/* $Id$ */

/** @file ai_error.cpp Implementation of AIError. */

#include "ai_error.hpp"
#include "table/strings.h"

AIError::AIErrorMap AIError::error_map = AIError::AIErrorMap();
AIError::AIErrorMapString AIError::error_map_string = AIError::AIErrorMapString();

/* static */ uint AIError::GetLastError()
{
	if (AIObject::GetLastError() == STR_NULL) return ERR_NONE;

	AIErrorMap::iterator it = error_map.find(AIObject::GetLastError());
	if (it == error_map.end()) return ERR_UNKNOWN;
	return (*it).second;
}

/* static */ const char *AIError::GetLastErrorString()
{
	if (AIObject::GetLastError() == STR_NULL) return strdup("ERR_NONE");

	AIErrorMapString::iterator it = error_map_string.find(AIObject::GetLastError());
	if (it == error_map_string.end()) return strdup("ERR_UNKNOWN");
	return (*it).second;
}

/* static */ void AIError::RegisterErrorMap(uint internal_string_id, uint ai_error_msg)
{
	error_map[internal_string_id] = ai_error_msg;
}

/* static */ void AIError::RegisterErrorMapString(uint internal_string_id, const char *message)
{
	error_map_string[internal_string_id] = message;
}

/* static */ AIError::ErrorCategories AIError::GetErrorCategory() {
	return (AIError::ErrorCategories)(GetLastError() >> (uint)ERR_CAT_BIT_SIZE);
}