using DevExpress.Utils;
using DevExpress.Utils.DragDrop;
using DevExpress.XtraEditors;
using DevExpress.XtraTreeList;
using DevExpress.XtraTreeList.Nodes;
using HStation.Vmo;
using Yw;

namespace HStation.WinFrmUI
{
    public partial class AssetsCompressorSeriesMgrTreeCtrl : DevExpress.XtraEditors.XtraUserControl
    {
        /// <summary>
        ///
        /// </summary>
        public AssetsCompressorSeriesMgrTreeCtrl()
        {
            InitializeComponent();
            this.treeList1.InitialDefaultSettings();
            this.layoutControl1.SetupLayoutControl();
            this.barBtnAdd.ItemClick += BarBtnAdd_ItemClick;
            this.barBtnEdit.ItemClick += BarBtnEdit_ItemClick;
            this.barBtnDelete.ItemClick += BarBtnDelete_ItemClick;
            this.barBtnInfo.ItemClick += BarBtnInfo_ItemClick;
        }

        /// <summary>
        /// 聚焦改变事件
        /// </summary>
        public event Action<AssetsCompressorSeriesVmo> FocusedChangedEvent;

        /// <summary>
        /// 所有绑定列表
        /// </summary>
        private List<AssetsCompressorSeriesMgrViewModel> _allBindingList = null;

        /// <summary>
        /// 初始化数据
        /// </summary>
        public async void InitialData()
        {
            var overlay = this.ShowOverlay();
            var allList = await BLLFactory<HStation.BLL.AssetsCompressorSeries>.Instance.GetAll();
            _allBindingList = new List<AssetsCompressorSeriesMgrViewModel>();
            allList?.ForEach(x =>
            {
                var vm = new AssetsCompressorSeriesMgrViewModel(x);
                _allBindingList.Add(vm);
            });
            this.treeList1.DataSource = _allBindingList;
            this.treeList1.ForceInitialize();
            this.treeList1.ExpandAll();
            overlay.Close();
            SetDragEnable(this.barCkDrag.Checked);
        }

        //全部展开
        private void barBtnExpandAll_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            this.treeList1.ExpandAll();
        }

        //全部折叠
        private void barBtnCollpseAll_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            this.treeList1.CollapseAll();
        }

        //检索（menu）
        private void barBtnSearch_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            if (this.layoutControlItem1.Visibility == DevExpress.XtraLayout.Utils.LayoutVisibility.Always)
                this.layoutControlItem1.Visibility = DevExpress.XtraLayout.Utils.LayoutVisibility.Never;
            else
                this.layoutControlItem1.Visibility = DevExpress.XtraLayout.Utils.LayoutVisibility.Always;
        }

        //树线
        private void barCkTreeLine_CheckedChanged(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            this.treeList1.OptionsView.ShowTreeLines = this.barCkTreeLine.Checked ? DefaultBoolean.True : DefaultBoolean.False;
        }

        //聚焦节点改变
        private void treeList1_FocusedNodeChanged(object sender, DevExpress.XtraTreeList.FocusedNodeChangedEventArgs e)
        {
            var vm = this.treeList1.GetDataRecordByNode(e.Node) as AssetsCompressorSeriesMgrViewModel;
            if (vm != null)
            {
                this.FocusedChangedEvent?.Invoke(vm.Vmo);
            }
        }

        //刷新
        private void barBtnRefresh_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            InitialData();
        }

        //右键菜单
        private void treeList1_MouseClick(object sender, MouseEventArgs e)
        {
            if (e.Button != MouseButtons.Right)
            {
                return;
            }
            _calcHitInfo = this.treeList1.CalcHitInfo(e.Location);
            this.popupMenu1.ShowPopup(MousePosition);
        }

        private TreeListHitInfo _calcHitInfo = null;

        //右键菜单弹出前验证
        private void popupMenu1_BeforePopup(object sender, CancelEventArgs e)
        {
            if (_calcHitInfo == null)
            {
                return;
            }
            if (_calcHitInfo.InRow)
            {
                this.barBtnAdd.Visibility = DevExpress.XtraBars.BarItemVisibility.Always;
                this.barBtnEdit.Visibility = DevExpress.XtraBars.BarItemVisibility.Always;
                this.barBtnDelete.Visibility = DevExpress.XtraBars.BarItemVisibility.Always;
                this.barBtnInfo.Visibility = DevExpress.XtraBars.BarItemVisibility.Always;
            }
            else
            {
                this.barBtnAdd.Visibility = DevExpress.XtraBars.BarItemVisibility.Always;
                this.barBtnEdit.Visibility = DevExpress.XtraBars.BarItemVisibility.Never;
                this.barBtnDelete.Visibility = DevExpress.XtraBars.BarItemVisibility.Never;
                this.barBtnInfo.Visibility = DevExpress.XtraBars.BarItemVisibility.Never;
            }
        }

        //获取当前
        private AssetsCompressorSeriesMgrViewModel GetCurrentViewModel()
        {
            if (_allBindingList == null)
            {
                TipFormHelper.ShowError("数据初始化错误！");
                return null;
            }
            if (_allBindingList.Count < 1)
            {
                TipFormHelper.ShowInfo("无数据！");
                return null;
            }
            var vm = this.treeList1.GetCurrentViewModel(_allBindingList);
            if (vm == null)
            {
                TipFormHelper.ShowWarn("请选择数据行！");
                return null;
            }
            return vm;
        }

        //添加
        private void Add()
        {
            if (_allBindingList == null)
            {
                TipFormHelper.ShowError("数据初始化失败！");
                return;
            }
            if (_calcHitInfo == null)
            {
                return;
            }
            long parentId = 0;
            if (_calcHitInfo.InRow)
            {
                var vm = this.treeList1.GetCurrentViewModel(_allBindingList);
                if (vm != null)
                {
                    parentId = vm.ID;
                }
            }
            var dlg = new AddAssetsCompressorSeriesDlg();
            dlg.ReloadDataEvent += (rhs) =>
            {
                var vm = new AssetsCompressorSeriesMgrViewModel(rhs);
                _allBindingList.Add(vm);
                this.treeList1.RefreshDataSource();
                TipFormHelper.ShowSucceed("添加成功！");
            };
            dlg.SetBindingData(parentId);
            dlg.ShowDialog();
        }

        //编辑
        private void Edit()
        {
            var vm = GetCurrentViewModel();
            if (vm == null)
            {
                return;
            }
            var dlg = new EditAssetsCompressorSeriesDlg();
            dlg.ReloadDataEvent += (rhs) =>
            {
                vm.Reset(rhs);
                this.treeList1.RefreshNode(this.treeList1.FocusedNode);
                TipFormHelper.ShowSucceed("更新成功");
            };
            dlg.SetBindingData(vm.Vmo);
            dlg.ShowDialog();
        }

        //删除
        private async void Delete()
        {
            var vm = GetCurrentViewModel();
            if (vm == null)
            {
                return;
            }
            var result = XtraMessageBox.Show("请问确认删除当前数据吗？", "询问", MessageBoxButtons.YesNo) == DialogResult.Yes;
            if (!result)
            {
                return;
            }
            var bol = await BLLFactory<HStation.BLL.AssetsCompressorSeries>.Instance.DeleteByID(vm.ID);
            if (!bol)
            {
                TipFormHelper.ShowError("删除失败！");
                return;
            }
            _allBindingList.Remove(vm);
            this.treeList1.RefreshDataSource();
            TipFormHelper.ShowSucceed("删除成功！");
        }

        //查看
        private void View()
        {
            var vm = GetCurrentViewModel();
            if (vm == null)
            {
                return;
            }
            var dlg = new ViewAssetsCompressorSeriesDlg();
            dlg.SetBindingData(vm.Vmo);
            dlg.ShowDialog();
        }

        //添加
        private void BarBtnAdd_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            Add();
        }

        //编辑
        private void BarBtnEdit_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            Edit();
        }

        //详细信息
        private void BarBtnInfo_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            View();
        }

        //删除
        private void BarBtnDelete_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            Delete();
        }

        #region 拖拽

        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 AssetsCompressorSeriesMgrViewModel;
            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 AssetsCompressorSeriesMgrViewModel;
            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<HStation.BLL.AssetsCompressorSeries>.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;
                    }
                }
            });
        }

        //拖拽排序
        private void barCkDrag_CheckedChanged(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            this.SetDragEnable(this.barCkDrag.Checked);
        }

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

        #endregion 拖拽
    }
}