/* ChanServ core functions
 *
 * (C) 2003-2009 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.
 *
 * $Id$
 *
 */
/*************************************************************************/

#include "module.h"

class CommandCSSendPass : public Command
{
 public:
	CommandCSSendPass() : Command("SENDPASS", 1, 1)
	{
	}

	CommandReturn Execute(User *u, std::vector<std::string> &params)
	{
		const char *chan = params[0].c_str();
		ChannelInfo *ci;
		NickCore *founder;

		if (RestrictMail && !u->nc->HasCommand("chanserv/sendpass"))
			notice_lang(s_ChanServ, u, PERMISSION_DENIED);
		else if (!(ci = cs_findchan(chan)) || !(founder = ci->founder))
			notice_lang(s_ChanServ, u, CHAN_X_NOT_REGISTERED, chan);
		else
		{
			char buf[BUFSIZE];
			char tmp_pass[PASSMAX];
			if (enc_decrypt(ci->founderpass, tmp_pass, PASSMAX - 1) == 1)
			{
				MailInfo *mail;

				snprintf(buf, sizeof(buf), getstring(founder, CHAN_SENDPASS_SUBJECT), ci->name);
				mail = MailBegin(u, founder, buf, s_ChanServ);
				if (!mail)
					return MOD_CONT;

				fprintf(mail->pipe, "%s", getstring(founder, CHAN_SENDPASS_HEAD));
				fprintf(mail->pipe, "\n\n");
				fprintf(mail->pipe, getstring(founder, CHAN_SENDPASS_LINE_1),
						ci->name);
				fprintf(mail->pipe, "\n\n");
				fprintf(mail->pipe, getstring(founder, CHAN_SENDPASS_LINE_2),
						tmp_pass);
				fprintf(mail->pipe, "\n\n");
				fprintf(mail->pipe, "%s", getstring(founder, CHAN_SENDPASS_LINE_3));
				fprintf(mail->pipe, "\n\n");
				fprintf(mail->pipe, "%s", getstring(founder, CHAN_SENDPASS_LINE_4));
				fprintf(mail->pipe, "\n\n");
				fprintf(mail->pipe, getstring(founder, CHAN_SENDPASS_LINE_5),
						NetworkName);
				fprintf(mail->pipe, "\n.\n");

				MailEnd(mail);

				alog("%s: %s!%s@%s used SENDPASS on %s", s_ChanServ, u->nick, u->GetIdent().c_str(), u->host, chan);
				notice_lang(s_ChanServ, u, CHAN_SENDPASS_OK, chan);
			}
			else
				notice_lang(s_ChanServ, u, CHAN_SENDPASS_UNAVAILABLE);
		}
		return MOD_CONT;
	}

	bool OnHelp(User *u, const std::string &subcommand)
	{
		notice_help(s_ChanServ, u, CHAN_HELP_SENDPASS);
		return true;
	}

	void OnSyntaxError(User *u)
	{
		syntax_error(s_ChanServ, u, "SENDPASS", CHAN_SENDPASS_SYNTAX);
	}
};

class CSSendPass : public Module
{
 public:
	CSSendPass(const std::string &modname, const std::string &creator) : Module(modname, creator)
	{
		this->SetAuthor("Anope");
		this->SetVersion("$Id$");
		this->SetType(CORE);

		this->AddCommand(CHANSERV, new CommandCSSendPass(), MOD_UNIQUE);

		if (!UseMail)
			throw ModuleException("sendpass may not be loaded if UseMail is loaded");

		char tmp_pass[PASSMAX];
		if (!enc_decrypt("tmp", tmp_pass, PASSMAX - 1))
			throw ModuleException("Incompatible with the encryption module being used");
	}
	void ChanServHelp(User *u)
	{
		notice_lang(s_ChanServ, u, CHAN_HELP_CMD_SENDPASS);
	}
};

MODULE_INIT("cs_sendpass", CSSendPass)