/*
 *  --------------------------------------------------------------------------------------------
 *
 *    VVV        VVV A           Virtual Acoustics (VA) | http://www.virtualacoustics.org
 *     VVV      VVV AAA          Licensed under the Apache License, Version 2.0
 *      VVV    VVV   AAA
 *       VVV  VVV     AAA        Copyright 2015-2017
 *        VVVVVV       AAA       Institute of Technical Acoustics (ITA)
 *         VVVV         AAA      RWTH Aachen University
 *
 *  --------------------------------------------------------------------------------------------
 */

#include <VAException.h>

#include <sstream>

CVAException::CVAException()
	: m_iErrorCode( UNSPECIFIED )
{
}

CVAException::CVAException( const int iErrorCode, const std::string& sErrorMessage )
	: m_iErrorCode( iErrorCode )
	, m_sErrorMessage( sErrorMessage )
{
}

CVAException::~CVAException() {}

int CVAException::GetErrorCode() const { return m_iErrorCode; }

std::string CVAException::GetErrorMessage() const { return m_sErrorMessage; }

std::string CVAException::ToString() const {
	std::stringstream ss;

	switch( m_iErrorCode ) {
	case MODAL_ERROR:
		if( m_iErrorCode != 0 )
			ss << "Modal error: " << m_sErrorMessage << " (error code " << m_iErrorCode << ")";
		else
			ss << "Modal error: " << m_sErrorMessage;
		break;

	case NETWORK_ERROR:
		if( m_iErrorCode != 0 )
			ss << "Network error: " << m_sErrorMessage << " (error code " << m_iErrorCode << ")";
		else
			ss << "Network error: " << m_sErrorMessage;
		break;

	case PROTOCOL_ERROR:
		if( m_iErrorCode != 0 )
			ss << "Network protocol error: " << m_sErrorMessage << " (error code " << m_iErrorCode << ")";
		else
			ss << "Network protocol error: " << m_sErrorMessage;
		break;

		// Alle anderen bekannten Fehler
	case NOT_IMPLEMENTED:
	case INVALID_PARAMETER:
	case INVALID_ID:
	case RESOURCE_IN_USE:
	case FILE_NOT_FOUND:
		if( m_iErrorCode != 0 )
			ss << m_sErrorMessage << " (error code " << m_iErrorCode << ")";
		else
			ss << m_sErrorMessage;
		break;

	default:
		if( m_sErrorMessage.empty() ) {
			if( m_iErrorCode != 0 )
				ss << "An unspecified error occured (error code " << m_iErrorCode << ")";
			else
				ss << "An unspecified error occured";
		}
		else {
			if( m_iErrorCode != 0 )
				ss << m_sErrorMessage << " (error code " << m_iErrorCode << ")";
			else
				ss << m_sErrorMessage;
		}
		break;
	}

	return ss.str();
}

std::ostream& operator<<( std::ostream& os, const CVAException& ex ) {
	return os << ex.ToString();
}