/*
 * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
 *
 * This program is free software: you can use, redistribute, and/or modify
 * it under the terms of the GNU Affero General Public License, version 3
 * or later ("AGPL"), as published by the Free Software Foundation.
 *
 * 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.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef _TD_UTIL_UTIL_H_
#define _TD_UTIL_UTIL_H_

#include "os.h"
#include "tcrc32c.h"
#include "tdef.h"
#include "tmd5.h"
#include "thash.h"

#ifdef __cplusplus
extern "C" {
#endif

int32_t strdequote(char *src);
size_t  strtrim(char *src);
char   *strnchr(const char *haystack, char needle, int32_t len, bool skipquote);
char  **strsplit(char *src, const char *delim, int32_t *num);
char   *strtolower(char *dst, const char *src);
char   *strntolower(char *dst, const char *src, int32_t n);
char   *strntolower_s(char *dst, const char *src, int32_t n);
int64_t strnatoi(char *num, int32_t len);
char   *strbetween(char *string, char *begin, char *end);
char   *paGetToken(char *src, char **token, int32_t *tokenLen);

int32_t taosByteArrayToHexStr(char bytes[], int32_t len, char hexstr[]);
int32_t taosHexStrToByteArray(char hexstr[], char bytes[]);

char    *taosIpStr(uint32_t ipInt);
uint32_t ip2uint(const char *const ip_addr);
void     taosIp2String(uint32_t ip, char *str);
void     taosIpPort2String(uint32_t ip, uint16_t port, char *str);

void *tmemmem(const char *haystack, int hlen, const char *needle, int nlen);

static FORCE_INLINE void taosEncryptPass(uint8_t *inBuf, size_t inLen, char *target) {
  T_MD5_CTX context;
  tMD5Init(&context);
  tMD5Update(&context, inBuf, (uint32_t)inLen);
  tMD5Final(&context);
  memcpy(target, context.digest, tListLen(context.digest));
}

static FORCE_INLINE void taosEncryptPass_c(uint8_t *inBuf, size_t len, char *target) {
  T_MD5_CTX context;
  tMD5Init(&context);
  tMD5Update(&context, inBuf, (uint32_t)len);
  tMD5Final(&context);
  char buf[TSDB_PASSWORD_LEN + 1];

  buf[TSDB_PASSWORD_LEN] = 0;
  sprintf(buf, "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x", context.digest[0], context.digest[1],
          context.digest[2], context.digest[3], context.digest[4], context.digest[5], context.digest[6],
          context.digest[7], context.digest[8], context.digest[9], context.digest[10], context.digest[11],
          context.digest[12], context.digest[13], context.digest[14], context.digest[15]);
  memcpy(target, buf, TSDB_PASSWORD_LEN);
}

static FORCE_INLINE int32_t taosGetTbHashVal(const char *tbname, int32_t tblen, int32_t method, int32_t prefix,
                                      int32_t suffix) {
  if (prefix == 0 && suffix == 0) {
    return MurmurHash3_32(tbname, tblen);
  } else {
    if (tblen <= (prefix + suffix)) {
      return MurmurHash3_32(tbname, tblen);
    } else {
      return MurmurHash3_32(tbname + prefix, tblen - prefix - suffix);
    }
  }
}

#ifdef __cplusplus
}
#endif

#endif /*_TD_UTIL_UTIL_H_*/