/*

Miranda IM: the free IM client for Microsoft* Windows*

Copyright 2000-2008 Miranda ICQ/IM project, 
all portions of this codebase are copyrighted to the people 
listed in contributors.txt.

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 "hdr/modern_commonheaders.h"
#include "m_clui.h"
#include "hdr/modern_clist.h"
#include "hdr/modern_commonprototypes.h"

struct 
{
	int m_cache_nStatus,order;
} statusModeOrder[]={
	{ID_STATUS_OFFLINE,500},
	{ID_STATUS_ONLINE,10},
	{ID_STATUS_AWAY,200},
	{ID_STATUS_DND,110},
	{ID_STATUS_NA,450},
	{ID_STATUS_OCCUPIED,100},
	{ID_STATUS_FREECHAT,0},
	{ID_STATUS_INVISIBLE,20},
	{ID_STATUS_ONTHEPHONE,150},
	{ID_STATUS_OUTTOLUNCH,425}};

static int GetContactStatus(HANDLE hContact)
{
	return (GetContactCachedStatus(hContact));
}


void cli_ChangeContactIcon(HANDLE hContact,int iIcon,int add)
{
	corecli.pfnChangeContactIcon((HANDLE) hContact,(int) iIcon,(int) add);
}

static int GetStatusModeOrdering(int statusMode)
{
	int i;
	for(i=0;i<SIZEOF(statusModeOrder);i++)
		if(statusModeOrder[i].m_cache_nStatus==statusMode) return statusModeOrder[i].order;
	return 1000;
}


DWORD CompareContacts2_getLMTime(HANDLE hContact)
{
	HANDLE hDbEvent;
	DBEVENTINFO dbei = {0};

	hDbEvent = (HANDLE)CallService(MS_DB_EVENT_FINDLAST, (WPARAM)hContact, 0);
	while(hDbEvent) {
		dbei.cbSize = sizeof(dbei);
		dbei.pBlob = 0;
		dbei.cbBlob = 0;
		CallService(MS_DB_EVENT_GET, (WPARAM)hDbEvent, (LPARAM)&dbei);
		if(dbei.eventType == EVENTTYPE_MESSAGE && !(dbei.flags & DBEF_SENT))
			return dbei.timestamp;
		hDbEvent = (HANDLE)CallService(MS_DB_EVENT_FINDPREV, (WPARAM)hDbEvent, 0);
	}
	return 0;
}

#define SAFESTRING(a) a?a:""
#define SAFETSTRING(a) a?a:_T("")

int GetProtoIndex(char * szName)
{
	PROTOACCOUNT **accs=NULL;
	int accCount=0;
	int i;
    if (!szName) return -1;
	ProtoEnumAccounts( &accCount, &accs );    
	for (i=0; i<accCount; i++)
		if (!mir_strcmpi(szName,accs[i]->szModuleName))
			return accs[i]->iOrder;
    return -1;
}

int CompareContacts2(const struct ClcContact *contact1,const struct ClcContact *contact2, int by)
{

	HANDLE a;
	HANDLE b;
	TCHAR *namea, *nameb;
	int statusa,statusb;
	char *szProto1,*szProto2;
	
	if ((INT_PTR)contact1<100 || (INT_PTR)contact2<100) return 0;
	
	a=contact1->hContact;
	b=contact2->hContact;
	
	namea=(TCHAR *)contact1->szText;
	statusa=GetContactCachedStatus(contact1->hContact);
	szProto1=contact1->proto;
	
	nameb=(TCHAR *)contact2->szText;
	statusb=GetContactCachedStatus(contact2->hContact);
	szProto2=contact2->proto;


	if (by==SORTBY_STATUS) 
	{ //status
		int ordera,orderb;
		ordera=GetStatusModeOrdering(statusa);
		orderb=GetStatusModeOrdering(statusb);
		if(ordera!=orderb) return ordera-orderb;
		else return 0;
	}


	if(g_CluiData.fSortNoOfflineBottom==0 && (statusa==ID_STATUS_OFFLINE)!=(statusb==ID_STATUS_OFFLINE)) { //one is offline: offline goes below online
		return 2*(statusa==ID_STATUS_OFFLINE)-1;
	}

	if (by==SORTBY_NAME) 
	{ //name
		return mir_tstrcmpi(namea,nameb);
	} 
	if (by==SORTBY_NAME_LOCALE) 
	{ //name
		static int LocaleId=-1;
		if (LocaleId==-1) LocaleId=CallService(MS_LANGPACK_GETLOCALE,0,0);
		return (CompareString(LocaleId,NORM_IGNORECASE,SAFETSTRING(namea),-1,SAFETSTRING(nameb),-1))-2;
	} 
	else if (by==SORTBY_LASTMSG) 
	{ //last message
		DWORD ta=CompareContacts2_getLMTime(a);
		DWORD tb=CompareContacts2_getLMTime(b);
		return tb-ta;
	} 
	else if (by==SORTBY_PROTO) 
	{
		int rc=GetProtoIndex(szProto1)-GetProtoIndex(szProto2);

		if (rc != 0 && (szProto1 != NULL && szProto2 != NULL)) return rc;
	}
    else if (by==SORTBY_RATE)
        return contact2->bContactRate-contact1->bContactRate;
	// else :o)
	return 0;
}

int cliCompareContacts(const struct ClcContact *contact1,const struct ClcContact *contact2)
{
	int i, r;
	for (i=0; i<SIZEOF(g_CluiData.bSortByOrder); i++) 
	{
		r=CompareContacts2(contact1, contact2, g_CluiData.bSortByOrder[i]);
		if (r!=0)
			return r;
	}
	return 0;
}

#undef SAFESTRING

INT_PTR ContactChangeGroup(WPARAM wParam,LPARAM lParam)
{
	CallService(MS_CLUI_CONTACTDELETED,wParam,0);
	if ((HANDLE)lParam==NULL)
		ModernDeleteSetting((HANDLE)wParam,"CList","Group");
	else
		ModernWriteSettingTString((HANDLE)wParam,"CList","Group",pcli->pfnGetGroupName(lParam, NULL));
	CallService(MS_CLUI_CONTACTADDED,wParam,ExtIconFromStatusMode((HANDLE)wParam,(char*)CallService(MS_PROTO_GETCONTACTBASEPROTO,wParam,0),GetContactStatus((HANDLE)wParam)));
	return 0;
}

INT_PTR ToggleHideOffline(WPARAM wParam,LPARAM lParam)
{
	return pcli->pfnSetHideOffline((WPARAM)-1,0);
}

INT_PTR ToggleGroups(WPARAM wParam,LPARAM lParam)
{

	ModernWriteSettingByte(NULL, "CList", "UseGroups",
				(BYTE) !ModernGetSettingByte(NULL, "CList", "UseGroups", SETTING_USEGROUPS_DEFAULT));
	pcli->pfnLoadContactTree();
	return 0;
}

INT_PTR SetUseGroups(WPARAM wParam, LPARAM lParam)
{	
	int newVal= !(GetWindowLongPtr(pcli->hwndContactTree,GWL_STYLE)&CLS_USEGROUPS);
	if ( wParam != -1 )
	{
		if ( !newVal == wParam ) return 0;
		newVal = wParam;
	}
	ModernWriteSettingByte(NULL,"CList","UseGroups",(BYTE)newVal);
	SendMessage(pcli->hwndContactTree,CLM_SETUSEGROUPS,newVal,0);
	return 0;
}

INT_PTR ToggleSounds(WPARAM wParam,LPARAM lParam)
{
	ModernWriteSettingByte(NULL, "Skin", "UseSound",
		(BYTE) !ModernGetSettingByte(NULL, "Skin", "UseSound", SETTING_ENABLESOUNDS_DEFAULT ));
	return 0;
}