/* ==============================================================================
 * 功能描述：RevitRibbon生成操作
 * 创 建 者：Garrett
 * 创建日期：2018/9/17 18:01:44
 * ==============================================================================*/
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Media.Imaging;
using Autodesk.Revit.UI;
using Autodesk.Windows;
using SAGA.RevitUtils;
using RibbonItem = Autodesk.Revit.UI.RibbonItem;
using RibbonPanel = Autodesk.Revit.UI.RibbonPanel;

namespace SAGA.RevitMenu.Configuration
{
    /// <summary>
    /// RevitRibbonOperate
    /// </summary>
    class RevitRibbonOperate
    {
        /// <summary>
        /// 创建菜单 
        /// </summary>
        /// <param name="app"></param>
        /// <param name="configTabs"></param>
        /// <returns></returns>
        public static bool ApplyConfigTabs(UIControlledApplication app, TszTabData[] configTabs)
        {
            int index = 0;

            if (!AddSignToTab(configTabs))
                return false;
            for (int j = 0; j < configTabs.Length; j++)
            {
                if (j == 18)
                {
                    //经测试，最多为20个，为保险暂保留15个。
                    MessageShow.Infomation("菜单Tab页签项过多，只加载了18个Tab页签。");
                    break;
                }

                #region 创建RibbonTab 前后加【】

                TszTabData tabData = configTabs[j];
                //没有可用button不创建
                if (!tabData.HasVisibleItem())
                    continue;
                List<RibbonPanel> listRibPanel;
                try
                {//获取自定义Tab下的Panel，如果Tab不存在，抛出异常
                    listRibPanel = app.GetRibbonPanels(tabData.TabName);
                }
                catch (Exception e)
                {
                    app.CreateRibbonTab(tabData.TabName);
                    listRibPanel = new List<RibbonPanel>();
                }

                #endregion


                foreach (TszPanelData panelData in tabData.Panels)
                {
                    #region 创建RibbonPanel

                    bool blnExist = panelData.ValidateData();
                    if (!blnExist||!panelData.HasVisibleItem())
                    {
                        continue;
                    }

                    var rvtRibbonPanel = listRibPanel.Find(p => p.Name == panelData.PanelName);

                    List<RibbonItem> listPanelItem = new List<RibbonItem>();
                    if (rvtRibbonPanel == null)
                    {
                        rvtRibbonPanel = app.CreateRibbonPanel(tabData.TabName, panelData.PanelName);
                        rvtRibbonPanel.Visible = panelData.Visible;
                    }
                    else
                    {
                        listPanelItem = rvtRibbonPanel.GetItems().ToList();
                    }

                    #endregion
                    //分割符数据
                    RibbonItem separatorBeforeVisibleItem = null;//分割符之前的可见Button
                    bool separatorStandBy = false;//准备放置分割符
                    Action<RibbonItem, bool> setRibbonItemVisibleAction = (t, b) =>
                    {
                        t.Visible = b;
                        if (b)
                            separatorBeforeVisibleItem = t;
                    };

                    PulldownButton pulldownButton = null;
                    List<Tuple<ButtonData, bool>> stackButtonDatas = new List<Tuple<ButtonData, bool>>();
                    IList<RibbonItem> ribbonItems = null;
                    for (int i = 0; i < panelData.Buttons.Count; i++)
                    {
                        bool isLast = false;

                        #region 按钮

                        TszButtonData tszbuttonData = panelData.Buttons[i];
                        tszbuttonData.ButtonText = tszbuttonData.ButtonText?.Replace(" ", Environment.NewLine);

                        //不加载名为NEWTEXTBUTTON的按钮（该按钮在Panel为空时仅为找TabName用，自行在XML中添加） wxy 2017-4-18
                        if (tszbuttonData.ButtonText == "NEWTEXTBUTTON")
                            continue;
                        //RibbonPalel中不允许同名Button
                        if (listPanelItem.Exists(p => p.Name == tszbuttonData.ButtonName))
                        {
                            continue;
                        }

                        PushButtonData pushbuttonData = null;
                        PushButton pushButton = null;
                        //加载Stack排列类型的命令
                        #region 添加Stack Button
                        PlaceStackStart:
                        if (stackButtonDatas.Count > 0 && tszbuttonData.Styles != ButtonStyles.Stacked || isLast)
                        {
                            if (stackButtonDatas.Count >= 3)
                            {
                                ribbonItems = rvtRibbonPanel.AddStackedItems(stackButtonDatas[0].Item1, stackButtonDatas[1].Item1, stackButtonDatas[2].Item1);
                                SetStackItemsVisible(ribbonItems, stackButtonDatas);
                                stackButtonDatas.RemoveRange(0, 3);
                                goto PlaceStackStart;
                            }
                            if (stackButtonDatas.Count == 2)
                            {
                                ribbonItems = rvtRibbonPanel.AddStackedItems(stackButtonDatas[0].Item1, stackButtonDatas[1].Item1);
                                SetStackItemsVisible(ribbonItems, stackButtonDatas);
                            }
                            else if (stackButtonDatas.Count == 1)
                            {
                                pushButton = rvtRibbonPanel.AddItem(stackButtonDatas[0].Item1) as PushButton;
                                setRibbonItemVisibleAction(pushButton, stackButtonDatas[0].Item2);
                            }
                            stackButtonDatas.Clear();
                            if (isLast)
                                continue;
                        }
                        #endregion
                        //创建分割符。分割符创建条件，1，分割符之前有可见Button,2，在分割符之后的下一个可见Button之前创建分割符
                        if (separatorStandBy && tszbuttonData.Visible)
                        {
                            rvtRibbonPanel.AddSeparator();
                            separatorBeforeVisibleItem = null;
                            separatorStandBy = false;
                        }

                        //创建pullButton
                        if (tszbuttonData.Styles != ButtonStyles.Separator)
                        {
                            pushbuttonData = new PushButtonData(tszbuttonData.ButtonName, tszbuttonData.ButtonText,
                                tszbuttonData.AssemblyName, tszbuttonData.ClassName);
                            if (!string.IsNullOrEmpty(tszbuttonData.ImageName))
                            {
                                var stringImagePath = tszbuttonData.ImageName + "16.png";
                                var stringLargeImagePath = tszbuttonData.ImageName + ".png";
                                if (File.Exists(stringImagePath))
                                {
                                    pushbuttonData.Image = new BitmapImage(new Uri(stringImagePath));
                                }

                                if (File.Exists(stringLargeImagePath))
                                {
                                    pushbuttonData.LargeImage = new BitmapImage(new Uri(stringLargeImagePath));
                                }
                             
                             
                            }
                            pushbuttonData.ToolTip = tszbuttonData.ToolTip;
                            pushbuttonData.LongDescription = tszbuttonData.LongDescription;
                            pushbuttonData.AvailabilityClassName = tszbuttonData.ClassName;
                        }
                        //加载图标并且将Button添加到菜单
                        switch (tszbuttonData.Styles)
                        {
                            case ButtonStyles.Separator:
                                if (separatorBeforeVisibleItem != null)
                                    separatorStandBy = true;
                                //rvtRibbonPanel.AddSeparator();
                                break;
                            case ButtonStyles.Large:
                                pushButton = rvtRibbonPanel.AddItem(pushbuttonData) as PushButton;
                                setRibbonItemVisibleAction(pushButton, tszbuttonData.Visible);
                                break;
                            case ButtonStyles.Pushdown:
                                if (pulldownButton == null || pulldownButton.Visible == false)
                                {
                                    SplitButtonData spliteButtonData = new SplitButtonData("push" + panelData.PanelName + i, panelData.PanelName);
                                    spliteButtonData.Text = pushbuttonData.Text;
                                    spliteButtonData.LargeImage = pushbuttonData.LargeImage;
                                    spliteButtonData.ToolTip = tszbuttonData.ToolTip;
                                    spliteButtonData.LongDescription = tszbuttonData.LongDescription;

                                    pulldownButton = rvtRibbonPanel.AddItem(spliteButtonData) as PulldownButton;
                                    pulldownButton.Visible = tszbuttonData.Visible;
                                    setRibbonItemVisibleAction(pulldownButton, tszbuttonData.Visible);
                                }
                                pushButton = pulldownButton?.AddPushButton(pushbuttonData);
                                setRibbonItemVisibleAction(pushButton, tszbuttonData.Visible);
                                break;
                            case ButtonStyles.Stacked:
                            case ButtonStyles.StackedBox:
                                stackButtonDatas.Add(new Tuple<ButtonData, bool>(pushbuttonData, tszbuttonData.Visible));
                                break;
                        }
                        //最后一项，并且是Stacked ，跳转到添加Stacked 
                        isLast = panelData.Buttons.Count - 1 == i;
                        if (isLast&&stackButtonDatas.Count>0)
                            goto PlaceStackStart;

                        #endregion
                    }

                }

                ////调整选项卡到最前
                RibbonTab tab = ComponentManager.Ribbon.Tabs.FirstOrDefault(t => t.Name == tabData.TabName);
                if (tab != null)
                {
                    ComponentManager.Ribbon.Tabs.Remove(tab);
                    ComponentManager.Ribbon.Tabs.Insert(index, tab);
                    index++;
                }
            }
            return true;
        }
        /// <summary>
        /// Tab前后加【】
        /// </summary>
        /// <param name="configTabs"></param>
        /// <returns></returns>
        private static bool AddSignToTab(TszTabData[] configTabs)
        {
            var firstVisibleTabItem = configTabs.FirstOrDefault(t => t.HasVisibleItem());
            //如果都不可见，直接返回，不创建了
            if (firstVisibleTabItem == null) return false;
            firstVisibleTabItem.TabName = "【"+ firstVisibleTabItem.TabName;
            var lastVisibleTabItem = configTabs.LastOrDefault(t => t.HasVisibleItem());
            if (lastVisibleTabItem == null) return false;
            lastVisibleTabItem.TabName += "】";
            return true;
        }
        /// <summary>
        /// 设置StackButton的可见性
        /// </summary>
        /// <param name="ribbonItems"></param>
        /// <param name="stackButtonDatas"></param>
        private static void SetStackItemsVisible(IList<RibbonItem> ribbonItems, List<Tuple<ButtonData, bool>> stackButtonDatas)
        {
            int i = 0;
            foreach (RibbonItem ribbonItem in ribbonItems)
            {
                var tuple = stackButtonDatas[i];
                ribbonItem.Visible = tuple.Item2;
                i++;
            }
        }
    }
}