#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)
{
	int wordCount = 0;
	char line[MAX_LINE_LEN];

	while (fgets(line, MAX_LINE_LEN, file)) {
		char currentWord[MAX_LINE_LEN];
		int wordPos = 0;

		for ( int i = 0; line[i] != '\0'; i++) {
			if (line[i] == ',' || line[i] == ';' || line[i] == ' ' || line[i] == '\n') {

				if (wordPos > 0) {

					currentWord[wordPos] = '\0';

					if (wordCount < maxWordCount) {

						strcpy(words[wordCount], currentWord);
						wordCount++;
					}
					wordPos = 0;
				}
			}
			else {
				if (wordPos < MAX_WORD_LEN-1) {

					currentWord[wordPos] = toupper(line[i]);
					wordPos++;
				}
			}
		}

		if (wordPos > 0) {

			currentWord[wordPos] = '\0';

			if (wordCount < maxWordCount) {

				strcpy(words[wordCount], currentWord);
				wordCount++;
			}

		}
	}
	return wordCount;
}