/**

 * The MIT License (MIT)

 *

 * Copyright (C) 2013 Jaroslav Tulach <jaroslav.tulach@apidesign.org>

 *

 * Permission is hereby granted, free of charge, to any person obtaining a copy

 * of this software and associated documentation files (the "Software"), to deal

 * in the Software without restriction, including without limitation the rights

 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

 * copies of the Software, and to permit persons to whom the Software is

 * furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in

 * all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

 * THE SOFTWARE.

 */

package org.apidesign.html.demo.chess;

import org.apidesign.html.demo.chess.BoardModel.ColorType;

import org.apidesign.html.demo.chess.BoardModel.PieceType;

import static org.testng.Assert.*;

import org.testng.annotations.Test;

/**

 *

 * @author Jaroslav Tulach <jtulach@netbeans.org>

 */

public class BoardModelTest {

    public BoardModelTest() {

    }

    @Test public void e2e4e7e6() {

        Board b = BoardModel.createBoard();

        assertEquals(b.getTurn(), ColorType.WHITE);

        Square e2 = BoardModel.findSquare(b, 'E', 2);

        assertNotNull(e2);

        BoardModel.selected(b, e2);

        assertEquals(BoardModel.findSelectedSquare(b), e2, "E2 is selected");

        Square e4 = BoardModel.findSquare(b, 'E', 4);

        assertNotNull(e4);

        BoardModel.selected(b, e4);

        assertNull(e2.getPiece(), "No pawn at e2");

        assertEquals(e4.getPiece(), BoardModel.PieceType.PAWN, "Pawn moved successfully");

        assertNull(BoardModel.findSelectedSquare(b), "No square selected");

        BoardModel.selected(b, e4);

        assertNull(BoardModel.findSelectedSquare(b), "No square selected, it is blacks turn");

        assertTrue(b.isBlackTurn(), "black's turn");

        Square e7 = BoardModel.findSquare(b, 'E', 7);

        BoardModel.selected(b, e7);

        assertEquals(BoardModel.findSelectedSquare(b), e7);

        BoardModel.selected(b, BoardModel.findSquare(b, 'E', 6));

        assertNull(e7.getPiece(), "Piece has been moved");

    }

    @Test public void cantSelectEmptySquare() {

        Board b = BoardModel.createBoard();

        Square e3 = BoardModel.findSquare(b, 'E', 3);

        assertNotNull(e3);

        BoardModel.selected(b, e3);

        assertNull(BoardModel.findSelectedSquare(b), "No square is selected");

    }

    @Test public void cantTakeOwnPiece() {

        Board b = BoardModel.createBoard();

        Square e1 = BoardModel.findSquare(b, 'E', 1);

        assertNotNull(e1);

        BoardModel.selected(b, e1);

        assertEquals(BoardModel.findSelectedSquare(b), e1, "E1 is selected");

        Square e2 = BoardModel.findSquare(b, 'E', 2);

        assertNotNull(e2);

        BoardModel.selected(b, e2);

        assertNotNull(e1.getPiece(), "King remains at e1");

        assertEquals(e2.getPiece(), BoardModel.PieceType.PAWN, "Pawn remains");

        assertEquals(BoardModel.findSelectedSquare(b), e2, "e2 now selected");

    }

    @Test public void knightMustMoveToF3() {

        Board b = BoardModel.createBoard();

        Square g1 = BoardModel.findSquare(b, 'G', 1);

        BoardModel.selected(b, g1);

        Square f3 = BoardModel.findSquare(b, 'F', 3);

        assertTrue(f3.isAccessible(), "This is a field where knight can move");

        Square g3 = BoardModel.findSquare(b, 'G', 3);

        assertFalse(g3.isAccessible(), "Not a place for knight");

        Square e2 = BoardModel.findSquare(b, 'E', 2);

        assertFalse(e2.isAccessible(), "Not a place either, occupied");

        BoardModel.selected(b, g3);

        assertNull(g3.getPiece(), "No figure was moved");

        assertTrue(g1.isSelected(), "Original square still selected");

        BoardModel.selected(b, f3);

        assertEquals(f3.getPiece(), PieceType.KNIGHT, "Moved");

        assertFalse(g3.isSelected(), "No longer selected");

    }

}