/**
 * WinPR: Windows Portable Runtime
 * WinPR Logger
 *
 * Copyright 2013 Marc-Andre Moreau <marcandre.moreau@gmail.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 "ConsoleAppender.h"
#include "Message.h"

#ifdef ANDROID
#include <android/log.h>
#endif

#define WLOG_CONSOLE_DEFAULT 0
#define WLOG_CONSOLE_STDOUT 1
#define WLOG_CONSOLE_STDERR 2
#define WLOG_CONSOLE_DEBUG 4

typedef struct
{
	wLogAppender common;

	int outputStream;
} wLogConsoleAppender;

static BOOL WLog_ConsoleAppender_Open(WINPR_ATTR_UNUSED wLog* log,
                                      WINPR_ATTR_UNUSED wLogAppender* appender)
{
	return TRUE;
}

static BOOL WLog_ConsoleAppender_Close(WINPR_ATTR_UNUSED wLog* log,
                                       WINPR_ATTR_UNUSED wLogAppender* appender)
{
	return TRUE;
}

static BOOL WLog_ConsoleAppender_WriteMessage(wLog* log, wLogAppender* appender,
                                              const wLogMessage* cmessage)
{
	if (!appender)
		return FALSE;

	wLogConsoleAppender* consoleAppender = (wLogConsoleAppender*)appender;

	char prefix[WLOG_MAX_PREFIX_SIZE] = WINPR_C_ARRAY_INIT;
	WLog_Layout_GetMessagePrefix(log, appender->Layout, cmessage, prefix, sizeof(prefix));

#ifdef _WIN32
	if (consoleAppender->outputStream == WLOG_CONSOLE_DEBUG)
	{
		OutputDebugStringA(prefix);
		OutputDebugStringA(cmessage->TextString);
		OutputDebugStringA("\n");

		return TRUE;
	}
#endif
#ifdef ANDROID
	android_LogPriority level;
	switch (cmessage->Level)
	{
		case WLOG_TRACE:
			level = ANDROID_LOG_VERBOSE;
			break;
		case WLOG_DEBUG:
			level = ANDROID_LOG_DEBUG;
			break;
		case WLOG_INFO:
			level = ANDROID_LOG_INFO;
			break;
		case WLOG_WARN:
			level = ANDROID_LOG_WARN;
			break;
		case WLOG_ERROR:
			level = ANDROID_LOG_ERROR;
			break;
		case WLOG_FATAL:
			level = ANDROID_LOG_FATAL;
			break;
		case WLOG_OFF:
			level = ANDROID_LOG_SILENT;
			break;
		default:
			level = ANDROID_LOG_FATAL;
			break;
	}

	if (level != ANDROID_LOG_SILENT)
		__android_log_print(level, log->Name, "%s%s", prefix, cmessage->TextString);

#else
	FILE* fp = nullptr;
	switch (consoleAppender->outputStream)
	{
		case WLOG_CONSOLE_STDOUT:
			fp = stdout;
			break;
		case WLOG_CONSOLE_STDERR:
			fp = stderr;
			break;
		default:
			switch (cmessage->Level)
			{
				case WLOG_TRACE:
				case WLOG_DEBUG:
				case WLOG_INFO:
					fp = stdout;
					break;
				default:
					fp = stderr;
					break;
			}
			break;
	}

	if (cmessage->Level != WLOG_OFF)
		(void)fprintf(fp, "%s%s\n", prefix, cmessage->TextString);
#endif
	return TRUE;
}

static int g_DataId = 0;

static BOOL WLog_ConsoleAppender_WriteDataMessage(WINPR_ATTR_UNUSED wLog* log,
                                                  WINPR_ATTR_UNUSED wLogAppender* appender,
                                                  const wLogMessage* message)
{
#if defined(ANDROID)
	return FALSE;
#else
	const int DataId = g_DataId++;
	char* FullFileName = WLog_Message_GetOutputFileName(DataId, "dat");

	WLog_DataMessage_Write(FullFileName, message->Data, message->Length);

	free(FullFileName);

	return TRUE;
#endif
}

static int g_ImageId = 0;

static BOOL WLog_ConsoleAppender_WriteImageMessage(WINPR_ATTR_UNUSED wLog* log,
                                                   WINPR_ATTR_UNUSED wLogAppender* appender,
                                                   const wLogMessage* message)
{
#if defined(ANDROID)
	return FALSE;
#else
	const int ImageId = g_ImageId++;
	char* FullFileName = WLog_Message_GetOutputFileName(ImageId, "bmp");

	WLog_ImageMessage_Write(FullFileName, message->ImageData, message->ImageWidth,
	                        message->ImageHeight, message->ImageBpp);

	free(FullFileName);

	return TRUE;
#endif
}

static int g_PacketId = 0;

static BOOL WLog_ConsoleAppender_WritePacketMessage(WINPR_ATTR_UNUSED wLog* log,
                                                    wLogAppender* appender,
                                                    const wLogMessage* message)
{
#if defined(ANDROID)
	return FALSE;
#else
	g_PacketId++;

	if (!appender->PacketMessageContext)
	{
		char* FullFileName = WLog_Message_GetOutputFileName(-1, "pcap");
		appender->PacketMessageContext = (void*)Pcap_Open(FullFileName, TRUE);
		free(FullFileName);
	}

	if (appender->PacketMessageContext)
		return WLog_PacketMessage_Write((wPcap*)appender->PacketMessageContext, message->PacketData,
		                                message->PacketLength, message->PacketFlags);

	return TRUE;
#endif
}
static BOOL WLog_ConsoleAppender_Set(wLogAppender* appender, const char* setting, void* value)
{
	wLogConsoleAppender* consoleAppender = (wLogConsoleAppender*)appender;

	/* Just check the value string is not empty */
	if (!value || (strnlen(value, 2) == 0))
		return FALSE;

	if (strcmp("outputstream", setting) != 0)
		return FALSE;

	if (!strcmp("stdout", value))
		consoleAppender->outputStream = WLOG_CONSOLE_STDOUT;
	else if (!strcmp("stderr", value))
		consoleAppender->outputStream = WLOG_CONSOLE_STDERR;
	else if (!strcmp("default", value))
		consoleAppender->outputStream = WLOG_CONSOLE_DEFAULT;
	else if (!strcmp("debug", value))
		consoleAppender->outputStream = WLOG_CONSOLE_DEBUG;
	else
		return FALSE;

	return TRUE;
}

static void WLog_ConsoleAppender_Free(wLogAppender* appender)
{
	if (appender)
	{
		if (appender->PacketMessageContext)
		{
			Pcap_Close((wPcap*)appender->PacketMessageContext);
		}

		free(appender);
	}
}

wLogAppender* WLog_ConsoleAppender_New(WINPR_ATTR_UNUSED wLog* log)
{
	wLogConsoleAppender* ConsoleAppender =
	    (wLogConsoleAppender*)calloc(1, sizeof(wLogConsoleAppender));

	if (!ConsoleAppender)
		return nullptr;

	ConsoleAppender->common.Type = WLOG_APPENDER_CONSOLE;
	ConsoleAppender->common.Open = WLog_ConsoleAppender_Open;
	ConsoleAppender->common.Close = WLog_ConsoleAppender_Close;
	ConsoleAppender->common.WriteMessage = WLog_ConsoleAppender_WriteMessage;
	ConsoleAppender->common.WriteDataMessage = WLog_ConsoleAppender_WriteDataMessage;
	ConsoleAppender->common.WriteImageMessage = WLog_ConsoleAppender_WriteImageMessage;
	ConsoleAppender->common.WritePacketMessage = WLog_ConsoleAppender_WritePacketMessage;
	ConsoleAppender->common.Set = WLog_ConsoleAppender_Set;
	ConsoleAppender->common.Free = WLog_ConsoleAppender_Free;

	ConsoleAppender->outputStream = WLOG_CONSOLE_DEFAULT;

#ifdef _WIN32
	if (IsDebuggerPresent())
		ConsoleAppender->outputStream = WLOG_CONSOLE_DEBUG;
#endif

	return &ConsoleAppender->common;
}
