/******************************************************************************
 * Icinga 2                                                                   *
 * Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/)        *
 *                                                                            *
 * This program is free software; you can redistribute it and/or              *
 * modify it under the terms of the GNU General Public License                *
 * as published by the Free Software Foundation; either version 2             *
 * of the License, or (at your option) any later version.                     *
 *                                                                            *
 * This program is distributed in the hope that it will be useful,            *
 * but WITHOUT ANY WARRANTY; without even the implied warranty of             *
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              *
 * GNU General Public License for more details.                               *
 *                                                                            *
 * You should have received a copy of the GNU General Public License          *
 * along with this program; if not, write to the Free Software Foundation     *
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.             *
 ******************************************************************************/

#include "icinga/user.h"
#include "icinga/usergroup.h"
#include "base/dynamictype.h"
#include "base/utility.h"
#include <boost/smart_ptr/make_shared.hpp>

using namespace icinga;

REGISTER_TYPE(User);

User::User(const Dictionary::Ptr& serializedUpdate)
	: DynamicObject(serializedUpdate)
{
	RegisterAttribute("display_name", Attribute_Config, &m_DisplayName);
	RegisterAttribute("macros", Attribute_Config, &m_Macros);
	RegisterAttribute("groups", Attribute_Config, &m_Groups);
	RegisterAttribute("enable_notifications", Attribute_Config, &m_EnableNotifications);
	RegisterAttribute("notification_period", Attribute_Config, &m_NotificationPeriod);
	RegisterAttribute("notification_type_filter", Attribute_Config, &m_NotificationTypeFilter);
	RegisterAttribute("notification_state_filter", Attribute_Config, &m_NotificationStateFilter);
}

User::~User(void)
{
	UserGroup::InvalidateMembersCache();
}

void User::OnAttributeChanged(const String& name)
{
	ASSERT(!OwnsLock());

	if (name == "groups")
		UserGroup::InvalidateMembersCache();
}

User::Ptr User::GetByName(const String& name)
{
	DynamicObject::Ptr configObject = DynamicObject::GetObject("User", name);

	return dynamic_pointer_cast<User>(configObject);
}

String User::GetDisplayName(void) const
{
	if (!m_DisplayName.IsEmpty())
		return m_DisplayName;
	else
		return GetName();
}

Array::Ptr User::GetGroups(void) const
{
	return m_Groups;
}

Dictionary::Ptr User::GetMacros(void) const
{
	return m_Macros;
}

bool User::GetEnableNotifications(void) const
{
	if (m_EnableNotifications.IsEmpty())
		return true;
	else
		return m_EnableNotifications;
}

void User::SetEnableNotifications(bool enabled)
{
	m_EnableNotifications = enabled;
	Touch("enable_notifications");
}

TimePeriod::Ptr User::GetNotificationPeriod(void) const
{
	return TimePeriod::GetByName(m_NotificationPeriod);
}

unsigned long User::GetNotificationTypeFilter(void) const
{
	if (m_NotificationTypeFilter.IsEmpty())
		return ~(unsigned long)0; /* All states. */
	else
		return m_NotificationTypeFilter;
}

unsigned long User::GetNotificationStateFilter(void) const
{
	if (m_NotificationStateFilter.IsEmpty())
		return ~(unsigned long)0; /* All states. */
	else
		return m_NotificationStateFilter;
}

bool User::ResolveMacro(const String& macro, const Dictionary::Ptr& cr, String *result) const
{
	if (macro == "CONTACTNAME") {
		*result = GetName();
		return true;
	} else if (macro == "CONTACTALIAS") {
		*result = GetDisplayName();
		return true;
	} else {
		Dictionary::Ptr macros = GetMacros();

		if (macros && macros->Contains(macro)) {
			*result = macros->Get(macro);
			return true;
		}

		return false;
	}
}