/// <summary>
/// Check if the users answer is correct
/// </summary>
/// <param name="answer"></param>
public void CheckIfAnswerCorrect(int answer, Question question)
{
// Get the correct answer from the list of answers
var correctAnswer = question.answers.First(x => x.Id == question.correctAnswer);
if (answer != question.correctAnswer)
{
// Set the users answer to false / wrong
question.IsCorrect = false;
// Get the matching answer to teh users answer from the lsit of answers
var inCorrectUsersAnswer = question.answers.First(x => x.Id == question.UsersGuess);
// Display the failure message using the users incorrect answer, and the correct answer
QuizMessageOutputs.FailureMessage(inCorrectUsersAnswer.Answer, correctAnswer.Answer);
}
else
{
// Set the users answer to true / correct
question.IsCorrect = true;
// Display the success message using the correct answer
QuizMessageOutputs.SuccessMessage(correctAnswer.Answer);
}
}
/// <summary>
/// Check the users answer to ensure write type of data input, and input is possible answer
/// </summary>
/// <param name="answers"></param>
/// <returns></returns>
private int CheckUserInput(Question question)
{
// Get the users answer
var usersAnswer = Console.ReadLine();
// Get a list of all possible answers in the question
List <int> allPossibleAnswers = GetAllPossibleAnswers(question.answers);
// Create a variable to hold the int value of the answer
int answer;
// Run so long as the user does not guess an answer that is a possible answer
while (usersAnswer == null || !Int32.TryParse(usersAnswer, out answer) || !allPossibleAnswers.Contains(answer))
{
// Make sure that the users answer is not some random high number
usersAnswer = usersAnswer.ToString();
// Prompt the user to reenter thier answer
QuizMessageOutputs.ReenterMessage(usersAnswer);
// Get the users answer again
usersAnswer = Console.ReadLine();
}
// Record the users guess
question.UsersGuess = answer;
// Return the answer
return(answer);
}
public void RunQuiz(List <Question> questions)
{
if (questions == null)
{
Console.WriteLine("There was a problem with the quiz questions.");
}
foreach (var question in questions)
{
// Display the question
QuizMessageOutputs.DisplayQuestion(question);
// Get the users answer
int answer = CheckUserInput(question);
// Check if answer is correct
CheckIfAnswerCorrect(answer, question);
// Add to users score if need be
AdjustScore(question);
}
QuizMessageOutputs.DisplayScore(quizScore);
}
