/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   InviteHandler.cpp                                  :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: fgras-ca <fgras-ca@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/05/30 13:02:09 by fgras-ca          #+#    #+#             */
/*   Updated: 2024/06/01 19:11:22 by fgras-ca         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "InviteHandler.hpp"

InviteHandler::InviteHandler(Server* server) : _server(server) {}

void InviteHandler::handleInviteCommand(Client* client, const std::string& command)
{
	std::istringstream iss(command);
	std::string cmd, nickname, channelName;
	iss >> cmd >> nickname >> channelName;

	if (nickname.empty() || channelName.empty())
	{
		_server->sendToClient(client->getFd(), ERR_NEEDMOREPARAMS(client, "INVITE"));
		return;
	}

	Channel* channel = _server->getChannelByName(channelName);
	if (!channel)
	{
		_server->sendToClient(client->getFd(), ERR_NOSUCHCHANNEL(client, channelName));
		return;
	}

	if (!channel->hasClient(client))
	{
		_server->sendToClient(client->getFd(), ERR_NOTONCHANNEL(client, channelName));
		return;
	}

	if (!channel->isOperator(client) && channel->isInviteOnly())
	{
		_server->sendToClient(client->getFd(), ERR_CHANOPRIVSNEEDED(client, channelName));
		return;
	}

	Client* targetClient = _server->getClientByName(nickname);
	if (!targetClient)
	{
		_server->sendToClient(client->getFd(), ERR_NOSUCHNICK(client, nickname));
		return;
	}

	if (channel->hasClient(targetClient))
	{
		_server->sendToClient(client->getFd(), ERR_USERONCHANNEL(client, nickname, channelName));
		return;
	}

	channel->addInvitedClient(targetClient);
	_server->sendToClient(client->getFd(), RPL_INVITING(client, channel->getName()));

	std::ostringstream inviteMsg;
	inviteMsg << ":" << client->getNickname() << " INVITE " << nickname << " " << channelName << "\r\n";
	_server->sendToClient(targetClient->getFd(), inviteMsg.str());
}