/* 
 * Copyright (C) 2001-2006 Jacek Sieka, arnetheduck on gmail point com
 *
 * 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.
 */

#if !defined(ABOUT_DLG_H)
#define ABOUT_DLG_H

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "../client/HttpConnection.h"
#include "../client/SimpleXML.h"
#include "FlatTabCtrl.h"
#include "WinUtil.h"

static const TCHAR mcdcthanks[] = 
_T("Big thanks to all people that supported me through this ")
_T("development phase. Kanelbullen, Banten, Lightgirl_xp, Trem, Pothead, Flow, Rag3Rac3r ")
_T("and all those whom I've missed. \r\n")
_T("A pat on the shoulder to CraKteR, my co-developer.\r\n")
_T("A big thanks also goes out to the beta testers Anna and h. \r\n")
_T("Finally I would like to send my greats to my beloved ")
_T("girlfriend, I fancy you! \r\n\r\n")
_T("This client is based upon DC++ by Jacek Sieka (arnetheduck), but ")
_T("it also contains code created by: PPK, Big Muscle, Sulan, Trem, ")
_T("Pothead, Flow, Opera, Virus27, da sickb0y ... \r\n\r\n")
_T("McDC++ is licensed under GPL.");

class AboutDlg : public CDialogImpl<AboutDlg>, private HttpConnectionListener, private TimerManagerListener
{
public:
	enum { IDD = IDD_ABOUTBOX };
	enum { WM_VERSIONDATA = WM_APP + 53 };

	AboutDlg() { };
	virtual ~AboutDlg() { };

	BEGIN_MSG_MAP(AboutDlg)
		MESSAGE_HANDLER(WM_INITDIALOG, OnInitDialog)
		MESSAGE_HANDLER(WM_CTLCOLORDLG, OnCtlColor)
		MESSAGE_HANDLER(WM_CTLCOLORSTATIC, OnCtlColor)
		MESSAGE_HANDLER(WM_VERSIONDATA, onVersionData)
		COMMAND_ID_HANDLER(IDOK, OnCloseCmd)
		COMMAND_ID_HANDLER(IDCANCEL, OnCloseCmd)
	END_MSG_MAP()

	LRESULT OnInitDialog(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/) {
		SetDlgItemText(IDC_VERSION, _T("McDC++ v") _T(McDCVERSIONSTRING2) _T("\n\n Built on: DC++ ") _T(VERSIONSTRING) _T("\n\nhttp://mcdcplusplus.myftp.org\n\nby McCM"));
		ctrl.Attach(GetDlgItem(IDC_THANKS));
		ctrl.FmtLines(TRUE);
		ctrl.AppendText(mcdcthanks, TRUE);
		ctrl.Detach();
		SetDlgItemText(IDC_TTH, WinUtil::tth.c_str());
		SetDlgItemText(IDC_LATEST, CTSTRING(DOWNLOADING));

		char buf[256];
		sprintf(buf, "Total Uptime: %s", WinUtil::formatTime(SETTING(TOTAL_UPTIMES)).c_str());
		SetDlgItemText(IDC_TOTAL_UPTIME, Text::toT(buf).c_str());
		sprintf(buf, "Upload: %s, Download: %s", Util::formatBytes(SETTING(TOTAL_UPLOADS)).c_str(), Util::formatBytes(SETTING(TOTAL_DOWNLOADS)).c_str());
		SetDlgItemText(IDC_TOTALS, Text::toT(buf).c_str());
		if(SETTING(TOTAL_DOWNLOADS) > 0) {
			sprintf(buf, "Ratio (up/down): %.2f", ((double)SETTING(TOTAL_UPLOADS)) / ((double)SETTING(TOTAL_DOWNLOADS)));
			SetDlgItemText(IDC_RATIO, Text::toT(buf).c_str());
		}
		sprintf(buf, "Uptime: %s", WinUtil::formatTime(Util::getUptime()).c_str());
		SetDlgItemText(IDC_UPTIME, Text::toT(buf).c_str());
		CenterWindow(GetParent());
		if(!BOOLSETTING(DONT_DOWNLOAD_VERSION_FILE)) {
			c.addListener(this);
			c.downloadFile("http://www.mcdcpp.net/version.xml");
		} else {
			tstring* x = new tstring(_T("Version file downloading disabled"));
			PostMessage(WM_VERSIONDATA, (WPARAM) x);
		}
		SetDlgItemText(IDC_HTTP, _T("Browser: HTTP v ") _T(McDC_HTTP_VERSION));
		TimerManager::getInstance()->addListener(this);
		return TRUE;
	}

	LRESULT onVersionData(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& /*bHandled*/) {
		tstring* x = (tstring*) wParam;
		SetDlgItemText(IDC_LATEST, x->c_str());
		delete x;
		return 0;
	}
		
	LRESULT OnCloseCmd(WORD /*wNotifyCode*/, WORD wID, HWND /*hWndCtl*/, BOOL& /*bHandled*/) {
		TimerManager::getInstance()->removeListener(this);
		EndDialog(wID);
		return 0;
	}

	LRESULT OnCtlColor(UINT, WPARAM wParam, LPARAM /*lParam*/, BOOL&) {
		SetBkMode((HDC)wParam, SETTING(BK_SETTING));
		SetTextColor((HDC)wParam, SETTING(BK_SETTING_TEXT));
		return (LRESULT)WinUtil::bkBrush;
	}

private:
	CEdit ctrl;
	HttpConnection c;

	AboutDlg(const AboutDlg&) { dcassert(0); };
	
	virtual void on(HttpConnectionListener::Data, HttpConnection* /*conn*/, const u_int8_t* buf, size_t len) throw() {
		downBuf.append((char*)buf, len);
	}

	virtual void on(HttpConnectionListener::Complete, HttpConnection* conn, const string&) throw() {
		try {
			if(!downBuf.empty()) {
				SimpleXML xml;
				xml.fromXML(downBuf);
				if(xml.findChild("DCUpdate")) {
					xml.stepIn();
					if(xml.findChild("Version")) {
						tstring* x = new tstring(Text::toT(xml.getChildData()));
						PostMessage(WM_VERSIONDATA, (WPARAM) x);
					}
				}
				xml.stepOut();
			}
		} catch (...) {
			// ...
		}
		conn->removeListener(this);
	}

	virtual void on(HttpConnectionListener::Failed, HttpConnection* conn, const string& aLine) throw() {
		tstring* x = new tstring(Text::toT(aLine));
		PostMessage(WM_VERSIONDATA, (WPARAM) x);
		conn->removeListener(this);
	}

	virtual void on(TimerManagerListener::Second /*type*/, u_int32_t /*aTick*/) throw() {
		static char buf[256];
		sprintf(buf, "Uptime: %s", WinUtil::formatTime(Util::getUptime()).c_str());
		SetDlgItemText(IDC_UPTIME, Text::toT(buf).c_str());
		sprintf(buf, "Total Uptime: %s", WinUtil::formatTime(SETTING(TOTAL_UPTIMES)).c_str());
		SetDlgItemText(IDC_TOTAL_UPTIME, Text::toT(buf).c_str());
	}

	string downBuf;
};

#endif // !defined(ABOUT_DLG_H)

/**
 * @file
 * $Id: AboutDlg.h 111 2006-11-17 12:42:35Z mccm $
 */