/*
	StartupStatus Plugin for Miranda-IM (www.miranda-im.org)
	Copyright 2003-2006 P. Boon

	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 "..\stdafx.h"

#define MAX_MMITEMS		6

extern HINSTANCE hInst;
extern int protoCount;

static int menuprofiles[MAX_MMITEMS];
static int mcount = 0;

static PROFILECE *pce = NULL;
static int pceCount = 0;

static UINT_PTR releaseTtbTimerId = 0;

static HANDLE hTBModuleLoadedHook;
static HANDLE hMessageHook = NULL;

static HWND hMessageWindow = NULL;
static HKINFO *hkInfo = NULL;
static int hkiCount = 0;

static HANDLE* ttbButtons = NULL;
static int ttbButtonCount = 0;

HANDLE hTTBModuleLoadedHook;

static INT_PTR profileService(WPARAM, LPARAM, LPARAM param)
{
	LoadAndSetProfile((WPARAM)menuprofiles[param], 0);
	return 0;
}

static int CreateMainMenuItems(WPARAM, LPARAM)
{
	CMenuItem mi;
	mi.position = 2000100000;
	mi.flags = CMIF_UNICODE;
	mi.hLangpack = hSSLangpack;
	mcount = 0;
	int count = GetProfileCount(0, 0);
	for (int i = 0; i < count && mcount < MAX_MMITEMS; i++) {
		wchar_t profilename[128];
		if (!db_get_b(NULL, SSMODULENAME, OptName(i, SETTING_CREATEMMITEM), 0) || GetProfileName(i, (LPARAM)profilename))
			continue;

		if (db_get_b(NULL, SSMODULENAME, OptName(i, SETTING_INSUBMENU), 1) && !mi.root) {
			mi.root = Menu_CreateRoot(MO_STATUS, LPGENW("Status profiles"), 2000100000, 0, hSSLangpack);
			Menu_ConfigureItem(mi.root, MCI_OPT_UID, "1AB30D51-BABA-4B27-9288-1A12278BAD8D");
		}

		char servicename[128];
		mir_snprintf(servicename, "%s%d", MS_SS_MENUSETPROFILEPREFIX, mcount);
		CreateServiceFunctionParam(servicename, profileService, mcount);

		mi.name.w = profilename;
		mi.position = 2000100000 + mcount;
		mi.pszService = servicename;
		if (Menu_AddStatusMenuItem(&mi))
			menuprofiles[mcount++] = i;
	}

	return 0;
}

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

INT_PTR GetProfileName(WPARAM wParam, LPARAM lParam)
{
	int profile = (int)wParam;
	if (profile < 0) // get default profile
		profile = db_get_w(NULL, SSMODULENAME, SETTING_DEFAULTPROFILE, 0);

	int count = db_get_w(NULL, SSMODULENAME, SETTING_PROFILECOUNT, 0);
	if (profile >= count && count > 0)
		return -1;

	wchar_t* buf = (wchar_t*)lParam;
	if (count == 0) {
		wcsncpy(buf, TranslateT("default"), 128 - 1);
		return 0;
	}

	DBVARIANT dbv;
	char setting[80];
	mir_snprintf(setting, "%d_%s", profile, SETTING_PROFILENAME);
	if (db_get_ws(NULL, SSMODULENAME, setting, &dbv))
		return -1;

	wcsncpy(buf, dbv.ptszVal, 128 - 1); buf[127] = 0;
	db_free(&dbv);
	return 0;
}

INT_PTR GetProfileCount(WPARAM wParam, LPARAM)
{
	int *def = (int*)wParam;
	int count = db_get_w(NULL, SSMODULENAME, SETTING_PROFILECOUNT, 1);
	if (def != 0) {
		*def = db_get_w(NULL, SSMODULENAME, SETTING_DEFAULTPROFILE, 0);
		if (*def >= count)
			*def = 0;
	}

	return count;
}

wchar_t *GetStatusMessage(int profile, char *szProto)
{
	char dbSetting[80];
	DBVARIANT dbv;

	for (int i = 0; i < pceCount; i++) {
		if ((pce[i].profile == profile) && (!mir_strcmp(pce[i].szProto, szProto))) {
			mir_snprintf(dbSetting, "%d_%s_%s", profile, szProto, SETTING_PROFILE_STSMSG);
			if (!db_get_ws(NULL, SSMODULENAME, dbSetting, &dbv)) { // reload from db
				pce[i].msg = (wchar_t*)realloc(pce[i].msg, sizeof(wchar_t)*(mir_wstrlen(dbv.ptszVal) + 1));
				if (pce[i].msg != NULL) {
					mir_wstrcpy(pce[i].msg, dbv.ptszVal);
				}
				db_free(&dbv);
			}
			else {
				if (pce[i].msg != NULL) {
					free(pce[i].msg);
					pce[i].msg = NULL;
				}
			}
			return pce[i].msg;
		}
	}
	pce = (PROFILECE*)realloc(pce, (pceCount + 1)*sizeof(PROFILECE));
	if (pce == NULL)
		return NULL;

	pce[pceCount].profile = profile;
	pce[pceCount].szProto = _strdup(szProto);
	pce[pceCount].msg = NULL;
	mir_snprintf(dbSetting, "%d_%s_%s", profile, szProto, SETTING_PROFILE_STSMSG);
	if (!db_get_ws(NULL, SSMODULENAME, dbSetting, &dbv)) {
		pce[pceCount].msg = wcsdup(dbv.ptszVal);
		db_free(&dbv);
	}
	pceCount++;

	return pce[pceCount - 1].msg;
}

int GetProfile(int profile, TSettingsList& arSettings)
{
	if (profile < 0) // get default profile
		profile = db_get_w(NULL, SSMODULENAME, SETTING_DEFAULTPROFILE, 0);

	int count = db_get_w(NULL, SSMODULENAME, SETTING_PROFILECOUNT, 0);
	if (profile >= count && count > 0)
		return -1;

	arSettings.destroy();

	// if count == 0, continue so the default profile will be returned
	PROTOACCOUNT** protos;
	Proto_EnumAccounts(&count, &protos);

	for (int i = 0; i < count; i++)
		if (IsSuitableProto(protos[i]))
			arSettings.insert(new TSSSetting(profile, protos[i]));

	return (arSettings.getCount() == 0) ? -1 : 0;
}

static void CALLBACK releaseTtbTimerFunction(HWND, UINT, UINT_PTR, DWORD)
{
	KillTimer(NULL, releaseTtbTimerId);
	for (int i = 0; i < ttbButtonCount; i++)
		CallService(MS_TTB_SETBUTTONSTATE, (WPARAM)ttbButtons[i], 0);
}

INT_PTR LoadAndSetProfile(WPARAM iProfileNo, LPARAM)
{
	// wParam == profile no.
	int profile = (int)iProfileNo;
	TSettingsList profileSettings(10, SSCompareSettings);
	if (!GetProfile(profile, profileSettings)) {
		profile = (profile >= 0) ? profile : db_get_w(NULL, SSMODULENAME, SETTING_DEFAULTPROFILE, 0);

		char setting[64];
		mir_snprintf(setting, "%d_%s", profile, SETTING_SHOWCONFIRMDIALOG);
		if (!db_get_b(NULL, SSMODULENAME, setting, 0))
			CallService(MS_CS_SETSTATUSEX, (WPARAM)&profileSettings, 0);
		else
			CallService(MS_CS_SHOWCONFIRMDLGEX, (WPARAM)&profileSettings, (LPARAM)db_get_dw(NULL, SSMODULENAME, SETTING_DLGTIMEOUT, 5));
	}

	// add timer here
	if (hTTBModuleLoadedHook)
		releaseTtbTimerId = SetTimer(NULL, 0, 100, releaseTtbTimerFunction);

	return 0;
}

static UINT GetFsModifiers(WORD wHotKey)
{
	UINT fsm = 0;
	if (HIBYTE(wHotKey)&HOTKEYF_ALT)
		fsm |= MOD_ALT;
	if (HIBYTE(wHotKey)&HOTKEYF_CONTROL)
		fsm |= MOD_CONTROL;
	if (HIBYTE(wHotKey)&HOTKEYF_SHIFT)
		fsm |= MOD_SHIFT;
	if (HIBYTE(wHotKey)&HOTKEYF_EXT)
		fsm |= MOD_WIN;

	return fsm;
}

static DWORD CALLBACK MessageWndProc(HWND, UINT msg, WPARAM wParam, LPARAM)
{
	if (msg == WM_HOTKEY) {
		for (int i = 0; i < hkiCount; i++)
			if ((int)hkInfo[i].id == wParam)
				LoadAndSetProfile((WPARAM)hkInfo[i].profile, 0);
	}

	return TRUE;
}

static int UnregisterHotKeys()
{
	if (hkInfo != NULL) {
		for (int i = 0; i < hkiCount; i++) {
			UnregisterHotKey(hMessageWindow, (int)hkInfo[i].id);
			GlobalDeleteAtom(hkInfo[i].id);
		}
		free(hkInfo);
	}
	DestroyWindow(hMessageWindow);

	hkiCount = 0;
	hkInfo = NULL;
	hMessageWindow = NULL;

	return 0;
}

// assumes UnregisterHotKeys was called before
static int RegisterHotKeys()
{
	hMessageWindow = CreateWindowEx(0, L"STATIC", NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL);
	SetWindowLongPtr(hMessageWindow, GWLP_WNDPROC, (LONG_PTR)MessageWndProc);

	int count = GetProfileCount(0, 0);
	for (int i = 0; i < count; i++) {
		if (!db_get_b(NULL, SSMODULENAME, OptName(i, SETTING_REGHOTKEY), 0))
			continue;

		WORD wHotKey = db_get_w(NULL, SSMODULENAME, OptName(i, SETTING_HOTKEY), 0);
		hkInfo = (HKINFO*)realloc(hkInfo, (hkiCount + 1)*sizeof(HKINFO));
		if (hkInfo == NULL)
			return -1;

		char atomname[255];
		mir_snprintf(atomname, "StatusProfile_%d", i);
		hkInfo[hkiCount].id = GlobalAddAtomA(atomname);
		if (hkInfo[hkiCount].id == 0)
			continue;

		hkInfo[hkiCount].profile = i;
		hkiCount++;
		RegisterHotKey(hMessageWindow, (int)hkInfo[hkiCount - 1].id, GetFsModifiers(wHotKey), LOBYTE(wHotKey));
	}

	if (hkiCount == 0)
		UnregisterHotKeys();

	return 0;
}

int SSLoadMainOptions()
{
	if (hTTBModuleLoadedHook) {
		RemoveTopToolbarButtons();
		CreateTopToolbarButtons(0, 0);
	}

	UnregisterHotKeys();
	RegisterHotKeys();
	return 0;
}

int LoadProfileModule()
{
	CreateServiceFunction(MS_SS_LOADANDSETPROFILE, LoadAndSetProfile);
	return 0;
}

int InitProfileModule()
{
	hTTBModuleLoadedHook = HookEvent(ME_TTB_MODULELOADED, CreateTopToolbarButtons);

	HookEvent(ME_CLIST_PREBUILDSTATUSMENU, CreateMainMenuItems);

	CreateMainMenuItems(0, 0);
	RegisterHotKeys();
	return 0;
}

int DeinitProfilesModule()
{
	if (pce) {
		for (int i = 0; i < pceCount; i++)
			free(pce[i].szProto);
		free(pce);
	}

	UnregisterHotKeys();
	RemoveTopToolbarButtons();
	return 0;
}