/**

 * FreeRDP: A Remote Desktop Protocol Implementation

 * common helper utilities

 *

 * Copyright 2024 Armin Novak <anovak@thincast.com>

 * Copyright 2024 Thincast Technologies GmbH

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#include <ctype.h>

#include <freerdp/utils/helpers.h>

#include <winpr/path.h>

#include <freerdp/version.h>

#include <freerdp/build-config.h>

#if !defined(WITH_FULL_CONFIG_PATH)

WINPR_ATTR_MALLOC(free, 1)

static char* freerdp_settings_get_legacy_config_path(const char* filename)

{

  char product[sizeof(FREERDP_PRODUCT_STRING)] = { 0 };

  for (size_t i = 0; i < sizeof(product); i++)

    product[i] = (char)tolower(FREERDP_PRODUCT_STRING[i]);

  char* path = GetKnownSubPath(KNOWN_PATH_XDG_CONFIG_HOME, product);

  if (!path)

    return NULL;

  char* filepath = GetCombinedPath(path, filename);

  free(path);

  return filepath;

}

#endif

char* freerdp_GetConfigFilePath(BOOL system, const char* filename)

{

  eKnownPathTypes id = system ? KNOWN_PATH_SYSTEM_CONFIG_HOME : KNOWN_PATH_XDG_CONFIG_HOME;

#if defined(FREERDP_USE_VENDOR_PRODUCT_CONFIG_DIR)

  char* vendor = GetKnownSubPath(id, FREERDP_VENDOR_STRING);

#else

#if !defined(WITH_FULL_CONFIG_PATH)

  if (!system && (_stricmp(FREERDP_VENDOR_STRING, FREERDP_PRODUCT_STRING) == 0))

    return freerdp_settings_get_legacy_config_path(filename);

#endif

  char* vendor = GetKnownPath(id);

#endif

  if (!vendor)

    return NULL;

#if defined(WITH_RESOURCE_VERSIONING)

  const char* verstr = FREERDP_PRODUCT_STRING FREERDP_API_VERSION;

#else

  const char* verstr = FREERDP_PRODUCT_STRING;

#endif

  char* base = GetCombinedPath(vendor, verstr);

  free(vendor);

  if (!base)

    return NULL;

  if (!filename)

    return base;

  char* path = GetCombinedPath(base, filename);

  free(base);

  return path;

}

WINPR_JSON* freerdp_GetJSONConfigFile(BOOL system, const char* filename)

{

  char* path = freerdp_GetConfigFilePath(system, filename);

  if (!path)

    return NULL;

  WINPR_JSON* json = WINPR_JSON_ParseFromFile(path);

  free(path);

  return json;

}