using DevExpress.XtraEditors;
using DevExpress.XtraTreeList;
using IStation.Untity;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;

namespace IStation.WinFrmUI.Monitor
{
    /// <summary>
    /// 
    /// </summary>
    public partial class MultiMonitorPointTreeList : XtraUserControl
    {
        public MultiMonitorPointTreeList()
        {
            InitializeComponent();
            treeList1.InitialDefaultMultiSelectSettings();
            treeList1.SelectImageList = ImageLib.Lib;
            layoutControl1.SetupLayoutControl();
        }

        public class CurrentViewModel
        {
            public CurrentViewModel() { }

            public CurrentViewModel(Model.Station rhs)
            {
                ID = rhs.ID;
                Name = rhs.Name;
                ObjectType = IStation.ObjectType.Station;
                SortCode = rhs.SortCode;
                ImageIndex = ImageLib.Station;
                IsGroup = true;
                Model = rhs;
            }
            public CurrentViewModel(Model.MonitorPointGroup rhs)
            {
                ID = rhs.ID;
                ParentID = rhs.ParentIds == null || !rhs.ParentIds.Any()
                    ? rhs.BelongID : TreeParentIdsHelper.GetLastParentID(rhs.ParentIds);
                Name = rhs.Name;
                ObjectType = IStation.ObjectType.MonitorPointGroup;
                SortCode = rhs.SortCode;
                IsGroup = true;
                ImageIndex = ImageLib.Group;
                Model = rhs;
            }

            public CurrentViewModel(Model.MonitorPointExSignalWithSignalType rhs)
            {
                ID = rhs.MonitorPointID;
                ParentID = rhs.GroupID;
                Name = rhs.Name;
                ObjectType = IStation.ObjectType.MonitorPoint;
                SortCode = rhs.SortCode;
                ImageIndex = ImageLib.MonitorPoint;
                Model = rhs;
            }


            public long ID { get; set; }
            public long ParentID { get; set; }
            public string Name { get; set; }
            public string ObjectType { get; set; }
            public int SortCode { get; set; }
            public int ImageIndex { get; set; }
            public bool IsGroup { get; set; }
            public object Model { get; set; }
            public bool? Checked { get; set; } = false;
            public Color Color { get; set; }

        }

        /// <summary>
        /// 选择改变事件
        /// </summary>
        public event Action<Model.MonitorPointExSignalWithSignalType, System.Drawing.Color, bool> CheckChangedEvent;

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


        /// <summary>
        /// 绑定数据
        /// </summary>
        public void SetBindingData()
        {
            WaitFrmHelper.ShowWaitForm("正在加载数据...");

            _allBindingList = new List<CurrentViewModel>();
            var stations = new BLL.Station().GetAll();
            if (stations != null && stations.Any())
            {
                var _bll = new BLL.MonitorPoint();
                var _bllGroup = new BLL.MonitorPointGroup();

                foreach (var station in stations)
                {
                    var vmStation = new CurrentViewModel(station);
                    _allBindingList.Add(vmStation);

                    var monitorPointGroups = _bllGroup.GetByBelongTypeAndBelongID(IStation.ObjectType.Station, station.ID);
                    if (monitorPointGroups == null || !monitorPointGroups.Any())
                        continue;
                    foreach (var group in monitorPointGroups)
                    {
                        var vmGroup = new CurrentViewModel(group);
                        _allBindingList.Add(vmGroup);

                        var monitorPoints = _bll.GetExSignalWithSignalTypeByBelongTypeAndBelongIDAndGroupID(group.BelongType, group.BelongID, group.ID);
                        if (monitorPoints == null || !monitorPoints.Any())
                            continue;
                        foreach (var item in monitorPoints)
                        {
                            var vm = new CurrentViewModel(item);
                            _allBindingList.Add(vm);
                        }
                    }
                }
            }

            treeList1.DataSource = _allBindingList;
            treeList1.ForceInitialize();
            WaitFrmHelper.HideWaitForm();
        }



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

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

        //检索
        private void barCkSearch_CheckedChanged(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            if (barCkSearch.Checked)
                treeList1.ShowFindPanel();
            else
                treeList1.HideFindPanel();
        }

        //详细信息
        private void barBtnDetail_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            XtraMessageBox.Show("待补充!");
        }


        //节点选中前
        private void treeList1_BeforeCheckNode(object sender, CheckNodeEventArgs e)
        {
            var vm = treeList1.GetDataRecordByNode(e.Node) as CurrentViewModel;
            if (vm == null)
                return;
            if (vm.IsGroup)
            {
                e.CanCheck = false;
            }
        }

        //节点选中后
        private void treeList1_AfterCheckNode(object sender, DevExpress.XtraTreeList.NodeEventArgs e)
        {
            if (_allBindingList == null)
                return;
            var count = _allBindingList.Where(x => !x.IsGroup && x.Checked == true).Count();
            if (count > 11)
            {
                XtraMessageBox.Show("目前只支持十个测点展示!");
                e.Node.Checked = false;
                return;
            }

            var vm = treeList1.GetDataRecordByNode(e.Node) as CurrentViewModel;
            if (vm == null)
                return;
            if (vm.IsGroup)
                return;
            var monitorPoint = vm.Model as Model.MonitorPointExSignalWithSignalType;
            if (monitorPoint == null)
                return;
            vm.Color = GetRandomColor(count);
            CheckChangedEvent?.Invoke(monitorPoint, vm.Color, e.Node.Checked);
        }

        #region Color

        private List<Color> ColorArray = new List<Color>()
        { Color.Red, Color.Blue, Color.Green, Color.DodgerBlue,
            Color.Fuchsia, Color.MidnightBlue, Color.Maroon,
            Color.Aquamarine, Color.Bisque, Color.BurlyWood
        };

        /// <summary>
        /// 获取随机颜色
        /// </summary>
        /// <returns></returns>
        private Color GetRandomColor(int count)
        {
            if (count < ColorArray.Count)
            {
                return ColorArray[count];
            }

            return ColorHelper.GetRandomColor();
        }
        #endregion


        //绘制单元格
        private void treeList1_CustomDrawNodeCell(object sender, DevExpress.XtraTreeList.CustomDrawNodeCellEventArgs e)
        {
            /* var node = this.treeList1.GetDataRecordByNode(e.Node) as CurrentViewModel;
             if (node == null)
                 return;
             if (node.Checked.HasValue && node.Checked.Value)
             {
                 e.Appearance.ForeColor = node.Color;
             }*/
        }

        //取消绘制单元格
        private void treeList1_CustomDrawNodeCheckBox(object sender, CustomDrawNodeCheckBoxEventArgs e)
        {
            var node = treeList1.GetDataRecordByNode(e.Node) as CurrentViewModel;
            if (node == null)
                return;
            if (node.IsGroup)
            {
                e.ObjectArgs.State = DevExpress.Utils.Drawing.ObjectState.Disabled;
            }
        }

        //清空选中项
        private void barBtnClearChecked_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            foreach (var vm in _allBindingList)
            {
                if (vm.Checked == true)
                {
                    vm.Checked = false;
                    if (vm.IsGroup)
                        continue;
                    var monitorPoint = vm.Model as Model.MonitorPointExSignalWithSignalType;
                    CheckChangedEvent?.Invoke(monitorPoint, vm.Color, false);
                }
            }
            treeList1.DataSource = _allBindingList;
            treeList1.RefreshDataSource();
        }


    }

}