#include "getfuncs.h"
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <string.h>

int getFileLength(const char *filename) {
    FILE* stream = fopen(filename, "r");
    if (!stream) return -1;

    int file_length = 0;
    char buffer[128];
    while (fgets(buffer, sizeof(buffer), stream)) {
        file_length++;
    }

    fclose(stream);
    return file_length;
}

int fetchWord(const char *filename, char *fullWord, int file_length) {
    if (file_length <= 0) return -1;

    srand(time(NULL));
    int random_line = rand() % file_length;

    FILE* stream = fopen(filename, "r");
    if (!stream) return -1;

    int current = 0;
    while (fgets(fullWord, 128, stream)) {
        if (current == random_line) {
            // Retirer le '\n' si présent
            char *newline = strchr(fullWord, '\n');
            if (newline) *newline = '\0';
            fclose(stream);
            return 0;
        }
        current++;
    }

    fclose(stream);
    return -1;
}