; i < 5; i++) {
            if (isRowComplete(cardGrid, i)) {
                score += 10 + i; 
            }
        }

        // Vertical columns
        for (int j = 0; j < 5; j++) {
            if (isColumnComplete(cardGrid, j)) {
                score += 15 + j;
            }
        }

        // Diagonals
        if (isMainDiagonalComplete(cardGrid)) {
            score += 20;
        }
        if (isAntiDiagonalComplete(cardGrid)) {
            score += 25;
        }

        // Four Corners
        if (isFourCornersComplete(cardGrid)) {
            score += 30;
        }

        return score;
    }

    private boolean isLineComplete(int[][] card, int fixedIndex, boolean isRow) {
        for (int i = 0; i < 5; i++) {
            int value = isRow ? card[fixedIndex][i] : card[i][fixedIndex];
            if (value != -1) {
                return false;
            }
        }
        return true;
    }

    private boolean isRowComplete(int[][] card, int row) {
        return isLineComplete(card, row, true);
    }

    private boolean isColumnComplete(int[][] card, int col) {
        return isLineComplete(card, col, false);
    }

    private boolean isMainDiagonalComplete(int[][] card) {
        for (int i = 0; i < 5; i++) {
            if (card[i][i] != -1) {
                return false;
            }
        }
        return true;
    }

    private boolean isAntiDiagonalComplete(int[][] card) {
        for (int i = 0; i < 5; i++) {
            if (card[i][4 - i] != -1) {
                return false;
            }
        }
        return true;
    }

    private boolean isFourCornersComplete(int[][] card) {
        return (card[0][0] == -1 && card[0][4] == -1 &&
         card[4][0] == -1 && card[4][4] == -1);
    }

}