/*

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

Copyright 2000-2009 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 "commonheaders.h"

#define AA_MODULE "AutoAway"

static int iBreakSounds = 0;

static int AutoAwaySound(WPARAM, LPARAM lParam)
{
	return iBreakSounds;
}

///////////////////////////////////////////////////////////////////////////////

static bool Proto_IsAccountEnabled(PROTOACCOUNT* pa)
{
	return pa && ((pa->bIsEnabled && !pa->bDynDisabled) || pa->bOldProto);
}

static bool Proto_IsAccountLocked(PROTOACCOUNT* pa)
{
	return pa && db_get_b(NULL, pa->szModuleName, "LockMainStatus", 0) != 0;
}

static void Proto_SetStatus(const char* szProto, unsigned status)
{
	if ( CallProtoService(szProto, PS_GETCAPS, PFLAGNUM_1, 0) & PF1_MODEMSGSEND) {
		TCHAR* awayMsg = (TCHAR*)CallService(MS_AWAYMSG_GETSTATUSMSGW, (WPARAM) status, (LPARAM) szProto);
		if ((INT_PTR)awayMsg == CALLSERVICE_NOTFOUND) {
			char* awayMsgA = (char*)CallService(MS_AWAYMSG_GETSTATUSMSG, (WPARAM) status, (LPARAM) szProto);
			if ((INT_PTR)awayMsgA != CALLSERVICE_NOTFOUND) {
				awayMsg = mir_a2t(awayMsgA);
				mir_free(awayMsgA);
			}
		}
		if ((INT_PTR)awayMsg != CALLSERVICE_NOTFOUND) {
			CallProtoService(szProto, PS_SETAWAYMSGT, status, (LPARAM) awayMsg);
			mir_free(awayMsg);
		}
	}

	CallProtoService(szProto, PS_SETSTATUS, status, 0);
}

static int AutoAwayEvent(WPARAM, LPARAM lParam)
{
	MIRANDA_IDLE_INFO mii;
	mii.cbSize = sizeof(mii);
	CallService(MS_IDLE_GETIDLEINFO, 0, (LPARAM)&mii);
	if (mii.aaStatus == 0)
		return 0;

	int numAccounts;
	PROTOACCOUNT** accounts;
	ProtoEnumAccounts(&numAccounts, &accounts);

	for (int i=0; i < numAccounts; i++) {
		PROTOACCOUNT* pa = accounts[i];

		if ( !Proto_IsAccountEnabled(pa) || Proto_IsAccountLocked(pa)) continue;

		int statusbits = CallProtoService(pa->szModuleName, PS_GETCAPS, PFLAGNUM_2, 0);
		int currentstatus = CallProtoService(pa->szModuleName, PS_GETSTATUS, 0, 0);
		int status = mii.aaStatus;
		if ( !(statusbits & Proto_Status2Flag(status))) {
			// the protocol doesnt support the given status
			if (statusbits & Proto_Status2Flag(ID_STATUS_AWAY))
				status = ID_STATUS_AWAY;
			// the proto doesnt support user mode or even away, bail.
			else
				continue;
		}
		if (currentstatus >= ID_STATUS_ONLINE && currentstatus != ID_STATUS_INVISIBLE) {			
			if ((lParam & IDF_ISIDLE) && (currentstatus == ID_STATUS_ONLINE || currentstatus == ID_STATUS_FREECHAT))  {
				db_set_b(NULL, AA_MODULE, pa->szModuleName, 1);
				Proto_SetStatus(pa->szModuleName, status);
			}
			else if ( !(lParam & IDF_ISIDLE) && db_get_b(NULL, AA_MODULE, pa->szModuleName, 0)) {
				// returning from idle and this proto was set away, set it back
				db_set_b(NULL, AA_MODULE, pa->szModuleName, 0);
				if ( !mii.aaLock)
					Proto_SetStatus(pa->szModuleName, ID_STATUS_ONLINE);
	}	}	}

	if (mii.idlesoundsoff)
		iBreakSounds = (lParam & IDF_ISIDLE) != 0;

	return 0;
}

int LoadAutoAwayModule(void)
{
	HookEvent(ME_SKIN_PLAYINGSOUND, AutoAwaySound);
	HookEvent(ME_IDLE_CHANGED, AutoAwayEvent);
	return 0;
}