public async Task <IActionResult> PlaceShip(Guid boardId, Guid shipId, PlaceShipRequest placeShipRequest)
{
var boardTask = _boardService.GetBoard(boardId);
var shipTask = _shipService.GetShip(shipId);
var shipsPlacedTask = _shipService.GetShipsPlaced(boardId);
await Task.WhenAll(boardTask, shipTask, shipsPlacedTask);
var board = await boardTask;
var ship = await shipTask;
var shipsPlaced = await shipsPlacedTask;
if (board == null || ship == null)
{
return(NotFound());
}
if (shipsPlaced.Any(x => x.Id == shipId))
{
return(BadRequest("Ship cannot be placed as requested ship already placed"));
}
var isShipToBePlacedWithInBoundaries = IsShipToBePlacedWithInBoundaries(board, ship, placeShipRequest);
if (isShipToBePlacedWithInBoundaries == false)
{
return(BadRequest("Ship cannot be placed as positions should not cross boundaries"));
}
var shipPlacedPositions = shipsPlaced.SelectMany(x => x.Positions).ToList();
var haveShipsAlreadyOccupiedThePosition = HaveShipsAlreadyOccupiedThePosition(ship, shipPlacedPositions, placeShipRequest);
if (haveShipsAlreadyOccupiedThePosition)
{
return(BadRequest("Ship cannot be placed as the positions are occupied with ships"));
}
await _shipService.PlaceShip(boardId, ship, placeShipRequest);
return(NoContent());
}