// History Linklist Plus
// Copyright (C) 2010 Thomas Wendel, gureedo
// 
// 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.


#include "stdafx.h"

extern MWindowList hWindowList;

/*
The hyperlink detection in this function is taken from the
Miranda core. It looks a bit sophisticated. I'd made a few
changes but I didn't really understand what these guys did!
Great job! It works! ;-)
*/
int ExtractURI(DBEVENTINFO *dbei, MEVENT hEvent, LISTELEMENT *listStart)
{
	size_t wordStart, i, j, wordlen, iLastAlphaNum;
	size_t charCount = 0, cpLastAlphaNum = 0, cpWordStart;
	LPCTSTR msg;
	LPTSTR word, wordsearch, date_ptr, time_ptr;
	LPTSTR tok_ctx;
	static LPCTSTR hyperlinkPrefixes[] = {
		L"http://",L"ftp://",L"https://",L"mailto:",L"www.",L"ftp.",
		L"icq#",L"gopher://",L"news://",L"file://",L"\\\\"
	};
	static LPCTSTR hyperlinkSubstrings[] = {
		L".com",L".net",L".org",L".co.uk",L".ru"
	};

	LISTELEMENT *newElement, *actualElement;
	uint8_t type = LINK_UNKNOWN;
	int direction, isLink, linkFound = 0;
	wchar_t date[DATE_SIZE + 1];
	wchar_t time[TIME_SIZE + 1];
	wchar_t link[LINK_MAX + 1];
	wchar_t templink[LINK_MAX + 1];
	wchar_t dbdate[DATE_SIZE + TIME_SIZE];

	if (listStart == nullptr)
		return -1;

	link[0] = 0;
	date[0] = 0;
	time[0] = 0;

	msg = DbEvent_GetTextW(dbei, CP_ACP);
	if (msg == nullptr)
		return 0;

	for (i = 0; msg[i]; ) {
		//hyperlinks are delimited by: <non-alphanumeric>"hyperlink"<whitespace>
		//then all punctuation is stripped from the end of "hyperlink"
		iLastAlphaNum = 0;
		while (msg[i] && !iswalnum(msg[i])) {
			// support for files
			if (msg[i] == '\\' && msg[i + 1] == '\\' && iswalnum(msg[i + 2]))
				break;
			if (IsDBCSLeadByte(msg[i]) && msg[i + 1])
				i++;
			i++;
			if (msg[i] != '\n')
				charCount++;
		}
		if (msg[i] == '\0')
			break;
		cpWordStart = charCount;
		wordStart = i;

		while (msg[i] && !iswspace(msg[i])) {
			if (IsDBCSLeadByte(msg[i]) && msg[i + 1]) {
				i++;
			}
			else {
				if (iswalnum(msg[i]) || msg[i] == '/') {
					cpLastAlphaNum = charCount;
					iLastAlphaNum = i;
				}
			}
			charCount++;
			i++;
		}

		charCount = cpLastAlphaNum + 1;
		i = iLastAlphaNum + 1;

		if ((i - wordStart) < 8)
			continue;
		isLink = 0;

		wordlen = (i - wordStart + 1);
		word = (LPTSTR)mir_alloc(wordlen * sizeof(wchar_t));
		wordsearch = (LPTSTR)mir_alloc(wordlen * sizeof(wchar_t));
		if (word == nullptr || wordsearch == nullptr) {
			mir_free(word);
			mir_free(wordsearch);
			linkFound = -1;
			break;
		}

		wcsncpy_s(word, wordlen, msg + wordStart, (wordlen - 1));
		wcsncpy_s(wordsearch, wordlen, msg + wordStart, (wordlen - 1));
		CharLower(wordsearch);

		for (j = 0; j < _countof(hyperlinkPrefixes); j++) {
			if (!wcsncmp(wordsearch, hyperlinkPrefixes[j], mir_wstrlen(hyperlinkPrefixes[j]))) {
				isLink = 1;
				break;
			}
		}
		if (!isLink) {
			for (j = 0; j < _countof(hyperlinkSubstrings); j++) {
				if (wcsstr(wordsearch + 1, hyperlinkSubstrings[j])) {
					isLink = 1;
					break;
				}
			}
		}

		if (wcschr(wordsearch, '@') && wcschr(wordsearch, '.') && !wcschr(wordsearch, ':') && !wcschr(wordsearch, '/')) {
			isLink = 1; //e-mail addresses
			type = LINK_MAIL;
		}
		else if (isLink) {
			type = LINK_URL;
		}

		if (isLink && wordlen <= LINK_MAX) {
			if (wcsstr(wordsearch, L"www.") != nullptr && wcsstr(wordsearch, L"http://") == nullptr && wcsstr(wordsearch, L"https://") == nullptr) {
				wcsncpy_s(link, L"http://", LINK_MAX);
				wcsncat_s(link, word, LINK_MAX);
			}
			else {
				wcsncpy_s(link, word, LINK_MAX);
			}

			TimeZone_ToStringT(dbei->timestamp, L"d-t", dbdate, _countof(dbdate));
			date_ptr = wcstok_s(dbdate, L"-", &tok_ctx);
			time_ptr = wcstok_s(nullptr, L"-", &tok_ctx);
			wcsncpy_s(date, date_ptr, _TRUNCATE);
			wcsncpy_s(time, time_ptr, _TRUNCATE);

			if (dbei->flags & DBEF_SENT)
				direction = DIRECTION_OUT;
			else
				direction = DIRECTION_IN;

			if (type == LINK_MAIL && wcsstr(link, L"mailto:") == nullptr) {
				wcsncpy_s(templink, link, _TRUNCATE);
				wcsncpy_s(link, L"mailto:", _TRUNCATE);
				wcsncpy_s((link + _mstrlen(L"mailto:")), (_countof(link) - _mstrlen(L"mailto:")), templink, _TRUNCATE);
			}

			// Add new Element to list:
			newElement = (LISTELEMENT*)mir_alloc(sizeof(LISTELEMENT));
			if (newElement == nullptr) {
				linkFound = -1;
				break;
			}
			memset(newElement, 0, sizeof(LISTELEMENT));
			newElement->direction = direction;
			newElement->type = type;
			wcsncpy_s(newElement->date, date, _TRUNCATE);
			wcsncpy_s(newElement->time, time, _TRUNCATE);
			wcsncpy_s(newElement->link, link, _TRUNCATE);
			newElement->hEvent = hEvent;

			actualElement = listStart;
			while (actualElement->nextElement != nullptr) {
				actualElement = actualElement->nextElement;
			}

			actualElement->nextElement = newElement;
			linkFound++;
		}
		mir_free(word);
		mir_free(wordsearch);
	}
	mir_free((void*)msg);

	return linkFound;
}


/*
Remove the linked list an free memory
*/
int RemoveList(LISTELEMENT *listStart)
{
	LISTELEMENT *actualElement, *tempElement;

	if (listStart == nullptr)
		return -1;

	actualElement = listStart->nextElement;
	while (actualElement != nullptr)
	{
		tempElement = actualElement->nextElement;
		mir_free(actualElement);
		actualElement = tempElement;
	}
	mir_free(listStart);
	return 0;
}


/*
Count the elements of the list
*/
int ListCount(LISTELEMENT *listStart)
{
	LISTELEMENT *actualElement;
	int count = 0;

	if (listStart == nullptr)
		return -1;

	actualElement = listStart->nextElement;
	while (actualElement != nullptr)
	{
		count++;
		actualElement = actualElement->nextElement;
	}
	return count;
}


/*
Fill the richedit field with informations ;-)

Special thanks to MatriX for his help with the cursor postion!
*/
void WriteLinkList(HWND hDlg, uint8_t params, LISTELEMENT *listStart, LPCTSTR searchString, int append)
{
	CHARFORMAT2 cf;
	PARAFORMAT2 pf;
	HWND hwndProgress = nullptr;
	RECT DesktopRect;
	MYCOLOURSET colourSet;
	wchar_t textLine[LINK_MAX + DIR_SIZE + TIME_SIZE + TYPE_SIZE + 6];
	wchar_t searchText[320];
	wchar_t lastDate[11] = { 0 };
	wchar_t filter1, filter2, filter3;
	size_t lineLen, listCount = 0, realListCount = 0, actCount = 0, len, appCount = 0;
	int linePos = -1;
	LISTELEMENT *actualElement;
	LISTOPTIONS options;
	CHARRANGE sel;
	GETTEXTLENGTHEX gtl;

	GetListInfo(params, listStart, searchString, &lineLen, &listCount, &realListCount);
	GetColour(&colourSet);
	GetListOptions(&options);

	if (append == 0)
		ShowWindow(GetDlgItem(hDlg, IDC_MAIN), SW_HIDE);

	if ((append > 0) && (GetMenuState(GetMenu(hDlg), IDM_SEARCH, MF_BYCOMMAND) & MF_DISABLED))
		return;

	if (GetDlgItem(hDlg, IDC_MAIN) && GetDlgItem(hDlg, IDC_MESSAGE))
	{
		SendDlgItemMessage(hDlg, IDC_MAIN, EM_SETEVENTMASK, 0, (LPARAM)ENM_LINK);
		SendDlgItemMessage(hDlg, IDC_MAIN, EM_AUTOURLDETECT, TRUE, 0);
		SendDlgItemMessage(hDlg, IDC_MAIN, EM_SETBKGNDCOLOR, FALSE, colourSet.background);

		memset(&cf, 0, sizeof(cf));
		cf.cbSize = sizeof(cf);
		cf.dwMask = CFM_COLOR;
		cf.crTextColor = colourSet.text;
		SendDlgItemMessage(hDlg, IDC_MESSAGE, EM_SETCHARFORMAT, SCF_ALL, (LPARAM)&cf);
		SendDlgItemMessage(hDlg, IDC_MESSAGE, EM_AUTOURLDETECT, TRUE, 0);
		SendDlgItemMessage(hDlg, IDC_MESSAGE, EM_SETBKGNDCOLOR, FALSE, colourSet.background);

		if (append == 0)
		{
			ClearLinePos(listStart);

			// How to set RTF colour, font, etc.... found at
			// http://www.winehq.com/hypermail/wine-devel/2004/08/0608.html
			memset(&pf, 0, sizeof(pf));
			pf.cbSize = sizeof(pf);
			pf.dwMask = PFM_ALIGNMENT;
			pf.wAlignment = PFA_LEFT;
			SendDlgItemMessage(hDlg, IDC_MAIN, EM_SETPARAFORMAT, FALSE, (LPARAM)&pf);

			if (searchString != nullptr)
			{
				memset(&cf, 0, sizeof(cf));
				cf.cbSize = sizeof(cf);
				cf.dwMask = CFM_ITALIC | CFM_BOLD | CFM_FACE | CFM_COLOR;
				cf.dwEffects = CFE_BOLD;
				cf.crTextColor = colourSet.text;
				wcscpy_s(cf.szFaceName, L"Arial");
				SendDlgItemMessage(hDlg, IDC_MAIN, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM)&cf);

				mir_snwprintf(searchText, L"%s '%s': %d\n\n", TranslateT("Matches for searchtext"), searchString, listCount);
				SendDlgItemMessage(hDlg, IDC_MAIN, EM_REPLACESEL, FALSE, (LPARAM)searchText);
				linePos += 2;
			}

			memset(&cf, 0, sizeof(cf));
			cf.cbSize = sizeof(cf);
			cf.dwMask = CFM_FACE | CFM_BOLD;
			wcscpy_s(cf.szFaceName, L"Courier");
			SendDlgItemMessage(hDlg, IDC_MAIN, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM)&cf);
		}

		actualElement = listStart->nextElement;

		if (append > 0)
		{
			linePos = GetLastLinePos(listStart);

			if ((realListCount - append) == 1)
				wcscpy_s(lastDate, actualElement->date);

			for (appCount = 1; appCount <= (realListCount - append); appCount++)
			{
				actualElement = actualElement->nextElement;
				if (appCount == (realListCount - append - 1))
					wcscpy_s(lastDate, actualElement->date);
			}
			gtl.flags = GTL_PRECISE;
			gtl.codepage = CP_ACP;
			sel.cpMin = sel.cpMax = SendDlgItemMessage(hDlg, IDC_MAIN, EM_GETTEXTLENGTHEX, (WPARAM)&gtl, 0);
			SendDlgItemMessage(hDlg, IDC_MAIN, EM_EXSETSEL, 0, (LPARAM)&sel);
		}

		if (append == 0)
		{
			// Create Progressbar
			GetWindowRect(GetDesktopWindow(), &DesktopRect);
			hwndProgress = CreateWindow(L"Progressbar", TranslateT("Processing list..."), WS_OVERLAPPED, CW_USEDEFAULT, CW_USEDEFAULT, 350, 45, nullptr, nullptr, g_plugin.getInst(), nullptr);
			SetWindowPos(hwndProgress, HWND_TOP, (int)(DesktopRect.right*0.5) - 175, (int)(DesktopRect.bottom*0.5) - 22, 0, 0, SWP_NOSIZE);

			if (hwndProgress != nullptr)
			{
				ShowWindow(hwndProgress, SW_SHOW);
				SetForegroundWindow(hwndProgress);
			}
		}

		while (actualElement != nullptr)
		{
			filter1 = 0;
			filter2 = 0;
			filter3 = 0;

			if ((params & WLL_IN) && (actualElement->direction == DIRECTION_IN))
				filter1 = 1;
			else if ((params & WLL_OUT) && (actualElement->direction == DIRECTION_OUT))
				filter1 = 1;

			if ((params & WLL_MAIL) && (actualElement->type == LINK_MAIL))
				filter2 = 1;
			else if ((params & WLL_URL) && (actualElement->type == LINK_URL))
				filter2 = 1;
			else if ((params & WLL_FILE) && (actualElement->type == LINK_FILE))
				filter2 = 1;


			if (searchString != nullptr)
			{
				if (params & SLL_DEEP)
				{
					// Perform deep scan
					if (actualElement->hEvent != NULL)
					{
						DB::EventInfo dbe;
						dbe.cbBlob = -1;
						db_event_get(actualElement->hEvent, &dbe);

						ptrW msg(DbEvent_GetTextW(&dbe, CP_ACP));
						if (wcsstr(msg, searchString))
							filter3 = 1;
					}
					else filter3 = 0;
				}
				else if (wcsstr(actualElement->link, searchString))
					filter3 = 1;
			}
			else filter3 = 1;

			if ((filter1 == 1) && (filter2 == 1) && (filter3 == 1))
			{
				LPCTSTR type;

				if (mir_wstrcmp(actualElement->date, lastDate) != 0)
				{
					memset(&cf, 0, sizeof(cf));
					cf.cbSize = sizeof(cf);
					cf.dwMask = CFM_COLOR;
					cf.crTextColor = colourSet.text;
					SendDlgItemMessage(hDlg, IDC_MAIN, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM)&cf);
					if (options.showLine != 0)
						DrawLine(hDlg, lineLen);
					memset(&cf, 0, sizeof(cf));
					cf.cbSize = sizeof(cf);
					cf.dwMask = CFM_ITALIC | CFM_BOLD | CFM_FACE;
					cf.dwEffects = CFE_BOLD;
					wcscpy_s(cf.szFaceName, L"Arial");
					SendDlgItemMessage(hDlg, IDC_MAIN, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM)&cf);
					if (options.showDate != 0)
					{
						SendDlgItemMessage(hDlg, IDC_MAIN, EM_REPLACESEL, FALSE, (LPARAM)actualElement->date);
						SendDlgItemMessage(hDlg, IDC_MAIN, EM_REPLACESEL, FALSE, (LPARAM)L"\n\n");
						linePos += 3;
					}
					wcscpy_s(lastDate, actualElement->date);
					memset(&cf, 0, sizeof(cf));
					cf.cbSize = sizeof cf;
					cf.dwMask = CFM_ITALIC | CFM_BOLD | CFM_UNDERLINE | CFM_FACE;
					wcscpy_s(cf.szFaceName, L"Courier");
					SendDlgItemMessage(hDlg, IDC_MAIN, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM)&cf);
				}
				memset(&cf, 0, sizeof(cf));
				cf.cbSize = sizeof(cf);
				cf.dwMask = CFM_COLOR;

				if (actualElement->direction == DIRECTION_OUT)
				{
					cf.crTextColor = colourSet.incoming;
				}
				else
					cf.crTextColor = colourSet.outgoing;

				switch (actualElement->type) {
				case LINK_MAIL:
					type = L"[mail]";
					break;
				case LINK_URL:
					type = L"[URL ]";
					break;
				case LINK_FILE:
					type = L"[file]";
					break;
				default:
					type = L"[UNK ]";
				}

				mir_snwprintf(textLine, L"%s%s%s%s%s%s%s\n",
					options.showDirection ? (actualElement->direction == DIRECTION_IN ? L"[in ]" : L"[out]") : L"",
					options.showDirection ? L" " : L"",
					options.showType ? type : L"",
					options.showType ? L"  " : L"",
					options.showTime ? actualElement->time : L"",
					options.showTime ? L" " : L"",
					actualElement->link);
				SendDlgItemMessage(hDlg, IDC_MAIN, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM)&cf);
				SendDlgItemMessage(hDlg, IDC_MAIN, EM_REPLACESEL, FALSE, (LPARAM)textLine);
				linePos++;
				actualElement->linePos = linePos;
				actCount++;
				if (hwndProgress && (((int)(((float)actCount / listCount)*100.00)) % 10 == 0))
					SendMessage(hwndProgress, WM_COMMAND, 100, ((int)(((float)actCount / listCount)*100.00)));

			}
			actualElement = actualElement->nextElement;
		}
		if (listCount > 0)
		{
			if ((actCount < listCount) && (append == 0) && (options.showLine != 0))
				DrawLine(hDlg, lineLen);
		}
		else if (searchString == nullptr)
		{
			memset(&cf, 0, sizeof(cf));
			cf.cbSize = sizeof(cf);
			cf.dwMask = CFM_ITALIC | CFM_BOLD | CFM_FACE;
			cf.dwEffects = CFE_BOLD;
			wcscpy_s(cf.szFaceName, L"Arial");
			SendDlgItemMessage(hDlg, IDC_MAIN, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM)&cf);
			SendDlgItemMessage(hDlg, IDC_MAIN, EM_REPLACESEL, FALSE, (LPARAM)TranslateT("No messages found!\nPlease change current filter options."));
			SendDlgItemMessage(hDlg, IDC_MAIN, EM_REPLACESEL, FALSE, (LPARAM)L"\n");
		}

	}
	if (append == 0)
	{
		SendMessage(hwndProgress, WM_CLOSE, 0, 0);
		ShowWindow(GetDlgItem(hDlg, IDC_MAIN), SW_SHOW);
	}

	PostMessage(GetDlgItem(hDlg, IDC_MAIN), WM_VSCROLL, MAKEWPARAM(SB_BOTTOM, 0), 0);
	len = GetWindowTextLength(GetDlgItem(hDlg, IDC_MAIN));
	PostMessage(GetDlgItem(hDlg, IDC_MAIN), EM_SETSEL, len, len);
}


/*
Output some example text to the options dialog
*/
int WriteOptionExample(HWND hDlg, uint32_t InColourSel, uint32_t OutColourSel, uint32_t BGColourSel, uint32_t TxtColourSel, LISTOPTIONS *options)
{
	CHARFORMAT cf;
	PARAFORMAT pf;

	memset(&pf, 0, sizeof(pf));
	pf.cbSize = sizeof(pf);
	pf.dwMask = PFM_ALIGNMENT;
	pf.wAlignment = PFA_LEFT;
	SendDlgItemMessage(hDlg, IDC_OPTIONS_RE, EM_SETPARAFORMAT, FALSE, (LPARAM)&pf);
	SendDlgItemMessage(hDlg, IDC_OPTIONS_RE, EM_SETEVENTMASK, 0, (LPARAM)ENM_LINK);
	SendDlgItemMessage(hDlg, IDC_OPTIONS_RE, EM_AUTOURLDETECT, TRUE, 0);
	SendDlgItemMessage(hDlg, IDC_OPTIONS_RE, EM_SETBKGNDCOLOR, FALSE, BGColourSel);
	SetDlgItemText(hDlg, IDC_OPTIONS_RE, nullptr);

	memset(&cf, 0, sizeof(cf));
	cf.cbSize = sizeof(cf);
	cf.dwMask = CFM_FACE | CFM_BOLD | CFM_ITALIC | CFM_COLOR;
	wcscpy_s(cf.szFaceName, L"Courier");
	cf.crTextColor = TxtColourSel;
	SendDlgItemMessage(hDlg, IDC_OPTIONS_RE, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM)&cf);
	if (options->showLine == 1)
		SendDlgItemMessage(hDlg, IDC_OPTIONS_RE, EM_REPLACESEL, FALSE, (LPARAM)L"___________________________________________\n");
	else
		SendDlgItemMessage(hDlg, IDC_OPTIONS_RE, EM_REPLACESEL, FALSE, (LPARAM)L"\n");

	memset(&cf, 0, sizeof(cf));
	cf.cbSize = sizeof(cf);
	cf.dwMask = CFM_BOLD | CFM_FACE | CFM_COLOR;
	cf.dwEffects = CFE_BOLD;
	wcscpy_s(cf.szFaceName, L"Arial");
	cf.crTextColor = TxtColourSel;
	SendDlgItemMessage(hDlg, IDC_OPTIONS_RE, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM)&cf);

	if (options->showDate == 1)
		SendDlgItemMessage(hDlg, IDC_OPTIONS_RE, EM_REPLACESEL, FALSE, (LPARAM)TXT_DATE);

	SendDlgItemMessage(hDlg, IDC_OPTIONS_RE, EM_REPLACESEL, FALSE, (LPARAM)L"\n");

	memset(&cf, 0, sizeof(cf));
	cf.cbSize = sizeof(cf);
	cf.dwMask = CFM_ITALIC | CFM_BOLD | CFM_UNDERLINE | CFM_FACE;
	wcscpy_s(cf.szFaceName, L"Courier");
	SendDlgItemMessage(hDlg, IDC_OPTIONS_RE, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM)&cf);

	// incoming
	memset(&cf, 0, sizeof(cf));
	cf.cbSize = sizeof(cf);
	cf.dwMask = CFM_COLOR | CFM_FACE;
	cf.crTextColor = InColourSel;
	wcscpy_s(cf.szFaceName, L"Courier");
	SendDlgItemMessage(hDlg, IDC_OPTIONS_RE, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM)&cf);

	if (options->showDirection == 1)
		SendDlgItemMessage(hDlg, IDC_OPTIONS_RE, EM_REPLACESEL, FALSE, (LPARAM)L"\n[in ] ");
	else
		SendDlgItemMessage(hDlg, IDC_OPTIONS_RE, EM_REPLACESEL, FALSE, (LPARAM)L"\n");

	if (options->showType == 1)
		SendDlgItemMessage(hDlg, IDC_OPTIONS_RE, EM_REPLACESEL, FALSE, (LPARAM)L"URL   ");
	else
		SendDlgItemMessage(hDlg, IDC_OPTIONS_RE, EM_REPLACESEL, FALSE, (LPARAM)L"");

	if (options->showTime == 1)
		SendDlgItemMessage(hDlg, IDC_OPTIONS_RE, EM_REPLACESEL, FALSE, (LPARAM)L"08:15 https://miranda-ng.org\n");
	else
		SendDlgItemMessage(hDlg, IDC_OPTIONS_RE, EM_REPLACESEL, FALSE, (LPARAM)L"https://miranda-ng.org\n");

	// outgoing
	memset(&cf, 0, sizeof(cf));
	cf.cbSize = sizeof(cf);
	cf.dwMask = CFM_COLOR | CFM_FACE;
	cf.crTextColor = OutColourSel;
	wcscpy_s(cf.szFaceName, L"Courier");
	SendDlgItemMessage(hDlg, IDC_OPTIONS_RE, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM)&cf);


	if (options->showDirection == 1)
		SendDlgItemMessage(hDlg, IDC_OPTIONS_RE, EM_REPLACESEL, FALSE, (LPARAM)L"[out] ");
	else
		SendDlgItemMessage(hDlg, IDC_OPTIONS_RE, EM_REPLACESEL, FALSE, (LPARAM)L"");

	if (options->showType == 1)
		SendDlgItemMessage(hDlg, IDC_OPTIONS_RE, EM_REPLACESEL, FALSE, (LPARAM)L"URL   ");
	else
		SendDlgItemMessage(hDlg, IDC_OPTIONS_RE, EM_REPLACESEL, FALSE, (LPARAM)L"");

	if (options->showTime == 1)
		SendDlgItemMessage(hDlg, IDC_OPTIONS_RE, EM_REPLACESEL, FALSE, (LPARAM)L"08:16 https://miranda-ng.org\n");
	else
		SendDlgItemMessage(hDlg, IDC_OPTIONS_RE, EM_REPLACESEL, FALSE, (LPARAM)L"https://miranda-ng.org\n");

	return 0;
}


/*
Write Message to window
*/
void WriteMessage(HWND hDlg, LISTELEMENT *listStart, int actLinePos)
{
	LISTELEMENT *actualElement = listStart->nextElement;
	while (actualElement != nullptr) {
		if (actualElement->linePos == actLinePos) {
			MEVENT hEvent = actualElement->hEvent;
			if (hEvent != NULL) {
				DB::EventInfo dbe;
				dbe.cbBlob = -1;
				db_event_get(hEvent, &dbe);

				SetDlgItemTextW(hDlg, IDC_MESSAGE, L"");
				SendDlgItemMessage(hDlg, IDC_MESSAGE, EM_REPLACESEL, FALSE, ptrW(DbEvent_GetTextW(&dbe, CP_ACP)));
			}
			break;
		}
		actualElement = actualElement->nextElement;
	}
}

/*
Little helper functions to get the actual state of
user options.
*/
uint8_t GetFlags(HMENU listMenu)
{
	uint8_t returnflags = 0x00;

	if (GetMenuState(listMenu, IDM_TYPE_WEB, MF_BYCOMMAND) == MF_UNCHECKED)
		returnflags = returnflags | WLL_MAIL;

	if (GetMenuState(listMenu, IDM_TYPE_MAIL, MF_BYCOMMAND) == MF_UNCHECKED)
		returnflags = returnflags | WLL_URL;

	if (GetMenuState(listMenu, IDM_DIR_IN, MF_BYCOMMAND) == MF_UNCHECKED)
		returnflags = returnflags | WLL_OUT;

	if (GetMenuState(listMenu, IDM_DIR_OUT, MF_BYCOMMAND) == MF_UNCHECKED)
		returnflags = returnflags | WLL_IN;

	return returnflags;
}

void GetFilterText(HMENU listMenu, LPTSTR filter, size_t max_len)
{

	if (GetMenuState(listMenu, IDM_TYPE_WEB, MF_BYCOMMAND) == MF_CHECKED)
	{
		if (GetMenuState(listMenu, IDM_DIR_IN, MF_BYCOMMAND) == MF_CHECKED)
		{
			//incoming URLs
			mir_snwprintf(filter, max_len, L"%s: %s %s", TXT_FILTER, TXT_INCOMING, TXT_URLSONLY);
		}
		else if (GetMenuState(listMenu, IDM_DIR_OUT, MF_BYCOMMAND) == MF_CHECKED)
		{
			//outgoing URLs
			mir_snwprintf(filter, max_len, L"%s: %s %s", TXT_FILTER, TXT_OUTGOING, TXT_URLSONLY);
		}
		else
		{
			// both directions (URL)
			mir_snwprintf(filter, max_len, L"%s: %s %s", TXT_FILTER, "", TXT_URLSONLY);
		}
	}
	else if (GetMenuState(listMenu, IDM_TYPE_MAIL, MF_BYCOMMAND) == MF_CHECKED)
	{
		if (GetMenuState(listMenu, IDM_DIR_IN, MF_BYCOMMAND) == MF_CHECKED)
		{
			//incoming mail
			mir_snwprintf(filter, max_len, L"%s: %s %s", TXT_FILTER, TXT_INCOMING, TXT_MAILSONLY);
		}
		else if (GetMenuState(listMenu, IDM_DIR_OUT, MF_BYCOMMAND) == MF_CHECKED)
		{
			//outgoing mail
			mir_snwprintf(filter, max_len, L"%s: %s %s", TXT_FILTER, TXT_OUTGOING, TXT_MAILSONLY);
		}
		else
		{
			// both directions (mail)
			mir_snwprintf(filter, max_len, L"%s: %s %s", TXT_FILTER, "", TXT_MAILSONLY);
		}
	}
	else
	{
		if (GetMenuState(listMenu, IDM_DIR_IN, MF_BYCOMMAND) == MF_CHECKED)
		{
			//incoming (both)
			mir_snwprintf(filter, max_len, L"%s: %s %s", TXT_FILTER, TXT_INCOMING, "");
		}
		else if (GetMenuState(listMenu, IDM_DIR_OUT, MF_BYCOMMAND) == MF_CHECKED)
		{
			//outgoing (both)
			mir_snwprintf(filter, max_len, L"%s: %s %s", TXT_FILTER, TXT_OUTGOING, "");
		}
		else
		{
			// no filter
			mir_snwprintf(filter, max_len, L"%s: %s %s", TXT_FILTER, TXT_NOFILTER, "");
		}
	}
}


/*
Little helper function to draw a horizontal line
*/
void DrawLine(HWND hDlg, size_t lineLen)
{
	wchar_t line[LINK_MAX + 18];
	size_t i;
	for (i = 0; (i < lineLen + 18) && (i < LINK_MAX + 18); i++)
	{
		line[i] = '_';
	}
	line[lineLen + 18] = '\0';
	SendDlgItemMessage(hDlg, IDC_MAIN, EM_REPLACESEL, FALSE, (LPARAM)line);
	SendDlgItemMessage(hDlg, IDC_MAIN, EM_REPLACESEL, FALSE, (LPARAM)L"\n");
	return;
}


/*
Little helper function to get informations about the linked list, such as number of links, etc
*/
void GetListInfo(uint8_t params, LISTELEMENT *listStart, LPCTSTR searchString, size_t *maxLen, size_t *elementCount, size_t *realElementCount)
{
	size_t tempLen;
	LISTELEMENT *actualElement;
	char filter1, filter2, filter3;

	*maxLen = 0;
	*elementCount = 0;
	*realElementCount = 0;
	actualElement = listStart->nextElement;

	while (actualElement != nullptr)
	{
		(*realElementCount)++;

		filter1 = 0;
		filter2 = 0;
		filter3 = 0;

		if ((params & WLL_IN) && (actualElement->direction == DIRECTION_IN))
			filter1 = 1;
		else if ((params & WLL_OUT) && (actualElement->direction == DIRECTION_OUT))
			filter1 = 1;

		if ((params & WLL_MAIL) && (actualElement->type == LINK_MAIL))
			filter2 = 1;
		else if ((params & WLL_URL) && (actualElement->type == LINK_URL))
			filter2 = 1;

		if (searchString != nullptr)
		{
			if (params & SLL_DEEP)
			{
				// Perform deep scan
				if (actualElement->hEvent != NULL)
				{
					DB::EventInfo dbe;
					dbe.cbBlob = -1;
					db_event_get(actualElement->hEvent, &dbe);

					if (wcsstr((LPTSTR)dbe.pBlob, searchString))
						filter3 = 1;
				}
				else filter3 = 0;
			}
			else
			{
				if (wcsstr(actualElement->link, searchString))
					filter3 = 1;
			}
		}
		else filter3 = 1;

		if ((filter1 == 1) && (filter2 == 1) && (filter3 == 1))
		{
			(*elementCount)++;

			tempLen = mir_wstrlen(actualElement->link);
			if (*maxLen < tempLen)
				*maxLen = tempLen;
		}
		actualElement = actualElement->nextElement;
	}
	return;
}



void GetListOptions(LISTOPTIONS *options)
{

	options->openNewWindow = g_plugin.getByte(LINKLIST_OPEN_WINDOW, 0xFF);
	if (options->openNewWindow == 0xFF)
	{
		// No DB entry for this Plugin
		g_plugin.setByte(LINKLIST_OPEN_WINDOW, 0x00);
		options->openNewWindow = 0x00;
	}


	options->updateWindow = g_plugin.getByte(LINKLIST_UPDATE_WINDOW, 0xFF);
	if (options->updateWindow == 0xFF)
	{
		// No DB entry for this Plugin
		g_plugin.setByte(LINKLIST_UPDATE_WINDOW, 0x00);
		options->updateWindow = 0x00;
	}

	options->mouseEvent = g_plugin.getByte(LINKLIST_MOUSE_EVENT, 0xFF);
	if (options->mouseEvent == 0xFF)
	{
		// No DB entry for this Plugin
		g_plugin.setByte(LINKLIST_MOUSE_EVENT, 0x00);
		options->mouseEvent = 0x00;
	}

	options->saveSpecial = g_plugin.getByte(LINKLIST_SAVESPECIAL, 0xFF);
	if (options->saveSpecial == 0xFF)
	{
		// No DB entry for this Plugin
		g_plugin.setByte(LINKLIST_SAVESPECIAL, 0x00);
		options->saveSpecial = 0x00;
	}


	options->showDate = g_plugin.getByte(LINKLIST_SHOW_DATE, 0xFF);
	if (options->showDate == 0xFF)
	{
		// No DB entry for this Plugin
		g_plugin.setByte(LINKLIST_SHOW_DATE, 0x01);
		options->showDate = 0x01;
	}

	options->showLine = g_plugin.getByte(LINKLIST_SHOW_LINE, 0xFF);
	if (options->showLine == 0xFF)
	{
		// No DB entry for this Plugin
		g_plugin.setByte(LINKLIST_SHOW_LINE, 0x01);
		options->showLine = 0x01;
	}

	options->showTime = g_plugin.getByte(LINKLIST_SHOW_TIME, 0xFF);
	if (options->showTime == 0xFF)
	{
		// No DB entry for this Plugin
		g_plugin.setByte(LINKLIST_SHOW_TIME, 0x01);
		options->showTime = 0x01;
	}

	options->showDirection = g_plugin.getByte(LINKLIST_SHOW_DIRECTION, 0xFF);
	if (options->showDirection == 0xFF)
	{
		// No DB entry for this Plugin
		g_plugin.setByte(LINKLIST_SHOW_DIRECTION, 0x01);
		options->showDirection = 0x01;
	}

	options->showType = g_plugin.getByte(LINKLIST_SHOW_TYPE, 0xFF);
	if (options->showType == 0xFF)
	{
		// No DB entry for this Plugin
		g_plugin.setByte(LINKLIST_SHOW_TYPE, 0x01);
		options->showType = 0x01;
	}

	return;
}

void SetListOptions(LISTOPTIONS *options)
{
	g_plugin.setByte(LINKLIST_OPEN_WINDOW, options->openNewWindow);
	g_plugin.setByte(LINKLIST_UPDATE_WINDOW, options->updateWindow);
	g_plugin.setByte(LINKLIST_MOUSE_EVENT, options->mouseEvent);
	g_plugin.setByte(LINKLIST_SAVESPECIAL, options->saveSpecial);
	g_plugin.setByte(LINKLIST_SHOW_DATE, options->showDate);
	g_plugin.setByte(LINKLIST_SHOW_LINE, options->showLine);
	g_plugin.setByte(LINKLIST_SHOW_TIME, options->showTime);
	g_plugin.setByte(LINKLIST_SHOW_DIRECTION, options->showDirection);
	g_plugin.setByte(LINKLIST_SHOW_TYPE, options->showType);
}

/*
Clear temporary stored Linenumbers in List
*/
void ClearLinePos(LISTELEMENT *listStart)
{
	LISTELEMENT *actualElement;

	if (listStart == nullptr)
		return;

	actualElement = listStart->nextElement;
	while (actualElement != nullptr)
	{
		actualElement->linePos = -1;
		actualElement = actualElement->nextElement;
	}
}

int GetLastLinePos(LISTELEMENT *listStart)
{
	LISTELEMENT *actualElement;
	int maxPos = -1;

	if (listStart == nullptr)
		return -1;

	actualElement = listStart->nextElement;
	while (actualElement != nullptr)
	{
		if (actualElement->linePos > maxPos)
			maxPos = actualElement->linePos;

		actualElement = actualElement->nextElement;
	}
	return maxPos;
}

/*
Read current coloursettings from the database
*/
void GetColour(MYCOLOURSET *colourSet)
{
	uint32_t colour;
	uint8_t useDefault;

	useDefault = g_plugin.getByte(LINKLIST_USE_DEF, 0xFF);
	if (useDefault == 0xFF)
	{
		// No DB entry for this Plugin
		g_plugin.setByte(LINKLIST_USE_DEF, 0x01);
		useDefault = 0x01;
	}

	if (useDefault == 0x01)
	{
		// Use Miranda-IM Default colours
		// CHANGED AT MIRANDA 0.4!!!!
		// Use SRMM... if it is not there try SRMsg (older Miranda Versions)
		colour = db_get_dw(0, "SRMM", "SRMFont1Col", 0xFF000000);
		if (colour != 0xFF000000)
			colourSet->incoming = colour;
		else
		{
			colour = db_get_dw(0, "SRMsg", "Font3Col", 0xFF000000);
			if (colour != 0xFF000000)
				colourSet->incoming = colour;
			else
			{
				g_plugin.setByte(LINKLIST_USE_DEF, 0x00);
				useDefault = 0x00;
			}
		}

		// SRMM
		colour = db_get_dw(0, "SRMM", "SRMFont0Col", 0xFF000000);
		if (colour != 0xFF000000)
			colourSet->outgoing = colour;
		else
		{
			// SRMsg
			colour = db_get_dw(0, "SRMsg", "Font0Col", 0xFF000000);
			if (colour != 0xFF000000)
				colourSet->outgoing = colour;
			else
			{
				g_plugin.setByte(LINKLIST_USE_DEF, 0x00);
				useDefault = 0x00;
			}
		}

		// SRMM
		colour = db_get_dw(0, "SRMM", "BkgColour", 0xFF000000);
		if (colour != 0xFF000000)
			colourSet->background = colour;
		else
		{
			// SRMsg
			colour = db_get_dw(0, "SRMsg", "BkgColour", 0xFF000000);
			if (colour != 0xFF000000)
				colourSet->background = colour;
			else
			{
				g_plugin.setByte(LINKLIST_USE_DEF, 0x00);
				useDefault = 0x00;
			}
		}
		colourSet->text = MAKE_TXT_COL(colourSet->background);
	}

	if (useDefault == 0x00)
	{
		// Use Plugin user defined or default colours
		colour = g_plugin.getDword(LINKLIST_IN_COL, 0xFF000000);
		if (colour != 0xFF000000)
			colourSet->incoming = colour;
		else
			colourSet->incoming = IN_COL_DEF;

		colour = g_plugin.getDword(LINKLIST_OUT_COL, 0xFF000000);
		if (colour != 0xFF000000)
			colourSet->outgoing = colour;
		else
			colourSet->outgoing = OUT_COL_DEF;

		colour = g_plugin.getDword(LINKLIST_BG_COL, 0xFF000000);
		if (colour != 0xFF000000)
			colourSet->background = colour;
		else
			colourSet->background = BG_COL_DEF;

		colour = g_plugin.getDword(LINKLIST_TXT_COL, 0xFF000000);
		if (colour != 0xFF000000)
			colourSet->text = colour;
		else
			colourSet->text = TXT_COL_DEF;
	}
}

/*
Read current coloursettings from the database and set default values
if entry does not exist.
*/
void GetDBColour(MYCOLOURSET *colourSet)
{
	uint32_t colour;

	// Use Plugin user defined or default colours
	colour = g_plugin.getDword(LINKLIST_IN_COL, 0xFF000000);
	if (colour != 0xFF000000)
		colourSet->incoming = colour;
	else
	{
		g_plugin.setDword(LINKLIST_IN_COL, IN_COL_DEF);
		colourSet->incoming = IN_COL_DEF;
	}

	colour = g_plugin.getDword(LINKLIST_OUT_COL, 0xFF000000);
	if (colour != 0xFF000000)
		colourSet->outgoing = colour;
	else
	{
		g_plugin.setDword(LINKLIST_OUT_COL, OUT_COL_DEF);
		colourSet->outgoing = OUT_COL_DEF;
	}

	colour = g_plugin.getDword(LINKLIST_BG_COL, 0xFF000000);
	if (colour != 0xFF000000)
		colourSet->background = colour;
	else
	{
		g_plugin.setDword(LINKLIST_BG_COL, BG_COL_DEF);
		colourSet->background = BG_COL_DEF;
	}

	colour = g_plugin.getDword(LINKLIST_TXT_COL, 0xFF000000);
	if (colour != 0xFF000000)
		colourSet->text = colour;
	else
	{
		g_plugin.setDword(LINKLIST_TXT_COL, TXT_COL_DEF);
		colourSet->text = TXT_COL_DEF;
	}
}

/*
Read current coloursettings from the database (Miranda settings)
*/
int GetMirandaColour(MYCOLOURSET *colourSet)
{
	uint32_t colour;

	// Use Miranda-IM Default colours
	// Try SRMM (Miranda 0.4) .... or SRMsg... for older versions
	colour = db_get_dw(0, "SRMM", "SRMFont1Col", 0xFF000000);
	if (colour != 0xFF000000)
		colourSet->incoming = colour;
	else
	{
		colour = db_get_dw(0, "SRMsg", "Font3Col", 0xFF000000);
		if (colour != 0xFF000000)
			colourSet->incoming = colour;
		else
			return 1;
	}


	colour = db_get_dw(0, "SRMM", "SRMFont0Col", 0xFF000000);
	if (colour != 0xFF000000)
		colourSet->outgoing = colour;
	else
	{
		colour = db_get_dw(0, "SRMsg", "Font0Col", 0xFF000000);
		if (colour != 0xFF000000)
			colourSet->outgoing = colour;
		else
			return 1;
	}

	colour = db_get_dw(0, "SRMM", "BkgColour", 0xFF000000);
	if (colour != 0xFF000000)
		colourSet->background = colour;
	else
	{
		colour = db_get_dw(0, "SRMsg", "BkgColour", 0xFF000000);
		if (colour != 0xFF000000)
			colourSet->background = colour;
		else
			return 1;
	}

	colourSet->text = MAKE_TXT_COL(colourSet->background);
	return 0;
}


/*
Write user defined colours to the database
*/
void SetDBColour(MYCOLOURSET *colourSet)
{
	g_plugin.setDword(LINKLIST_IN_COL, colourSet->incoming);
	g_plugin.setDword(LINKLIST_OUT_COL, colourSet->outgoing);
	g_plugin.setDword(LINKLIST_BG_COL, colourSet->background);
	g_plugin.setDword(LINKLIST_TXT_COL, colourSet->text);
}

uint8_t GetUpdateSetting(void)
{
	uint8_t updateWindow;

	updateWindow = g_plugin.getByte(LINKLIST_UPDATE_WINDOW, 0xFF);
	if (updateWindow == 0xFF)
	{
		// No DB entry for this Plugin
		g_plugin.setByte(LINKLIST_UPDATE_WINDOW, 0x00);
		return 0;
	}
	if (updateWindow == 0x00)
		return 0;
	else
		return 1;
}

/*
Special thanks to Tobi H.!
This function is derived from his Wordlookup Plugin
*/
int DBUpdate(WPARAM wParam, LPARAM hEvent)
{
	HWND hDlg = WindowList_Find(hWindowList, wParam);
	HMENU listMenu = GetMenu(hDlg);
	DIALOGPARAM *DlgParam = (DIALOGPARAM *)GetWindowLongPtr(hDlg, GWLP_USERDATA);

	if (GetUpdateSetting() != 1)
		return 0;

	if (hDlg) {
		DB::EventInfo dbe;
		dbe.cbBlob = -1;
		if (db_event_get(hEvent, &dbe))
			return 0;

		if (dbe.eventType == EVENTTYPE_MESSAGE) {
			// Call function to find URIs
			int linkNum = ExtractURI(&dbe, hEvent, DlgParam->listStart);
			if (linkNum > 0)
				WriteLinkList(hDlg, GetFlags(listMenu), DlgParam->listStart, nullptr, linkNum);
		}
	}
	return 0;
}


/*
Little resize helper
*/
int LinklistResizer(HWND hDlg, LPARAM lParam, UTILRESIZECONTROL *urc)
{
	DIALOGPARAM *DlgParam = (DIALOGPARAM*)lParam;
	UNREFERENCED_PARAMETER(hDlg);

	switch (urc->wId)
	{
	case IDC_MAIN:
		urc->rcItem.bottom -= DlgParam->splitterPosNew - DlgParam->splitterPosOld;
		return RD_ANCHORX_WIDTH | RD_ANCHORY_HEIGHT;

	case IDC_MESSAGE:
		urc->rcItem.top -= DlgParam->splitterPosNew - DlgParam->splitterPosOld;
		return RD_ANCHORX_WIDTH | RD_ANCHORY_BOTTOM;

	case IDC_STATUS:
		return RD_ANCHORX_WIDTH | RD_ANCHORY_BOTTOM;

	case IDC_SPLITTER:
		urc->rcItem.top -= DlgParam->splitterPosNew - DlgParam->splitterPosOld;
		urc->rcItem.bottom -= DlgParam->splitterPosNew - DlgParam->splitterPosOld;
		return RD_ANCHORX_WIDTH | RD_ANCHORY_BOTTOM;
	}

	return RD_ANCHORX_LEFT | RD_ANCHORY_TOP;
}


/*
Next both functions are taken from a example projekt, found at
http://www.programmersheaven.com/zone15/cat236/2405.htm
The author is unknown, but this peace of code made my work much easier!
*/
BOOL SaveEditAsStream(HWND hDlg)
{
	EDITSTREAM es;
	LONG lOut;
	OPENFILENAME ofn;
	HANDLE hFile;
	wchar_t szFilename[MAX_PATH];

	// Initialize filename field
	wcscpy_s(szFilename, L"*.rtf");
	// Fill in OPENFILENAME struct
	memset(&ofn, 0, sizeof(OPENFILENAME));
	ofn.lStructSize = sizeof(OPENFILENAME);
	ofn.hwndOwner = hDlg;
	wchar_t temp[MAX_PATH];
	mir_snwprintf(temp, L"%s (*.rtf)%c*.rtf%c%s (*.*)%c*.*%c%c", TranslateT("RTF file"), 0, 0, TranslateT("All files"), 0, 0, 0);
	ofn.lpstrFilter = temp;
	ofn.lpstrFile = szFilename;
	ofn.nMaxFile = _countof(szFilename);
	ofn.lpstrTitle = TranslateT("Save RTF File");
	ofn.Flags = OFN_OVERWRITEPROMPT;
	// Get a filename or quit
	if (!GetSaveFileName(&ofn))
		return FALSE;
	//  Create the specified file
	hFile = CreateFile(szFilename, GENERIC_WRITE, 0, nullptr,
		CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr);
	//  Quit if file creation fails
	if (hFile == INVALID_HANDLE_VALUE)
		return FALSE;
	//  Pass file handle to callback
	//  so the callback can do the file write
	es.dwCookie = (DWORD_PTR)hFile;
	es.dwError = 0;
	es.pfnCallback = (EDITSTREAMCALLBACK)RTFSaveStreamCallback;
	// Start the callback proc
	lOut = SendDlgItemMessage(hDlg, IDC_MAIN, EM_STREAMOUT, SF_RTF, (LPARAM)&es);
	// Close file handle and exit
	CloseHandle(hFile);
	return TRUE;
}

uint32_t CALLBACK RTFSaveStreamCallback(DWORD_PTR dwCookie, LPBYTE lpBuffer, LONG lSize, LONG *plRead)
{
	// Sanity check...exit if nothing passed
	if (!lSize)
		return 1;
	// Initialize "amount read" variable for WriteFile()
	*plRead = 0;
	// dwCookie is the file handle
	WriteFile((HANDLE)dwCookie, lpBuffer, lSize, (LPDWORD)plRead, nullptr);
	// Continue, if needed
	return 0;
}