#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.

/*
char *readSingleWord(FILE *file)
{
    if (file == NULL)
    {
        return 0;
    }
    

    fgets(singleWordBuffer, MAX_LINE_LEN, file);
    
}
*/


// Read words from file and store in 'words' array
int readWords(FILE *file, char words[][MAX_WORD_LEN], unsigned int maxWordCount)
{
    int     currentlyInWord     = 0;
    int     word                = 0;
    int     wordChar            = 0;
    char    currentChar         = 0;


    do
    {
        currentChar = fgetc(file);
    
        if ((currentChar >= 'A') && (currentChar <= 'Z'))
        {
            if (!currentlyInWord)
            {
                currentlyInWord = 1;
            }
                
            words[word][wordChar] = currentChar;
            wordChar++;
        }
        else if ((currentChar >= 'a') && (currentChar <= 'z'))
        {
            if (!currentlyInWord)
            {
                currentlyInWord = 1;
            }

            words[word][wordChar] = toupper(currentChar);
            wordChar++;
        }
        else if (currentlyInWord)
        {
            words[word][wordChar] = '\0';
            word++;
            wordChar        = 0;
            currentlyInWord = 0;
        }

    } while (((currentChar != EOF) && (word <= maxWordCount)));
    printf("wortzahl: %d\n", word);

    return word;
}



/*
#define MAX_BUFFER_LEN 256

// 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)
{
    int i           = 0;
    int word        = 0;
    int wordChar    = 0;
    int firstLetter = 0;

    if (file == NULL)
    {
        return 0;
    }
    
    fgets(buffer, MAX_LINE_LEN * maxWordCount, file);
    //fscanf(file, "%s", buffer);
    
    do
    {

        if ((buffer[i] >= 'A') && (buffer[i] <= 'Z'))
        {
            if (!firstLetter)
            {
                firstLetter = 1;
            }
                
            words[word][wordChar] = buffer[i];
            wordChar++;
        }
        else if ((buffer[i] >= 'a') && (buffer[i] <= 'z'))
        {
            if (!firstLetter)
            {
                firstLetter = 1;
            }

            words[word][wordChar] = toupper(buffer[i]);
            wordChar++;
        }
        else if (firstLetter)
        {
            words[word][wordChar] = '\0';
            word++;
            wordChar = 0;
            firstLetter = 0;
        }

        i++;
    } while ((i < MAX_LINE_LEN) && (word < maxWordCount));
    
    return word + 1; 
}
*/