/*
  KeePass Password Safe - The Open-Source Password Manager
  Copyright (C) 2003-2019 Dominik Reichl <dominik.reichl@t-online.de>

  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 St, Fifth Floor, Boston, MA  02110-1301  USA
*/

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
using System.IO;
using System.Text;

using KeePass.Resources;

using KeePassLib;
using KeePassLib.Interfaces;
using KeePassLib.Security;
using KeePassLib.Utility;

namespace KeePass.DataExchange.Formats
{
	internal sealed class ChromeCsv66 : FileFormatProvider
	{
		public override bool SupportsImport { get { return true; } }
		public override bool SupportsExport { get { return false; } }

		public override string FormatName { get { return "Google Chrome Passwords CSV"; } }
		public override string DefaultExtension { get { return "csv"; } }
		public override string ApplicationGroup { get { return KPRes.Browser; } }

		public override bool ImportAppendsToRootGroupOnly { get { return true; } }

		public override Image SmallIcon
		{
			get { return Properties.Resources.B16x16_Imp_Chrome; }
		}

		public override void Import(PwDatabase pwStorage, Stream sInput,
			IStatusLogger slLogger)
		{
			StreamReader sr = new StreamReader(sInput, StrUtil.Utf8, true);
			string str = sr.ReadToEnd();
			sr.Close();

			CsvOptions opt = new CsvOptions();
			opt.BackslashIsEscape = false;

			CsvStreamReaderEx csr = new CsvStreamReaderEx(str, opt);

			while(true)
			{
				string[] vLine = csr.ReadLine();
				if(vLine == null) break;

				AddEntry(vLine, pwStorage);
			}
		}

		private static void AddEntry(string[] vLine, PwDatabase pd)
		{
			if(vLine.Length != 4) { Debug.Assert(vLine.Length == 0); return; }

			if(vLine[0].Equals("name", StrUtil.CaseIgnoreCmp) &&
				vLine[1].Equals("url", StrUtil.CaseIgnoreCmp))
				return;

			PwEntry pe = new PwEntry(true, true);
			pd.RootGroup.AddEntry(pe, true);

			pe.Strings.Set(PwDefs.TitleField, new ProtectedString(
				pd.MemoryProtection.ProtectTitle, vLine[0]));
			pe.Strings.Set(PwDefs.UrlField, new ProtectedString(
				pd.MemoryProtection.ProtectUrl, vLine[1]));
			pe.Strings.Set(PwDefs.UserNameField, new ProtectedString(
				pd.MemoryProtection.ProtectUserName, vLine[2]));
			pe.Strings.Set(PwDefs.PasswordField, new ProtectedString(
				pd.MemoryProtection.ProtectPassword, vLine[3]));
		}
	}
}
