#include "fs.h"

int countFiles(char *path){
	DIR *dp;
	int i = 0;
	struct dirent *ep;
	dp = opendir (path);

	if (dp != NULL){
		while (ep = readdir (dp)) i++;

		(void) closedir (dp);
	}
	else{
		fprintf(stderr, "Unable to open directory \"%s\".\n", path);
	}

	return i - 2;
}

char **listFiles(char *path){
	int nfiles = countFiles(path);

	if(nfiles < 0){
		fprintf(stderr, "There are no files in the specified assets directory.\n");
		return 0;
	}


	DIR *dp;
	struct dirent *ep;
	dp = opendir(path);

	if (dp != NULL) {
		char **strings = (char **) malloc(sizeof(char **) * nfiles);
		
		int i = 0; // For assigning the string to the string array

		/* print all the files and directories within directory */
		while ((ep = readdir (dp)) != NULL) {
			if(strcmp(ep->d_name,".") && strcmp(ep->d_name,"..")){
				// All this means is allocate space for the length of the string
				// plus the \0 character having in mind the size of each character
				strings[i] = malloc((strlen(ep->d_name) + strlen(path) + 1) * sizeof(char));
				//strcpy(strings[i],path);
				strcpy(strings[i],path);
				strcat(strings[i],ep->d_name);
				i++; // if not inside it will give size error since it counts . and ..
				if(i == nfiles) return strings;
			}
		}
		closedir (dp);
	} else {
		/* could not open directory */
		perror ("could not open directory\n");
		return 0;
	}
}