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/* $Id$ */

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/** @file ai_log.cpp Implementation of AILog. */

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#include "ai_log.hpp"

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#include "../../core/alloc_func.hpp"

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#include "../../player_func.h"

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#include "../../debug.h"

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/* static */ void AILog::Info(const char *message)

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{

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	AILog::Log(LOG_INFO, message);

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}

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/* static */ void AILog::Warning(const char *message)

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{

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	AILog::Log(LOG_WARNING, message);

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}

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/* static */ void AILog::Error(const char *message)

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{

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	AILog::Log(LOG_ERROR, message);

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}

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/* static */ void AILog::Log(AILog::AILogType level, const char *message)

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{

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	if (AIObject::GetLogPointer() == NULL) {

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		AIObject::GetLogPointer() = new LogData();

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		LogData *log = (LogData *)AIObject::GetLogPointer();

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		log->lines = CallocT<char *>(80);

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		log->type = CallocT<AILog::AILogType>(80);

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		log->count = 80;

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		log->pos = log->count;

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	}

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	LogData *log = (LogData *)AIObject::GetLogPointer();

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	/* Go to the next log-line */

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	log->pos = (log->pos + 1) % log->count;

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	/* Free last message, and write new message */

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	free(log->lines[log->pos]);

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	log->lines[log->pos] = strdup(message);

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	log->type[log->pos] = level;

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	/* Cut string after first \n */

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	char *p;

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	while ((p = strchr(log->lines[log->pos], '\n')) != NULL) {

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		*p = '\0';

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		break;

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	}

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	/* Also still print to debug window */

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	DEBUG(ai, level, "[%d] %s", (uint)_current_player, log->lines[log->pos]);

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}

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/* static */ void AILog::FreeLogPointer()

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{

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	LogData *log = (LogData *)AIObject::GetLogPointer();

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	for (int i = 0; i < log->count; i++) {

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		free(log->lines[i]);

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	}

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	free(log->lines);

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	free(log->type);

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	delete log;

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}