using DevExpress.XtraBars.Docking2010.Views;
using DevExpress.XtraBars.Docking2010.Views.Tabbed;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using Ips.Library.Basic;
using DevExpress.XtraBars.Docking2010;
using DevExpress.XtraBars.Docking;
using Ips.Library.DxpLib;
using DevExpress.Utils.Extensions;
using DevExpress.XtraEditors;

namespace Ips.Library.DxpLib
{
    public static class FormManager
    {
        static XtraForm _mainWin;
        static DocumentManager _documentManager;
        static TabbedView _tabbedView;
        static DockManager _dockManager;

        public static void Init(XtraForm mainWin, DocumentManager documentManager, TabbedView tabbedView, DockManager dockManager)
        {
            _mainWin = mainWin;
            _documentManager = documentManager;
            _tabbedView = tabbedView;
            _dockManager = dockManager;
            _tabbedView.QueryControl += TabbedView_QueryControl;
        }

        private static void TabbedView_QueryControl(object sender, DevExpress.XtraBars.Docking2010.Views.QueryControlEventArgs e)
        {
            try
            {
                var ctrlType = _mainWin.GetType().Assembly.GetType(e.Document.ControlName);
                if (ctrlType == null)
                {
                    MsgHelper.ShowError($"未找到类型【{e.Document.ControlName}】");
                    return;
                }
                e.Control = Activator.CreateInstance(ctrlType) as Control;
            }
            catch (Exception ex)
            {
                MsgHelper.ShowError($"打开模块【{e.Document.Caption}】出错，错误消息：" + ex.Message);
            }
        }

        public static void ShowDocument<T>(string caption = null, Action<BaseDocument> optionAction = null)
            where T : Control
        {
            string controlName = typeof(T).FullName;
            BaseDocument document = _tabbedView.Documents.FindFirst(d => d.ControlName == controlName);
            if (document == null)
                document = _tabbedView.AddDocument(caption, controlName);
            optionAction?.Invoke(document);
            _tabbedView.Controller.Activate(document);
        }

        public static void ShowDocument(Control control, string caption = null)
        {
            caption = caption ?? control.Text;
            var document = _tabbedView.Documents.FirstOrDefault(m => m.Caption == caption);
            if (document == null)
            {
                document = _tabbedView.AddDocument(control, caption);
            }
            _tabbedView.Controller.Activate(document);
        }

        public static void ShowDockPanel<T>(DockingStyle dockingStyle, string caption = null, int index = -1)
            where T : UserControl
        {
            if (_dockManager == null) return;
            var oldPanel = _dockManager.Panels.FirstOrDefault(m => m.ControlContainer != null
                        && m.ControlContainer.Controls.Count > 0
                        && m.ControlContainer.Controls[0] is T
                        );
            if (oldPanel != null)
            {
                oldPanel.Show();
                return;
            }
            var targetDockPanel = _dockManager.RootPanels.FirstOrDefault(m => m.Dock == dockingStyle);
            DockPanel dockPanel;
            if (targetDockPanel == null)
            {
                dockPanel = _dockManager.AddPanel(dockingStyle);
            }
            else
            {
                dockPanel = _dockManager.AddPanel(DockingStyle.Float);
                dockPanel.DockAsTab(targetDockPanel);
            }
            var ctrl = Activator.CreateInstance<T>();
            dockPanel.Text = caption ?? ctrl.Text;
            ctrl.Dock = DockStyle.Fill;
            if (dockPanel.ParentPanel != null)
            {
                dockPanel.ParentPanel.Tabbed = true;
            }

            dockPanel.ControlContainer.Controls.Add(ctrl);
        }
    }
}