using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Linq;
using System.Threading.Tasks;
using System.Windows.Forms;
using DevExpress.XtraEditors;
using DevExpress.Utils;
using IStation.WinFrmUI;
using IStation.Untity;


namespace IStation.WinFrmUI.Product
{
    /// <summary>
    /// 设备分组管理控件
    /// </summary>
    public partial class ProductGroupMgrCtrl : XtraUserControl
    {
        public ProductGroupMgrCtrl()
        {
            InitializeComponent();
            this.treeList1.InitialDefaultSettings();
            this.treeList1.SelectImageList = CurrentViewModel.Image16Store;
            this.layoutControl1.SetupLayoutControl();
        }

        #region 当前视图

        public class CurrentViewModel
        {
            public CurrentViewModel() { }
            public CurrentViewModel(Model.ProductGroup rhs)
            {
                this.ID = rhs.ID;
                this.ParentID = TreeParentIdsHelper.GetLastParentID(rhs.ParentIds);
                if (this.ParentID < 1)
                {
                    this.ParentID = -1;
                }
                this.ParentIds = TreeParentIdsHelper.ToString(rhs.ParentIds);
                this.Name = rhs.Name;
                this.TagName = rhs.TagName;
                this.SortCode = rhs.SortCode;
                this.Description = rhs.Description;
                this.Model = rhs;
            }

            public void Reset(Model.ProductGroup rhs)
            {
                this.ID = rhs.ID;
                this.ParentID = TreeParentIdsHelper.GetLastParentID(rhs.ParentIds);
                if (this.ParentID < 1)
                {
                    this.ParentID = -1;
                }
                this.ParentIds = TreeParentIdsHelper.ToString(rhs.ParentIds);
                this.Name = rhs.Name;
                this.TagName = rhs.TagName;
                this.SortCode = rhs.SortCode;
                this.Description = rhs.Description;
                this.Model = rhs;
            }

            public long ID { get; set; }
            public long ParentID { get; set; }
            public string ParentIds { get; set; }
            public string Name { get; set; }
            public string TagName { get; set; }
            public int SortCode { get; set; }
            public string Description { get; set; }
            public int ImageIndex
            {
                get { return 0; }
            }
            public Model.ProductGroup Model { get; set; }

            /// <summary>
            /// 图标仓库
            /// </summary>
            public static ImageCollection Image16Store
            {
                get
                {
                    if (_image16Store == null)
                    {
                        _image16Store = new ImageCollection();
                        _image16Store.ImageSize = new Size(16, 16);
                        _image16Store.Images.Add(WinFrmUI.Properties.Resources.GroupC32, "Group");
                    }
                    return _image16Store;
                }
            }
            private static ImageCollection _image16Store;
        }

        #endregion

        /// <summary>
        /// 选择改变事件
        /// </summary>
        public event Action<Model.ProductGroup> SelectChangedEvent;

        private BindingList<CurrentViewModel> _allBindingList = null;//所有绑定列表
        private long _corpId;//当前客户
        private string _belongType;//所属类型
        private long _belongId;//所属标识

        /// <summary>
        /// 绑定数据
        /// </summary>
        public void SetBindingData()
        {
            _allBindingList = null;
            this.SelectChangedEvent?.Invoke(null);
        }

        /// <summary>
        /// 绑定数据
        /// </summary>
        public void SetBindingData(long corpId, string belongType, long belongId)
        {
            _corpId = corpId;
            _belongType = belongType;
            _belongId = belongId;
            _allBindingList = new BindingList<CurrentViewModel>();
            var all = new BLL.ProductGroup().GetByBelongTypeAndBelongID(_corpId, _belongType, _belongId);
            all?.ForEach(x =>
            {
                var vm = new CurrentViewModel(x);
                _allBindingList.Add(vm);
            });

            var group_none = new Model.ProductGroup();
            group_none.ID = 0;
            group_none.CorpID = _corpId;
            group_none.BelongType = _belongType;
            group_none.BelongID = _belongId;
            group_none.Name = "未分组";
            group_none.SortCode = int.MaxValue;
            _allBindingList.Add(new CurrentViewModel(group_none));

            this.treeList1.DataSource = _allBindingList;
            this.treeList1.RefreshDataSource();
            this.treeList1.ExpandAll();
            SelectChanged();
        }

        /// <summary>
        ///  选择改变项
        /// </summary>
        public void SelectChanged()
        {
            var row = this.treeList1.GetFocusedRow() as CurrentViewModel;
            this.SelectChangedEvent?.Invoke(row?.Model);
        }

        #region 基础方法 

        //添加根
        public void AddRoot()
        {
            if (_allBindingList == null)
                return;
            var items = _allBindingList.Where(x => x.ID > 0 && x.ParentID == -1).ToList();
            int sort_code = items.Count > 0 ? items.Max(x => x.SortCode) + 1 : 1;
            WaitFrmHelper.ShowWaitForm();
            var dlg = new AddProductGroupDlg();
            dlg.Shown += delegate { WaitFrmHelper.HideWaitForm(); };
            dlg.SetBindingData(_corpId, _belongType, _belongId, sort_code);
            dlg.ReloadDataEvent += (rhs) =>
            {
                var vm = new CurrentViewModel(rhs);
                _allBindingList.Add(vm);
                this.treeList1.RefreshDataSource();
                XtraMessageBox.Show("添加成功！");
            };
            dlg.ShowDialog();
        }

        //添加子项
        public void AddChild()
        {
            var vm = this.treeList1.GetCurrentViewModel(_allBindingList);
            if (vm == null)
            {
                XtraMessageBox.Show("请选择数据行！");
                return;
            }
            if (vm.ID < 1)
            {
                XtraMessageBox.Show("请选择实际分组！");
                return;
            }
            var items = _allBindingList.Where(x => x.ParentID == vm.ID).ToList();
            var sort_code = items.Count > 0 ? items.Max(x => x.SortCode) + 1 : 1;
            var parent_id_list = TreeParentIdsHelper.GetChildParentIds(vm.ID, vm.Model.ParentIds);
            WaitFrmHelper.ShowWaitForm();
            var dlg = new AddProductGroupDlg();
            dlg.Shown += delegate { WaitFrmHelper.HideWaitForm(); };
            dlg.SetBindingData(_corpId, _belongType, _belongId, sort_code, parent_id_list);
            dlg.ReloadDataEvent += (rhs) =>
            {
                var vm_rhs = new CurrentViewModel(rhs);
                _allBindingList.Add(vm_rhs);
                this.treeList1.RefreshDataSource();
                XtraMessageBox.Show("添加成功！");
            };
            dlg.ShowDialog();
        }

        //编辑
        public void Edit()
        {
            var vm = this.treeList1.GetCurrentViewModel(_allBindingList);
            if (vm == null)
            {
                XtraMessageBox.Show("请选择数据行！");
                return;
            }
            if (vm.ID < 1)
            {
                XtraMessageBox.Show("请选择实际分组！");
                return;
            }
            WaitFrmHelper.ShowWaitForm();
            var dlg = new EditProductGroupDlg();
            dlg.Shown += delegate { WaitFrmHelper.HideWaitForm(); };
            dlg.SetBindingData(vm.Model);
            dlg.ReloadDataEvent += (rhs) =>
            {
                vm.Reset(rhs);
                this.treeList1.RefreshNode(this.treeList1.FocusedNode);
                XtraMessageBox.Show("更新成功！");
            };
            dlg.ShowDialog();
        }

        //删除
        public void Delete()
        {
            var vm = this.treeList1.GetCurrentViewModel(_allBindingList);
            if (vm == null)
            {
                XtraMessageBox.Show("请选择数据行！");
                return;
            }
            if (vm.ID < 1)
            {
                XtraMessageBox.Show("请选择实际分组！");
                return;
            }
            XtraMessageBox.Show("正在开发中，敬请期待！");
        }

        //详细信息
        public void View()
        {
            var vm = this.treeList1.GetCurrentViewModel(_allBindingList);
            if (vm == null)
            {
                XtraMessageBox.Show("请选择数据行！");
                return;
            }
            if (vm.ID < 1)
            {
                XtraMessageBox.Show("请选择实际分组！");
                return;
            }
            WaitFrmHelper.ShowWaitForm();
            var dlg = new ViewProductGroupDlg();
            dlg.Shown += delegate { WaitFrmHelper.HideWaitForm(); };
            dlg.SetBindingData(vm.Model);
            dlg.ShowDialog();
        }

        //更新 TagName
        public void UpdateTagName()
        {
            var vm = this.treeList1.GetCurrentViewModel(_allBindingList);
            if (vm == null)
            {
                XtraMessageBox.Show("请选择数据行！");
                return;
            }
            if (vm.ID < 1)
            {
                XtraMessageBox.Show("请选择实际分组！");
                return;
            }
            WaitFrmHelper.ShowWaitForm();
            var dlg = new SetTagNameDlg();
            dlg.Shown += delegate { WaitFrmHelper.HideWaitForm(); };
            dlg.SetBindingData(vm.TagName);
            dlg.ReloadDataEvent += (rhs) =>
            {
                var bll = new BLL.ProductGroup();
                var result = bll.UpdateTagName(vm.Model.CorpID, vm.ID, rhs);
                if (result)
                {
                    var model = bll.GetByID(vm.Model.CorpID, vm.ID);
                    vm.Reset(model);
                    this.treeList1.RefreshNode(this.treeList1.FocusedNode);
                }
                return result;
            };
            dlg.ShowDialog();
        }

        //更新排序码
        public void UpdateSortCode()
        {
            var vm = this.treeList1.GetCurrentViewModel(_allBindingList);
            if (vm == null)
            {
                XtraMessageBox.Show("请选择数据行！");
                return;
            }
            if (vm.ID < 1)
            {
                XtraMessageBox.Show("请选择实际分组！");
                return;
            }
            var dlg = new SetSortCodeDlg();
            dlg.SetBindingData(vm.SortCode);
            dlg.ReloadDataEvent += (rhs) =>
            {
                var bll = new BLL.ProductGroup();
                var result = bll.UpdateSortCode(vm.Model.CorpID, vm.ID, rhs);
                if (result)
                {
                    var model = bll.GetByID(vm.Model.CorpID, vm.ID);
                    vm.Reset(model);
                    this.treeList1.RefreshNode(this.treeList1.FocusedNode);
                    return true;
                }
                return false;
            };
            dlg.ShowDialog();
        }

        /// <summary>
        /// 获取当前分组
        /// </summary>
        public Model.ProductGroup GetFocused()
        {
            var vm = this.treeList1.GetFocusedRow() as CurrentViewModel;
            return vm?.Model;
        }

        #endregion

        #region 事件处理器


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

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

        //检索（menu）
        private void barBtnSearchInMenu_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;
        }

        //拖拽开关
        private void barCkDragSort_CheckedChanged(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            var be = this.behaviorManager1.GetBehavior<DevExpress.Utils.DragDrop.DragDropBehavior>(this.treeList1);
            be.Properties.AllowDrag = this.barCkDragSort.Checked;
        }

        //根节点添加分组
        private void barBtnAddRoot_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            AddRoot();
        }

        //节点下添加分组
        private void barBtnAddChild_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            AddChild();
        }

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

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

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

        //更新标签
        private void barBtnTagName_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            UpdateTagName();
        }

        //更新排序
        private void barBtnSortCode_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            UpdateSortCode();
        }

        //全部折叠 (node)
        private void btnCollpaseAllInNode_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            this.treeList1.FocusedNode?.Collapse();
        }

        //全部展开 (node)
        private void btnExpandAllInNode_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            this.treeList1.FocusedNode?.Expand();
        }

        //右键菜单弹出
        private void treeList1_MouseClick(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Right)
            {
                var node = this.treeList1.GetNodeAt(e.X, e.Y);
                if (node == null)
                {
                    this.pmRoot.ShowPopup(MousePosition);
                    return;
                }
            }
        }

        //右键菜单弹出
        private void treeList1_RowCellClick(object sender, DevExpress.XtraTreeList.RowCellClickEventArgs e)
        {
            if (e.Button == MouseButtons.Left)
            {
                if (e.Column == this.colName)
                {
                    SelectChanged();
                }
            }
            else if (e.Button == MouseButtons.Right)
            {
                this.pmNode.ShowPopup(MousePosition);
            }
        }

        #endregion

    }

}