public ShotResult RegisterShot(string location)
{
HitLocations.Add(location);
if (!BattleShips.Any(battleShip => battleShip.Fields.Contains(location)))
{
return(ShotResult.Miss);
}
var ship = BattleShips.Single(battleShip => battleShip.Fields.Contains(location));
return(ship.Fields.All(field => HitLocations.Contains(field)) ? ShotResult.Sunk : ShotResult.Hit);
}