/*
Copyright (c) 2014, Lars Brubaker
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this
   list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

The views and conclusions contained in the software and documentation are those
of the authors and should not be interpreted as representing official policies,
either expressed or implied, of the FreeBSD Project.
*/

using MatterHackers.Agg;
using MatterHackers.Agg.UI;
using MatterHackers.Localizations;
using MatterHackers.MatterControl.CustomWidgets;
using MatterHackers.MatterControl.DataStorage;
using MatterHackers.VectorMath;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;

namespace MatterHackers.MatterControl.SlicerConfiguration
{
	public class SlicePresetListWidget : GuiWidget
	{
		private SlicePresetsWindow windowController;
		private TextImageButtonFactory buttonFactory;
		private LinkButtonFactory linkButtonFactory;
		private PresetListControl presetListControl;
		private Button importPresetButton;

		public SlicePresetListWidget(SlicePresetsWindow windowController)
		{
			this.windowController = windowController;
			this.AnchorAll();

			linkButtonFactory = new LinkButtonFactory();

			buttonFactory = new TextImageButtonFactory();
			buttonFactory.normalTextColor = ActiveTheme.Instance.PrimaryTextColor;
			buttonFactory.hoverTextColor = ActiveTheme.Instance.PrimaryTextColor;
			buttonFactory.disabledTextColor = ActiveTheme.Instance.PrimaryTextColor;
			buttonFactory.pressedTextColor = ActiveTheme.Instance.PrimaryTextColor;
			buttonFactory.borderWidth = 0;

			AddElements();
			AddHandlers();
		}

		private void AddElements()
		{
			FlowLayoutWidget mainContainer = new FlowLayoutWidget(FlowDirection.TopToBottom);
			mainContainer.Padding = new BorderDouble(3);
			mainContainer.AnchorAll();

			mainContainer.AddChild(GetTopRow());
			mainContainer.AddChild(GetMiddleRow());
			mainContainer.AddChild(GetBottomRow());

			this.AddChild(mainContainer);
		}

		private void AddHandlers()
		{
			importPresetButton.Click += new EventHandler(importPreset_Click);
		}

		private FlowLayoutWidget GetTopRow()
		{
			FlowLayoutWidget container = new FlowLayoutWidget();
			container.HAnchor = HAnchor.ParentLeftRight;
			container.Padding = new BorderDouble(0, 6);
			TextWidget labelText = new TextWidget("{0} Presets:".FormatWith(windowController.filterLabel.Localize()), pointSize: 14);
			labelText.TextColor = ActiveTheme.Instance.PrimaryTextColor;

			container.AddChild(labelText);
			container.AddChild(new HorizontalSpacer());
			return container;
		}

		private FlowLayoutWidget GetMiddleRow()
		{
			FlowLayoutWidget container = new FlowLayoutWidget();
			container.HAnchor = HAnchor.ParentLeftRight;
			container.VAnchor = Agg.UI.VAnchor.ParentBottomTop;
			container.BackgroundColor = ActiveTheme.Instance.SecondaryBackgroundColor;
			container.Margin = new BorderDouble(0, 3, 0, 0);

			presetListControl = new PresetListControl();

			IEnumerable<DataStorage.SliceSettingsCollection> collections = GetCollections();
			foreach (DataStorage.SliceSettingsCollection collection in collections)
			{
				presetListControl.AddChild(new PresetListItem(this.windowController, collection));
			}
			container.AddChild(presetListControl);

			return container;
		}

		private FlowLayoutWidget GetBottomRow()
		{
			FlowLayoutWidget container = new FlowLayoutWidget();
			container.HAnchor = HAnchor.ParentLeftRight;

			Button addPresetButton = buttonFactory.Generate(LocalizedString.Get("Add"), "icon_circle_plus.png");
			addPresetButton.ToolTipText = "Add a new Material Preset".Localize();
			addPresetButton.Click += (sender, e) =>
			{
				UiThread.RunOnIdle(() =>
				{
					windowController.ChangeToSlicePresetDetail();
				});
			};

			importPresetButton = buttonFactory.Generate(LocalizedString.Get("Import"));
			importPresetButton.ToolTipText = "Import an existing Material Preset".Localize();

			Button closeButton = buttonFactory.Generate(LocalizedString.Get("Close"));
			closeButton.Click += (sender, e) =>
			{
				UiThread.RunOnIdle(() =>
				{
					windowController.Close();
				});
			};

			container.AddChild(addPresetButton);
			container.AddChild(importPresetButton);
			container.AddChild(new HorizontalSpacer());
			container.AddChild(closeButton);

			return container;
		}

		private void importPreset_Click(object sender, EventArgs mouseEvent)
		{
			UiThread.RunOnIdle(importPresetDo);
		}

		private void importPresetDo()
		{
			OpenFileDialogParams openParams = new OpenFileDialogParams("Load Slice Preset|*.slice;*.ini");
			openParams.ActionButtonLabel = "Load Slice Preset";
			openParams.Title = "MatterControl: Select A File";

			FileDialog.OpenFileDialog(openParams, onPresetLoad);
		}

		private void onPresetLoad(OpenFileDialogParams openParams)
		{
			if (openParams.FileNames != null)
			{
				DataStorage.SliceSettingsCollection settingsCollection;
				try
				{
					if (File.Exists(openParams.FileName))
					{
						//Create collection to hold preset settings
						settingsCollection = new SliceSettingsCollection();
						settingsCollection.Tag = windowController.filterTag;
						settingsCollection.PrinterId = ActivePrinterProfile.Instance.ActivePrinter.Id;
						settingsCollection.Name = System.IO.Path.GetFileNameWithoutExtension(openParams.FileName);
						settingsCollection.Commit();

						string[] lines = System.IO.File.ReadAllLines(openParams.FileName);
						foreach (string line in lines)
						{
							//Ignore commented lines
							if (!line.StartsWith("#"))
							{
								string[] settingLine = line.Split('=');
								string keyName = settingLine[0].Trim();
								string settingDefaultValue = settingLine[1].Trim();

								//To do - validate imported settings as valid (KP)
								DataStorage.SliceSetting sliceSetting = new DataStorage.SliceSetting();
								sliceSetting.Name = keyName;
								sliceSetting.Value = settingDefaultValue;
								sliceSetting.SettingsCollectionId = settingsCollection.Id;
								sliceSetting.Commit();
							}
						}
						windowController.ChangeToSlicePresetList();
					}
				}
				catch (Exception)
				{
					// Error loading configuration
				}
			}
		}

		private IEnumerable<DataStorage.SliceSettingsCollection> GetCollections()
		{
			IEnumerable<DataStorage.SliceSettingsCollection> results = Enumerable.Empty<DataStorage.SliceSettingsCollection>();
			if (ActivePrinterProfile.Instance.ActivePrinter != null)
			{
				//Retrieve a list of collections matching from the Datastore
				string query = string.Format("SELECT * FROM SliceSettingsCollection WHERE Tag = '{0}' AND PrinterId = {1}  ORDER BY Name;", windowController.filterTag, ActivePrinterProfile.Instance.ActivePrinter.Id);
				results = (IEnumerable<DataStorage.SliceSettingsCollection>)DataStorage.Datastore.Instance.dbSQLite.Query<DataStorage.SliceSettingsCollection>(query);
			}
			return results;
		}

		private class PresetListItem : FlowLayoutWidget
		{
			private DataStorage.SliceSettingsCollection preset;

			private DataStorage.SliceSettingsCollection Preset { get { return preset; } }

			public PresetListItem(SlicePresetsWindow windowController, DataStorage.SliceSettingsCollection preset)
			{
				this.preset = preset;
				this.BackgroundColor = RGBA_Bytes.White;
				this.HAnchor = HAnchor.ParentLeftRight;
				this.Margin = new BorderDouble(6, 0, 6, 3);
				this.Padding = new BorderDouble(3);

				LinkButtonFactory linkButtonFactory = new LinkButtonFactory();
				linkButtonFactory.fontSize = 10;

				int maxLabelWidth = 300;
				TextWidget materialLabel = new TextWidget(preset.Name, pointSize: 14);
				materialLabel.EllipsisIfClipped = true;
				materialLabel.VAnchor = Agg.UI.VAnchor.ParentCenter;
				materialLabel.MinimumSize = new Vector2(maxLabelWidth, materialLabel.Height);
				materialLabel.Width = maxLabelWidth;

				Button materialEditLink = linkButtonFactory.Generate("edit");
				materialEditLink.VAnchor = Agg.UI.VAnchor.ParentCenter;
				materialEditLink.Click += (sender, e) =>
				{
					UiThread.RunOnIdle(() =>
					{
						windowController.ChangeToSlicePresetDetail(preset);
					});
				};

				Button materialRemoveLink = linkButtonFactory.Generate("remove");
				materialRemoveLink.Margin = new BorderDouble(left: 4);
				materialRemoveLink.VAnchor = Agg.UI.VAnchor.ParentCenter;
				materialRemoveLink.Click += (sender, e) =>
				{
					UiThread.RunOnIdle(() =>
					{
						//Unwind this setting if it is currently active
						if (ActivePrinterProfile.Instance.ActivePrinter != null)
						{
							if (preset.Id == ActivePrinterProfile.Instance.ActiveQualitySettingsID)
							{
								ActivePrinterProfile.Instance.ActiveQualitySettingsID = 0;
							}

							string[] activeMaterialPresets = ActivePrinterProfile.Instance.ActivePrinter.MaterialCollectionIds.Split(',');
							for (int i = 0; i < activeMaterialPresets.Count(); i++)
							{
								int index = 0;
								Int32.TryParse(activeMaterialPresets[i], out index);
								if (preset.Id == index)
								{
									ActivePrinterProfile.Instance.SetMaterialSetting(i + 1, 0);
								}
							}
						}
						preset.Delete();
						windowController.ChangeToSlicePresetList();
						ActiveSliceSettings.Instance.LoadAllSettings();
						ApplicationController.Instance.ReloadAdvancedControlsPanel();
					});
				};

				this.AddChild(materialLabel);
				this.AddChild(new HorizontalSpacer());
				this.AddChild(materialEditLink);
				this.AddChild(materialRemoveLink);

				this.Height = 35;
			}
		}

		private class PresetListControl : ScrollableWidget
		{
			private FlowLayoutWidget topToBottomItemList;

			public PresetListControl()
			{
				this.AnchorAll();
				this.AutoScroll = true;
				this.ScrollArea.HAnchor |= Agg.UI.HAnchor.ParentLeftRight;

				topToBottomItemList = new FlowLayoutWidget(FlowDirection.TopToBottom);
				topToBottomItemList.HAnchor = Agg.UI.HAnchor.Max_FitToChildren_ParentWidth;
				topToBottomItemList.Margin = new BorderDouble(top: 3);

				base.AddChild(topToBottomItemList);
			}

			public override void AddChild(GuiWidget child, int indexInChildrenList = -1)
			{
				FlowLayoutWidget itemHolder = new FlowLayoutWidget();
				itemHolder.Margin = new BorderDouble(0, 0, 0, 0);
				itemHolder.HAnchor = Agg.UI.HAnchor.Max_FitToChildren_ParentWidth;
				itemHolder.AddChild(child);
				itemHolder.VAnchor = VAnchor.FitToChildren;

				topToBottomItemList.AddChild(itemHolder, indexInChildrenList);
			}
		}
	}
}