/*

  pkgit - package it!

  Copyright (C) 2026 dacctal
  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 2 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <https://www.gnu.org/licenses/>.

*/

#define _XOPEN_SOURCE 500
#include <stdio.h>
#include <ftw.h>
#include <unistd.h>

#include <stdbool.h>
#include <sys/stat.h>

#include "log.h"
#include "state.h"
#include "str.h"

bool file_exists(const char *path) {
	struct stat buffer;
	return (stat(path, &buffer) == 0);
}

bool is_directory(const char *path) {
	struct stat statbuf;
	if (stat(path, &statbuf) != 0) return false;
	return S_ISDIR(statbuf.st_mode);
}

bool file_write(str *content, str *path) {
	FILE *fileptr = fopen(path->data, "a");
	str_write_to_file(content, fileptr);
	fclose(fileptr);
	if (!file_exists(path->data)) {
//		if (!flags.quiet) log_error(
//			"could not write file: '%.*s'", str_fmt(path));
		return false;
	}
	return true;
}

str file_read(str *path) {
	if (!file_exists(path->data)) {
//		if (!flags.quiet) log_error(
//			"could not open file: '%.*s'", str_fmt(path));
		return str_new();
	}
	FILE *fileptr = fopen(path->data, "r");
	str content = str_read_entire_file(fileptr);
	fclose(fileptr);
	return content;
}

static int unlink_cb(const char *fpath, const struct stat *sb,
int typeflag, struct FTW *ftwbuf) {
	(void)sb;
	(void)typeflag;
	(void)ftwbuf;
    int rv = remove(fpath);
    if (rv) perror(fpath);
    return rv;
}

bool rmrf(str *path) {
    return nftw(path->data, unlink_cb, 64, FTW_DEPTH | FTW_PHYS) == 0;
}