#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)
{
    char puffer[MAX_LINE_NUMBER][MAX_LINE_LEN];
    char *teiler = "\n ,;";
    char *token;
    int i = 0;
    unsigned int wordCount = 0; 

    while(fgets(puffer[i], MAX_LINE_LEN, file) != NULL)
    {
        i++;
    }

    i = 0;

    token = strtok(puffer[i], teiler);
    
    while(token != NULL && wordCount < maxWordCount)
    {
        strncpy(words[wordCount], token, MAX_WORD_LEN -1);
        //words[wordCount][MAX_WORD_LEN - 1] = '\0';

        wordCount++;

        token = strtok(NULL, teiler);
        
        if(token == NULL && i < MAX_LINE_NUMBER)
        {
            token = strtok(puffer[i+1], teiler);
        }

    }
    
    return wordCount;
}