/// <summary>
/// Represents a method that executes commands
/// entered from the console depending on the user input.
/// </summary>
/// <param name="input">Console Input Commands</param>
/// <remarks>
/// Only commands like "exit", "top", "restart" or
/// number between [1, 15] is valid.
/// </remarks>
private void ParseInput(string input)
{
bool isMoveValid = false;
if (input == Message.EXIT)
{
this.StopGame();
return;
}
if (input == Message.RESTART)
{
this.RestartGame();
return;
}
if (input == Message.TOP)
{
TopScore.PrintTopScores();
return;
}
Position currentPosition = field.GetPosition(input);
if (currentPosition == null)
{
isMoveValid = false;
return;
}
// Atempts to move a number in the direction that has empty cell
Movement.TryMovingInDirection(ref moveCount, ref isMoveValid, currentPosition, MoveDirection.Up, this.field);
Movement.TryMovingInDirection(ref moveCount, ref isMoveValid, currentPosition, MoveDirection.Down, this.field);
Movement.TryMovingInDirection(ref moveCount, ref isMoveValid, currentPosition, MoveDirection.Left, this.field);
Movement.TryMovingInDirection(ref moveCount, ref isMoveValid, currentPosition, MoveDirection.Right, this.field);
if (!isMoveValid)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine(Message.INVALID_MOVE);
Console.ResetColor();
}
}
