public static void Main(string[] args)
{
var terminal = new UserTerminal();
IQuestionnaire questionnaire = new Questionnaire(terminal);
questionnaire.Settings.WelcomeMessage = "Welcome to my questionnaire";
bool Validator(IQuestion x) => x.Answer.Length > 0;
var errorMessage = "Please Provide a value";
IQuestionBuilder builder = new QuestionBuilder();
var askName = builder.Simple().Text("What's your name?").Build();
var askFamily = builder.Simple().Text("What's your family?").AddValidation(Validator, errorMessage).Build();
builder.List()
.Text("What's your favorite language?")
.AddOptions(new []
{
new QuestionOption("Persian"),
new QuestionOption("English"),
new QuestionOption("Italian"),
new QuestionOption("Spanish"),
new QuestionOption("French"),
new QuestionOption("German")
})
.WithHint("Persian")
.WithDefaultAnswer("Persian")
.AddValidation(x => x.Answer != null)
//.AsCheckList( )
.WithErrorMessage("You must select an option")
.AddToQuestionnaire(questionnaire)
;
questionnaire
.Add(askName)
.Add(askFamily)
;
questionnaire.Start();
var add = true;
// loop until there is a question to ask
while (questionnaire.CanProceed)
{
if (add)
{
var confirm = builder.Simple()
.Text("Are you older than 18?")
.AsConfirm()
.WithHint("Y/n")
.WithDefaultAnswer("y")
.AddValidation(x =>
{
var q = (Confirm)x;
return(q.PossibleAnswers.Contains(x.Answer));
}, "Your value should be either 'y' or 'n'")
.Build();
confirm.Finish(q =>
{
if (q.Answer != "y")
{
return;
}
var agePrompt = builder.Simple()
.Text("How old are you?")
.AddValidation(x =>
{
int.TryParse(x.Answer, out var age);
return(age >= 18);
}, "Your must be older than 18")
.Build();
questionnaire.Prompt(agePrompt as Prompt);
});
questionnaire.Confirm(confirm as Confirm);
add = false;
}
questionnaire.Next();
}
questionnaire.End();
// Print Processed questions
foreach (var q in questionnaire.ProcessedQuestions)
{
terminal.Printer.Write($"{q.Text} : {q.Answer}");
terminal.Printer.WriteLine();
}
Console.ReadLine();
}