/*
 * Copyright (C) 2017 Ortega Froysa, Nicolás <nortega@themusicinnoise.net>
 * Author: Ortega Froysa, Nicolás <nortega@themusicinnoise.net>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "neocomm.h"

#include "error.hpp"
#include "globals.hpp"

#include <string>

dht::DhtRunner node;
std::unordered_map<std::string, dht::InfoHash> chans;

int NeoComm_join_channel(const char *channel_name) {
	if(not node.isRunning())
	{
		add_error("NeoComm must be initialized.");
		return 0;
	}

	const std::string s_chan_name(channel_name);
	if(s_chan_name.empty())
	{
		add_error("Chan name is empty.");
		return 0;
	}

	// If it already exists then just exit
	if(chans.find(s_chan_name) == chans.end())
		return 1;

	dht::InfoHash chan(s_chan_name);
	{
		static constexpr dht::InfoHash INVALID_ID {};
		if(chan == INVALID_ID)
			chan = dht::InfoHash::get(s_chan_name);
	}

	chans[s_chan_name] = chan;
	return 1;
}

void NeoComm_leave_channel(const char *channel_name) {
	chans.erase(std::string(channel_name));
}