package dev.kske.chess.board;

import static org.junit.jupiter.api.Assertions.assertEquals;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

import dev.kske.chess.board.Piece.Color;
import dev.kske.chess.exception.ChessException;

/**
 * Project: <strong>Chess</strong><br>
 * File: <strong>FENStringTest.java</strong><br>
 * Created: <strong>24 Oct 2019</strong><br>
 *
 * @author Kai S. K. Engelbart
 */
class FENStringTest {

	private List<String> fenStrings = new ArrayList<>();
	private List<Board> boards = new ArrayList<>();

	/**
	 * Removes all pieces from a board
	 *
	 * @param board the board to clean
	 */
	void cleanBoard(Board board) {
		for (int i = 0; i < 8; i++)
			for (int j = 0; j < 8; j++)
				board.getBoardArr()[i][j] = null;
	}

	/**
	 * @throws java.lang.Exception
	 */
	@BeforeEach
	void setUp() throws Exception {
		fenStrings.addAll(
			Arrays.asList(
				"rnbqkbnr/pp1ppppp/8/2p5/4P3/5N2/PPPP1PPP/RNBQKB1R b KQkq - 1 2"
			)
		);
		Board board = new Board();
		board.set(Position.fromLAN("c7"), null);
		board.set(Position.fromLAN("c5"), new Pawn(Color.BLACK, board));
		board.set(Position.fromLAN("e4"), new Pawn(Color.WHITE, board));
		board.set(Position.fromLAN("f3"), new Knight(Color.WHITE, board));
		board.set(Position.fromLAN("e2"), null);
		board.set(Position.fromLAN("g1"), null);

		board.getLog().setActiveColor(Color.BLACK);
		board.getLog().setHalfmoveClock(1);
		board.getLog().setFullmoveNumber(2);
		boards.add(board);
	}

	/**
	 * Test method for {@link FENString#toString()}.
	 */
	@Test
	void testToString() {
		for (int i = 0; i < fenStrings.size(); i++)
			assertEquals(
				fenStrings.get(i),
				new FENString(boards.get(i)).toString()
			);
	}

	/**
	 * Test method for {@link FENString#getBoard()}.
	 *
	 * @throws ChessException
	 */
	@Test
	void testGetBoard() throws ChessException {
		for (int i = 0; i < boards.size(); i++)
			assertEquals(
				boards.get(i),
				new FENString(fenStrings.get(i)).getBoard()
			);
	}
}