using FluentAssertions;
using FluentAssertions.Execution;
using Gameboard.ShogiUI.Sockets.Extensions;
using Gameboard.ShogiUI.Sockets.Models;
using System.Linq;
using Xunit;
using Xunit.Abstractions;
using WhichPiece = Gameboard.ShogiUI.Sockets.ServiceModels.Types.WhichPiece;
using WhichPerspective = Gameboard.ShogiUI.Sockets.ServiceModels.Types.WhichPerspective;

namespace Gameboard.ShogiUI.xUnitTests
{
	public class ShogiShould
	{
		private readonly ITestOutputHelper output;
		public ShogiShould(ITestOutputHelper output)
		{
			this.output = output;
		}

		[Fact]
		public void InitializeBoardState()
		{
			// Act
			var board = new Shogi().Board;

			// Assert
			board["A1"].WhichPiece.Should().Be(WhichPiece.Lance);
			board["A1"].Owner.Should().Be(WhichPerspective.Player1);
			board["A1"].IsPromoted.Should().Be(false);
			board["B1"].WhichPiece.Should().Be(WhichPiece.Knight);
			board["B1"].Owner.Should().Be(WhichPerspective.Player1);
			board["B1"].IsPromoted.Should().Be(false);
			board["C1"].WhichPiece.Should().Be(WhichPiece.SilverGeneral);
			board["C1"].Owner.Should().Be(WhichPerspective.Player1);
			board["C1"].IsPromoted.Should().Be(false);
			board["D1"].WhichPiece.Should().Be(WhichPiece.GoldGeneral);
			board["D1"].Owner.Should().Be(WhichPerspective.Player1);
			board["D1"].IsPromoted.Should().Be(false);
			board["E1"].WhichPiece.Should().Be(WhichPiece.King);
			board["E1"].Owner.Should().Be(WhichPerspective.Player1);
			board["E1"].IsPromoted.Should().Be(false);
			board["F1"].WhichPiece.Should().Be(WhichPiece.GoldGeneral);
			board["F1"].Owner.Should().Be(WhichPerspective.Player1);
			board["F1"].IsPromoted.Should().Be(false);
			board["G1"].WhichPiece.Should().Be(WhichPiece.SilverGeneral);
			board["G1"].Owner.Should().Be(WhichPerspective.Player1);
			board["G1"].IsPromoted.Should().Be(false);
			board["H1"].WhichPiece.Should().Be(WhichPiece.Knight);
			board["H1"].Owner.Should().Be(WhichPerspective.Player1);
			board["H1"].IsPromoted.Should().Be(false);
			board["I1"].WhichPiece.Should().Be(WhichPiece.Lance);
			board["I1"].Owner.Should().Be(WhichPerspective.Player1);
			board["I1"].IsPromoted.Should().Be(false);

			board["A2"].Should().BeNull();
			board["B2"].WhichPiece.Should().Be(WhichPiece.Bishop);
			board["B2"].Owner.Should().Be(WhichPerspective.Player1);
			board["B2"].IsPromoted.Should().Be(false);
			board["C2"].Should().BeNull();
			board["D2"].Should().BeNull();
			board["E2"].Should().BeNull();
			board["F2"].Should().BeNull();
			board["G2"].Should().BeNull();
			board["H2"].WhichPiece.Should().Be(WhichPiece.Rook);
			board["H2"].Owner.Should().Be(WhichPerspective.Player1);
			board["H2"].IsPromoted.Should().Be(false);
			board["I2"].Should().BeNull();

			board["A3"].WhichPiece.Should().Be(WhichPiece.Pawn);
			board["A3"].Owner.Should().Be(WhichPerspective.Player1);
			board["A3"].IsPromoted.Should().Be(false);
			board["B3"].WhichPiece.Should().Be(WhichPiece.Pawn);
			board["B3"].Owner.Should().Be(WhichPerspective.Player1);
			board["B3"].IsPromoted.Should().Be(false);
			board["C3"].WhichPiece.Should().Be(WhichPiece.Pawn);
			board["C3"].Owner.Should().Be(WhichPerspective.Player1);
			board["C3"].IsPromoted.Should().Be(false);
			board["D3"].WhichPiece.Should().Be(WhichPiece.Pawn);
			board["D3"].Owner.Should().Be(WhichPerspective.Player1);
			board["D3"].IsPromoted.Should().Be(false);
			board["E3"].WhichPiece.Should().Be(WhichPiece.Pawn);
			board["E3"].Owner.Should().Be(WhichPerspective.Player1);
			board["E3"].IsPromoted.Should().Be(false);
			board["F3"].WhichPiece.Should().Be(WhichPiece.Pawn);
			board["F3"].Owner.Should().Be(WhichPerspective.Player1);
			board["F3"].IsPromoted.Should().Be(false);
			board["G3"].WhichPiece.Should().Be(WhichPiece.Pawn);
			board["G3"].Owner.Should().Be(WhichPerspective.Player1);
			board["G3"].IsPromoted.Should().Be(false);
			board["H3"].WhichPiece.Should().Be(WhichPiece.Pawn);
			board["H3"].Owner.Should().Be(WhichPerspective.Player1);
			board["H3"].IsPromoted.Should().Be(false);
			board["I3"].WhichPiece.Should().Be(WhichPiece.Pawn);
			board["I3"].Owner.Should().Be(WhichPerspective.Player1);
			board["I3"].IsPromoted.Should().Be(false);

			board["A4"].Should().BeNull();
			board["B4"].Should().BeNull();
			board["C4"].Should().BeNull();
			board["D4"].Should().BeNull();
			board["E4"].Should().BeNull();
			board["F4"].Should().BeNull();
			board["G4"].Should().BeNull();
			board["H4"].Should().BeNull();
			board["I4"].Should().BeNull();

			board["A5"].Should().BeNull();
			board["B5"].Should().BeNull();
			board["C5"].Should().BeNull();
			board["D5"].Should().BeNull();
			board["E5"].Should().BeNull();
			board["F5"].Should().BeNull();
			board["G5"].Should().BeNull();
			board["H5"].Should().BeNull();
			board["I5"].Should().BeNull();

			board["A6"].Should().BeNull();
			board["B6"].Should().BeNull();
			board["C6"].Should().BeNull();
			board["D6"].Should().BeNull();
			board["E6"].Should().BeNull();
			board["F6"].Should().BeNull();
			board["G6"].Should().BeNull();
			board["H6"].Should().BeNull();
			board["I6"].Should().BeNull();

			board["A7"].WhichPiece.Should().Be(WhichPiece.Pawn);
			board["A7"].Owner.Should().Be(WhichPerspective.Player2);
			board["A7"].IsPromoted.Should().Be(false);
			board["B7"].WhichPiece.Should().Be(WhichPiece.Pawn);
			board["B7"].Owner.Should().Be(WhichPerspective.Player2);
			board["B7"].IsPromoted.Should().Be(false);
			board["C7"].WhichPiece.Should().Be(WhichPiece.Pawn);
			board["C7"].Owner.Should().Be(WhichPerspective.Player2);
			board["C7"].IsPromoted.Should().Be(false);
			board["D7"].WhichPiece.Should().Be(WhichPiece.Pawn);
			board["D7"].Owner.Should().Be(WhichPerspective.Player2);
			board["D7"].IsPromoted.Should().Be(false);
			board["E7"].WhichPiece.Should().Be(WhichPiece.Pawn);
			board["E7"].Owner.Should().Be(WhichPerspective.Player2);
			board["E7"].IsPromoted.Should().Be(false);
			board["F7"].WhichPiece.Should().Be(WhichPiece.Pawn);
			board["F7"].Owner.Should().Be(WhichPerspective.Player2);
			board["F7"].IsPromoted.Should().Be(false);
			board["G7"].WhichPiece.Should().Be(WhichPiece.Pawn);
			board["G7"].Owner.Should().Be(WhichPerspective.Player2);
			board["G7"].IsPromoted.Should().Be(false);
			board["H7"].WhichPiece.Should().Be(WhichPiece.Pawn);
			board["H7"].Owner.Should().Be(WhichPerspective.Player2);
			board["H7"].IsPromoted.Should().Be(false);
			board["I7"].WhichPiece.Should().Be(WhichPiece.Pawn);
			board["I7"].Owner.Should().Be(WhichPerspective.Player2);
			board["I7"].IsPromoted.Should().Be(false);

			board["A8"].Should().BeNull();
			board["B8"].WhichPiece.Should().Be(WhichPiece.Rook);
			board["B8"].Owner.Should().Be(WhichPerspective.Player2);
			board["B8"].IsPromoted.Should().Be(false);
			board["C8"].Should().BeNull();
			board["D8"].Should().BeNull();
			board["E8"].Should().BeNull();
			board["F8"].Should().BeNull();
			board["G8"].Should().BeNull();
			board["H8"].WhichPiece.Should().Be(WhichPiece.Bishop);
			board["H8"].Owner.Should().Be(WhichPerspective.Player2);
			board["H8"].IsPromoted.Should().Be(false);
			board["I8"].Should().BeNull();

			board["A9"].WhichPiece.Should().Be(WhichPiece.Lance);
			board["A9"].Owner.Should().Be(WhichPerspective.Player2);
			board["A9"].IsPromoted.Should().Be(false);
			board["B9"].WhichPiece.Should().Be(WhichPiece.Knight);
			board["B9"].Owner.Should().Be(WhichPerspective.Player2);
			board["B9"].IsPromoted.Should().Be(false);
			board["C9"].WhichPiece.Should().Be(WhichPiece.SilverGeneral);
			board["C9"].Owner.Should().Be(WhichPerspective.Player2);
			board["C9"].IsPromoted.Should().Be(false);
			board["D9"].WhichPiece.Should().Be(WhichPiece.GoldGeneral);
			board["D9"].Owner.Should().Be(WhichPerspective.Player2);
			board["D9"].IsPromoted.Should().Be(false);
			board["E9"].WhichPiece.Should().Be(WhichPiece.King);
			board["E9"].Owner.Should().Be(WhichPerspective.Player2);
			board["E9"].IsPromoted.Should().Be(false);
			board["F9"].WhichPiece.Should().Be(WhichPiece.GoldGeneral);
			board["F9"].Owner.Should().Be(WhichPerspective.Player2);
			board["F9"].IsPromoted.Should().Be(false);
			board["G9"].WhichPiece.Should().Be(WhichPiece.SilverGeneral);
			board["G9"].Owner.Should().Be(WhichPerspective.Player2);
			board["G9"].IsPromoted.Should().Be(false);
			board["H9"].WhichPiece.Should().Be(WhichPiece.Knight);
			board["H9"].Owner.Should().Be(WhichPerspective.Player2);
			board["H9"].IsPromoted.Should().Be(false);
			board["I9"].WhichPiece.Should().Be(WhichPiece.Lance);
			board["I9"].Owner.Should().Be(WhichPerspective.Player2);
			board["I9"].IsPromoted.Should().Be(false);
		}

		[Fact]
		public void InitializeBoardStateWithMoves()
		{
			var moves = new[]
			{
          // P1 Pawn
        new Move("A3", "A4")
			};
			var shogi = new Shogi(moves);
			shogi.Board["A3"].Should().BeNull();
			shogi.Board["A4"].WhichPiece.Should().Be(WhichPiece.Pawn);
		}

		[Fact]
		public void AllowValidMoves_AfterCheck()
		{
			// Arrange
			var moves = new[]
			{
          // P1 Pawn
          new Move("C3", "C4"),
          // P2 Pawn
          new Move("G7", "G6"),
          // P1 Bishop puts P2 in check
          new Move("B2", "G7"),
			};
			var shogi = new Shogi(moves);
			shogi.InCheck.Should().Be(WhichPerspective.Player2);

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

			// Assert
			using var _ = new AssertionScope();
			moveSuccess.Should().BeTrue();
			shogi.InCheck.Should().BeNull();
		}

		[Fact]
		public void PreventInvalidMoves_MoveFromEmptyPosition()
		{
			// Arrange
			var shogi = new Shogi();
			shogi.Board["D5"].Should().BeNull();

			// Act
			var moveSuccess = shogi.Move(new Move("D5", "D6"));

			// Assert
			moveSuccess.Should().BeFalse();
			shogi.Board["D5"].Should().BeNull();
			shogi.Board["D6"].Should().BeNull();
		}

		[Fact]
		public void PreventInvalidMoves_MoveToCurrentPosition()
		{
			// Arrange
			var shogi = new Shogi();

			// Act - P1 "moves" pawn to the position it already exists at.
			var moveSuccess = shogi.Move(new Move("A3", "A3"));

			// Assert
			moveSuccess.Should().BeFalse();
			shogi.Board["A3"].WhichPiece.Should().Be(WhichPiece.Pawn);
			shogi.Player1Hand.Should().BeEmpty();
			shogi.Player2Hand.Should().BeEmpty();
		}

		[Fact]
		public void PreventInvalidMoves_MoveSet()
		{
			// Arrange
			var shogi = new Shogi();

			// Act - Move Lance illegally
			var moveSuccess = shogi.Move(new Move("A1", "D5"));

			// Assert
			moveSuccess.Should().BeFalse();
			shogi.Board["A1"].WhichPiece.Should().Be(WhichPiece.Lance);
			shogi.Board["A5"].Should().BeNull();
			shogi.Player1Hand.Should().BeEmpty();
			shogi.Player2Hand.Should().BeEmpty();
		}

		[Fact]
		public void PreventInvalidMoves_Ownership()
		{
			// Arrange
			var shogi = new Shogi();
			shogi.WhoseTurn.Should().Be(WhichPerspective.Player1);
			shogi.Board["A7"].Owner.Should().Be(WhichPerspective.Player2);

			// Act - Move Player2 Pawn when it is Player1 turn.
			var moveSuccess = shogi.Move(new Move("A7", "A6"));

			// Assert
			moveSuccess.Should().BeFalse();
			shogi.Board["A7"].WhichPiece.Should().Be(WhichPiece.Pawn);
			shogi.Board["A6"].Should().BeNull();
		}

		[Fact]
		public void PreventInvalidMoves_MoveThroughAllies()
		{
			// Arrange
			var shogi = new Shogi();

			// Act - Move P1 Lance through P1 Pawn.
			var moveSuccess = shogi.Move(new Move("A1", "A5"));

			// Assert
			moveSuccess.Should().BeFalse();
			shogi.Board["A1"].WhichPiece.Should().Be(WhichPiece.Lance);
			shogi.Board["A3"].WhichPiece.Should().Be(WhichPiece.Pawn);
			shogi.Board["A5"].Should().BeNull();
		}

		[Fact]
		public void PreventInvalidMoves_CaptureAlly()
		{
			// Arrange
			var shogi = new Shogi();

			// Act - P1 Knight tries to capture P1 Pawn.
			var moveSuccess = shogi.Move(new Move("B1", "C3"));

			// Arrange
			moveSuccess.Should().BeFalse();
			shogi.Board["B1"].WhichPiece.Should().Be(WhichPiece.Knight);
			shogi.Board["C3"].WhichPiece.Should().Be(WhichPiece.Pawn);
			shogi.Player1Hand.Should().BeEmpty();
			shogi.Player2Hand.Should().BeEmpty();
		}

		[Fact]
		public void PreventInvalidMoves_Check()
		{
			// Arrange
			var moves = new[]
			{
          // P1 Pawn
          new Move("C3", "C4"),
          // P2 Pawn
          new Move("G7", "G6"),
          // P1 Bishop puts P2 in check
          new Move("B2", "G7")
			};
			var shogi = new Shogi(moves);
			shogi.InCheck.Should().Be(WhichPerspective.Player2);

			// Act - P2 moves Lance while in check.
			var moveSuccess = shogi.Move(new Move("I9", "I8"));

			// Assert
			moveSuccess.Should().BeFalse();
			shogi.InCheck.Should().Be(WhichPerspective.Player2);
			shogi.Board["I9"].WhichPiece.Should().Be(WhichPiece.Lance);
			shogi.Board["I8"].Should().BeNull();
		}

		[Fact]
		public void PreventInvalidDrops_MoveSet()
		{
			// Arrange
			var moves = new[]
			{
          // P1 Pawn
          new Move("C3", "C4"),
          // P2 Pawn
          new Move("I7", "I6"),
          // P1 Bishop takes P2 Pawn.
          new Move("B2", "G7"),
          // P2 Gold, block check from P1 Bishop.
          new Move("F9", "F8"),
          // P1 Bishop takes P2 Bishop, promotes so it can capture P2 Knight and P2 Lance
          new Move("G7", "H8", true),
          // P2 Pawn again
          new Move("I6", "I5"),
          // P1 Bishop takes P2 Knight
          new Move("H8", "H9"),
          // P2 Pawn again
          new Move("I5", "I4"),
          // P1 Bishop takes P2 Lance
          new Move("H9", "I9"),
          // P2 Pawn captures P1 Pawn
          new Move("I4", "I3")
				};
			var shogi = new Shogi(moves);
			shogi.Player1Hand.Count.Should().Be(4);
			shogi.Player1Hand.Should().ContainSingle(_ => _.WhichPiece == WhichPiece.Knight);
			shogi.Player1Hand.Should().ContainSingle(_ => _.WhichPiece == WhichPiece.Lance);
			shogi.Player1Hand.Should().ContainSingle(_ => _.WhichPiece == WhichPiece.Pawn);
			shogi.Player1Hand.Should().ContainSingle(_ => _.WhichPiece == WhichPiece.Bishop);
			shogi.WhoseTurn.Should().Be(WhichPerspective.Player1);

			// Act | Assert - Illegally placing Knight from the hand in farthest row.
			shogi.Board["H9"].Should().BeNull();
			var dropSuccess = shogi.Move(new Move(WhichPiece.Knight, "H9"));
			dropSuccess.Should().BeFalse();
			shogi.Board["H9"].Should().BeNull();
			shogi.Player1Hand.Should().ContainSingle(_ => _.WhichPiece == WhichPiece.Knight);

			// Act | Assert - Illegally placing Knight from the hand in second farthest row.
			shogi.Board["H8"].Should().BeNull();
			dropSuccess = shogi.Move(new Move(WhichPiece.Knight, "H8"));
			dropSuccess.Should().BeFalse();
			shogi.Board["H8"].Should().BeNull();
			shogi.Player1Hand.Should().ContainSingle(_ => _.WhichPiece == WhichPiece.Knight);

			// Act | Assert - Illegally place Lance from the hand.
			shogi.Board["H9"].Should().BeNull();
			dropSuccess = shogi.Move(new Move(WhichPiece.Knight, "H9"));
			dropSuccess.Should().BeFalse();
			shogi.Board["H9"].Should().BeNull();
			shogi.Player1Hand.Should().ContainSingle(_ => _.WhichPiece == WhichPiece.Lance);

			// Act | Assert - Illegally place Pawn from the hand.
			shogi.Board["H9"].Should().BeNull();
			dropSuccess = shogi.Move(new Move(WhichPiece.Pawn, "H9"));
			dropSuccess.Should().BeFalse();
			shogi.Board["H9"].Should().BeNull();
			shogi.Player1Hand.Should().ContainSingle(_ => _.WhichPiece == WhichPiece.Pawn);

			// Act | Assert - Illegally place Pawn from the hand in a row which already has an unpromoted Pawn.
			// TODO
		}

		[Fact]
		public void PreventInvalidDrop_Check()
		{
			// Arrange
			var moves = new[]
			{
          // P1 Pawn
          new Move("C3", "C4"),
          // P2 Pawn
          new Move("G7", "G6"),
          // P1 Pawn, arbitrary move.
          new Move("A3", "A4"),
          // P2 Bishop takes P1 Bishop
          new Move("H8", "B2"),
          // P1 Silver takes P2 Bishop
          new Move("C1", "B2"),
          // P2 Pawn, arbtrary move
          new Move("A7", "A6"),
          // P1 drop Bishop, place P2 in check
          new Move(WhichPiece.Bishop, "G7")
			};
			var shogi = new Shogi(moves);
			shogi.InCheck.Should().Be(WhichPerspective.Player2);
			shogi.Player2Hand.Should().ContainSingle(_ => _.WhichPiece == WhichPiece.Bishop);
			shogi.Board["E5"].Should().BeNull();

			// Act - P2 places a Bishop while in check.
			var dropSuccess = shogi.Move(new Move(WhichPiece.Bishop, "E5"));

			// Assert
			dropSuccess.Should().BeFalse();
			shogi.Board["E5"].Should().BeNull();
			shogi.InCheck.Should().Be(WhichPerspective.Player2);
			shogi.Player2Hand.Should().ContainSingle(_ => _.WhichPiece == WhichPiece.Bishop);
		}

		[Fact]
		public void PreventInvalidDrop_Capture()
		{
			// Arrange
			var moves = new[]
			{
        // P1 Pawn
        new Move("C3", "C4"),
        // P2 Pawn
        new Move("G7", "G6"),
        // P1 Bishop capture P2 Bishop
        new Move("B2", "H8"),
        // P2 Pawn
        new Move("G6", "G5")
			};
			var shogi = new Shogi(moves);
			using (new AssertionScope())
			{
				shogi.Player1Hand.Should().ContainSingle(_ => _.WhichPiece == WhichPiece.Bishop);
				shogi.Board["I9"].Should().NotBeNull();
				shogi.Board["I9"].WhichPiece.Should().Be(WhichPiece.Lance);
				shogi.Board["I9"].Owner.Should().Be(WhichPerspective.Player2);
			}

			// Act - P1 tries to place a piece where an opponent's piece resides.
			var dropSuccess = shogi.Move(new Move(WhichPiece.Bishop, "I9"));

			// Assert
			using (new AssertionScope())
			{
				dropSuccess.Should().BeFalse();
				shogi.Player1Hand.Should().ContainSingle(_ => _.WhichPiece == WhichPiece.Bishop);
				shogi.Board["I9"].Should().NotBeNull();
				shogi.Board["I9"].WhichPiece.Should().Be(WhichPiece.Lance);
				shogi.Board["I9"].Owner.Should().Be(WhichPerspective.Player2);
			}
		}

		[Fact]
		public void Check()
		{
			// Arrange
			var moves = new[]
			{
        // P1 Pawn
        new Move("C3", "C4"),
        // P2 Pawn
        new Move("G7", "G6"),
			};
			var shogi = new Shogi(moves);

			// Act - P1 Bishop, check
			shogi.Move(new Move("B2", "G7"));

			// Assert
			shogi.InCheck.Should().Be(WhichPerspective.Player2);
		}

		[Fact]
		public void Promote()
		{
			// Arrange
			var moves = new[]
			{
        // P1 Pawn
        new Move("C3", "C4" ),
        // P2 Pawn
        new Move("G7", "G6" )
			};
			var shogi = new Shogi(moves);

			// Act - P1 moves across promote threshold.
			var moveSuccess = shogi.Move(new Move("B2", "G7", true));

			// Assert
			using (new AssertionScope())
			{
				moveSuccess.Should().BeTrue();
				shogi.Board["B2"].Should().BeNull();
				shogi.Board["G7"].Should().NotBeNull();
				shogi.Board["G7"].WhichPiece.Should().Be(WhichPiece.Bishop);
				shogi.Board["G7"].Owner.Should().Be(WhichPerspective.Player1);
				shogi.Board["G7"].IsPromoted.Should().BeTrue();
			}
		}

		[Fact]
		public void CheckMate()
		{
			// Arrange
			var moves = new[]
			{
          // P1 Rook
          new Move("H2", "E2"),
          // P2 Gold
          new Move("F9", "G8"),
          // P1 Pawn
          new Move("E3", "E4"),
          // P2 other Gold
          new Move("D9", "C8"),
          // P1 same Pawn
          new Move("E4", "E5"),
          // P2 Pawn
          new Move("E7", "E6"),
          // P1 Pawn takes P2 Pawn
          new Move("E5", "E6"),
          // P2 King
          new Move("E9", "E8"),
          // P1 Pawn promotes, threatens P2 King
          new Move("E6", "E7", true),
          // P2 King retreat
          new Move("E8", "E9"),
				};
			var shogi = new Shogi(moves);
			output.WriteLine(shogi.PrintStateAsAscii());

			// Act - P1 Pawn wins by checkmate.
			var moveSuccess = shogi.Move(new Move("E7", "E8"));
			output.WriteLine(shogi.PrintStateAsAscii());

			// Assert - checkmate
			moveSuccess.Should().BeTrue();
			shogi.IsCheckmate.Should().BeTrue();
			shogi.InCheck.Should().Be(WhichPerspective.Player2);
		}

		[Fact]
		public void Capture()
		{
			// Arrange
			var moves = new[]
			{
					new Move("C3", "C4"),
					new Move("G7", "G6")
				};
			var shogi = new Shogi(moves);

			// Act - P1 Bishop captures P2 Bishop
			var moveSuccess = shogi.Move(new Move("B2", "H8"));

			// Assert
			moveSuccess.Should().BeTrue();
			shogi.Board["B2"].Should().BeNull();
			shogi.Board["H8"].WhichPiece.Should().Be(WhichPiece.Bishop);
			shogi.Board["H8"].Owner.Should().Be(WhichPerspective.Player1);
			shogi.Board.Values
				.Where(p => p != null)
				.Should().ContainSingle(piece => piece.WhichPiece == WhichPiece.Bishop);

			shogi.Player1Hand
				.Should()
				.ContainSingle(p => p.WhichPiece == WhichPiece.Bishop && p.Owner == WhichPerspective.Player1);
		}
	}
}