private static void ProgramLoop(IChessBoard board)
{
Console.WriteLine("To move select your chess piece by command 'select x,y' where x is column and y is row.");
Console.WriteLine("Next move by command 'move x,y' where x is column and y is row.");
Console.WriteLine("Move:");
input = string.Empty;
while (!input.Equals("exit"))
{
input = Console.ReadLine().Trim().ToLower();
if (input.Contains("move"))
{
if (selected == null)
{
Console.WriteLine("No chess piece selected.");
continue;
}
if (!board.MovePiece(selected.Position, GetCoordinates(input)))
{
Console.WriteLine("Invalid move.");
}
board.ShowBoard();
selected = null;
continue;
}
else if (input.Contains("select"))
{
try
{
selected = board.GetSquare(GetCoordinates(input));
if (selected == null)
{
Console.WriteLine("No chess piece selected.");
}
}
catch (ArgumentException e)
{
Console.WriteLine(e.Message);
}
continue;
}
if (input.Contains("exit"))
{
break;
}
Console.WriteLine("Invalid command. Try again.");
}
}