/* HostServ core functions
 *
 * (C) 2003-2022 Anope Team
 * Contact us at team@anope.org
 *
 * Please read COPYING and README for further details.
 *
 * Based on the original code of Epona by Lara.
 * Based on the original code of Services by Andy Church.
 */

#include "module.h"

class CommandHSGroup : public Command
{
	bool setting;

 public:
	void Sync(const NickAlias *na)
	{
		if (setting)
			return;

		if (!na || !na->HasVhost())
			return;

		setting = true;
		for (unsigned i = 0; i < na->nc->aliases->size(); ++i)
		{
			NickAlias *nick = na->nc->aliases->at(i);
			if (nick)
			{
				nick->SetVhost(na->GetVhostIdent(), na->GetVhostHost(), na->GetVhostCreator());
				FOREACH_MOD(OnSetVhost, (nick));
			}
		}
		setting = false;
	}

	CommandHSGroup(Module *creator) : Command(creator, "hostserv/group", 0, 0), setting(false)
	{
		this->SetDesc(_("Syncs the vhost for all nicks in a group"));
	}

	void Execute(CommandSource &source, const std::vector<Anope::string> &params) anope_override
	{
		if (Anope::ReadOnly)
		{
			source.Reply(READ_ONLY_MODE);
			return;
		}

		NickAlias *na = NickAlias::Find(source.GetNick());
		if (na && source.GetAccount() == na->nc && na->HasVhost())
		{
			this->Sync(na);
			if (!na->GetVhostIdent().empty())
				source.Reply(_("All vhosts in the group \002%s\002 have been set to \002%s\002@\002%s\002."), source.nc->display.c_str(), na->GetVhostIdent().c_str(), na->GetVhostHost().c_str());
			else
				source.Reply(_("All vhosts in the group \002%s\002 have been set to \002%s\002."), source.nc->display.c_str(), na->GetVhostHost().c_str());
		}
		else
			source.Reply(HOST_NOT_ASSIGNED);

		return;
	}

	bool OnHelp(CommandSource &source, const Anope::string &subcommand) anope_override
	{
		this->SendSyntax(source);
		source.Reply(" ");
		source.Reply(_("This command allows users to set the vhost of their\n"
				"CURRENT nick to be the vhost for all nicks in the same\n"
				"group."));
		return true;
	}
};

class HSGroup : public Module
{
	CommandHSGroup commandhsgroup;
	bool syncongroup;
	bool synconset;

 public:
	HSGroup(const Anope::string &modname, const Anope::string &creator) : Module(modname, creator, VENDOR),
		commandhsgroup(this)
	{
		if (!IRCD || !IRCD->CanSetVHost)
			throw ModuleException("Your IRCd does not support vhosts");
	}

	void OnSetVhost(NickAlias *na) anope_override
	{
		if (!synconset)
			return;

		commandhsgroup.Sync(na);
	}

	void OnNickGroup(User *u, NickAlias *na) anope_override
	{
		if (!syncongroup)
			return;

		commandhsgroup.Sync(na);
	}

	void OnReload(Configuration::Conf *conf) anope_override
	{
		Configuration::Block *block = conf->GetModule(this);
		syncongroup = block->Get<bool>("syncongroup");
		synconset = block->Get<bool>("synconset");
	}
};

MODULE_INIT(HSGroup)