/*
  *
  * (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"
 #include "modules/set_misc.h"
 
 static Module *me;
 
 static Anope::map<Anope::string> descriptions;
 
 struct CSMiscData;
 static Anope::map<ExtensibleItem<CSMiscData> *> items;
 
 static ExtensibleItem<CSMiscData> *GetItem(const Anope::string &name)
 {
 	ExtensibleItem<CSMiscData>* &it = items[name];
 	if (!it)
 		try
 		{
 			it = new ExtensibleItem<CSMiscData>(me, name);
 		}
 		catch (const ModuleException &) { }
 	return it;
 }
 
 struct CSMiscData : MiscData, Serializable
 {
 	CSMiscData(Extensible *obj) : Serializable("CSMiscData") { }
 
 	CSMiscData(ChannelInfo *c, const Anope::string &n, const Anope::string &d) : Serializable("CSMiscData")
 	{
 		object = c->name;
 		name = n;
 		data = d;
 	}
 
 	void Serialize(Serialize::Data &sdata) const anope_override
 	{
 		sdata["ci"] << this->object;
 		sdata["name"] << this->name;
 		sdata["data"] << this->data;
 	}
 
 	static Serializable* Unserialize(Serializable *obj, Serialize::Data &data)
 	{
 		Anope::string sci, sname, sdata;
 
 		data["ci"] >> sci;
 		data["name"] >> sname;
 		data["data"] >> sdata;
 
 		ChannelInfo *ci = ChannelInfo::Find(sci);
 		if (ci == NULL)
 			return NULL;
 
 		CSMiscData *d = NULL;
 		if (obj)
 		{
 			d = anope_dynamic_static_cast<CSMiscData *>(obj);
 			d->object = ci->name;
 			data["name"] >> d->name;
 			data["data"] >> d->data;
 		}
 		else
 		{
 			ExtensibleItem<CSMiscData> *item = GetItem(sname);
 			if (item)
 				d = item->Set(ci, CSMiscData(ci, sname, sdata));
 		}
 
 		return d;
 	}
 };
 
 static Anope::string GetAttribute(const Anope::string &command)
 {
 	size_t sp = command.rfind(' ');
 	if (sp != Anope::string::npos)
 		return command.substr(sp + 1);
 	return command;
 }
 
 class CommandCSSetMisc : public Command
 {
  public:
 	CommandCSSetMisc(Module *creator, const Anope::string &cname = "chanserv/set/misc") : Command(creator, cname, 1, 2)
 	{
 		this->SetSyntax(_("\037channel\037 [\037parameters\037]"));
 	}
 
 	void Execute(CommandSource &source, const std::vector<Anope::string> &params) anope_override
 	{
 		if (Anope::ReadOnly)
 		{
 			source.Reply(READ_ONLY_MODE);
 			return;
 		}
 
 		ChannelInfo *ci = ChannelInfo::Find(params[0]);
 		const Anope::string &param = params.size() > 1 ? params[1] : "";
 		if (ci == NULL)
 		{
 			source.Reply(CHAN_X_NOT_REGISTERED, params[0].c_str());
 			return;
 		}
 
 		EventReturn MOD_RESULT;
 		FOREACH_RESULT(OnSetChannelOption, MOD_RESULT, (source, this, ci, param));
 		if (MOD_RESULT == EVENT_STOP)
 			return;
 
 		if (MOD_RESULT != EVENT_ALLOW && !source.AccessFor(ci).HasPriv("SET") && source.permission.empty() && !source.HasPriv("chanserv/administration"))
 		{
 			source.Reply(ACCESS_DENIED);
 			return;
 		}
 
 		Anope::string scommand = GetAttribute(source.command);
 		Anope::string key = "cs_set_misc:" + scommand;
 		ExtensibleItem<CSMiscData> *item = GetItem(key);
 		if (item == NULL)
 			return;
 
 		if (!param.empty())
 		{
 			item->Set(ci, CSMiscData(ci, key, param));
 			Log(source.AccessFor(ci).HasPriv("SET") ? LOG_COMMAND : LOG_OVERRIDE, source, this, ci) << "to change it to " << param;
 			source.Reply(CHAN_SETTING_CHANGED, scommand.c_str(), ci->name.c_str(), params[1].c_str());
 		}
 		else
 		{
 			item->Unset(ci);
 			Log(source.AccessFor(ci).HasPriv("SET") ? LOG_COMMAND : LOG_OVERRIDE, source, this, ci) << "to unset it";
 			source.Reply(CHAN_SETTING_UNSET, scommand.c_str(), ci->name.c_str());
 		}
 	}
 
 	void OnServHelp(CommandSource &source) anope_override
 	{
 		if (descriptions.count(source.command))
 		{
 			this->SetDesc(descriptions[source.command]);
 			Command::OnServHelp(source);
 		}
 	}
 
 	bool OnHelp(CommandSource &source, const Anope::string &subcommand) anope_override
 	{
 		if (descriptions.count(source.command))
 		{
 			this->SendSyntax(source);
 			source.Reply("%s", Language::Translate(source.nc, descriptions[source.command].c_str()));
 			return true;
 		}
 		return false;
 	}
 };
 
 class CSSetMisc : public Module
 {
 	CommandCSSetMisc commandcssetmisc;
 	Serialize::Type csmiscdata_type;
 
  public:
 	CSSetMisc(const Anope::string &modname, const Anope::string &creator) : Module(modname, creator, VENDOR),
 		commandcssetmisc(this), csmiscdata_type("CSMiscData", CSMiscData::Unserialize)
 	{
 		me = this;
 	}
 
 	~CSSetMisc()
 	{
 		for (Anope::map<ExtensibleItem<CSMiscData> *>::iterator it = items.begin(); it != items.end(); ++it)
 			delete it->second;
 	}
 
 	void OnReload(Configuration::Conf *conf) anope_override
 	{
 		descriptions.clear();
 
 		for (int i = 0; i < conf->CountBlock("command"); ++i)
 		{
 			Configuration::Block *block = conf->GetBlock("command", i);
 
 			if (block->Get<const Anope::string>("command") != "chanserv/set/misc")
 				continue;
 
 			Anope::string cname = block->Get<const Anope::string>("name");
 			Anope::string desc = block->Get<const Anope::string>("misc_description");
 
 			if (cname.empty() || desc.empty())
 				continue;
 
 			descriptions[cname] = desc;
 		}
 	}
 
 	void OnChanInfo(CommandSource &source, ChannelInfo *ci, InfoFormatter &info, bool) anope_override
 	{
 		for (Anope::map<ExtensibleItem<CSMiscData> *>::iterator it = items.begin(); it != items.end(); ++it)
 		{
 			ExtensibleItem<CSMiscData> *e = it->second;
 			MiscData *data = e->Get(ci);
 
 			if (data != NULL)
 				info[e->name.substr(12).replace_all_cs("_", " ")] = data->data;
 		}
 	}
 };
 
 MODULE_INIT(CSSetMisc)

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