/*
 * Greenshot - a free and open source screenshot tool
 * Copyright (C) 2007-2016 Thomas Braun, Jens Klingen, Robin Krom
 * 
 * For more information see: http://getgreenshot.org/
 * The Greenshot project is hosted on GitHub https://github.com/greenshot/greenshot
 * 
 * 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 1 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, see <http://www.gnu.org/licenses/>.
 */

using Greenshot.IniFile;
using Greenshot.Plugin;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.IO;
using System.Reflection;
using System.Windows.Forms;

namespace GreenshotPlugin.Core {
	public enum ClipboardFormat {
		PNG, DIB, HTML, HTMLDATAURL, BITMAP, DIBV5
	}
	public enum OutputFormat {
		bmp, gif, jpg, png, tiff, greenshot, ico
	}
	public enum WindowCaptureMode {
		Screen, GDI, Aero, AeroTransparent, Auto
	}

	public enum BuildStates {
		UNSTABLE,
		RELEASE_CANDIDATE,
		RELEASE
	}
	
	public enum ClickActions {
		DO_NOTHING,
		OPEN_LAST_IN_EXPLORER,
		OPEN_LAST_IN_EDITOR,
		OPEN_SETTINGS,
		SHOW_CONTEXT_MENU
	}

	/// <summary>
	/// Description of CoreConfiguration.
	/// </summary>
	[IniSection("Core", Description="Greenshot core configuration")]
	public class CoreConfiguration : IniSection, INotifyPropertyChanged {
		public event PropertyChangedEventHandler PropertyChanged;

		[IniProperty("Language", Description = "The language in IETF format (e.g. en-US)")]
		public string Language { get; set; }

		[IniProperty("RegionHotkey", Description="Hotkey for starting the region capture", DefaultValue="PrintScreen")]
		public string RegionHotkey { get; set; }
		[IniProperty("WindowHotkey", Description="Hotkey for starting the window capture", DefaultValue="Alt + PrintScreen")]
		public string WindowHotkey { get; set; }
		[IniProperty("FullscreenHotkey", Description="Hotkey for starting the fullscreen capture", DefaultValue="Ctrl + PrintScreen")]
		public string FullscreenHotkey { get; set; }
		[IniProperty("LastregionHotkey", Description="Hotkey for starting the last region capture", DefaultValue="Shift + PrintScreen")]
		public string LastregionHotkey { get; set; }
		[IniProperty("IEHotkey", Description="Hotkey for starting the IE capture", DefaultValue="Shift + Ctrl + PrintScreen")]
		public string IEHotkey { get; set; }

		[IniProperty("IsFirstLaunch", Description="Is this the first time launch?", DefaultValue="true")]
		public bool IsFirstLaunch { get; set; }
		[IniProperty("Destinations", Separator=",", Description="Which destinations? Possible options (more might be added by plugins) are: Editor, FileDefault, FileWithDialog, Clipboard, Printer, EMail, Picker", DefaultValue="Picker")]
		public List<string> OutputDestinations { get; set; } = new List<string>();
		[IniProperty("ClipboardFormats", Separator=",", Description="Specify which formats we copy on the clipboard? Options are: PNG, HTML, HTMLDATAURL and DIB", DefaultValue="PNG,DIB")]
		public List<ClipboardFormat> ClipboardFormats { get; set; } = new List<ClipboardFormat>();

		[IniProperty("CaptureMousepointer", Description="Should the mouse be captured?", DefaultValue="true")]
		public bool CaptureMousepointer { get; set; }
		[IniProperty("CaptureWindowsInteractive", Description="Use interactive window selection to capture? (false=Capture active window)", DefaultValue="false")]
		public bool CaptureWindowsInteractive { get; set; }
		[IniProperty("CaptureDelay", Description="Capture delay in millseconds.", DefaultValue="100")]
		public int CaptureDelay { get; set; }
		[IniProperty("ScreenCaptureMode", Description = "The capture mode used to capture a screen. (Auto, FullScreen, Fixed)", DefaultValue = "Auto")]
		public ScreenCaptureMode ScreenCaptureMode { get; set; }
		[IniProperty("ScreenToCapture", Description = "The screen number to capture when using ScreenCaptureMode Fixed.", DefaultValue = "1")]
		public int ScreenToCapture { get; set; }
		[IniProperty("WindowCaptureMode", Description = "The capture mode used to capture a Window (Screen, GDI, Aero, AeroTransparent, Auto).", DefaultValue = "Auto")]
		public WindowCaptureMode WindowCaptureMode { get; set; }
		[IniProperty("WindowCaptureAllChildLocations", Description="Enable/disable capture all children, very slow but will make it possible to use this information in the editor.", DefaultValue="False")]
		public bool WindowCaptureAllChildLocations { get; set; }

		[IniProperty("DWMBackgroundColor", Description="The background color for a DWM window capture.")]
		public Color DWMBackgroundColor { get; set; }

		[IniProperty("PlayCameraSound", LanguageKey="settings_playsound",Description="Play a camera sound after taking a capture.", DefaultValue="false")]
		public bool PlayCameraSound { get; set; } = false;
		[IniProperty("ShowTrayNotification", LanguageKey="settings_shownotify",Description="Show a notification from the systray when a capture is taken.", DefaultValue="true")]
		public bool ShowTrayNotification { get; set; } = true;
		
		[IniProperty("OutputFilePath", Description="Output file path.")]
		public string OutputFilePath { get; set; }
		[IniProperty("OutputFileAllowOverwrite", Description = "If the target file already exists True will make Greenshot always overwrite and False will display a 'Save-As' dialog.", DefaultValue = "true")]
		public bool OutputFileAllowOverwrite { get; set; }
		[IniProperty("OutputFileFilenamePattern", Description = "Filename pattern for screenshot.", DefaultValue = "${capturetime:d\"yyyy-MM-dd HH_mm_ss\"}-${title}")]
		public string OutputFileFilenamePattern { get; set; }
		[IniProperty("OutputFileFormat", Description="Default file type for writing screenshots. (bmp, gif, jpg, png, tiff)", DefaultValue="png")]
		public OutputFormat OutputFileFormat { get; set; } = OutputFormat.png;
		[IniProperty("OutputFileReduceColors", Description="If set to true, than the colors of the output file are reduced to 256 (8-bit) colors", DefaultValue="false")]
		public bool OutputFileReduceColors { get; set; }
		[IniProperty("OutputFileAutoReduceColors", Description = "If set to true the amount of colors is counted and if smaller than 256 the color reduction is automatically used.", DefaultValue = "false")]
		public bool OutputFileAutoReduceColors { get; set; }
		[IniProperty("OutputFileReduceColorsTo", Description = "Amount of colors to reduce to, when reducing", DefaultValue = "256")]
		public int OutputFileReduceColorsTo { get; set; }

		[IniProperty("OutputFileCopyPathToClipboard", Description="When saving a screenshot, copy the path to the clipboard?", DefaultValue="true")]
		public bool OutputFileCopyPathToClipboard { get; set; }
		[IniProperty("OutputFileAsFullpath", Description="SaveAs Full path?")]
		public string OutputFileAsFullpath { get; set; }

		[IniProperty("OutputFileJpegQuality", Description="JPEG file save quality in %.", DefaultValue="80")]
		public int OutputFileJpegQuality { get; set; }
		[IniProperty("OutputFilePromptQuality", Description="Ask for the quality before saving?", DefaultValue="false")]
		public bool OutputFilePromptQuality { get; set; }
		[IniProperty("OutputFileIncrementingNumber", Description="The number for the ${NUM} in the filename pattern, is increased automatically after each save.", DefaultValue="1")]
		public uint OutputFileIncrementingNumber { get; set; }

		[IniProperty("OutputPrintPromptOptions", LanguageKey="settings_alwaysshowprintoptionsdialog", Description="Ask for print options when printing?", DefaultValue="true")]
		public bool OutputPrintPromptOptions { get; set; }
		[IniProperty("OutputPrintAllowRotate", LanguageKey="printoptions_allowrotate", Description="Allow rotating the picture for fitting on paper?", DefaultValue="false")]
		public bool OutputPrintAllowRotate { get; set; }
		[IniProperty("OutputPrintAllowEnlarge", LanguageKey="printoptions_allowenlarge", Description="Allow growing the picture for fitting on paper?", DefaultValue="false")]
		public bool OutputPrintAllowEnlarge { get; set; }
		[IniProperty("OutputPrintAllowShrink", LanguageKey="printoptions_allowshrink", Description="Allow shrinking the picture for fitting on paper?", DefaultValue="true")]
		public bool OutputPrintAllowShrink { get; set; }
		[IniProperty("OutputPrintCenter", LanguageKey="printoptions_allowcenter", Description="Center image when printing?", DefaultValue="true")]
		public bool OutputPrintCenter { get; set; }
		[IniProperty("OutputPrintInverted", LanguageKey="printoptions_inverted", Description="Print image inverted (use e.g. for console captures)", DefaultValue="false")]
		public bool OutputPrintInverted { get; set; }
		[IniProperty("OutputPrintGrayscale", LanguageKey = "printoptions_printgrayscale", Description = "Force grayscale printing", DefaultValue = "false")]
		public bool OutputPrintGrayscale { get; set; }
		[IniProperty("OutputPrintMonochrome", LanguageKey = "printoptions_printmonochrome", Description = "Force monorchrome printing", DefaultValue = "false")]
		public bool OutputPrintMonochrome { get; set; }
		[IniProperty("OutputPrintMonochromeThreshold", Description = "Threshold for monochrome filter (0 - 255), lower value means less black", DefaultValue = "127")]
		public byte OutputPrintMonochromeThreshold { get; set; }
		[IniProperty("OutputPrintFooter", LanguageKey = "printoptions_timestamp", Description = "Print footer on print?", DefaultValue = "true")]
		public bool OutputPrintFooter { get; set; }
		[IniProperty("OutputPrintFooterPattern", Description = "Footer pattern", DefaultValue = "${capturetime:d\"D\"} ${capturetime:d\"T\"} - ${title}")]
		public string OutputPrintFooterPattern { get; set; }
		[IniProperty("NotificationSound", Description = "The wav-file to play when a capture is taken, loaded only once at the Greenshot startup", DefaultValue="default")]
		public string NotificationSound { get; set; }
		[IniProperty("UseProxy", Description="Use your global proxy?", DefaultValue="True")]
		public bool UseProxy { get; set; }
		[IniProperty("IECapture", Description="Enable/disable IE capture", DefaultValue="True")]
		public bool IECapture { get; set; }
		[IniProperty("IEFieldCapture", Description="Enable/disable IE field capture, very slow but will make it possible to annotate the fields of a capture in the editor.", DefaultValue="False")]
		public bool IEFieldCapture { get; set; }
		[IniProperty("WindowClassesToCheckForIE", Description = "Comma separated list of Window-Classes which need to be checked for a IE instance!", DefaultValue = "AfxFrameOrView70,IMWindowClass")]
		public List<string> WindowClassesToCheckForIE { get; set; }
		[IniProperty("AutoCropDifference", Description="Sets how to compare the colors for the autocrop detection, the higher the more is 'selected'. Possible values are from 0 to 255, where everything above ~150 doesn't make much sense!", DefaultValue="10")]
		public int AutoCropDifference { get; set; }

		[IniProperty("IncludePlugins", Description="Comma separated list of Plugins which are allowed. If something in the list, than every plugin not in the list will not be loaded!")]
		public List<string> IncludePlugins { get; set; }
		[IniProperty("ExcludePlugins", Description="Comma separated list of Plugins which are NOT allowed.")]
		public List<string> ExcludePlugins { get; set; }
		[IniProperty("ExcludeDestinations", Description = "Comma separated list of destinations which should be disabled.")]
		public List<string> ExcludeDestinations { get; set; }

		[IniProperty("UpdateCheckInterval", Description="How many days between every update check? (0=no checks)", DefaultValue="14")]
		public int UpdateCheckInterval { get; set; }
		[IniProperty("LastUpdateCheck", Description="Last update check")]
		public DateTime LastUpdateCheck { get; set; }

		[IniProperty("DisableSettings", Description = "Enable/disable the access to the settings, can only be changed manually in this .ini", DefaultValue = "False")]
		public bool DisableSettings { get; set; }
		[IniProperty("DisableQuickSettings", Description = "Enable/disable the access to the quick settings, can only be changed manually in this .ini", DefaultValue = "False")]
		public bool DisableQuickSettings { get; set; }
		[IniProperty("DisableTrayicon", Description = "Disable the trayicon, can only be changed manually in this .ini", DefaultValue = "False")]
		public bool HideTrayicon { get; set; }
		[IniProperty("HideExpertSettings", Description = "Hide expert tab in the settings, can only be changed manually in this .ini", DefaultValue = "False")]
		public bool HideExpertSettings { get; set; }

		[IniProperty("ThumnailPreview", Description="Enable/disable thumbnail previews", DefaultValue="True")]
		public bool ThumnailPreview { get; set; }

		[IniProperty("NoGDICaptureForProduct", Description = "List of productnames for which GDI capturing is skipped (using fallback).", DefaultValue = "IntelliJ IDEA")]
		public List<string> NoGDICaptureForProduct { get; set; }
		[IniProperty("NoDWMCaptureForProduct", Description = "List of productnames for which DWM capturing is skipped (using fallback).", DefaultValue = "Citrix ICA Client")]
		public List<string> NoDWMCaptureForProduct { get; set; }

		[IniProperty("OptimizeForRDP", Description="Make some optimizations for usage with remote desktop", DefaultValue="False")]
		public bool OptimizeForRDP { get; set; }
		[IniProperty("DisableRDPOptimizing", Description = "Disable all optimizations for usage with remote desktop", DefaultValue = "False")]
		public bool DisableRDPOptimizing { get; set; }

		[IniProperty("MinimizeWorkingSetSize", Description="Optimize memory footprint, but with a performance penalty!", DefaultValue="False")]
		public bool MinimizeWorkingSetSize { get; set; }

		[IniProperty("WindowCaptureRemoveCorners", Description = "Remove the corners from a window capture", DefaultValue = "True")]
		public bool WindowCaptureRemoveCorners { get; set; }

		[IniProperty("CheckForUnstable", Description = "Also check for unstable version updates", DefaultValue = "False")]
		public bool CheckForUnstable { get; set; }

		[IniProperty("ActiveTitleFixes", Description="The fixes that are active.")]
		public List<string> ActiveTitleFixes { get; set; }

		[IniProperty("TitleFixMatcher", Description="The regular expressions to match the title with.")]
		public Dictionary<string, string> TitleFixMatcher { get; set; }

		[IniProperty("TitleFixReplacer", Description="The replacements for the matchers.")]
		public Dictionary<string, string> TitleFixReplacer { get; set; }

		[IniProperty("ExperimentalFeatures", Description="A list of experimental features, this allows us to test certain features before releasing them.", ExcludeIfNull=true)]
		public List<string> ExperimentalFeatures { get; set; }

		[IniProperty("EnableSpecialDIBClipboardReader", Description = "Enable a special DIB clipboard reader", DefaultValue="True")]
		public bool EnableSpecialDIBClipboardReader { get; set; }

		[IniProperty("WindowCornerCutShape", Description = "The cutshape which is used to remove the window corners, is mirrorred for all corners", DefaultValue = "5,3,2,1,1")]
		public List<int> WindowCornerCutShape { get; set; }

		[IniProperty("LeftClickAction", Description = "Specify what action is made if the tray icon is left clicked, if a double-click action is specified this action is initiated after a delay (configurable via the windows double-click speed)", DefaultValue = "SHOW_CONTEXT_MENU")]
		public ClickActions LeftClickAction { get; set; }

		[IniProperty("DoubleClickAction", Description = "Specify what action is made if the tray icon is double clicked", DefaultValue = "OPEN_LAST_IN_EXPLORER")]
		public ClickActions DoubleClickAction { get; set; }

		[IniProperty("ZoomerEnabled", Description = "Sets if the zoomer is enabled", DefaultValue = "True")]
		public bool ZoomerEnabled { get; set; }
		[IniProperty("ZoomerOpacity", Description = "Specify the transparency for the zoomer, from 0-1 (where 1 is no transparency and 0 is complete transparent. An usefull setting would be 0.7)", DefaultValue = "1")]
		public float ZoomerOpacity { get; set; }

		[IniProperty("MaxMenuItemLength", Description = "Maximum length of submenu items in the context menu, making this longer might cause context menu issues on dual screen systems.", DefaultValue = "25")]
		public int MaxMenuItemLength { get; set; }

		[IniProperty("MailApiTo", Description = "The 'to' field for the email destination (settings for Outlook can be found under the Office section)", DefaultValue = "")]
		public string MailApiTo { get; set; }
		[IniProperty("MailApiCC", Description = "The 'CC' field for the email destination (settings for Outlook can be found under the Office section)", DefaultValue = "")]
		public string MailApiCC { get; set; }
		[IniProperty("MailApiBCC", Description = "The 'BCC' field for the email destination (settings for Outlook can be found under the Office section)", DefaultValue = "")]
		public string MailApiBCC { get; set; }

		[IniProperty("OptimizePNGCommand", Description = "Optional command to execute on a temporary PNG file, the command should overwrite the file and Greenshot will read it back. Note: this command is also executed when uploading PNG's!", DefaultValue = "")]
		public string OptimizePNGCommand { get; set; }
		[IniProperty("OptimizePNGCommandArguments", Description = "Arguments for the optional command to execute on a PNG, {0} is replaced by the temp-filename from Greenshot. Note: Temp-file is deleted afterwards by Greenshot.", DefaultValue = "\"{0}\"")]
		public string OptimizePNGCommandArguments { get; set; }

		[IniProperty("LastSaveWithVersion", Description = "Version of Greenshot which created this .ini")]
		public string LastSaveWithVersion { get; set; }

		[IniProperty("ProcessEXIFOrientation", Description = "When reading images from files or clipboard, use the EXIF information to correct the orientation", DefaultValue = "True")]
		public bool ProcessEXIFOrientation { get; set; }

		[IniProperty("LastCapturedRegion", Description = "The last used region, for reuse in the capture last region")]
		public Rectangle LastCapturedRegion { get; set; }

		private Size _iconSize;
		[IniProperty("IconSize", Description = "Defines the size of the icons (e.g. for the buttons in the editor), default value 16,16 anything bigger will cause scaling", DefaultValue = "16,16")]
		public Size IconSize {
			get {
				return _iconSize;
			}
			set {
				Size newSize = value;
				if (newSize != Size.Empty) {
					if (newSize.Width < 16) {
						newSize.Width = 16;
					} else if (newSize.Width > 256) {
						newSize.Width = 256;
					}
					newSize.Width = (newSize.Width / 16) * 16;
					if (newSize.Height < 16) {
						newSize.Height = 16;
					} else if (IconSize.Height > 256) {
						newSize.Height = 256;
					}
					newSize.Height = (newSize.Height / 16) * 16;
				}
				if (_iconSize != newSize) {
					_iconSize = value;
					PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("IconSize"));
				}
			}
		}

		[IniProperty("WebRequestTimeout", Description = "The connect timeout value for webrequets, these are seconds", DefaultValue = "100")]
		public int WebRequestTimeout { get; set; }
		[IniProperty("WebRequestReadWriteTimeout", Description = "The read/write timeout value for webrequets, these are seconds", DefaultValue = "100")]
		public int WebRequestReadWriteTimeout { get; set; }

		/// <summary>
		/// Specifies what THIS build is
		/// </summary>
		public BuildStates BuildState {
			get {
				string informationalVersion = Application.ProductVersion;
				if (informationalVersion != null) {
					if (informationalVersion.ToLowerInvariant().Contains("-rc")) {
						return BuildStates.RELEASE_CANDIDATE;
					}
					if (informationalVersion.ToLowerInvariant().Contains("-unstable")) {
						return BuildStates.UNSTABLE;
					}
				}
				return BuildStates.RELEASE;
			}
		}

		public bool UseLargeIcons => IconSize.Width >= 32 || IconSize.Height >= 32;

		/// <summary>
		/// A helper method which returns true if the supplied experimental feature is enabled
		/// </summary>
		/// <param name="experimentalFeature"></param>
		/// <returns></returns>
		public bool IsExperimentalFeatureEnabled(string experimentalFeature) {
			return (ExperimentalFeatures != null && ExperimentalFeatures.Contains(experimentalFeature));
		}

		/// <summary>
		/// Supply values we can't put as defaults
		/// </summary>
		/// <param name="property">The property to return a default for</param>
		/// <returns>object with the default value for the supplied property</returns>
		public override object GetDefault(string property) {
			switch(property) {
				case "PluginWhitelist":
				case "PluginBacklist":
					return new List<string>();
				case "OutputFileAsFullpath":
					if (IniConfig.IsPortable) {
						return Path.Combine(Application.StartupPath, @"..\..\Documents\Pictures\Greenshots\dummy.png");
					} else {
						return Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Desktop),"dummy.png");
					}
				case "OutputFilePath":
					if (IniConfig.IsPortable) {
						string pafOutputFilePath = Path.Combine(Application.StartupPath, @"..\..\Documents\Pictures\Greenshots");
						if (!Directory.Exists(pafOutputFilePath)) {
							try {
								Directory.CreateDirectory(pafOutputFilePath);
								return pafOutputFilePath;
							} catch (Exception ex) {
								LOG.Warn(ex);
								// Problem creating directory, fallback to Desktop
							}
						} else {
							return pafOutputFilePath;
						}
					}
					return Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
				case "DWMBackgroundColor":
					return Color.Transparent;
				case "ActiveTitleFixes":
					return new List<string> {"Firefox", "IE", "Chrome"};
				case "TitleFixMatcher":
					return new Dictionary<string, string> {{"Firefox", " - Mozilla Firefox.*"}, {"IE", " - (Microsoft|Windows) Internet Explorer.*"}, {"Chrome", " - Google Chrome.*"}};
				case "TitleFixReplacer":
					return new Dictionary<string, string> {{"Firefox", ""}, {"IE", ""}, {"Chrome", ""}};
			}
			return null;
		}
		
		/// <summary>
		/// This method will be called before converting the property, making to possible to correct a certain value
		/// Can be used when migration is needed
		/// </summary>
		/// <param name="propertyName">The name of the property</param>
		/// <param name="propertyValue">The string value of the property</param>
		/// <returns>string with the propertyValue, modified or not...</returns>
		public override string PreCheckValue(string propertyName, string propertyValue) {
			// Changed the separator, now we need to correct this
			if ("Destinations".Equals(propertyName)) {
				if (propertyValue != null) {
					return propertyValue.Replace('|',',');
				}
			}
			if("OutputFilePath".Equals(propertyName)) {
				if (string.IsNullOrEmpty(propertyValue)) {
					return null;
				}
			}
			return base.PreCheckValue(propertyName, propertyValue);
		}

		/// <summary>
		/// This method will be called before writing the configuration
		/// </summary>
		public override void BeforeSave() {
			try {
				// Store version, this can be used later to fix settings after an update
				LastSaveWithVersion = Assembly.GetEntryAssembly().GetName().Version.ToString();
			}
			catch
			{
				// ignored
			}
		}

		/// <summary>
		/// This method will be called after reading the configuration, so eventually some corrections can be made
		/// </summary>
		public override void AfterLoad() {
			// Comment with releases
			// CheckForUnstable = true;

			if (string.IsNullOrEmpty(LastSaveWithVersion)) {
				try {
					// Store version, this can be used later to fix settings after an update
					LastSaveWithVersion = Assembly.GetEntryAssembly().GetName().Version.ToString();
				}
				catch
				{
					// ignored
				}
				// Disable the AutoReduceColors as it causes issues with Mozzila applications and some others
				OutputFileAutoReduceColors = false;
			}

			// Fix for excessive feed checking
			if (UpdateCheckInterval != 0 && UpdateCheckInterval <= 7 && LastSaveWithVersion.StartsWith("1.2"))
			{
				UpdateCheckInterval = 14;
			}
			if (UpdateCheckInterval > 365)
			{
				UpdateCheckInterval = 365;
			}

			// Enable OneNote if upgrading from 1.1
			if (ExcludeDestinations != null && ExcludeDestinations.Contains("OneNote")) {
				if(LastSaveWithVersion != null && LastSaveWithVersion.StartsWith("1.1")) {
					ExcludeDestinations.Remove("OneNote");
				} else {
					// TODO: Remove with the release
					ExcludeDestinations.Remove("OneNote");
				}
			}

			if (OutputDestinations == null) {
				OutputDestinations = new List<string>();
			}

			// Make sure there is an output!
			if (OutputDestinations.Count == 0) {
				OutputDestinations.Add("Editor");
			}

			// Prevent both settings at once, bug #3435056
			if (OutputDestinations.Contains("Clipboard") && OutputFileCopyPathToClipboard) {
				OutputFileCopyPathToClipboard = false;
			}

			// Make sure we have clipboard formats, otherwise a paste doesn't make sense!
			if (ClipboardFormats == null || ClipboardFormats.Count == 0) {
				ClipboardFormats = new List<ClipboardFormat> {ClipboardFormat.PNG, ClipboardFormat.HTML, ClipboardFormat.DIB};
			}

			// Make sure the lists are lowercase, to speedup the check
			if (NoGDICaptureForProduct != null) {
				// Fix error in configuration
				if (NoGDICaptureForProduct.Count >= 2) {
					if ("intellij".Equals(NoGDICaptureForProduct[0]) && "idea".Equals(NoGDICaptureForProduct[1])) {
						NoGDICaptureForProduct.RemoveRange(0, 2);
						NoGDICaptureForProduct.Add("Intellij Idea");
						IsDirty = true;
					}
				}
				for (int i = 0; i < NoGDICaptureForProduct.Count; i++) {
					NoGDICaptureForProduct[i] = NoGDICaptureForProduct[i].ToLower();
				}
			}
			if (NoDWMCaptureForProduct != null) {
				// Fix error in configuration
				if (NoDWMCaptureForProduct.Count >= 3) {
					if ("citrix".Equals(NoDWMCaptureForProduct[0]) && "ica".Equals(NoDWMCaptureForProduct[1]) && "client".Equals(NoDWMCaptureForProduct[2])) {
						NoDWMCaptureForProduct.RemoveRange(0, 3);
						NoDWMCaptureForProduct.Add("Citrix ICA Client");
						IsDirty = true;
					}
				}
				for (int i = 0; i < NoDWMCaptureForProduct.Count; i++) {
					NoDWMCaptureForProduct[i] = NoDWMCaptureForProduct[i].ToLower();
				}
			}
				
			if (AutoCropDifference < 0) {
				AutoCropDifference = 0;
			}
			if (AutoCropDifference > 255) {
				AutoCropDifference = 255;
			}
			if (OutputFileReduceColorsTo < 2) {
				OutputFileReduceColorsTo = 2;
			}
			if (OutputFileReduceColorsTo > 256) {
				OutputFileReduceColorsTo = 256;
			}

			if (WebRequestTimeout <= 10) {
				WebRequestTimeout = 100;
			}
			if (WebRequestReadWriteTimeout < 1) {
				WebRequestReadWriteTimeout = 100;
			}

			// Added for BUG-1992, reset the OutputFilePath / OutputFileAsFullpath if they don't exist (e.g. the configuration is used on a different PC)
			if (!Directory.Exists(OutputFilePath))
			{
				OutputFilePath = GetDefault(nameof(OutputFilePath)) as string;
			}
			if (!File.Exists(OutputFileAsFullpath))
			{
				OutputFileAsFullpath = GetDefault(nameof(OutputFileAsFullpath)) as string;
			}
		}
	}
}