using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using BrightIdeasSoftware;
using PDFPatcher.Common;
using PDFPatcher.Model;

namespace PDFPatcher.Functions
{
	sealed partial class PageSettingsEditor : UserControl
	{
		readonly TypedObjectListView<Model.PageBoxSettings> _SettingsBox;
		private List<Model.PageBoxSettings> _Settings;
		[Browsable(false)]
		public List<Model.PageBoxSettings> Settings {
			get => _Settings;
			set { _Settings = value; _SettingsBox.Objects = value; }
		}

		public PageSettingsEditor() {
			InitializeComponent();
			this.OnFirstLoad(OnLoad);
			_SettingsBox = new TypedObjectListView<Model.PageBoxSettings>(_PageSettingsBox);
			new TypedColumn<Model.PageBoxSettings>(_PageFilterColumn) {
				AspectGetter = (o) => {
					var f = o.Filter;
					var eo = f & (PageFilterFlag.Even | PageFilterFlag.Odd);
					var pl = f & (PageFilterFlag.Landscape | PageFilterFlag.Portrait);
					return f == PageFilterFlag.NotSpecified ? "所有页面"
						: String.Concat(
							eo == PageFilterFlag.Odd ? "单数"
							: eo == PageFilterFlag.Even ? "双数"
							: String.Empty,
							pl == PageFilterFlag.Landscape ? "横向"
							: pl == PageFilterFlag.Portrait ? "纵向"
							: String.Empty,
							"页");
				}
			};
			new TypedColumn<PageBoxSettings>(_SettingsColumn) {
				AspectGetter = (o) => {
					var r = o.Rotation;
					return String.Concat(
							r == 0 ? Constants.Content.RotationDirections.Zero
							: r == 90 ? Constants.Content.RotationDirections.Right
							: r == 180 ? Constants.Content.RotationDirections.HalfClock
							: r == 270 ? Constants.Content.RotationDirections.Left
							: Constants.Content.RotationDirections.Zero
						);
				}
			};
			new TypedColumn<Model.PageBoxSettings>(_PageRangeColumn) {
				AspectGetter = (o) => { return String.IsNullOrEmpty(o.PageRanges) ? Constants.PageFilterTypes.AllPages : o.PageRanges; },
				AspectPutter = (o, v) => {
					var s = v as string;
					o.PageRanges = s != Constants.PageFilterTypes.AllPages ? s : null;
				}
			};
			_PageSettingsBox.FormatRow += (s, args) => {
				args.Item.SubItems[0].Text = (args.RowIndex + 1).ToText();
			};
		}

		void OnLoad() {
			_PageSettingsBox.FixEditControlWidth();
			_PageSettingsBox.ScaleColumnWidths();
			_PageSettingsBox.FullRowSelect = true;
			_PageSettingsBox.LabelEdit = false;
			_PageSettingsBox.CellClick += (s, args) => {
				if (args.Column == _PageFilterColumn) {
					ShowMenuForClickedCell(args, _PageRangeFilterTypeMenu);
				}
				else if (args.Column == _SettingsColumn) {
					ShowMenuForClickedCell(args, _PageSettingsMenu);
				}
			};
			_PageRangeFilterTypeMenu.Opening += (s, args) => {
				var f = _SettingsBox.SelectedObject.Filter;
				_AllPagesMenu.Checked = f == PageFilterFlag.All || f == PageFilterFlag.NotSpecified;
				_OddPagesMenu.Checked = (f & PageFilterFlag.Odd) == PageFilterFlag.Odd;
				_EvenPagesMenu.Checked = (f & PageFilterFlag.Even) == PageFilterFlag.Even;
				_PortraitPagesMenu.Checked = (f & PageFilterFlag.Portrait) == PageFilterFlag.Portrait;
				_LandscapePagesMenu.Checked = (f & PageFilterFlag.Landscape) == PageFilterFlag.Landscape;
			};
			_PageRangeFilterTypeMenu.ItemClicked += (s, args) => {
				var o = _SettingsBox.SelectedObject;
				var i = args.ClickedItem;
				if (_AllPagesMenu == i) {
					o.Filter = PageFilterFlag.NotSpecified;
				}
				else if (_OddPagesMenu == i) {
					o.Filter &= ~PageFilterFlag.Even;
					o.Filter ^= PageFilterFlag.Odd;
				}
				else if (_EvenPagesMenu == i) {
					o.Filter &= ~PageFilterFlag.Odd;
					o.Filter ^= PageFilterFlag.Even;
				}
				else if (_LandscapePagesMenu == i) {
					o.Filter &= ~PageFilterFlag.Portrait;
					o.Filter ^= PageFilterFlag.Landscape;
				}
				else if (_PortraitPagesMenu == i) {
					o.Filter &= ~PageFilterFlag.Landscape;
					o.Filter ^= PageFilterFlag.Portrait;
				}
				if (o.Filter == PageFilterFlag.All) {
					o.Filter = PageFilterFlag.NotSpecified;
				}
				_PageSettingsBox.RefreshObject(_PageSettingsBox.SelectedObject);
			};
			_RotateMenu.DropDownOpening += (s, args) => {
				var r = _SettingsBox.SelectedObject.Rotation;
				foreach (ToolStripMenuItem item in _RotateMenu.DropDownItems) {
					item.Checked = false;
				}
				switch (r) {
					case 0: _RotateZeroMenuItem.Checked = true; break;
					case 90: _RotateRightMenuItem.Checked = true; break;
					case 180: _Rotate180MenuItem.Checked = true; break;
					case 270: _RotateLeftMenuItem.Checked = true; break;
					default: _RotateZeroMenuItem.Checked = true; break;
				}
			};
			_RotateMenu.DropDownItemClicked += (s, args) => {
				var o = _SettingsBox.SelectedObject;
				var i = args.ClickedItem;
				if (_RotateZeroMenuItem == i) {
					o.Rotation = 0;
				}
				else if (_RotateRightMenuItem == i) {
					o.Rotation = 90;
				}
				else if (_RotateLeftMenuItem == i) {
					o.Rotation = 270;
				}
				else if (_Rotate180MenuItem == i) {
					o.Rotation = 180;
				}
				_PageSettingsBox.RefreshObject(o);
			};
		}

		private void ShowMenuForClickedCell(CellClickEventArgs args, ContextMenuStrip menu) {
			var b = _PageSettingsBox.GetSubItem(args.RowIndex, args.ColumnIndex).Bounds;
			menu.Show(_PageSettingsBox, b.Left, b.Bottom);
		}

		private void _AddPageSettingsButton_Click(object sender, EventArgs e) {
			_Settings.Add(new PageBoxSettings());
			_SettingsBox.Objects = _Settings;
		}

		private void _RemovePageSettingsButton_Click(object sender, EventArgs e) {
			_PageSettingsBox.RemoveObjects(_PageSettingsBox.SelectedObjects);
			_Settings.Clear();
			_Settings.AddRange(_SettingsBox.Objects);
		}


	}
}