/*

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

Copyright (c) 2012-14 Miranda NG project (http://miranda-ng.org),
Copyright (c) 2000-08 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 = db_event_last(hContact);
	while(hDbEvent) {
		DBEVENTINFO dbei = { sizeof(dbei) };
		db_event_get(hDbEvent, &dbei);
		if (dbei.eventType == EVENTTYPE_MESSAGE && !(dbei.flags & DBEF_SENT))
			return dbei.timestamp;
		hDbEvent = db_event_prev(hDbEvent);
	}
	return 0;
}

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

int GetProtoIndex(char * szName)
{
	if (szName) {
		PROTOACCOUNT **accs = NULL;
		int accCount = 0;
		ProtoEnumAccounts( &accCount, &accs );

		for (int i=0; i < accCount; i++)
			if ( !mir_strcmpi(szName, accs[i]->szModuleName))
				return accs[i]->iOrder;
	}

	return -1;
}

int CompareContacts2(const ClcContact *contact1,const 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 ClcContact *contact1,const 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 ToggleHideOffline(WPARAM wParam,LPARAM lParam)
{
	return pcli->pfnSetHideOffline((WPARAM)-1,0);
}

INT_PTR ToggleGroups(WPARAM wParam,LPARAM lParam)
{
	db_set_b(NULL, "CList", "UseGroups",
				(BYTE) !db_get_b(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;
	}
	db_set_b(NULL,"CList","UseGroups",(BYTE)newVal);
	SendMessage(pcli->hwndContactTree,CLM_SETUSEGROUPS,newVal,0);
	return 0;
}

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