using DevExpress.Utils.DragDrop;
using DevExpress.XtraBars.Docking2010;
using DevExpress.XtraEditors;
using DevExpress.XtraTreeList.Nodes;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Threading.Tasks;
using System.Windows.Forms;
using Yw;
using Yw.WinFrmUI;

namespace HStation.WinFrmUI
{
    /// <summary>
    /// 菜单管理界面
    /// </summary>
    public partial class MenuMgrPage : DocumentPage
    {
        public MenuMgrPage()
        {
            InitializeComponent();
            this.treeList1.InitialMultiColSettings(30);
            this.PageTitle.Caption = "菜单管理";
            this.PageTitle.SvgImageSize = new Size(24, 24);
        }

        private List<MenuViewModel> _allBindingList = null;//绑定列表

        private Yw.BLL.ProjectMenu _bll = new Yw.BLL.ProjectMenu();

        /// <summary>
        /// 初始化数据
        /// </summary>
        public override async void InitialDataSource()
        {
            var allList = await new Yw.BLL.ProjectMenu().GetByProjectID(GlobalParas._GlobalParas.ProjectID);
            _allBindingList = new List<MenuViewModel>();
            if (allList != null)
            {
                foreach (var item in allList)
                {
                    var model = new MenuViewModel(item);
                    _allBindingList.Add(model);
                }
            }
            this.menuViewModelBindingSource.DataSource = _allBindingList;
            this.menuViewModelBindingSource.ResetBindings(false);
            //  this.treeList1.ForceInitialize();
           this.treeList1.ExpandAll();
        }

        public override void VerifyAuth()
        {
            this.AuthTree.VerifyAuth(this.ribbonControl1);
        }

        //添加
        private void barBtnAdd_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            if (_allBindingList == null)
                return;
            var row = this.treeList1.GetCurrentViewModel(_allBindingList);
            var dlg = new AddMenuDlg();
            dlg.SetBindingData(row != null ? row.ID : 0);
            dlg.ReloadDataEvent += async (rhs) =>
            {
                var id = await _bll.Insert(rhs);
                if (id > 0)
                {
                    rhs.ID = id;
                    this._allBindingList.Add(new MenuViewModel(rhs));
                    this.menuViewModelBindingSource.ResetBindings(false);
                    //this.treeList1.Refresh();
                    return true;
                }
                return false;
            };
            dlg.ShowDialog();
        }

        //编辑
        private async void barBtnEdit_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            if (_allBindingList == null)
                return;
            var row = this.treeList1.GetCurrentViewModel(_allBindingList);
            if (row == null)
                return;
            var dlg = new EditMenuDlg();
            var model = await _bll.GetByID(row.ID);
            if (model == null)
                return;
            dlg.SetBindingData(model);
            dlg.ReloadDataEvent += async (rhs) =>
            {
                if (await _bll.Update(rhs))
                {
                    row.Reset(rhs);
                    this.treeList1.RefreshNode(this.treeList1.FocusedNode);
                    return true;
                }
                return false;
            };

            dlg.ShowDialog();
        }

        //显示详细信息
        private void barBtnInfo_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            if (_allBindingList == null)
                return;
            var row = this.treeList1.GetCurrentViewModel(_allBindingList);
            if (row == null)
                return;
            var dlg = new ViewMenuDlg();
            dlg.SetBindingData(row);
            dlg.ShowDialog();
        }

        //删除
        private async void barBtnDelete_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            if (_allBindingList == null)
                return;
            var row = this.treeList1.GetCurrentViewModel(_allBindingList);
            if (row == null)
                return;
            if (XtraMessageBox.Show($"确认删除数据行?", "提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Exclamation) != DialogResult.OK)
                return;

            if (!await new Yw.BLL.ProjectMenu().DeleteByID(row.ID))
            {
                XtraMessageBox.Show($"删除失败!", "警告", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            _allBindingList.Remove(row);
            this.menuViewModelBindingSource.ResetBindings(false);
            //this.treeList1.RefreshDataSource();
            XtraMessageBox.Show($"删除成功!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
        }

        //设置菜单功能点
        private void SetFuncList()
        {
            /*  if (_allBindingList == null)
                  return;
              var row = this.treeList1.GetCurrentViewModel(_allBindingList);
              if (row == null)
                  return;
              var page = new FuncMgrPage();
              page.SetBindingData(row);
              page.AuthTree = this.AuthTree?.Children?.Find(x => x.Code == "func");
              this.ToNextPage(page);*/
        }

        private async void dragDropEvents1_DragDrop(object sender, DevExpress.Utils.DragDrop.DragDropEventArgs e)
        {
            var nodes = e.Data as List<TreeListNode>;
            if (nodes == null || nodes.Count < 1)
            {
                e.Handled = true;
                return;
            }
            var sourceNode = nodes[0];
            var sourceNodeObj = this.treeList1.GetDataRecordByNode(sourceNode) as MenuViewModel;
            if (sourceNodeObj == null)
            {
                e.Handled = true;
                return;
            }
            var destNode = this.treeList1.GetNodeByCP(e.Location);
            if (destNode == null)
            {
                e.Handled = true;
                return;
            }
            var destNodeObj = this.treeList1.GetDataRecordByNode(destNode) as MenuViewModel;
            if (destNode == null)
            {
                e.Handled = true;
                return;
            }

            long id = sourceNodeObj.ID;
            long parentId = 0;
            int sortCode = 0;

            var sorters = new List<Yw.Vmo.Sorter>();

            if (e.InsertType == InsertType.Before)
            {
                parentId = destNodeObj.ParentID;
                sortCode = destNodeObj.SortCode;
                _allBindingList.ForEach(x =>
                {
                    if (x.ParentID == destNodeObj.ParentID)
                    {
                        if (x.SortCode >= destNodeObj.SortCode)
                        {
                            if (x != sourceNodeObj)
                            {
                                sorters.Add(new Yw.Vmo.Sorter() { ID = x.ID, SortCode = x.SortCode + 1 });
                            }
                        }
                    }
                });
            }
            else if (e.InsertType == InsertType.After)
            {
                parentId = destNodeObj.ParentID;
                sortCode = destNodeObj.SortCode + 1;
                _allBindingList.ForEach(x =>
                {
                    if (x.ParentID == destNodeObj.ParentID)
                    {
                        if (x.SortCode > destNodeObj.SortCode)
                        {
                            if (x != sourceNodeObj)
                            {
                                sorters.Add(new Yw.Vmo.Sorter() { ID = x.ID, SortCode = x.SortCode + 1 });
                            }
                        }
                    }
                });
            }
            else if (e.InsertType == InsertType.AsChild)
            {
                parentId = destNodeObj.ID;
                var allChildList = _allBindingList.Where(x => x.ParentID == destNodeObj.ParentID).ToList();
                sortCode = allChildList.Count < 1 ? 1 : allChildList.Max(x => x.SortCode) + 1;
            }
            else
            {
                e.Handled = true;
                return;
            }

            var bll = BLLFactory<Yw.BLL.ProjectMenu>.Instance;
            var bol = await bll.UpdateTreeSortCode(id, parentId, sortCode);
            if (!bol)
            {
                e.Handled = true;
                return;
            }
            if (sorters != null && sorters.Count > 0)
            {
                bol = await bll.UpdateSorter(sorters);
                if (!bol)
                {
                    e.Handled = true;
                    return;
                }
            }

            _allBindingList.ForEach(x =>
            {
                if (x.ID == id)
                {
                    x.ParentID = parentId;
                    x.SortCode = sortCode;
                }
                if (sorters.Count > 0)
                {
                    var sorter = sorters.Find(t => t.ID == x.ID);
                    if (sorter != null)
                    {
                        x.SortCode = sorter.SortCode;
                    }
                }
            });
        }

        //设置拖拽可用性
        private void SetDragEnable(bool allowArag)
        {
            var be = this.behaviorManager1.GetBehavior<DevExpress.Utils.DragDrop.DragDropBehavior>(this.treeList1);
            be.Properties.AllowDrag = allowArag;
        }

        private void barBtnSearch_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            this.treeList1.OptionsFind.AlwaysVisible = !this.treeList1.OptionsFind.AlwaysVisible;
        }

        private void barBtnRefresh_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            this.InitialDataSource();
        }

        private void barCkDrag_CheckedChanged_1(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            SetDragEnable(this.barCkDrag.Checked);
        }
    }
}