/// <summary>
/// Helper function that downloads question from the API
/// </summary>
/// <returns>Array of questions</returns>
QuizQuestion[] DownloadQuestions()
{
Func <string, string> decode = s => WebUtility.HtmlDecode((string)s);
url = GenerateAPIUrl();
var json = FetchJSON(url);
var response = JObject.Parse(json);
if ((int)response["response_code"] != 0)
{
QuizAPI.ExitApp("Invalid response. Questions could not be downloaded.");
}
JArray questionArray = (JArray)response["results"];
return(questionArray.Select(q => new QuizQuestion()
{
Category = decode((string)q["category"]),
Type = decode((string)q["type"]),
Difficulty = decode((string)q["difficulty"]),
Question = decode((string)q["question"]),
CorrectAnswer = decode((string)q["correct_answer"]),
IncorrectAnswers = ((JArray)q["incorrect_answers"]).Select(cat => decode((string)cat)).ToArray()
}).ToArray());
}
/// <summary>
/// Starts the quiz game
/// </summary>
public void Start()
{
var quizApi = new QuizAPI();
var categories = quizApi.GetCategoryList();
Console.WriteLine("Choose your category");
var categoryIndex = FetchIndexFromList(categories);
quizApi.SetCategory(categoryIndex);
Console.Clear();
Console.Write("Amount of questions: ");
int amount;
while (!int.TryParse(Console.ReadLine(), out amount))
{
Console.WriteLine("Enter a valid number!");
Console.Write("Amount of questions: ");
}
quizApi.SetQuestionAmount(amount);
var diffs = Enum.GetValues(typeof(QuizAPI.Difficulty)).Cast <QuizAPI.Difficulty>().ToList();
Console.Clear();
Console.WriteLine("Choose your difficulty");
var diffIndex = FetchIndexFromList(diffs);
quizApi.SetDifficulty((QuizAPI.Difficulty)diffIndex);
var qManager = quizApi.GetQuestionManager();
while (qManager.HasNextQuestion())
{
Console.Clear();
var question = qManager.NextQuestion();
Console.WriteLine($"Question #{questionNumber++}: {question.Question} | Score [{qManager.Score}/{qManager.Count}]");
var answers = CreateResultsList(question);
var index = FetchIndexFromList(answers);
if (qManager.CheckAnswer(answers[index]))
{
Console.WriteLine("Correct!");
}
else
{
Console.WriteLine("Incorrect");
}
Console.ReadLine();
}
Console.Clear();
Console.WriteLine($"Good Game. Your score is {qManager.Score}");
Console.ReadLine();
}