using System;
using NUnit.Framework;

namespace Tennis
{
	[TestFixture(0, 0, "Love-All")]
	[TestFixture( 1, 1, "Fifteen-All" )]
	[TestFixture( 2, 2, "Thirty-All")]
	[TestFixture( 3, 3, "Forty-All")]
	[TestFixture( 4, 4, "Deuce")]
	[TestFixture( 1, 0, "Fifteen-Love")]
	[TestFixture( 0, 1, "Love-Fifteen")]
	[TestFixture( 2, 0, "Thirty-Love")]
	[TestFixture( 0, 2, "Love-Thirty")]
	[TestFixture( 3, 0, "Forty-Love")]
	[TestFixture( 0, 3, "Love-Forty")]
	[TestFixture( 4, 0, "Win for player1")]
	[TestFixture( 0, 4, "Win for player2")]
	[TestFixture( 2, 1, "Thirty-Fifteen")]
	[TestFixture( 1, 2, "Fifteen-Thirty")]
	[TestFixture( 3, 1, "Forty-Fifteen")]
	[TestFixture( 1, 3, "Fifteen-Forty")]
	[TestFixture( 4, 1, "Win for player1")]
	[TestFixture( 1, 4, "Win for player2")]
	[TestFixture( 3, 2, "Forty-Thirty")]
	[TestFixture( 2, 3, "Thirty-Forty")]
	[TestFixture( 4, 2, "Win for player1")]
	[TestFixture( 2, 4, "Win for player2")]
	[TestFixture( 4, 3, "Advantage player1")]
	[TestFixture( 3, 4, "Advantage player2")]
	[TestFixture( 5, 4, "Advantage player1")]
	[TestFixture( 4, 5, "Advantage player2")]
	[TestFixture( 15, 14, "Advantage player1")]
	[TestFixture( 14, 15, "Advantage player2")]
	[TestFixture( 6, 4, "Win for player1")]
	[TestFixture( 4, 6, "Win for player2")]
	[TestFixture( 16, 14, "Win for player1")]
	[TestFixture( 14, 16, "Win for player2")]
	public class TennisTest
	{
		private int player1Score;
		private int player2Score;
		private string expectedScore;

		public TennisTest(int player1Score, int player2Score, string expectedScore) {
			this.player1Score = player1Score;
			this.player2Score = player2Score;
			this.expectedScore = expectedScore;
		}

		[Test]
		public void checkTennisGame1() {
			TennisGame1 game = new TennisGame1("player1", "player2");
			checkAllScores(game);
		}

		[Test]
		public void checkTennisGame2() {
			TennisGame2 game = new TennisGame2("player1", "player2");
			checkAllScores(game);
		}

		[Test]
		public void checkTennisGame3() {
			TennisGame3 game = new TennisGame3("player1", "player2");
			checkAllScores(game);
		}

		public void checkAllScores(TennisGame game) {
			int highestScore = Math.Max(this.player1Score, this.player2Score);
			for (int i = 0; i < highestScore; i++) {
				if (i < this.player1Score)
					game.WonPoint("player1");
				if (i < this.player2Score)
					game.WonPoint("player2");
			}
			Assert.AreEqual(this.expectedScore, game.GetScore());
		}

	}

	[TestFixture()]
	public class ExampleGameTennisTest
	{
		public void RealisticTennisGame(TennisGame game)
		{
			String[] points =          {"player1", "player1", "player2", "player2", "player1", "player1"};
			String[] expected_scores = {"Fifteen-Love", "Thirty-Love", "Thirty-Fifteen", "Thirty-All", "Forty-Thirty", "Win for player1"};
			for (int i = 0; i < 6; i++) {
				game.WonPoint(points[i]);
				Assert.AreEqual(expected_scores[i], game.GetScore());
			}
		}
		[Test()]
		public void CheckGame1()
		{
			TennisGame1 game = new TennisGame1("player1", "player2");
			RealisticTennisGame(game);
		}
		[Test()]
		public void CheckGame2()
		{
			TennisGame2 game = new TennisGame2("player1", "player2");
			RealisticTennisGame(game);
		}
		[Test()]
		public void CheckGame3()
		{
			TennisGame3 game = new TennisGame3("player1", "player2");
			RealisticTennisGame(game);
		}
	}

}