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.Untity;


namespace IStation.WinFormUI.MonitorDataSet
{
    /// <summary>
    /// 测点树列表控件
    /// </summary>
    public partial class MonitorPointExSignalListTreeCtrl : XtraUserControl
    {
        public MonitorPointExSignalListTreeCtrl()
        {
            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.MonitorPointGroup rhs)
            {
                this.ID = $"{IStation.ObjectType.MonitorPointGroup}_{rhs.Id}";
                this.ParentID = $"{IStation.ObjectType.MonitorPointGroup}_{TreeParentIdsHelper.GetLastParentID(rhs.ParentIds)}";
                this.Name = rhs.Name;
                this.ObjectType = IStation.ObjectType.MonitorPointGroup;
                this.ObjectID = rhs.Id;
                this.SortCode = rhs.SortCode;
                this.Description = rhs.Description;
                this.ImageIndex = 0;
                this.Model = rhs;
            }

            public CurrentViewModel(Model.MonitorPointExSignalList rhs)
            {
                this.ID = $"{IStation.ObjectType.MonitorPoint}_{rhs.Id}";
                this.ParentID = $"{IStation.ObjectType.MonitorPointGroup}_{rhs.GroupId}";
                this.Name = rhs.Name;
                this.ObjectType = IStation.ObjectType.MonitorPoint;
                this.ObjectID = rhs.Id;
                this.SortCode = rhs.SortCode;
                this.Description = rhs.Description;
                this.ImageIndex = 1;
                this.Model = rhs;
            }
             
            public string ID { get; set; }
            public string ParentID { get; set; }
            public string Name { get; set; }
            public string ObjectType { get; set; }
            public long ObjectID { get; set; }
            public int SortCode { get; set; }
            public string Description { get; set; }
            public int ImageIndex { get; set; }
            public object 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(WinFormUI.Properties.Resource.Group, "Group");
                        _image16Store.Images.Add(WinFormUI.Properties.Resource.MonitorPoint, "MonitorPoint");
                        //_image16Store.Images.Add(WinFormUI.Properties.Resource.Signal, "Signal");
                    }
                    return _image16Store;
                }
            }
            private static ImageCollection _image16Store;

            public static Image Get16ObjectTypeImage(string objectType)
            { 

                Image img = null;
                switch (objectType)
                {
                    case IStation.ObjectType.MonitorPointGroup: img = Image16Store.Images["Group"]; break;
                    case IStation.ObjectType.MonitorPoint: img = Image16Store.Images["MonitorPoint"]; break;
                    case IStation.ObjectType.Signal: img = Image16Store.Images["Signal"]; break;
                }

                if (img == null)
                    img = Image16Store.Images["Question"];
                return img;
            }

            //获取
            public static int Get16ObjectTypeImageIndex(string objectId)
            {
                var img = Get16ObjectTypeImage(objectId);
                return Image16Store.Images.IndexOf(img);
            }

        }

        #endregion

        /// <summary>
        /// 聚焦改变事件
        /// </summary>
        public event Action<string, object> FocusedChangedEvent;

        /// <summary>
        /// 选择事件
        /// </summary>
        public event Action<string, object, MouseEventArgs> SelectEvent;
  
        private long _projectId;//项目标识
        private List<CurrentViewModel> _allBindingList = null;//所有绑定列表
        private CurrentViewModel _focused = null;//当前聚焦

        /// <summary>
        /// 绑定数据
        /// </summary>
        public void SetBindingData(long projectId)
        {
            _projectId = projectId;
            var group_list = new BLL.MonitorPointGroup().GetAll(_projectId);
            var point_list = new BLL.MonitorPoint().GetExSignalList(_projectId);
            this.SetBindingData(group_list, point_list);
        }

        /// <summary>
        /// 绑定数据
        /// </summary>
        public void SetBindingData(long projectId, string belongType, long belongId)
        {
            _projectId = projectId;
            var group_list = new BLL.MonitorPointGroup().GetByBelongTypeAndBelongId(_projectId,belongType,belongId);
            var point_list = new BLL.MonitorPoint().GetExSignalListByBelongTypeAndBelongId(_projectId, belongType,belongId);
            this.SetBindingData(group_list, point_list);
        }

        /// <summary>
        /// 绑定数据
        /// </summary>
        public void SetBindingData(List<Model.MonitorPointGroup> group_list, List<Model.MonitorPointExSignalList> point_list)
        {
            _allBindingList = new List<CurrentViewModel>();
            if (group_list != null && group_list.Count > 0)
            {
                group_list = group_list.OrderBy(x => x.SortCode).ToList();
                group_list.ForEach(x => _allBindingList.Add(new CurrentViewModel(x)));
            }
            else
            {
                var group = new Model.MonitorPointGroup();
                group.Id = -1;
                group.Name = "未分组";
                group.SortCode = int.MaxValue;
                group.Description = "虚拟分组";
                _allBindingList.Add(new CurrentViewModel(group));
            }

            if (point_list != null && point_list.Count > 0)
            {
                point_list = point_list.OrderBy(x => x.SortCode).ToList();
                foreach (var point in point_list)
                {
                    _allBindingList.Add(new CurrentViewModel(point));  
                }
            }

            this.treeList1.DataSource = _allBindingList;
            this.treeList1.ForceInitialize();
            this.treeList1.ExpandAll();
            if (_allBindingList.Count < 1)
            {
                if (_focused != null)
                {
                    _focused = null;
                    this.FocusedChangedEvent?.Invoke(string.Empty, null);
                }
            }
        }

        /// <summary>
        /// 绑定数据
        /// </summary>
        public void SetBindingData(long projectId, long groupId)
        {
            if (groupId < 1)
                return;
            _allBindingList = new List<CurrentViewModel>();
            var group = new BLL.MonitorPointGroup().GetById(projectId, groupId);
            _allBindingList.Add(new CurrentViewModel(group));
            var point_list = new BLL.MonitorPoint().GetExSignalListByGroupId(projectId, groupId);
            if (point_list != null && point_list.Count > 0)
            {
                point_list = point_list.OrderBy(x => x.SortCode).ToList();
                point_list.ForEach(x => _allBindingList.Add(new CurrentViewModel(x)));
            }
            this.treeList1.DataSource = _allBindingList;
            this.treeList1.ForceInitialize();
            this.treeList1.ExpandAll();
            if (_allBindingList.Count < 1)
            {
                if (_focused != null)
                {
                    _focused = null;
                    this.FocusedChangedEvent?.Invoke(string.Empty, null);
                }
            }
        }


        /// <summary>
        /// 获取聚焦
        /// </summary>
        public object GetFocused()
        {
            var vm = this.treeList1.GetFocusedRow() as CurrentViewModel;
            return vm?.Model;
        }

        /// <summary>
        /// 设置聚焦
        /// </summary>
        public bool SetFocused(string objectType,long objectId)
        {
            var key = $"{objectType}_{objectId}";
            var node = this.treeList1.FindNodeByKeyID(key);
            if (node == null)
                return false;
            this.treeList1.FocusedNode = node;
            return true;
        }
        

        //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;
        }

        //聚焦改变
        private void treeList1_FocusedNodeChanged(object sender, DevExpress.XtraTreeList.FocusedNodeChangedEventArgs e)
        {
            var vm = this.treeList1.GetFocusedRow() as CurrentViewModel;
            this.FocusedChangedEvent?.Invoke(vm.ObjectType, vm?.Model);
        }

        //鼠标点击
        private void treeList1_RowCellClick(object sender, DevExpress.XtraTreeList.RowCellClickEventArgs e)
        {
            if (e.Button == MouseButtons.Left)
            {
                var vm = this.treeList1.GetDataRecordByNode(e.Node) as CurrentViewModel;
                this.SelectEvent?.Invoke(vm.ObjectType, vm.Model, e);
            }
        }


        public List<Model.MonitorPointGroup> GetMonitorPointGroups()
        {
            if (_allBindingList == null || _allBindingList.Count < 1)
                return default;
            return _allBindingList.Where(x => x.ObjectType == IStation.ObjectType.MonitorPointGroup).Select(x => x.Model as Model.MonitorPointGroup).ToList();
        }

        public List<Model.MonitorPointExSignalList> GetMonitorPointExSignalList()
        {
            if (_allBindingList == null || _allBindingList.Count < 1)
                return default;
            return _allBindingList.Where(x => x.ObjectType == IStation.ObjectType.MonitorPoint).Select(x => x.Model as Model.MonitorPointExSignalList).ToList();
        }


    }

}