using Laservall.Solidworks.Extension;
using Laservall.Solidworks.Pane;
using Laservall.Solidworks.Server;
using Laservall.Solidworks.Windows;
using Laservall.Solidworks.Windows.ViewModel;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Linq;
using System.Resources;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using Xarial.XCad.Base.Attributes;
using Xarial.XCad.Documents;
using Xarial.XCad.SolidWorks.UI.PropertyPage;
using Xarial.XCad.UI;
using Xarial.XCad.UI.Commands;
using Xarial.XCad.UI.Commands.Attributes;
using Xarial.XCad.UI.PropertyPage.Enums;
using Xarial.XCad.UI.TaskPane;
using Xarial.XCad.UI.TaskPane.Attributes;
using Xarial.XCad.UI.TaskPane.Enums;

namespace Laservall.Solidworks
{
    [Title("Laservall")]
    [Description("Laservall 工具")]
    public enum LaservallCommands_e
    {
        [Title("生成BOM")]
        [Description("生成物料清单")]
        GenerateBOM
    }

    [System.Runtime.InteropServices.ComVisible(true)]
    public class AddinEntry : Xarial.XCad.SolidWorks.SwAddInEx
    { 
        private IXTaskPane<PartPropPaneUserControl> m_TaskPane;

        private static readonly bool UseWpfBomWindow = false;

        private static ItemsPropWindow _bomWindow;
        private static BomHttpServer _bomServer;
        private static StaThreadMarshaller _marshaller;

        public override void OnConnect()
        { 
            AppDomainDllLoader.SetLaoder();
            WPFApplicationExt.InitApplication();

            _marshaller = new StaThreadMarshaller(System.Windows.Application.Current.Dispatcher);

            SWUtils.SwApp = this.Application.Sw;

            this.CommandManager.AddCommandGroup<LaservallCommands_e>().CommandClick += OnCommandClick;

            var cmdTaskPane = this.CreateTaskPane<PartPropPaneUserControl>(new TaskPaneSpec
            {
                Title = "Laservall 自定义属性卡",
                Tooltip = "Laservall 自定义属性卡"
            });
            cmdTaskPane.Control.pane = cmdTaskPane;
            
            m_TaskPane = cmdTaskPane;

            this.Application.Documents.DocumentActivated += OnDocumentActivated;

            if (this.Application.Documents.Active != null)
            {
                SubscribeToSelectionEvents(this.Application.Documents.Active);
            }

            this.CreateTaskPane<FeaturesUserControl>(new TaskPaneSpec
            {
                Title = "Laservall Features",
                Tooltip = "Laservall Features"
            });
        }

        private void OnCommandClick(LaservallCommands_e cmd)
        {
            switch (cmd)
            {
                case LaservallCommands_e.GenerateBOM:
                    if (UseWpfBomWindow)
                        OpenBomWindowWpf();
                    else
                        OpenBomInBrowser();
                    break;
            }
        }

        internal static void OpenBomInBrowser()
        {
            if (_bomServer != null && _bomServer.IsRunning)
            {
                _bomServer.OpenInBrowser();
                return;
            }

            _bomServer?.Dispose();
            _bomServer = new BomHttpServer(new SolidWorksBomDataProvider(_marshaller));
            _bomServer.Start();
            _bomServer.OpenInBrowser();
        }

        internal static void OpenBomWindowWpf()
        {
            if (_bomWindow != null)
            {
                try
                {
                    _bomWindow.Activate();
                    return;
                }
                catch
                {
                    _bomWindow = null;
                }
            }

            _bomWindow = new ItemsPropWindow();
            _bomWindow.DataContext = new ItemsViewModel();
            _bomWindow.Closed += (s, args) => _bomWindow = null;
            _bomWindow.Show();
        }

        private void OnDocumentActivated(IXDocument doc)
        {
            SubscribeToSelectionEvents(doc);
        }

        private void SubscribeToSelectionEvents(IXDocument doc)
        {
            doc.Selections.NewSelection += Selections_NewSelection;
        }

        private void Selections_NewSelection(IXDocument doc, Xarial.XCad.IXSelObject selObject)
        { 
            m_TaskPane.Control.ViewModel.OnSelectionChanged(doc, selObject);
        }

        public override void OnDisconnect()
        {
            _bomServer?.Dispose();
            _bomServer = null;

            base.OnDisconnect();
        }

        private void OnTaskPaneButtonClick(TaskPaneButtonSpec spec)
        {
            
        }
    }
}