using Autodesk.Revit.UI;
using HStation.RevitDev.Model.ModelEnum;
using HStation.RevitDev.RevitDataExport.Common;
using HStation.RevitDev.RevitDataExport.Utility;
using System;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Windows.Forms;

namespace HStation.RevitDev.RevitDataExport.Forms
{
    public partial class Form_FamilyManager : System.Windows.Forms.Form
    {
        ExternalCommandData _data;

        public Form_FamilyManager(ExternalCommandData data)
        {
            _data = data;
            InitializeComponent();
            InitializeControls();
        }

        private void InitializeControls()
        {
            InitTreeView();
            InitFamilyPanel();
        }

        private void InitFamilyPanel()
        {
            
        }

        private void InitTreeView()
        {
            var values = Enum.GetValues(typeof(RevitType));
            foreach (var value in values)
            {
                var revitType = (RevitType)value;
                if (revitType.IsRequired())
                {
                    TreeNode node = new TreeNode(revitType.GetDescription());
                    node.Tag = revitType;
                    this.treeView_categorys.Nodes.Add(node);
                }
            }
            this.treeView_categorys.NodeMouseClick += TreeView_categorys_NodeMouseClick;
        }

        private void TreeView_categorys_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e)
        {
            var node = e.Node;
            if (node == null) { return; }

            var revitType = (RevitType)node.Tag;
            if (!revitType.IsRequired()) { return; }
            var dscribe = revitType.GetDescription();
            var dir = Path.Combine(GlobalResource.FamilysDirectory, dscribe);
            if (!Directory.Exists(dir)) 
            {
                TaskDialog.Show("错误", $"未找到{dscribe}目录");
                return;
            }
            string[] filePaths = Directory.GetFiles(dir, "*.rfa", SearchOption.TopDirectoryOnly);
            this.flowLayoutPanel_familys.Controls.Clear();
            var addBtn = CreateAddButton(revitType);
            flowLayoutPanel_familys.Controls.Add(addBtn);
            foreach (string rfaPath in filePaths)
            {
                if (RevitUtil.IsBackUpFile(rfaPath))
                {
                    continue;
                }
                Bitmap bitmap = GetRfaThumbnail(dir, rfaPath);
                Button button = CreateButton(bitmap, rfaPath, revitType);
                flowLayoutPanel_familys.Controls.Add(button);
            }
        }

        private Button CreateAddButton(RevitType type)
        {
            var pngPath = Path.Combine(GlobalResource.ImageDirectory, "添加.png");
            var bitmap = Bitmap.FromFile(pngPath) as Bitmap;
            Button btn = new Button();
            btn.Height = GlobalResource.ThumbnailSize;
            btn.Tag = type;
            btn.Width = GlobalResource.ThumbnailSize;
            ToolTip toolTip = new ToolTip();
            toolTip.SetToolTip(btn, "添加族文件");
            btn.BackgroundImage = bitmap;
            btn.BackgroundImageLayout = ImageLayout.Stretch;
            btn.Click += Btn_Click;
            return btn;
        }

        private void Btn_Click(object sender, EventArgs e)
        {
            try
            {
                Button button = sender as Button;
                var openFileDialog = new OpenFileDialog();
                openFileDialog.FileName = "选择族文件";
                openFileDialog.Filter = "族文件(*.rfa)|*.rfa";
                openFileDialog.Title = "选择族文件";
                openFileDialog.Multiselect = true;
                if (openFileDialog.ShowDialog() != DialogResult.OK)
                {
                    return;
                }

                var selectPaths = openFileDialog.FileNames;

                var revitType = (RevitType)button.Tag;
                var dscribe = revitType.GetDescription();
                var dir = Path.Combine(GlobalResource.FamilysDirectory, dscribe);
                var validFiles = RevitUtil.ValidateFileVersion(selectPaths).ToList();
                for (int i = 0; i < validFiles.Count(); i++)
                {
                    string path = validFiles[i];
                    CopyToImageDirectory(ref path, revitType);
                    Bitmap bitmap = GetRfaThumbnail(dir, path);
                    Button btn = CreateButton(bitmap, path, revitType);
                    flowLayoutPanel_familys.Controls.Add(btn);
                }
            }
            catch (Exception ex)
            {
                TaskDialog.Show("错误", $"{ex.Message}");
            }
            TaskDialog.Show("提示", "添加成功！");
        }

        private void CopyToImageDirectory(ref string path, RevitType revitType)
        {
            var fileName = Path.GetFileName(path);
            var newPath = Path.Combine(GlobalResource.FamilysDirectory + $@"/{revitType.GetDescription()}", fileName);
            try
            {
                if (path != newPath)
                {

                    File.Copy(path, newPath, true);
                    path = newPath;
                }
            }
            catch (Exception ex)
            {
                TaskDialog.Show(path, $"文件复制失败，{ex.Message}");
            }
        }

        private Button CreateButton(Bitmap bitmap, string rfaPath, RevitType revitType)
        {
            string fileName = Path.GetFileName(rfaPath);
            ContextMenu menu = CreateContextMenu();
            
            Button btn = new Button();
            btn.ContextMenu = menu;
            btn.Tag = revitType;
            menu.Tag = btn;
            btn.Text = fileName;
            btn.TextAlign = ContentAlignment.BottomCenter;
            ToolTip toolTip = new ToolTip();
            toolTip.SetToolTip(btn, fileName);
            btn.Height = GlobalResource.ThumbnailSize;
            btn.Width = GlobalResource.ThumbnailSize;
            btn.BackgroundImage = bitmap;
            btn.BackgroundImageLayout = ImageLayout.Stretch;
            btn.Click += Box_Click;
            return btn;
        }

        private ContextMenu CreateContextMenu()
        {
            ContextMenu menu = new ContextMenu();
            MenuItem item = new MenuItem();
            item.Text = "删除";
            item.Click += ItemRightBtnClick;
            menu.MenuItems.Add(item);
            return menu;
        }

        private void ItemRightBtnClick(object sender, EventArgs e)
        {
            try
            {
                var item = sender as MenuItem;
                Button btn = (Button)item.Parent.Tag;
                RevitType revitType = (RevitType)btn.Tag;
                var path = Path.Combine(
                    GlobalResource.FamilysDirectory,
                    revitType.GetDescription(),
                    Path.GetFileName(btn.Text));
                this.flowLayoutPanel_familys.Controls.Remove(btn);
                File.SetAttributes(path, FileAttributes.Normal);
                File.Delete(path);
            }
            catch (Exception ex)
            {
                TaskDialog.Show("错误", ex.Message);
            }
        }

        private void Box_Click(object sender, EventArgs e)
        {
            TaskDialog.Show("提示", "点击了图标");
        }

        private static Bitmap GetRfaThumbnail(string dir, string rfaPath)
        {
            Bitmap bitmap = null;
            var pngName = Path.GetFileNameWithoutExtension(rfaPath);
            var pngPath = Path.Combine(dir, pngName + ".png");

            if (!File.Exists(pngPath))
            {
                bitmap = ThumbnailUtils.GetThumbnailWithoutRevit(rfaPath);
            }
            else
            {
                bitmap = Bitmap.FromFile(pngPath) as Bitmap;
            }
            return bitmap;
        }
    }
}