package net.woodyfolsom.msproj;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import org.junit.Test;

public class CaptureTest {
	@Test
	public void testCapture() {
		GameState gameState = new GameState(5);
		gameState.playStone(Player.BLACK, Action.getInstance("A2"));
		gameState.playStone(Player.BLACK, Action.getInstance("B3"));
		gameState.playStone(Player.BLACK, Action.getInstance("B1"));
		assertTrue(gameState.playStone(Player.WHITE, Action.getInstance("B2")));
		
		assertEquals(0,gameState.getBlackPrisoners());
		assertEquals(0,gameState.getWhitePrisoners());
		
		assertTrue(gameState.playStone(Player.BLACK, Action.getInstance("C2")));
		
		assertEquals(1,gameState.getBlackPrisoners());
		assertEquals(0,gameState.getWhitePrisoners());
		
		System.out.println(gameState);
	}
	
	@Test
	public void testMultiGroupCapture() {
		GameConfig gameConfig = new GameConfig();
		GameState gameState = new GameState(5);
		
		gameState.playStone(Player.BLACK, Action.getInstance("A2"));
		gameState.playStone(Player.BLACK, Action.getInstance("B3"));
		gameState.playStone(Player.BLACK, Action.getInstance("B1"));
		gameState.playStone(Player.BLACK, Action.getInstance("C4"));
		gameState.playStone(Player.BLACK, Action.getInstance("D3"));
		
		assertTrue(gameState.playStone(Player.WHITE, Action.getInstance("B2")));
		assertTrue(gameState.playStone(Player.WHITE, Action.getInstance("C3")));
		
		assertEquals(0,gameState.getBlackPrisoners());
		assertEquals(0,gameState.getWhitePrisoners());
		
		assertTrue(gameState.playStone(Player.BLACK, Action.getInstance("C2")));
		
		assertEquals(2,gameState.getBlackPrisoners());
		assertEquals(0,gameState.getWhitePrisoners());
		
		assertFalse(gameState.playStone(Player.WHITE, Action.getInstance("B2")));
		assertFalse(gameState.playStone(Player.WHITE, Action.getInstance("C3")));
		
		System.out.println(gameState);
		
		GameScore gameScore = new StateEvaluator(gameConfig).scoreGame(gameState);
		System.out.println(gameScore.getScoreReport());
	}
	
	@Test
	public void testCaptureFromEye() {
		GameState gameState = new GameState(5);
		
		gameState.playStone(Player.BLACK, Action.getInstance("A1"));
		gameState.playStone(Player.BLACK, Action.getInstance("B2"));
		gameState.playStone(Player.BLACK, Action.getInstance("C1"));
		gameState.playStone(Player.WHITE, Action.getInstance("A2"));
		gameState.playStone(Player.WHITE, Action.getInstance("B3"));
		gameState.playStone(Player.WHITE, Action.getInstance("C2"));
		
		//This capture should be allowed.
		System.out.println("State before WHITE move: ");
		System.out.println(gameState);
		
		assertTrue("Capture from within single eye should have been allowed but move was rejected.",
				gameState.playStone(Player.WHITE, Action.getInstance("B1")));

		assertEquals("BLACK should have 0 prisoners.",0,gameState.getBlackPrisoners());
		assertEquals("WHITE should have 2 prisoners.",2,gameState.getWhitePrisoners());
	}
}