using System;
using System.Text;
using System.Text.RegularExpressions;

namespace StupidWordCounter
{
    class StupidWordCounterModel
    {
        // variables for communication between model and controller
        public static String strSentence;
        public static String strNumberOfLetters;
        public static String strNumberOfWords;

        public static void CountLettersAndWords()
        {
            // remove leading and trailing whitespaces
            strSentence = strSentence.Trim();
            
            // make all whitespaces appear only once
            strSentence = Regex.Replace(strSentence, " +", " ");

            // count spaces (we assume that anything delimited by spaces is a word)
            // I realise that is completely not true, so feel free to modify this file.
            int spaces = 0;
            int i = 0;
            while (i < strSentence.Length)
            {
                if (strSentence.Substring(i, 1).Equals(@" "))
                {
                    spaces = spaces + 1;
                }
                i = i + 1;
            }

            // deduce number of words from number of spaces
            int words = spaces + 1;

            // remove spaces (we count anything else as "letters")
            strSentence = strSentence.Replace(" ", "");
            
            // count rest
            int letters = strSentence.Length;
            
            // write results into static strings
            strNumberOfLetters = letters.ToString();
            strNumberOfWords = words.ToString();
        }

    }

}