OOP_Groupe1A2_Project/OOP_1A2_Project/src/backend/Board.java

package backend;

import java.util.ArrayList;

public class Board {

	private int width;
    private int height;
    private int turnNumber;
    private boolean isWhiteTurn;
    private ArrayList<Piece> pieces;

    public Board(int colNum, int lineNum) {
        this.width = colNum;
        this.height = lineNum;
        this.turnNumber = 0;
        this.isWhiteTurn = true;
        this.pieces = new ArrayList<>();
    }

    public int getWidth() {
        return width;
    }

    public int getHeight() {
        return height;
    }

    public int getTurnNumber() {
        return turnNumber;
    }

    public boolean isTurnWhite() {
        return isWhiteTurn;
    }

	public void setPiece(boolean isWhite, PieceType type, int x, int y) {
		for (int i = 0; i < pieces.size(); i++) {
			Piece p = pieces.get(i);
		    if (p.getX() == x && p.getY() == y) {
		        pieces.remove(i);
		        break;
		    }
		}
		Piece newPiece = new Piece( x, y, type,isWhite);
	    pieces.add(newPiece);
	}

	public void populateBoard() {
		//TODO
		cleanBoard();
		
		PieceType pawn = PieceType.Pawn;
	    PieceType rook = PieceType.Rook;
	    PieceType knight = PieceType.Knight;
	    PieceType bishop = PieceType.Bishop;
	    PieceType queen = PieceType.Queen;
	    PieceType king = PieceType.King;
	    
	    //all the pawns
		for (int x=0; x<8; x++) {
			pieces.add(new Piece(x, 1, pawn, false));
			pieces.add(new Piece(x, 6, pawn, true));
		}
		
		//black pieces
		pieces.add(new Piece(0, 0, rook, false));
		pieces.add(new Piece(1, 0, knight, false));
	    pieces.add(new Piece(2, 0, bishop, false));
	    pieces.add(new Piece(3, 0, queen, false));
	    pieces.add(new Piece(4, 0, king, false));
	    pieces.add(new Piece(5, 0, bishop, false));
	    pieces.add(new Piece(6, 0, knight, false));
	    pieces.add(new Piece(7, 0, rook, false));
	    
	    
	    //white pieces
	    pieces.add(new Piece(0, 7, rook, true));
	    pieces.add(new Piece(1, 7, knight, true));
	    pieces.add(new Piece(2, 7, bishop, true));
	    pieces.add(new Piece(3, 7, queen, true));
	    pieces.add(new Piece(4, 7, king, true));
	    pieces.add(new Piece(5, 7, bishop, true));
	    pieces.add(new Piece(6, 7, knight, true));
	    pieces.add(new Piece(7, 7, rook, true));
	    
	    
	}
	
	public void cleanBoard() {
		pieces.clear();
	}
	
	public String toString() {
	    String result = "";
	    for (int y = 0; y < height; y++) {
	        for (int x = 0; x < width; x++) {
	            String c = ".";
	            for (Piece p : pieces) {
	                if (p.getX() == x && p.getY() == y) {
	                    String letter = p.getType().getSummary();
	                    if (p.isWhite()) {
	                        c = "W" + letter;
	                    } else {
	                        c = "B" + letter;
	                    }
	                }
	            }
	            result += c + " ";
	        }
	        result += "\n";
	    }
	    return result;
	}
	
	public ArrayList<Piece> getPieces() {
	    ArrayList<Piece> result = new ArrayList<>();
	    for (Piece p : this.pieces) {
	        result.add(p);
	    }
	    return result;
	}
	private Piece getPieceAt(int x, int y) {
	    for (Piece p : pieces) {
	        if (p.getX() == x && p.getY() == y) {
	            return p;
	        }
	    }
	    return null;
	}

	private Integer selectedX = null;
	private Integer selectedY = null;

	public void userTouch(int x, int y) {
	    Piece clickedPiece = getPieceAt(x, y);

	    if (selectedX == null || selectedY == null) {
	        // No piece selected yet
	        if (clickedPiece != null && clickedPiece.isWhite() == isWhiteTurn) {
	            selectedX = x;
	            selectedY = y;
	        }
	    } else {
	        if (selectedX == x && selectedY == y) {
	            // Unselection
	            selectedX = null;
	            selectedY = null;
	        } else {
	            // Attempt to move
	            Piece selectedPiece = getPieceAt(selectedX, selectedY);
	            if (selectedPiece != null) {
	                // Remove captured piece (if any)
	                Piece toRemove = getPieceAt(x, y);
	                if (toRemove != null && toRemove.isWhite() != isWhiteTurn) {
	                    pieces.remove(toRemove);
	                }

	                // Move piece
	                selectedPiece.moveTo(x, y);

	                // Advance turn
	                turnNumber++;
	                isWhiteTurn = !isWhiteTurn;

	                // Unselect
	                selectedX = null;
	                selectedY = null;
	            }
	        }
	    }
	}


	public boolean isSelected(int x, int y) {
		// Check if the selected coordinates match the given x and y
	    if (selectedX != null && selectedY != null) {
	        return selectedX == x && selectedY == y;
	    }
	    return false; 
	}
	/* saving-loading feature :*/

	public String[] toFileRep() {
		ArrayList<String> lines = new ArrayList<>();

	    lines.add(width + " " + height + " " + turnNumber + " " + isWhiteTurn);

	    for (Piece p : pieces) {
	        lines.add(p.getX() + " " + p.getY() + " " + p.getType().name() + " " + p.isWhite());
	    }

	    return lines.toArray(new String[0]);
	}

	public Board(String[] array) {
		String[] firstLine = array[0].split(" ");
	    this.width = Integer.parseInt(firstLine[0]);
	    this.height = Integer.parseInt(firstLine[1]);
	    this.turnNumber = Integer.parseInt(firstLine[2]);
	    this.isWhiteTurn = Boolean.parseBoolean(firstLine[3]);
	    this.pieces = new ArrayList<>();

	    // Remaining lines: x y PieceType isWhite
	    for (int i = 1; i < array.length; i++) {
	        String[] line = array[i].split(" ");
	        int x = Integer.parseInt(line[0]);
	        int y = Integer.parseInt(line[1]);
	        PieceType type = PieceType.valueOf(line[2]);
	        boolean isWhite = Boolean.parseBoolean(line[3]);
	        pieces.add(new Piece(x, y, type, isWhite));
	    }

	    // Optionally reset selection
	    selectedX = null;
	    selectedY = null;
	}
	
	/* The following methods require more work ! */

	public boolean isHighlighted(int x, int y) {
		//TODO
		return false;
	}

	public void undoLastMove() {
		//TODO
		
	}

	public Board(Board board) {
		//TODO

	}
	
	public void playMove(Move move) {
		//TODO

	}

}