/*
 * (C) 2003-2013 Anope Team
 * Contact us at team@anope.org
 *
 * Please read COPYING and README for further details.
 */

#include "module.h"

class StatusUpdate : public Module
{
 public:
	StatusUpdate(const Anope::string &modname, const Anope::string &creator) : Module(modname, creator, SUPPORTED)
	{
		this->SetAuthor("Anope");

		Implementation i[] = { I_OnAccessAdd, I_OnAccessDel };
		ModuleManager::Attach(i, this, sizeof(i) / sizeof(Implementation));
	}

	void OnAccessAdd(ChannelInfo *ci, CommandSource &, ChanAccess *access) anope_override
	{
		if (ci->c)
			for (Channel::ChanUserList::iterator it = ci->c->users.begin(), it_end = ci->c->users.end(); it != it_end; ++it)
			{
				User *user = it->second->user;

				if (user->server != Me && access->Matches(user, user->Account()))
				{
					for (unsigned i = 0; i < ModeManager::GetStatusChannelModesByRank().size(); ++i)
					{
						ChannelModeStatus *cms = ModeManager::GetStatusChannelModesByRank()[i];
						if (!access->HasPriv("AUTO" + cms->name))
							ci->c->RemoveMode(NULL, cms, user->GetUID());
					}
					ci->c->SetCorrectModes(user, true, false);
				}
			}
	}

	void OnAccessDel(ChannelInfo *ci, CommandSource &, ChanAccess *access) anope_override
	{
		if (ci->c)
			for (Channel::ChanUserList::iterator it = ci->c->users.begin(), it_end = ci->c->users.end(); it != it_end; ++it)
			{
				User *user = it->second->user;

				if (user->server != Me && access->Matches(user, user->Account()))
				{
					/* Get user's current access and remove the entry about to be deleted */
					AccessGroup ag = ci->AccessFor(user);
					AccessGroup::iterator iter = std::find(ag.begin(), ag.end(), access);
					if (iter != ag.end())
						ag.erase(iter);

					for (unsigned i = 0; i < ModeManager::GetStatusChannelModesByRank().size(); ++i)
					{
						ChannelModeStatus *cms = ModeManager::GetStatusChannelModesByRank()[i];
						if (!ag.HasPriv("AUTO" + cms->name))
							ci->c->RemoveMode(NULL, cms, user->GetUID());
					}
				}
			}
	}
};

MODULE_INIT(StatusUpdate)