[ProducesResponseType(typeof(int), StatusCodes.Status400BadRequest)] // Tells swagger that the response format will be an int for a BadRequest (400)
public ActionResult <OutputPayload> ProcessComplexInput([FromBody] InputPayload inputPayload)
{
// Ensure valid player markers, valid board
if (!(inputPayload.ValidPlayerMarkers()) ||
(!(TicTacToe.BoardIsValid(inputPayload.gameBoard))))
{
return(BadRequest(400));
}
// Compute response
TicTacToe ttt = new TicTacToe(inputPayload.gameBoard,
inputPayload.azurePlayerSymbol, inputPayload.humanPlayerSymbol);
WinStatus ws = ttt.winStatus;
// If game isn't over, get the AI's next move
int?nextMove;
if (ws.winner.Equals(TicTacToe.GAME_NOT_DONE_STR))
{
int choice = ttt.MinimaxWithPruningMove();
ttt[TicTacToe.IndexToTuple(choice)] = inputPayload.azurePlayerSymbol;
nextMove = choice;
// Recalculate win status
ws = TicTacToe.GetWinStatus(ttt.board);
}
else
{
nextMove = null;
}
// Assemble response payload
OutputPayload complexOutput = new OutputPayload()
{
move = nextMove,
azurePlayerSymbol = inputPayload.azurePlayerSymbol,
humanPlayerSymbol = inputPayload.humanPlayerSymbol,
winner = ws.winner,
winPositions = (ws.winPositions == null) ? null : ws.winPositions.ConvertAll(i => i.ToString()),
gameBoard = TicTacToe.BoardToList(ttt.board),
};
return(complexOutput);
}
