#include "input.h"
#include <string.h>
#include <ctype.h>

// TODO:
// eine Funktion implementieren, die ein einzelnes Wort aus einer Textdatei (words.txt) einliest und als C-String zurückgibt.

// Read words from file and store in 'words' array

int readWords(FILE *file, char words[][MAX_WORD_LEN], unsigned int maxWordCount)
{
    // printf("start readWords\n");
    int wordcount = 0;
    char line[256];
    char *lines = fgets(line, sizeof(line), file);

    while(lines != NULL)
    {
        // printf("next line: %s\n", lines);
        size_t wordLength = 0;
        int newWord = 0;

        for(int i = 0; i < strlen(lines); i++)
        {
            //printf("size of line %d: %d\n", i, strlen(lines));
            if(isalpha(line[i]))
            {
                words[wordcount][wordLength] = line[i];
                // printf("word[%d][%d] = %c\n", wordcount, wordLength, line[i]);

                wordLength += 1;
                newWord = 0;
            }
            else
            {
                if(newWord == 0)
                {
                    // printf("skip: %c\n", line[i]);
                    wordcount += 1;
                    wordLength = 0;
                    newWord = 1;
                }
                else
                {
                     // printf("Multi skip: %c\n", line[i]);
                }
            }
         }
         lines = fgets(line, sizeof(line), file);
    }
    // printf("wordcount = %d\n", wordcount);
    return wordcount;
}