using ComPDFKit.PDFDocument;
using compdfkit_tools.Annotation.PDFAnnotationControl;
using compdfkit_tools.Data;
using compdfkit_tools.PDFControl;
using ComPDFKitViewer;
using ComPDFKitViewer.PdfViewer;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Controls.Primitives;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace annotation_ctrl_demo
{
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : Window
    {
        private CPDFViewer pdfViewer = new CPDFViewer();
        CPDFAnnotationControl pdfAnnotationControl = null;

        public MainWindow()
        {
            InitializeComponent();
            TitleBarControl.Loaded += TitleBarControl_Loaded;
            AnnotationBarControl.Loaded += AnnotationBarControl_Loaded;
            ModeSelectorBarControl.ShowBOTAEvent += ModeSelectorBarControl_ShowBOTAEvent;
        }

        private void AnnotationBarControl_Loaded(object sender, RoutedEventArgs e)
        {
            AnnotationType[] annotationProperties = { AnnotationType.Highlight, AnnotationType.Underline, AnnotationType.Strikeout, AnnotationType.Squiggly, AnnotationType.Freetext, AnnotationType.Note, AnnotationType.Circle, AnnotationType.Square, AnnotationType.Arrow, AnnotationType.Line, AnnotationType.Stamp, AnnotationType.Signature, AnnotationType.Link, AnnotationType.Sound };
            AnnotationBarControl.InitAnnotationBar(annotationProperties);
            AnnotationBarControl.AnnotationPropertyChanged += AnnotationBarControl_AnnotationPropertyChanged;
            AnnotationBarControl.AnnotationCancel += AnnotationBarControl_AnnotationCancel;
        }

        private void AnnotationBarControl_AnnotationCancel(object sender, EventArgs e)
        {
            pdfAnnotationControl.AnnotationCancel();
            ExpandPropertyPanel((sender as ToggleButton).IsChecked == true);
        }

        /// <summary>
        /// 注释菜单选项变换时
        /// 1、注释属性面板变换,注册属性变换的监听
        /// 2、PDFViewerControl属性设置变换
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void AnnotationBarControl_AnnotationPropertyChanged(object sender, AnnotationType e)
        {
            UIElement propertyPanel = GetPropertyPanel();
            pdfAnnotationControl = new CPDFAnnotationControl();
            pdfAnnotationControl.InitWithPDFViewer(pdfViewer);
            pdfAnnotationControl.LoadAnnotationPanel(e);
            SetPropertyPanel(pdfAnnotationControl);
            ExpandPropertyPanel((sender as ToggleButton).IsChecked == true);
        }

        private void ModeSelectorBarControl_ShowBOTAEvent(object sender, EventArgs e)
        {
            UIElement botaTool = GetBotaTool();
            if (botaTool == null)
            {
                CPDFBOTABarControl pdfBOTABarControl = new CPDFBOTABarControl(BOTATools.Outline | BOTATools.Thumbnail | BOTATools.Annotation | BOTATools.Search | BOTATools.Bookmark);
                if (pdfViewer != null && pdfViewer.Document != null)
                {
                    pdfBOTABarControl.InitWithPDFViewer(pdfViewer);
                }
                SetBotaTool(pdfBOTABarControl);
            }
            ExpandTool(ModeSelectorBarControl.BOTABarIsShowing == true);
        }

        /// <summary>
        /// 加载文档
        /// </summary>
        private void LoadDocument()
        {
            pdfViewer.Load();
            PDFGrid.Child = pdfViewer;
            UIElement currentBotaTool = GetBotaTool();
            if (currentBotaTool is CPDFBOTABarControl)
            {
                ((CPDFBOTABarControl)currentBotaTool).InitWithPDFViewer(pdfViewer);
            }
        }

        private void TitleBarControl_OpenFileEvent(object sender, string filePath)
        {
            pdfViewer?.CloseDocument();
            pdfViewer?.InitDocument(filePath);
            LoadDocument();
        }

        private void TitleBarControl_Loaded(object sender, RoutedEventArgs e)
        {
            TitleBarControl.OpenFileEvent += TitleBarControl_OpenFileEvent;
        }

        private UIElement GetPropertyPanel()
        {
            return PropertyPanelContainer.Child;
        }

        private UIElement GetBotaTool()
        {
            return BotaToolContainer.Child;
        }

        private void SetPropertyPanel(UIElement propertyPanel)
        {
            PropertyPanelContainer.Child = propertyPanel;
        }

        private void SetBotaTool(UIElement newChild)
        {
            BotaToolContainer.Child = newChild;
        }

        /// <summary>
        /// 展开Property工具
        /// </summary>
        /// <param name="isExpand"></param>
        private void ExpandPropertyPanel(bool isExpand)
        {
            if (isExpand)
            {
                BodyGrid.ColumnDefinitions[4].Width = new GridLength(300);
            }
            else
            {
                BodyGrid.ColumnDefinitions[4].Width = new GridLength(0);
            }
            PropertyPanelContainer.Visibility = isExpand ? Visibility.Visible : Visibility.Collapsed;
            PropertyPanelSplitter.Visibility = isExpand ? Visibility.Visible : Visibility.Collapsed;
        }

        /// <summary>
        /// 展开Bota工具
        /// </summary>
        /// <param name="isExpand"></param>
        private void ExpandTool(bool isExpand)
        {
            if (isExpand)
            {
                BodyGrid.ColumnDefinitions[0].Width = new GridLength(300);
            }
            else
            {
                BodyGrid.ColumnDefinitions[0].Width = new GridLength(0);
            }
            BotaToolContainer.Visibility = isExpand ? Visibility.Visible : Visibility.Collapsed;
            BotaSplitter.Visibility = isExpand ? Visibility.Visible : Visibility.Collapsed;
        }
    }
}