namespace Activities
{
    public class Invitation
    {
        public static string GetValue(string prompt)
        {
            Console.Write(prompt);
            string? value = Console.ReadLine();
            if (value == null)
            {
                Console.WriteLine("No input provided.");
                value = GetValue(prompt);
            }
            return value;
        }

        public static DateOnly GetDate(string prompt)
        {
            string value = GetValue(prompt);
            DateOnly date;
            try
            {
                date = DateOnly.Parse(value);
            }
            catch
            {
                Console.WriteLine("Invalid date provided.");
                date = GetDate(prompt);
            }
            return date;
        }

        public static bool GetResponse(string prompt)
        {
            string value = GetValue(prompt);
            if (value.Equals("y", StringComparison.CurrentCultureIgnoreCase))
            {
                return true;
            }
            else if (value.Equals("n", StringComparison.CurrentCultureIgnoreCase))
            {
                return false;
            }
            else
            {
                Console.WriteLine("Invalid response provided.");
                return GetResponse(prompt);
            }
        }
    }
}