/**

 * WinPR: Windows Portable Runtime

 * WinPR Logger

 *

 * Copyright 2014 Armin Novak <armin.novak@thincast.com>

 *

 * 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 <winpr/config.h>

#include "CallbackAppender.h"

typedef struct

{

  wLogAppender common;

  wLogCallbacks* callbacks;

} wLogCallbackAppender;

static BOOL WLog_CallbackAppender_Open(WINPR_ATTR_UNUSED wLog* log,

                                       WINPR_ATTR_UNUSED wLogAppender* appender)

{

  return TRUE;

}

static BOOL WLog_CallbackAppender_Close(WINPR_ATTR_UNUSED wLog* log,

                                        WINPR_ATTR_UNUSED wLogAppender* appender)

{

  return TRUE;

}

static BOOL WLog_CallbackAppender_WriteMessage(wLog* log, wLogAppender* appender,

                                               const wLogMessage* cmessage)

{

  WINPR_ASSERT(cmessage);

  if (!appender)

    return FALSE;

  char prefix[WLOG_MAX_PREFIX_SIZE] = { 0 };

  WLog_Layout_GetMessagePrefix(log, appender->Layout, cmessage, prefix, sizeof(prefix));

  wLogCallbackAppender* callbackAppender = (wLogCallbackAppender*)appender;

  if (callbackAppender->callbacks && callbackAppender->callbacks->message)

  {

    wLogMessage message = *cmessage;

    message.PrefixString = prefix;

    return callbackAppender->callbacks->message(&message);

  }

  else

    return FALSE;

}

static BOOL WLog_CallbackAppender_WriteDataMessage(wLog* log, wLogAppender* appender,

                                                   const wLogMessage* cmessage)

{

  if (!appender)

    return FALSE;

  char prefix[WLOG_MAX_PREFIX_SIZE] = { 0 };

  WLog_Layout_GetMessagePrefix(log, appender->Layout, cmessage, prefix, sizeof(prefix));

  wLogCallbackAppender* callbackAppender = (wLogCallbackAppender*)appender;

  if (callbackAppender->callbacks && callbackAppender->callbacks->data)

  {

    wLogMessage message = *cmessage;

    message.PrefixString = prefix;

    return callbackAppender->callbacks->data(&message);

  }

  else

    return FALSE;

}

static BOOL WLog_CallbackAppender_WriteImageMessage(wLog* log, wLogAppender* appender,

                                                    const wLogMessage* cmessage)

{

  WINPR_ASSERT(cmessage);

  if (!appender)

    return FALSE;

  char prefix[WLOG_MAX_PREFIX_SIZE] = { 0 };

  WLog_Layout_GetMessagePrefix(log, appender->Layout, cmessage, prefix, sizeof(prefix));

  wLogCallbackAppender* callbackAppender = (wLogCallbackAppender*)appender;

  if (callbackAppender->callbacks && callbackAppender->callbacks->image)

  {

    wLogMessage message = *cmessage;

    message.PrefixString = prefix;

    return callbackAppender->callbacks->image(&message);

  }

  else

    return FALSE;

}

static BOOL WLog_CallbackAppender_WritePacketMessage(wLog* log, wLogAppender* appender,

                                                     const wLogMessage* cmessage)

{

  WINPR_ASSERT(cmessage);

  if (!appender)

    return FALSE;

  char prefix[WLOG_MAX_PREFIX_SIZE] = { 0 };

  WLog_Layout_GetMessagePrefix(log, appender->Layout, cmessage, prefix, sizeof(prefix));

  wLogCallbackAppender* callbackAppender = (wLogCallbackAppender*)appender;

  if (callbackAppender->callbacks && callbackAppender->callbacks->package)

  {

    wLogMessage message = *cmessage;

    message.PrefixString = prefix;

    return callbackAppender->callbacks->package(&message);

  }

  else

    return FALSE;

}

static BOOL WLog_CallbackAppender_Set(wLogAppender* appender, const char* setting, void* value)

{

  wLogCallbackAppender* callbackAppender = (wLogCallbackAppender*)appender;

  if (!value || (strcmp(setting, "callbacks") != 0))

    return FALSE;

  if (!(callbackAppender->callbacks = calloc(1, sizeof(wLogCallbacks))))

  {

    return FALSE;

  }

  callbackAppender->callbacks = memcpy(callbackAppender->callbacks, value, sizeof(wLogCallbacks));

  return TRUE;

}

static void WLog_CallbackAppender_Free(wLogAppender* appender)

{

  wLogCallbackAppender* callbackAppender = NULL;

  if (!appender)

  {

    return;

  }

  callbackAppender = (wLogCallbackAppender*)appender;

  free(callbackAppender->callbacks);

  free(appender);

}

wLogAppender* WLog_CallbackAppender_New(WINPR_ATTR_UNUSED wLog* log)

{

  wLogCallbackAppender* CallbackAppender =

      (wLogCallbackAppender*)calloc(1, sizeof(wLogCallbackAppender));

  if (!CallbackAppender)

    return NULL;

  CallbackAppender->common.Type = WLOG_APPENDER_CALLBACK;

  CallbackAppender->common.Open = WLog_CallbackAppender_Open;

  CallbackAppender->common.Close = WLog_CallbackAppender_Close;

  CallbackAppender->common.WriteMessage = WLog_CallbackAppender_WriteMessage;

  CallbackAppender->common.WriteDataMessage = WLog_CallbackAppender_WriteDataMessage;

  CallbackAppender->common.WriteImageMessage = WLog_CallbackAppender_WriteImageMessage;

  CallbackAppender->common.WritePacketMessage = WLog_CallbackAppender_WritePacketMessage;

  CallbackAppender->common.Free = WLog_CallbackAppender_Free;

  CallbackAppender->common.Set = WLog_CallbackAppender_Set;

  return &CallbackAppender->common;

}