package dev.kske.chess.ui;

import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.awt.dnd.DnDConstants;
import java.awt.dnd.DropTargetAdapter;
import java.awt.dnd.DropTargetDropEvent;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.List;

import dev.kske.chess.game.Game;

/**
 * Project: <strong>Chess</strong><br>
 * File: <strong>FENDropTarget.java</strong><br>
 * Created: <strong>13 Aug 2019</strong><br>
 * Author: <strong>Kai S. K. Engelbart</strong>
 */
public class FENDropTarget extends DropTargetAdapter {

	private MainWindow mainWindow;

	public FENDropTarget(MainWindow mainWindow) {
		this.mainWindow = mainWindow;
	}

	@SuppressWarnings("unchecked")
	@Override
	public void drop(DropTargetDropEvent evt) {
		try {
			evt.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE);
			((List<File>) evt.getTransferable().getTransferData(DataFlavor.javaFileListFlavor)).forEach(file -> {
				try (BufferedReader br = new BufferedReader(new FileReader(file))) {
					final GamePane	gamePane	= mainWindow.addGamePane();
					final String	fen			= br.readLine();
					GameConfigurationDialog.show((whiteName, blackName) -> {
						final Game game = new Game(gamePane.getBoardPane(), whiteName, blackName, fen);
						gamePane.setGame(game);
						game.start();
					});
					evt.dropComplete(true);
				} catch (IOException e) {
					e.printStackTrace();
					evt.rejectDrop();
				}
			});
		} catch (UnsupportedFlavorException | IOException ex) {
			ex.printStackTrace();
			evt.rejectDrop();
		}
	}
}