using ComPDFKit.PDFAnnotation;
using ComPDFKit.PDFDocument;
using ComPDFKitViewer;
using ComPDFKitViewer.AnnotEvent;
using ComPDFKitViewer.PdfViewer;
using Microsoft.Office.Interop.Excel;
using Microsoft.Office.Interop.Word;
using Microsoft.Win32;
using PDF_Office.CustomControl;
using PDF_Office.EventAggregators;
using PDF_Office.Helper;
using PDF_Office.Model;
using PDF_Office.Properties;
using PDF_Office.ViewModels.BOTA;
using PDF_Office.ViewModels.PropertyPanel;
using PDF_Office.ViewModels.PropertyPanel.AnnotPanel;
using PDF_Office.Views.BOTA;
using PDF_Office.Views.PropertyPanel.AnnotPanel;
using PDFSettings;
using Prism.Commands;
using Prism.Events;
using Prism.Mvvm;
using Prism.Regions;
using Prism.Services.Dialogs;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Controls.Primitives;
using System.Windows.Forms;
using System.Windows.Input;
using System.Windows.Media;
using ContextMenu = System.Windows.Controls.ContextMenu;
using MenuItem = System.Windows.Controls.MenuItem;

namespace PDF_Office.ViewModels.Tools
{
    public sealed partial class AnnotToolContentViewModel : BindableBase, INavigationAware
    {
        #region 初始化

        public AnnotToolContentViewModel(IRegionManager regionManager, IEventAggregator eventAggregator, IDialogService dialogService)
        {
            region = regionManager;
            events = eventAggregator;
            dialogs = dialogService;
            InitCommand();
            BindingEvent();
            InitDefaultValue();
            InitToolDict();
        }

        private void InitCommand()
        {
            MyToolsCommand = new DelegateCommand<CustomIconToggleBtn>(BtnMyTools_Click);
            SetAddAnnotationCommand = new DelegateCommand<object>(AddAnnotation_Click);
            PropertyRegionName = Guid.NewGuid().ToString();
        }

        #endregion 初始化

        #region Command实现

        //点击注释工具
        private void BtnMyTools_Click(CustomIconToggleBtn annotBtn)
        {
            //不创建注释，属于注释模板
            bool isTemplateAnnot = false;
            bool isSnapshotEdit = false;
            AnnotHandlerEventArgs annotArgs = null;

            if (annotBtn.IsChecked == true)
            {
                var tag = annotBtn.Tag.ToString();
                FindAnnotTypeKey(tag, ref annotArgs);

                if (tag == "SnapshotEdit")
                {
                    isSnapshotEdit = true;
                }
                else if (tag == "Signature" || tag == "Stamp")
                {
                    isTemplateAnnot = true;
                }

                if (annotArgs != null)
                {
                    annotArgs.Author = Settings.Default.AppProperties.Description.Author;
                    PDFViewer.SetMouseMode(MouseModes.AnnotCreate);
                    PDFViewer.SetToolParam(annotArgs);
                    isRightMenuAddAnnot = false;
                }
            }

            //当不是注释模板，且无创建注释时，属性面板显示为空内容
            if (isTemplateAnnot == false && annotArgs == null)
            {
                PDFViewer.SetMouseMode(MouseModes.PanTool);
                viewContentViewModel.SelectedPrpoertyPanel("PropertyPanelContent", null);
            }
            else
            {
                if (isSnapshotEdit == true)
                {
                    ShowPropertyPanel(false);
                    isSnapshotEdit = false;
                }
                else
                {
                    ShowPropertyPanel((bool)annotBtn.IsChecked);
                }
            }
        }

        /// <summary>
        /// 右键菜单-添加注释
        /// </summary>
        /// <param name="sender"></param>
        private void AddAnnotation_Click(object sender)
        {
            if (sender is MenuItem menuItem)
            {
                AnnotHandlerEventArgs annotHandler = null;
                string str = menuItem.Tag.ToString();
                if (str == AddAnnotType.AnnotFreehand.ToString())
                {
                    annotHandler = GetFreehand();
                }
                if (str == AddAnnotType.AnnotFreeText.ToString())
                {
                    annotHandler = GetFreetext();
                }
                if (str == AddAnnotType.AnnotSticky.ToString())
                {
                    annotHandler = GetStickyNote();
                }
                if (str == AddAnnotType.AnnotSquare.ToString())
                {
                    annotHandler = GetRect();
                }
                if (str == AddAnnotType.AnnotCircle.ToString())
                {
                    annotHandler = GetCircle();
                }
                if (str == AddAnnotType.AnnotArrow.ToString())
                {
                    annotHandler = GetArrowLine("Arrow");
                }
                if (str == AddAnnotType.AnnotLine.ToString())
                {
                    annotHandler = GetArrowLine("Line");
                }
                if (str == AddAnnotType.AnnotLink.ToString())
                {
                    annotHandler = GetLink();
                }
                if (str == AddAnnotType.AnnotStamp.ToString())
                {
                    annotHandler = GetStamp();
                }
                if (str == AddAnnotType.AnnotAutograph.ToString())
                {
                    annotHandler = GetSignature();
                }
                if (annotHandler != null)
                {
                    annotHandler.Author = Settings.Default.AppProperties.Description.Author;
                    PDFViewer.SetMouseMode(MouseModes.AnnotCreate);
                    PDFViewer.SetToolParam(annotHandler);
                    isRightMenuAddAnnot = true;
                    ShowPropertyPanel(false);
                }
            }
        }

        #endregion Command实现

        #region BOTA

        private AnnotationContentViewModel GetAnnotationContentViewModel(BOTAContentViewModel bOTAContentViewModel)
        {
            AnnotationContentViewModel viewModel = null;
            if (bOTAContentViewModel != null)
            {
                if (region.Regions.ContainsRegionWithName(bOTAContentViewModel.BOTAContentRegionName))
                {
                    var views = region.Regions[bOTAContentViewModel.BOTAContentRegionName].Views;
                    foreach (var item in views)
                    {
                        if (item is AnnotationContent annotation)
                        {
                            viewModel = annotation.DataContext as AnnotationContentViewModel;
                            break;
                        }
                    }
                }
            }
            return viewModel;
        }

        /// <summary>
        /// 判断Bota的TabItem是否已显示
        /// </summary>
        /// <param name="bOTAContentViewModel"></param>
        /// <param name="bOTAContent"></param>
        /// <param name="tabItemText"></param>
        /// <returns></returns>
        private bool IsBOTATabItemShow(out BOTAContentViewModel bOTAContentViewModel, out BOTAContent bOTAContent, string tabItemText)
        {
            bool isTabItem = false;
            bOTAContentViewModel = null;
            bOTAContent = null;
            if (region.Regions.ContainsRegionWithName(viewContentViewModel.BOTARegionName))
            {
                var views = region.Regions[viewContentViewModel.BOTARegionName].Views;
                var model = views.FirstOrDefault(q => q is BOTAContent);
                if (model is BOTAContent bOTAContent1)
                {
                    bOTAContent = bOTAContent1;
                    bOTAContentViewModel = bOTAContent.DataContext as BOTAContentViewModel;
                    if (bOTAContentViewModel.CurrentBar == tabItemText)
                    {
                        isTabItem = true;
                    }
                }
                //foreach (var item in views)
                //{
                //    if (item is BOTAContent bOTAContent1)
                //    {
                //        bOTAContent = bOTAContent1;
                //        bOTAContentViewModel = bOTAContent.DataContext as BOTAContentViewModel;
                //        if (bOTAContentViewModel.CurrentBar == tabItemText)
                //        {
                //            isTabItem = true;

                //            break;
                //        }
                //    }
                //}
            }
            return isTabItem;
        }

        private void Select_Click(object sender, RoutedEventArgs e)
        {
            if (viewContentViewModel.OpenBOTA == false)
            {
                viewContentViewModel.OpenBOTA = true;
            }
            bool isBook = IsBOTATabItemShow(out BOTAContentViewModel bOTAContentViewModel, out BOTAContent bOTAContent, "TabItemSearch");
            if (isBook == false)
            {
                bOTAContent.TabItemSearch.IsSelected = true;
            }
        }

        #endregion BOTA

        #region 阅读页右键菜单

        private void PageDisplay(ItemCollection items)
        {
            foreach (var item in items)
            {
                if (item is MenuItem menuItem)
                {
                    menuItem.Click -= PageDisplay_Click;
                    menuItem.Click += PageDisplay_Click;
                }
            }
        }

        private void PageDisplay_Click(object sender, RoutedEventArgs e)
        {
            if (sender is MenuItem menuItem)
            {
                switch (menuItem.Tag.ToString())
                {
                    case "SingleView":
                        PDFViewer.ChangeViewMode(ViewMode.Single);
                        break;

                    case "SingleContinueView":
                        PDFViewer.ChangeViewMode(ViewMode.SingleContinuous);
                        break;

                    case "DoubleView":
                        PDFViewer.ChangeViewMode(ViewMode.Double);
                        break;

                    case "DoubleContinueView":
                        PDFViewer.ChangeViewMode(ViewMode.DoubleContinuous);
                        break;

                    case "BookMode":
                        PDFViewer.ChangeViewMode(ViewMode.Book);
                        break;
                }
            }
        }

        private void ViewZoom(ItemCollection items)
        {
            foreach (var item in items)
            {
                if (item is MenuItem menuItem)
                {
                    menuItem.Click -= PageDisplay_Click;
                    menuItem.Click += ViewZoom_Click;
                }
            }
        }

        private void ViewZoom_Click(object sender, RoutedEventArgs e)
        {
            if (sender is MenuItem menuItem)
            {
                switch (menuItem.Tag.ToString())
                {
                    case "FitWidth":
                        PDFViewer.ChangeFitMode(FitMode.FitWidth);
                        break;

                    case "FitHeight":
                        PDFViewer.ChangeFitMode(FitMode.FitHeight);
                        break;

                    case "FitSize":
                        PDFViewer.ChangeFitMode(FitMode.FitSize);
                        break;

                    case "enlarge":
                        double newZoom = viewContentViewModel.CheckZoomLevel((PDFViewer.ZoomFactor + 0.01), true);
                        PDFViewer.Zoom(newZoom);
                        break;

                    case "narrow":
                        newZoom = viewContentViewModel.CheckZoomLevel((PDFViewer.ZoomFactor + -0.01), false);
                        PDFViewer.Zoom(newZoom);
                        break;
                }
            }
        }

        private void UnReadModel_Click(object sender, RoutedEventArgs e)
        {
            viewContentViewModel.UnReadModel();
        }

        private void ReadModel_Click(object sender, RoutedEventArgs e)
        {
            viewContentViewModel.RbtnReadMode();
        }

        private void SetToolMode(ItemCollection items)
        {
            foreach (var item in items)
            {
                if (item is MenuItem menuItem)
                {
                    menuItem.Click -= PageDisplay_Click;
                    menuItem.Click += ToolMode_Click;
                }
            }
        }

        private void ToolMode_Click(object sender, RoutedEventArgs e)
        {
            if (sender is MenuItem menuItem)
            {
                switch (menuItem.Tag.ToString())
                {
                    case "default":
                        PDFViewer.SetMouseMode(MouseModes.None);
                        //viewContentViewModel.SelectedPrpoertyPanel("PropertyPanelContent", null);
                        BtnHandIsChecked = true;
                        ShowPropertyPanel(false);
                        break;

                    case "roll":
                        PDFViewer.SetMouseMode(MouseModes.PanTool);
                        //viewContentViewModel.SelectedPrpoertyPanel("PropertyPanelContent", null);
                        BtnHandIsChecked = true;
                        ShowPropertyPanel(false);
                        break;

                    case "content":
                        AnnotHandlerEventArgs annotHandler = GetSnapshotEdit();
                        BtnSelecttoolIsChecked = true;
                        if (annotHandler != null)
                        {
                            annotHandler.Author = Settings.Default.AppProperties.Description.Author;
                            PDFViewer.SetMouseMode(MouseModes.AnnotCreate);
                            PDFViewer.SetToolParam(annotHandler);
                            ShowPropertyPanel(false);
                        }
                        break;

                    default:
                        break;
                }
            }
        }

        private void BookMark(MenuItem addBookMark, MenuItem delBookMark)
        {
            int index = PDFViewer.CurrentIndex;
            //检测是否已存在相同数据
            CPDFBookmark list = PDFViewer.Document.GetBookmarkList().FirstOrDefault(q => q.PageIndex == index);
            if (list != null)
            {
                isAddBookMark = false;
            }
            else
            {
                isAddBookMark = true;
            }

            if (isAddBookMark)
            {
                addBookMark.Visibility = Visibility.Visible;
                delBookMark.Visibility = Visibility.Collapsed;
                addBookMark.Click += AddBookMark_Click;
            }
            else
            {
                delBookMark.Visibility = Visibility.Visible;
                addBookMark.Visibility = Visibility.Collapsed;
                delBookMark.Click += DelBookMark_Click;
            }
        }

        private void DelBookMark_Click(object sender, RoutedEventArgs e)
        {
            if (viewContentViewModel.OpenBOTA == false)
            {
                viewContentViewModel.OpenBOTA = true;
            }
            bool isBook = IsBOTATabItemShow(out BOTAContentViewModel bOTAContentViewModel, out BOTAContent bOTAContent, "TabItemBookMark");
            if (isBook == false)
            {
                bOTAContent.TabItemBookMark.IsSelected = true;
            }
            BookmarkContentViewModel bookmarkContentViewModel = GetBookmarkContentViewModel(bOTAContentViewModel, out BookmarkContent bookmark);

            int index = PDFViewer.CurrentIndex;
            //检测是否已存在相同数据
            CPDFBookmark list = PDFViewer.Document.GetBookmarkList().FirstOrDefault(q => q.PageIndex == index);

            if (bookmarkContentViewModel != null && bookmark != null && bOTAContent != null && list != null)
            {
                bookmarkContentViewModel.DeleteCommand.Execute(list);
                isAddBookMark = bookmarkContentViewModel.isAddBookMark;
            }

            //        bool isBook = IsBOTATabItemShow(out BOTAContentViewModel bOTAContentViewModel, out BOTAContent bOTAContent, "TabItemBookMark");

            //if (isBook == false || viewContentViewModel.OpenBOTA == false)
            //{
            //    viewContentViewModel.OpenBOTA = true;
            //    bOTAContent.TabItemBookMark.IsSelected = true;
            //}
        }

        private void AddBookMark_Click(object sender, RoutedEventArgs e)
        {
            if (viewContentViewModel.OpenBOTA == false)
            {
                viewContentViewModel.OpenBOTA = true;
            }
            bool isBook = IsBOTATabItemShow(out BOTAContentViewModel bOTAContentViewModel, out BOTAContent bOTAContent, "TabItemBookMark");
            if (isBook == false)
            {
                bOTAContent.TabItemBookMark.IsSelected = true;
            }
            BookmarkContentViewModel bookmarkContentViewModel = GetBookmarkContentViewModel(bOTAContentViewModel, out BookmarkContent bookmark);

            if (bookmarkContentViewModel != null && bookmark != null && bOTAContent != null)
            {
                bookmarkContentViewModel.AddBookmarkCommand.Execute(bookmark.BookMarkListView);
                isAddBookMark = bookmarkContentViewModel.isAddBookMark;
                return;
            }
        }

        private BookmarkContentViewModel GetBookmarkContentViewModel(BOTAContentViewModel bOTAContentViewModel, out BookmarkContent bookmark)
        {
            BookmarkContentViewModel viewModel = null;
            bookmark = null;
            if (bOTAContentViewModel != null)
            {
                if (region.Regions.ContainsRegionWithName(bOTAContentViewModel.BOTAContentRegionName))
                {
                    var views = region.Regions[bOTAContentViewModel.BOTAContentRegionName].Views;
                    foreach (var item in views)
                    {
                        if (item is BookmarkContent bookmark1)
                        {
                            bookmark = bookmark1;
                            viewModel = bookmark1.DataContext as BookmarkContentViewModel;
                            break;
                        }
                    }
                }
            }
            return viewModel;
        }

        private OutLineControlViewModel GetOutLineControlViewModel(BOTAContentViewModel bOTAContentViewModel, out OutLineControl outLineControl)
        {
            OutLineControlViewModel viewModel = null;
            outLineControl = null;
            if (bOTAContentViewModel != null)
            {
                if (region.Regions.ContainsRegionWithName(bOTAContentViewModel.BOTAContentRegionName))
                {
                    var views = region.Regions[bOTAContentViewModel.BOTAContentRegionName].Views;
                    foreach (var item in views)
                    {
                        if (item is OutLineControl outLineControl1)
                        {
                            outLineControl = outLineControl1;
                            viewModel = outLineControl1.DataContext as OutLineControlViewModel;
                            break;
                        }
                    }
                }
            }
            return viewModel;
        }

        private void DisplayAnnot_Click(object sender, RoutedEventArgs e)
        {
            PDFViewer.SetDrawAnnot(true);
            isHiddenAnnot = true;
        }

        private void HiddenAnnot_Click(object sender, RoutedEventArgs e)
        {
            PDFViewer.SetDrawAnnot(false);
            isHiddenAnnot = false;
        }

        private void SetAddAnnotation(ItemCollection items)
        {
            foreach (var item in items)
            {
                if (item is MenuItem menuItem)
                {
                    menuItem.CommandParameter = item;
                    menuItem.Command = SetAddAnnotationCommand;
                }
            }
        }

        private void AddLink_Click(object sender, RoutedEventArgs e)
        {
            var args = PDFViewer.ToolManager.CurrentAnnotArgs;
            BtnLinkIsChecked = true;
        }

        #endregion 阅读页右键菜单

        #region Navigation

        public bool IsNavigationTarget(NavigationContext navigationContext)
        {
            return true;
        }

        public void OnNavigatedFrom(NavigationContext navigationContext)
        {
            UnBindingPDFViewerHandler();
            UnBindingEvent();
        }

        public void OnNavigatedTo(NavigationContext navigationContext)
        {
            navigationContext.Parameters.TryGetValue<ViewContentViewModel>(ParameterNames.ViewContentViewModel, out viewContentViewModel);
            navigationContext.Parameters.TryGetValue<CPDFViewer>(ParameterNames.PDFViewer, out PDFViewer);
            BindingPDFViewerHandler();
        }

        #endregion Navigation
    }
}