using FluentAssertions;
using FluentAssertions.Execution;
using Xunit;

namespace Shogi.Domain.UnitTests
{
	public class StandardRulesShould
	{
		[Fact]
		public void AllowValidMoves_AfterCheck()
		{
			// Arrange
			var board = new ShogiBoardState();
			var rules = new StandardRules(board);
			rules.Move("C3", "C4"); // P1 Pawn
			rules.Move("G7", "G6"); // P2 Pawn
			rules.Move("B2", "G7"); // P1 Bishop puts P2 in check
			board.InCheck.Should().Be(WhichPlayer.Player2);

			// Act - P2 is able to un-check theirself.
			/// P2 King moves out of check
			var moveSuccess = rules.Move("E9", "E8");

			// Assert
			using var _ = new AssertionScope();
			moveSuccess.Success.Should().BeTrue();
			moveSuccess.Reason.Should().BeEmpty();
			board.InCheck.Should().BeNull();
		}
	}
}