/*
IRC plugin for Miranda IM

Copyright (C) 2003-05 Jurgen Persson
Copyright (C) 2007-09 George Hazan

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 "irc.h"

BOOL CIrcProto::CList_AddDCCChat(const CMString& name, const CMString& hostmask, unsigned long adr, int port) 
{
	HANDLE hContact;
	HANDLE hc;
	TCHAR szNick[256];
	char szService[256];
	bool bFlag = false;

	CONTACT usertemp = { (TCHAR*)name.c_str(), NULL, NULL, false, false, true};
	hc = CList_FindContact( &usertemp );
	if ( hc && db_get_b( hc, "CList", "NotOnList", 0) == 0
		&& db_get_b(hc,"CList", "Hidden", 0) == 0)
	{
		bFlag = true;
	}

	CMString contactname = name; contactname += _T(DCCSTRING);

	CONTACT user = { (TCHAR*)contactname.c_str(), NULL, NULL, false, false, true};
	hContact = CList_AddContact(&user, false, false);
	setByte(hContact, "DCC", 1);

	DCCINFO* pdci = new DCCINFO;
	pdci->sHostmask = hostmask;
	pdci->hContact = hContact;
	pdci->dwAdr = (DWORD) adr;
	pdci->iPort = port;
	pdci->iType = DCC_CHAT;
	pdci->bSender = false;
	pdci->sContactName = name;

	if ( m_DCCChatAccept == 3 || m_DCCChatAccept == 2 && bFlag ) {
		CDccSession* dcc = new CDccSession( this, pdci );

		CDccSession* olddcc = FindDCCSession(hContact);
		if ( olddcc )
			olddcc->Disconnect();

		AddDCCSession(hContact, dcc);
		dcc->Connect();
		if (getByte( "MirVerAutoRequest", 1))
		  PostIrcMessage( _T("/PRIVMSG %s \001VERSION\001"), name.c_str());
	}
	else {
		CLISTEVENT cle = {0};
		cle.cbSize = sizeof(cle);
		cle.hContact = (HANDLE)hContact;
		cle.hDbEvent = (HANDLE)"dccchat";	
		cle.flags = CLEF_TCHAR;
		cle.hIcon = LoadIconEx(IDI_DCC);
		mir_snprintf( szService, sizeof(szService),"%s/DblClickEvent", m_szModuleName);
		cle.pszService = szService ;
		mir_sntprintf( szNick, SIZEOF(szNick), TranslateT("CTCP chat request from %s"), name.c_str());
		cle.ptszTooltip = szNick;
		cle.lParam = (LPARAM)pdci;

		if ( CallService(MS_CLIST_GETEVENT, (WPARAM)hContact, 0))
			CallService(MS_CLIST_REMOVEEVENT, (WPARAM)hContact, (LPARAM)"dccchat");
		CallService(MS_CLIST_ADDEVENT,(WPARAM) hContact,(LPARAM) &cle);
	}
	return TRUE;
}

HANDLE CIrcProto::CList_AddContact(CONTACT * user, bool InList, bool SetOnline)
{
	if (user->name == NULL)
		return 0;
	
	HANDLE hContact = CList_FindContact(user);
	if ( hContact ) {
		if ( InList )
			db_unset( hContact, "CList", "NotOnList" );
		setTString(hContact, "Nick", user->name);
		db_unset(hContact, "CList", "Hidden");
		if (SetOnline && getWord(hContact, "Status", ID_STATUS_OFFLINE)== ID_STATUS_OFFLINE)
			setWord(hContact, "Status", ID_STATUS_ONLINE);
		return hContact;
	}
	
	// here we create a new one since no one is to be found
	hContact = (HANDLE)CallService(MS_DB_CONTACT_ADD, 0, 0);
	if ( hContact ) {
		CallService(MS_PROTO_ADDTOCONTACT, (WPARAM) hContact, (LPARAM)m_szModuleName );

		if ( InList )
			db_unset(hContact, "CList", "NotOnList");
		else
			db_set_b(hContact, "CList", "NotOnList", 1);
		db_unset(hContact, "CList", "Hidden");
		setTString(hContact, "Nick", user->name);
		setTString(hContact, "Default", user->name);
		setWord(hContact, "Status", SetOnline ? ID_STATUS_ONLINE:ID_STATUS_OFFLINE);
		if ( !InList && getByte( "MirVerAutoRequestTemp", 0))
			PostIrcMessage( _T("/PRIVMSG %s \001VERSION\001"), user->name);
		return hContact;
	}
	return false;
}

HANDLE CIrcProto::CList_SetOffline(struct CONTACT * user)
{
	DBVARIANT dbv;
	HANDLE hContact = CList_FindContact(user);
	if ( hContact ) {
		if ( !getTString( hContact, "Default", &dbv )) {
			setString(hContact, "User", "");
			setString(hContact, "Host", "");
			setTString(hContact, "Nick", dbv.ptszVal);
			setWord(hContact, "Status", ID_STATUS_OFFLINE);
			db_free(&dbv);
			return hContact;
	}	}

	return 0;
}

bool CIrcProto::CList_SetAllOffline(BYTE ChatsToo)
{
	DBVARIANT dbv;

	DisconnectAllDCCSessions(false);

	for (HANDLE hContact = db_find_first(m_szModuleName); hContact; hContact = db_find_next(hContact, m_szModuleName)) {
		if ( getByte( hContact, "ChatRoom", 0 ))
			continue;

		if ( getByte(hContact, "DCC", 0 ) != 0 ) {
			if ( ChatsToo )
				setWord(hContact, "Status", ID_STATUS_OFFLINE);
		}
		else if ( !getTString( hContact, "Default", &dbv )) {
			setTString( hContact, "Nick", dbv.ptszVal);
			setWord( hContact, "Status", ID_STATUS_OFFLINE );
			db_free( &dbv );
		}
		db_unset( hContact, m_szModuleName, "IP" );
		setString( hContact, "User", "" );
		setString( hContact, "Host", "" );
	}
	return true;
}

HANDLE CIrcProto::CList_FindContact (CONTACT* user) 
{
	if ( !user || !user->name )
		return 0;
	
	TCHAR* lowercasename = mir_tstrdup( user->name );
	CharLower(lowercasename);
	
	DBVARIANT dbv1;
	DBVARIANT dbv2;	
	DBVARIANT dbv3;	
	DBVARIANT dbv4;	
	DBVARIANT dbv5;	

	for (HANDLE hContact = db_find_first(m_szModuleName); hContact; hContact = db_find_next(hContact, m_szModuleName)) {
		if ( getByte( hContact, "ChatRoom", 0))
			continue;

		HANDLE hContact_temp = NULL;
		TCHAR* DBDefault = NULL;
		TCHAR* DBNick = NULL;
		TCHAR* DBWildcard = NULL;
		TCHAR* DBUser = NULL;
		TCHAR* DBHost = NULL;
		if ( !getTString(hContact, "Default",   &dbv1)) DBDefault = dbv1.ptszVal;
		if ( !getTString(hContact, "Nick",      &dbv2)) DBNick = dbv2.ptszVal;
		if ( !getTString(hContact, "UWildcard", &dbv3)) DBWildcard = dbv3.ptszVal;
		if ( !getTString(hContact, "UUser",     &dbv4)) DBUser = dbv4.ptszVal;
		if ( !getTString(hContact, "UHost",     &dbv5)) DBHost = dbv5.ptszVal;
				
		if ( DBWildcard )
			CharLower( DBWildcard );
		if ( IsChannel( user->name )) {
			if ( DBDefault && !lstrcmpi( DBDefault, user->name ))
				hContact_temp = (HANDLE)-1;
		}
		else if ( user->ExactNick && DBNick && !lstrcmpi( DBNick, user->name ))
			hContact_temp = hContact;
				
		else if ( user->ExactOnly && DBDefault && !lstrcmpi( DBDefault, user->name ))
			hContact_temp = hContact;
			
		else if ( user->ExactWCOnly ) {
			if ( DBWildcard && !lstrcmpi( DBWildcard, lowercasename ) 
				|| ( DBWildcard && !lstrcmpi( DBNick, lowercasename ) && !WCCmp( DBWildcard, lowercasename ))
				|| ( !DBWildcard && !lstrcmpi(DBNick, lowercasename)))
			{
				hContact_temp = hContact;
			}
		}
		else if ( _tcschr(user->name, ' ' ) == 0 ) {
			if (( DBDefault && !lstrcmpi(DBDefault, user->name) || DBNick && !lstrcmpi(DBNick, user->name) || 
					DBWildcard && WCCmp( DBWildcard, lowercasename ))
				&& ( WCCmp(DBUser, user->user) && WCCmp(DBHost, user->host)))
			{
				hContact_temp = hContact;
		}	}

		if ( DBDefault )   db_free(&dbv1);
		if ( DBNick )      db_free(&dbv2);
		if ( DBWildcard )  db_free(&dbv3);
		if ( DBUser )      db_free(&dbv4);
		if ( DBHost )      db_free(&dbv5);

		if ( hContact_temp != NULL ) {
			mir_free(lowercasename);
			if ( hContact_temp != (HANDLE)-1 )
				return hContact_temp;
			return 0;
		}
	}
	mir_free(lowercasename);
	return 0;
}