using Autodesk.Revit.DB;
using Autodesk.Revit.UI;
using HStation.RevitDev.Model.ModelEnum;
using HStation.RevitDev.RevitDataExport.Common;
using HStation.RevitDev.RevitDataExport.Entity;
using HStation.RevitDev.RevitDataExport.Service;
using HStation.RevitDev.RevitDataExport.Utility;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using DataGrid = System.Windows.Controls.DataGrid;

namespace HStation.RevitDev.RevitDataExport.Forms
{
    /// <summary>
    /// WPF_FamilyPanel.xaml 的交互逻辑
    /// </summary>
    public partial class Wpf_InstancePanel : UserControl, IDockablePaneProvider
    {
        public Wpf_InstancePanel()
        {
            InitializeComponent();
            InitializeControls();
        }

        private void InitializeControls()
        {
            var values = Enum.GetValues(typeof(RevitType));
            this.tabControl.Items.Clear();
            foreach (var value in values)
            {
                var revitType = (RevitType)value;
                if (revitType.IsRequired())
                {
                    TabItem tabItem = CreateTabItem(revitType);
                    this.tabControl.Items.Add(tabItem);
                }
            }
        }

        private TabItem CreateTabItem(RevitType revitType)
        {
            var tabItem = new TabItem();
            tabItem.Tag = revitType;
            tabItem.Height = 30;
            tabItem.Header = revitType.GetDescription();
            DataGrid dataGrid = CreateDataGrid(revitType);
            tabItem.Content = dataGrid;
            return tabItem;
        }

        private DataGrid CreateDataGrid(RevitType revitType)
        {
            var dataGrid = new DataGrid();
            dataGrid.IsReadOnly = true;
            dataGrid.LoadingRow += DataGrid_LoadingRow;
            dataGrid.SelectionUnit = DataGridSelectionUnit.Cell;
            dataGrid.MouseDoubleClick += DataGrid_MouseDoubleClick;
            dataGrid.CanUserAddRows = false;
            CreateRows(dataGrid, revitType);
            return dataGrid;
        }

        private static void DataGrid_LoadingRow(object sender, DataGridRowEventArgs e)
        {
            e.Row.Header = e.Row.GetIndex() + 1;
        }

        private void DataGrid_MouseDoubleClick(object sender, System.Windows.Input.MouseButtonEventArgs e)
        {
            try
            {
                DataGrid dataGrid = sender as DataGrid;
                var selectItem = dataGrid.SelectedCells;
                var selectCell = selectItem[0];
                var columnIndex = selectCell.Column.DisplayIndex;
                if (columnIndex == 0)
                {
                    ShowElement(selectCell);
                }
                else if (columnIndex == 2)
                {
                    ShowLinkedElements(selectCell);
                }
            }
            catch (Exception ex)
            {
                TaskDialog.Show("错误", ex.Message);
            }
        }

        private void ShowLinkedElements(DataGridCellInfo selectCell)
        {
            string ids = (selectCell.Item as ElementModel).LinkIds;
            if (string.IsNullOrEmpty(ids))
            {
                return;
            }
            var idArray = ids.Split(',');
            var idList = idArray.Select(x => new ElementId(int.Parse(x)))?.ToList();
            GlobalResource.CurrentUIDocument.Selection.SetElementIds(idList);
            GlobalResource.CurrentUIDocument.ShowElements(idList);
        }

        private void ShowElement(DataGridCellInfo selectCell)
        {
            string id = (selectCell.Item as ElementModel).Id;
            if (string.IsNullOrEmpty(id))
            {
                return;
            }
            var elemId = new ElementId(int.Parse(id));
            GlobalResource.CurrentUIDocument.Selection.SetElementIds(
                new List<ElementId> { elemId });
            GlobalResource.CurrentUIDocument.ShowElements(elemId);
        }

        private void DataGrid_PreviewMouseLeftButtonDown(object sender, System.Windows.Input.MouseButtonEventArgs e)
        {
            try
            {
                DataGrid dataGrid = sender as DataGrid;
                var selectCells = dataGrid.SelectedCells;

                string ids = (selectCells[0].Item as ElementModel).LinkIds;
                var idArray = ids.Split(',');
                var idList = idArray.Select(x => new ElementId(int.Parse(x)))?.ToList();
                GlobalResource.CurrentUIDocument.Selection.SetElementIds(idList);

            }
            catch (Exception ex)
            {
                TaskDialog.Show("错误", ex.Message);
            }
        }

        private void CreateRows(DataGrid dataGrid, RevitType revitType)
        {
            var models = RevitMepElementService.GetElementModels(revitType);
            dataGrid.ItemsSource = models;
        }

        public void SetupDockablePane(DockablePaneProviderData data)
        {
            data.FrameworkElement = this;
            DockablePaneState state = new DockablePaneState();
            state.DockPosition = DockPosition.Bottom;
            state.MinimumWidth = GlobalResource.ThumbnailSize;
            state.MinimumHeight = GlobalResource.ThumbnailSize;
            data.InitialState = state;
        }

        private void reflesh_Click(object sender, RoutedEventArgs e)
        {
            DocumentUtil.AddUnhandledElements();
            UpdateForm();
        }

        public void UpdateForm()
        {
            InitializeControls();
        }
    }
}