/*

Jabber Protocol Plugin for Miranda IM
Copyright (C) 2002-04  Santithorn Bunchua
Copyright (C) 2005-12  George Hazan
Copyright (C) 2007     Maxim Mluhov
Copyright (C) 2012-13  Miranda NG Project

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

#include "jabber.h"
#include "jabber_iq.h"
#include "jabber_caps.h"
#include "jabber_disco.h"

/////////////////////////////////////////////////////////////////////////////////////////
// OnContactDeleted - processes a contact deletion

int CJabberProto::OnContactDeleted(WPARAM wParam, LPARAM)
{
	if ( !m_bJabberOnline)	// should never happen
		return 0;

	HANDLE hContact = (HANDLE)wParam;
	DBVARIANT dbv;
	if ( !getTString(hContact, isChatRoom(hContact) ? "ChatRoomID" : "jid", &dbv)) {
		if (ListGetItemPtr(LIST_ROSTER, dbv.ptszVal)) {
			if ( !_tcschr(dbv.ptszVal, _T('@'))) {
				TCHAR szStrippedJid[JABBER_MAX_JID_LEN];
				JabberStripJid(m_ThreadInfo->fullJID, szStrippedJid, SIZEOF(szStrippedJid));
				TCHAR *szDog = _tcschr(szStrippedJid, _T('@'));
				if (szDog && _tcsicmp(szDog + 1, dbv.ptszVal))
					m_ThreadInfo->send( XmlNodeIq(_T("set"), SerialNext(), dbv.ptszVal) << XQUERY(JABBER_FEAT_REGISTER) << XCHILD(_T("remove")));
			}

			// Remove from roster, server also handles the presence unsubscription process.
			m_ThreadInfo->send( XmlNodeIq(_T("set"), SerialNext()) << XQUERY(JABBER_FEAT_IQ_ROSTER)
				<< XCHILD(_T("item")) << XATTR(_T("jid"), dbv.ptszVal) << XATTR(_T("subscription"), _T("remove")));
		}

		db_free(&dbv);
	}
	return 0;
}

/////////////////////////////////////////////////////////////////////////////////////////
// JabberDbSettingChanged - process database changes

static TCHAR* sttSettingToTchar(DBCONTACTWRITESETTING* cws)
{
	switch(cws->value.type) {
	case DBVT_ASCIIZ:
		return mir_a2t(cws->value.pszVal);

	case DBVT_UTF8:
		return mir_utf8decodeT(cws->value.pszVal);

	case DBVT_WCHAR:
		return mir_u2t(cws->value.pwszVal);
	}
	return NULL;
}

void __cdecl CJabberProto::OnRenameGroup(DBCONTACTWRITESETTING* cws, HANDLE hContact)
{
	DBVARIANT jid, dbv;
	if (getTString(hContact, "jid", &jid))
		return;

	JABBER_LIST_ITEM *item = ListGetItemPtr(LIST_ROSTER, jid.ptszVal);
	db_free(&jid);
	if (item == NULL)
		return;

	TCHAR *nick;
	if ( !db_get_ts(hContact, "CList", "MyHandle", &dbv)) {
		nick = mir_tstrdup(dbv.ptszVal);
		db_free(&dbv);
	}
	else if ( !getTString(hContact, "Nick", &dbv)) {
		nick = mir_tstrdup(dbv.ptszVal);
		db_free(&dbv);
	}
	else nick = JabberNickFromJID(item->jid);
	if (nick == NULL)
		return;

	if (cws->value.type == DBVT_DELETED) {
		if (item->group != NULL) {
			Log("Group set to nothing");
			AddContactToRoster(item->jid, nick, NULL);
		}
	}
	else {
		TCHAR *p = sttSettingToTchar(cws);
		if (cws->value.pszVal != NULL && lstrcmp(p, item->group)) {
			Log("Group set to %S", p);
			if (p)
				AddContactToRoster(item->jid, nick, p);
		}
		mir_free(p);
	}
	mir_free(nick);
}

void __cdecl CJabberProto::OnRenameContact(DBCONTACTWRITESETTING* cws, HANDLE hContact)
{
	DBVARIANT jid;
	if (getTString(hContact, "jid", &jid))
		return;

	JABBER_LIST_ITEM *item = ListGetItemPtr(LIST_ROSTER, jid.ptszVal);
	db_free(&jid);
	if (item == NULL)
		return;

	if (cws->value.type == DBVT_DELETED) {
		TCHAR *nick = pcli->pfnGetContactDisplayName(hContact, GCDNF_NOMYHANDLE);
		AddContactToRoster(item->jid, nick, item->group);
		mir_free(nick);
		return;
	}

	ptrT newNick( sttSettingToTchar(cws));
	if (newNick && lstrcmp(item->nick, newNick)) {
		Log("Renaming contact %S: %S -> %S", item->jid, item->nick, newNick);
		AddContactToRoster(item->jid, newNick, item->group);
	}
}

void __cdecl CJabberProto::OnAddContactForever(DBCONTACTWRITESETTING *cws, HANDLE hContact)
{
	if (cws->value.type != DBVT_DELETED && !(cws->value.type==DBVT_BYTE && cws->value.bVal==0))
		return;

	ptrT jid( getTStringA(hContact, "jid"));
	if (jid == NULL)
		return;

	Log("Add %S permanently to list", jid);
	ptrT nick( db_get_tsa(hContact, "CList", "MyHandle"));
	if (nick == NULL)
		nick = getTStringA(hContact, "Nick");
	if (nick == NULL)
		nick = JabberNickFromJID(jid);
	if (nick == NULL)
		return;

	AddContactToRoster(jid, nick, ptrT( db_get_tsa(hContact, "CList", "Group")));

	XmlNode xPresence(_T("presence")); xPresence << XATTR(_T("to"), LPCTSTR(jid)) << XATTR(_T("type"), _T("subscribe"));
	ptrT myNick( getTStringA(NULL, "Nick"));
	if (myNick != NULL)
		xPresence << XCHILD(_T("nick"), LPCTSTR(myNick)) << XATTR(_T("xmlns"), JABBER_FEAT_NICK);
	m_ThreadInfo->send(xPresence);

	SendGetVcard(jid);

	db_unset(hContact, "CList", "Hidden");
}

int __cdecl CJabberProto::OnDbSettingChanged(WPARAM wParam, LPARAM lParam)
{
	HANDLE hContact = (HANDLE)wParam;
	if (hContact == NULL || !m_bJabberOnline)
		return 0;

	DBCONTACTWRITESETTING* cws = (DBCONTACTWRITESETTING*)lParam;
	if (strcmp(cws->szModule, "CList"))
		return 0;

	if ( !strcmp(cws->szSetting, "Group"))
		OnRenameGroup(cws, hContact);
	else if ( !strcmp(cws->szSetting, "MyHandle"))
		OnRenameContact(cws, hContact);
	else if ( !strcmp(cws->szSetting, "NotOnList"))
		OnAddContactForever(cws, hContact);

	return 0;
}

/////////////////////////////////////////////////////////////////////////////////////////
// OnIdleChanged - tracks idle start time for XEP-0012 support

int CJabberProto::OnIdleChanged(WPARAM, LPARAM lParam)
{
	// don't report idle time, if user disabled
	if (lParam & IDF_PRIVACY) {
		m_tmJabberIdleStartTime = 0;
		return 0;
	}

	if (lParam & IDF_ISIDLE) {
		MIRANDA_IDLE_INFO mii = { sizeof(mii) };
		CallService(MS_IDLE_GETIDLEINFO, 0, (LPARAM)&mii);
		m_tmJabberIdleStartTime = time(0) - mii.idleTime * 60;
	}
	else m_tmJabberIdleStartTime = 0;

	return 0;
}