/// <summary>
/// Using the previously obtained GameID, waits for that game to start up. Once the game is
/// no longer pending, sets up the view accordingly.
/// </summary>
/// <returns>Returns a Task with no return type so this method can be awaited</returns>
private async Task StartGame()
{
try
{
using (HttpClient client = CreateClient(DesiredServer))
{
view.SetUpControlsWhileWaitingForGame();
// Setup all the stuff necessary to query the server.
tokenSource = new CancellationTokenSource();
dynamic body = new ExpandoObject();
body.GameID = GameID;
StringContent content = new StringContent(JsonConvert.SerializeObject(body), Encoding.UTF8, "application/json");
string gamesURI = DesiredServer + "/BoggleService/games/" + GameID + "/false";
// Query the server
HttpResponseMessage response = await client.GetAsync(gamesURI, tokenSource.Token);
// Parse the server's response.
string responseAsString = await response.Content.ReadAsStringAsync();
GetGameStatus responseBody = JsonConvert.DeserializeObject <GetGameStatus>(responseAsString);
if (responseBody.GameState.Equals("pending"))
{
await CheckGameStatus();
}
// Requery the server for the new information.
response = await client.GetAsync(gamesURI, tokenSource.Token);
responseAsString = await response.Content.ReadAsStringAsync();
responseBody = JsonConvert.DeserializeObject <GetGameStatus>(responseAsString);
// Parse all the returned things.
Board = responseBody.Board;
view.SetTimeLimit(responseBody.TimeLimit);
view.SetUpBoard(Board.ToString());
if (ArePlayerOne)
{
view.SetOpponentNickname(responseBody.Player2.Nickname);
}
else
{
view.SetOpponentNickname(responseBody.Player1.Nickname);
}
view.EnableTimer(true);
InAGame = true;
view.SetUpControlsInGame();
}
}
catch (Exception e)
{
if (e is TaskCanceledException)
{
view.SetUpControlsAfterRegister();
return;
}
}
}
/// <summary>
/// Method called by the timer every second that updates the view to contain the most current
/// information about the current state of the game.
/// </summary>
private async void UpdateBoard()
{
try
{
using (HttpClient client = CreateClient(DesiredServer))
{
// Setup the stuff necessary to query the server.
tokenSource = new CancellationTokenSource();
dynamic body = new ExpandoObject();
body.GameID = GameID;
StringContent content = new StringContent(JsonConvert.SerializeObject(body), Encoding.UTF8, "application/json");
string gamesURI = DesiredServer + "/BoggleService/games/" + GameID + "/false";
// Check the server every second until the game is completed.
// Query the server
HttpResponseMessage response = await client.GetAsync(gamesURI, tokenSource.Token);
string responseAsString = await response.Content.ReadAsStringAsync();
GetGameStatus responseBody = JsonConvert.DeserializeObject <GetGameStatus>(responseAsString);
// If the game is completed, finish up the game
if (responseBody.GameState.Equals("completed"))
{
FinishGame(responseBody);
return;
}
// Otherwise, update the view's elements to match the newly received information.
view.SetRemainingTime(responseBody.TimeLeft);
// Depending on if you are or aren't player one, set's the scores accordingly.
if (ArePlayerOne)
{
view.SetPlayerScore(responseBody.Player1.Score.ToString());
view.SetOpponentScore(responseBody.Player2.Score.ToString());
}
else
{
view.SetPlayerScore(responseBody.Player2.Score.ToString());
view.SetOpponentScore(responseBody.Player1.Score.ToString());
}
}
}
catch (Exception e)
{
if (!(e is TaskCanceledException))
{
view.ShowMessage("A server side error has occurred. Please try again.");
}
}
}
/// <summary>
/// Finishes the game by disabling the timer and displaying each player's list of fina words
/// played as well as each word's associated score.
/// </summary>
/// <param name="responseBody"></param>
private void FinishGame(GetGameStatus responseBody)
{
Player player1 = responseBody.Player1;
Player player2 = responseBody.Player2;
view.Reset();
view.SetUpControlsAfterRegister();
InAGame = false;
if (player1.WordsPlayed == null)
{
player1.WordsPlayed = new WordAndScore[0];
}
if (player2.WordsPlayed == null)
{
player2.WordsPlayed = new WordAndScore[0];
}
view.EnableTimer(false);
view.DisplayFinalScore(player1.Nickname, player2.Nickname,
player1.Score.ToString(), player2.Score.ToString(),
player1.WordsPlayed, player2.WordsPlayed);
}
/// <summary>
/// Repeatedly checks the game's status until the user either cancel's their request or the
/// game is no longer pending.
/// </summary>
/// <returns></returns>
private async Task CheckGameStatus()
{
try
{
using (HttpClient client = CreateClient(DesiredServer))
{
tokenSource = new CancellationTokenSource();
bool isPending = true;
//view.EnableControls(false);
dynamic body = new ExpandoObject();
body.GameID = GameID;
StringContent content = new StringContent(JsonConvert.SerializeObject(body), Encoding.UTF8, "application/json");
string gamesURI = DesiredServer + "/BoggleService/games/" + GameID + "/true";
while (isPending)
{
HttpResponseMessage response = await client.GetAsync(gamesURI, tokenSource.Token);
string responseAsString = await response.Content.ReadAsStringAsync();
GetGameStatus responseAsObject = JsonConvert.DeserializeObject <GetGameStatus>(responseAsString);
if (responseAsObject.GameState.Equals("active"))
{
isPending = false;
}
}
}
}
catch (Exception e)
{
if (e is TaskCanceledException)
{
view.ShowMessage("Game canceled.");
}
}
}
