#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 buffer[256];
    char *line = fgets(buffer, sizeof(buffer), file);

    while(line != NULL)
    {
        printf("%d. loop\n", wordcount);
        printf("line: %s\n", line);

        char* word = strtok(line, " ,;");
        
        while (word != NULL) 
        {
            strncpy(words[wordcount], word, strlen(word));
            //printf("%d. word: %s\n", wordcount, words[wordcount]);
            wordcount += 1;

            word = strtok(NULL, " ,;\t\n");
        }

        line = fgets(buffer, sizeof(buffer), file); 
    }

    for(int i = 0; i < wordcount; i++)
    {
        for(int j = 0; j < strlen(words[i]); j++)
        {
            words[i][j] = toupper(words[i][j]);

            if(words[i][j] == '\n')
            {
                words[i][j] = '\0';
            }
        }

        printf("%d. word: %s\n", i, words[i]);
    }


    printf("wordcount = %d\n", wordcount);
    
    return wordcount;
}