/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2019 Olaf Wintermann. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *
 *   2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef UTILS_H
#define	UTILS_H

#ifdef _WIN32
#include <winsock2.h>
#include <io.h>
#endif /* _WIN32 */

#include <sys/types.h>
#include <libxml/tree.h>
#include <ucx/string.h>
#include <sys/stat.h>
#include <inttypes.h>

#include <curl/curl.h>
#include "webdav.h"

#ifndef S_IRWXG
/* if one is not defined, the others are probably also not defined */
#define S_IRWXG 070
#define S_IRGRP 040
#define S_IWGRP 020
#define S_IXGRP 010
#define S_IRWXO  07
#define S_IROTH  04
#define S_IWOTH  02
#define S_IXOTH  01
#endif /* S_IRWXG */

#ifdef	__cplusplus
extern "C" {
#endif

time_t util_parse_creationdate(char *str);
time_t util_parse_lastmodified(char *str);

int util_mkdir(char *path, mode_t mode);

char* util_url_base(char *url);
char* util_url_base_s(sstr_t url);
char* util_url_path(char *url);
char* util_url_decode(DavSession *sn, char *url);
char* util_resource_name(char *url);
char* util_concat_path(const char *url_base, const char *path);
char* util_get_url(DavSession *sn, const char *href);
void util_set_url(DavSession *sn, const char *href);

/*
 * returns true if path1 and path2 are equal or if path2 is a child of path1
 */
int util_path_isrelated(const char *path1, const char *path2);

int util_path_isabsolut(const char *path);

char* util_path_normalize(const char *path);
char* util_create_relative_path(const char *abspath, const char *base);

void util_capture_header(CURL *handle, UcxMap* map);

char* util_path_to_url(DavSession *sn, char *path);
char* util_parent_path(const char *path);

char* util_size_str(DavBool iscollection, uint64_t contentlength);
char* util_date_str(time_t tm);

int util_getboolean(const char *v);
int util_strtouint(const char *str, uint64_t *value);
int util_strtoint(const char *str, int64_t *value);
int util_szstrtouint(const char *str, uint64_t *value);

int util_uint_mul(uint64_t a, uint64_t b, uint64_t *result);

char* util_xml_get_text(const xmlNode *elm);

char* util_base64decode(const char *in);
char* util_base64decode_len(const char *in, int *outlen);
char* util_base64encode(const char *in, size_t len);

char* util_encrypt_str(DavSession *sn, char *str, char *key);
char* util_encrypt_str_k(DavSession *sn, char *str, DavKey *key);
char* util_decrypt_str(DavSession *sn, char *str, char *key);
char* util_decrypt_str_k(DavSession *sn, char *str, DavKey *key);

char* util_random_str();

sstr_t util_getsubstr_until_token(sstr_t str, sstr_t token, sstr_t *sub);

sstr_t util_readline(FILE *stream);
char* util_password_input(char *prompt);

char* util_hexstr(const unsigned char *data, size_t len);

void util_remove_trailing_pathseparator(char *path);

char* util_file_hash(const char *path);

#ifdef	__cplusplus
}
#endif

#endif	/* UTILS_H */