#include "Cap.hpp"
#include "../IRC.hpp"
#include <string>

bool	Cap::validate(const User &user, const std::string &msg)
{
	std::istringstream	iss(msg);
	std::string			word;
	iss >> word; // should be CAP
	iss >> word; // should be the mode
	if (word == "LS")
	{
		this->mode = 1; // In this mode run will print the capabilities of the server
		iss >> word; // Should be a code
		this->code = word; // Not sure if we need it but if we do we have it.
		return (true);
	}
	if (word == "REQ")
	{
		this->mode = 2; // in this mode run will acknowledge the capabilities sent by the client
		size_t	pos;
		size_t	leng;
		iss >> word; // Should be a all the capabilities with a : in front of them
		leng = word.length();
		pos = word.find(":") + 1;
		this->capabilities = word.substr(pos, leng - pos); // remove the :
		return (true);
	}
	std::cout << "Command without mode match" << word << std::endl;
	return (false);
}

int Cap::run(User &user, IRC::t_send_f &send)
{
	if (this->mode == 1) // Mode is LS
	{
		send(this->targetUser, IRCManager::getHostName + " CAP * LS :" + IRCManager::getCapabilities();
		return (0);
	}
	if (this->mode == 2) // mode is REQ
	{
		std::istringstream	serverCap(IRCManager::getCapabilities);
		std::istringstream	clientCap;
		std::string			server;
		std::string			client;
		std::string			matches;
		serverCap >> server;
		while server[0])
		{
			clientCap(this->capabilities);
			clientCap >> client
			while (client[0])
			{
				if (client == server)
				{
					matches = matches + client + " ";
					break;
				}
				clientCap >> client
			}
			serverCap >> server;
		}
		send(this->targetUser, IRCManager::getHostName + " CAP " + user.getNickName() + " ACK :" + matches;
		return (0);
	}
	return (0);
}