using Hydro.MapView;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Imaging;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Security.Policy;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using static Hydro.MapView.MapViewEnum;
using Hydro.MapView.Common;

namespace Hydro.MapUI
{
    

    public partial class PropertyForm : UserControl
    {
        private IBaseViewModel _selectedObject;
        private MapObjectType _selectedType=  MapObjectType.全部;
        private List<SelectionSet> selectionSets;
        public SelectionSet selectionSet=new SelectionSet();
        private Form fr = null;
        public PropertyForm()
        {
            InitializeComponent();
        }
        public void SetEnabled(bool isReadOnly)
        {
            _isEnable = isReadOnly;
        }

        public void SetWindows(Form mg)
        {
            if (mg.WindowState == FormWindowState.Maximized)
            {
                //this.StartPosition = FormStartPosition.Manual;   //设置窗体位置由程序控制
                this.Height = mg.Height-50;
                this.Location = new Point(mg.Left + mg.Width -this.Width, mg.Top+50);   //设置新窗体位置，当前窗体的右侧（X轴方向）
            }
            else
            {
                //this.StartPosition = FormStartPosition.Manual;   //设置窗体位置由程序控制
                this.Height = mg.Height;
                this.Location = new Point(mg.Left + mg.Width - 15, mg.Top);   //设置新窗体位置，当前窗体的右侧（X轴方向）
            }
            fr = mg;

            //GlobalObject.PropertyForm.Show();
        }
        public Form GetWindow()
        {
            return this.fr;
        }
        public void SetObj(object o)
        {
            propertyGrid.SelectedObject = o;
            this.Text= o.GetType().Name;
        }
        public void SetObj(IBaseViewModel selectedObject)
        {

            //_selectedObject = selectedObject;


            if (_selectedObject is JunctionViewModel junc)
            {
                _selectedType = MapObjectType.节点;
                propertyGrid.SelectedObject = junc;
            }
            else if (_selectedObject is ReservoirViewModel reser)
            {
                _selectedType = MapObjectType.水池;
                propertyGrid.SelectedObject = reser;
            }
            else if (_selectedObject is TankViewModel tank)
            {
                _selectedType = MapObjectType.水池;
                propertyGrid.SelectedObject =tank;
            }
            
            else if (_selectedObject is PipeViewModel pipe)
            {
                _selectedType = MapObjectType.管线;
                propertyGrid.SelectedObject = pipe;
            }
            else if (_selectedObject is RepeaterViewModel repeater)
            {
                _selectedType = MapObjectType.重复器;
                propertyGrid.SelectedObject = repeater;
            }
            else if (_selectedObject is ValveViewModel valve)
            {
                _selectedType = MapObjectType.水池;
                propertyGrid.SelectedObject = valve;
            }
            else 
            {
                _selectedType = MapObjectType.全部;
                propertyGrid.SelectedObject = selectedObject;
            }
            switch (_selectedType)
            {
                case MapObjectType.节点:
                    Text = "节点 Properties";
                    break;
                case MapObjectType.水库:
                    Text = "水库 Properties";
                    break;
                case MapObjectType.水池:
                    Text = "水池 Properties";
                    break;
                case MapObjectType.管线:
                    Text = "管线 Properties";
                    break;
                case MapObjectType.阀门:
                    Text = "阀门 Properties";
                    break;
                case MapObjectType.重复器:
                    Text = "重复器 Properties";
                    break;                
            }
        }
        public void SetNet(MapViewNetWork net)
        {
            selectionSet.net = net;
        }
        public void SetObjs(List<IBaseViewModel> selectedObjects)
        {

            selectionSet.selectedObjects = selectedObjects.ToList();
            if (selectedObjects.Count ==1)
                SetObj(selectedObjects[0]);
            else
                ShowProperties(selectedObjects);

            if (selectionSet.OnlyViewSelected)
                RefleshListBox();
            //listBox1.SelectedIndexChanged -= listBox1_SelectedIndexChanged;

            ////listBox1.DataSource = null;
            ////listBox1.DataSource = selectionSet.View;
            //listBox1.DataSource = null;
            //listBox1.DisplayMember = "ID";
            //listBox1.DataSource = selectionSet.View;

            ////listBox1.DisplayMember = "ID";

            //listBox1.SelectedIndexChanged += listBox1_SelectedIndexChanged;
        }

        private void PropertyForm_Load_1(object sender, EventArgs e)
        {
            comboBox_type.DataSource = Enum.GetValues(typeof(MapObjectType));
            comboBox_type.SelectedIndex = 0;
            selectionSets = new List<SelectionSet>();
            selectionSet = new SelectionSet();
            listBox1.DataSource = selectionSet.View;
            //listBox1.DisplayMember = "IDType";
        }

        private void comboBox_type_SelectedIndexChanged(object sender, EventArgs e)
        {
            RefleshListBox();
        }
        void RefleshListBox()
        {
            if (selectionSet == null) return;
            string txt = comboBox_type.SelectedItem.ToString();
            MapObjectType selectedType = (MapObjectType)Enum.Parse(typeof(MapObjectType), txt);
            // 使用 LINQ 查询筛选选择集
            selectionSet.filterType = selectedType;
            selectionSet.FilterString = textBox_search.Text;


            listBox1.SelectedIndexChanged -= listBox1_SelectedIndexChanged;



            //listBox1.DisplayMember = "ID";
            //// 重新绑定选择集列表
            //listBox1.DataSource = selectionSet.View;
            listBox1.DataSource = null;
            //listBox1.DisplayMember = "IDType";
            listBox1.DataSource = selectionSet.View;

            listBox1.SelectedIndexChanged += listBox1_SelectedIndexChanged;
        }

        private void listBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
           
            if (listBox1.SelectedItems.Count == 0)
            {
                return;
            }
            else if (listBox1.SelectedItems.Count == 1)
            {
                var objID=listBox1.SelectedItems[0];
                IBaseViewModel mapObject =selectionSet. net.MapObjects.FindAll(o =>o.ID== objID)[0];// selectionSet.selectedObjects.Find(obj => obj.ID == ((MapObject)listBox1.SelectedItems[0]).ID);
                if (mapObject != null) SetObj(mapObject);
                GlobalObject.map.selectedObjs.ForEach(o => o.Selected = false); ;
                GlobalObject.map.selectedObjs.Clear();
                GlobalObject.map.selectedObjs.Add(mapObject);
                mapObject.Selected = true;
                GlobalObject.map.SetInvalidated();
            }
            else
            {
                List<IBaseViewModel> list = new List<IBaseViewModel>();
                foreach (var o in listBox1.SelectedItems)
                {
                    var objID = listBox1.SelectedItems[0];
                    IBaseViewModel mapObject = selectionSet. net.MapObjects.FindAll(obj => obj.ID == objID)[0];
                    list.Add(mapObject);
                }
                ShowProperties( list);
                GlobalObject.map.selectedObjs.ForEach(o => o.Selected = false); ;
                GlobalObject.map.selectedObjs.Clear();
                list.ForEach(o=>o.Selected=true);
                GlobalObject.map.selectedObjs.AddRange(list);
                GlobalObject.map.SetInvalidated();
                //if (selectedObjects.Count == 1)
                //    SetObj(selectedObjects[0]);
                //else
                //    ShowProperties(selectedObjects);
            }
           


        }
        private void listBox1_DoubleClick(object sender, EventArgs e)
        {
            if (listBox1.SelectedItems.Count == 1)
            {
                //IBaseViewModel mapObject = (IBaseViewModel)listBox1.SelectedItems[0];
                var objID = listBox1.SelectedItems[0];
                IBaseViewModel mapObject = selectionSet.net.MapObjects.FindAll(obj => obj.ID == objID)[0];
                GlobalObject.map.setCenter (mapObject);


                GlobalObject.map.SetInvalidated();
            }
        }
        private void PropertyForm_FormClosing(object sender, FormClosingEventArgs e)
        {
            e.Cancel = true;
            this.Hide();
        }

        bool _isEnable = true;

        private static Dictionary<object, List<object>> _selectedObjectsDict = new Dictionary<object, List<object>>();
        private void propertyGrid_PropertyValueChanged(object s, PropertyValueChangedEventArgs e)
        {
            //foreach (var item in listBox1.SelectedItems)
            //{

            //    var mapObject = selectionSet.selectedObjects.Find(obj => obj.ID == ((MapObject)item).ID);
            //    if (e.ChangedItem.Label == " 批次编号 ")
            //    {
            //        mapObject.Level = (int)e.ChangedItem.Value;
            //    }
            //}
            if (!_isEnable)
            {
                MessageBox.Show("当前状态的修改将不会被保存","重复器展开中");
                _isEnable = true;
            }


            object firstObj = selectionSet.selectedObjects.First();


            //if (_selectedObjectsDict[firstObj].Contains(e.ChangedItem.Label))
            //{
            //    foreach (var obj in selectionSet.selectedObjects)
            //    {
            //        var props = TypeDescriptor.GetProperties(obj);
            //        foreach (PropertyDescriptor prop in props)
            //        {
            //            if (prop.Name == e.ChangedItem.Label)
            //            {
            //                prop.SetValue(obj, e.ChangedItem.Value);
            //                break;
            //            }
            //        }
            //    }
            //}
            GlobalObject.map.SetInvalidated();
        }

        

        public void ShowProperties(IEnumerable<IBaseViewModel> selectedObjects)
        {
            var pg = this.propertyGrid;
            if(pg!=null && selectedObjects!=null)
            { pg.SelectedObjects = selectedObjects.ToArray(); }
            
            //var objs = selectedObjects.ToList();
            //objs.Sort((a, b) => { return String.Compare(a.ID, b.ID); });
            //pg.SelectedObjects = objs.ToArray();

            // 设置 PropertyGrid 的 PropertyValueChanged 事件处理程序


        }

        private void textBox_search_TextChanged(object sender, EventArgs e)
        {
            RefleshListBox();
        }

        private void checkBox_OnlyShowSelected_CheckedChanged(object sender, EventArgs e)
        {
            selectionSet.OnlyViewSelected = checkBox_OnlyShowSelected.Checked;
            RefleshListBox();
        }

       
    }

    public class SelectionSet
    {
        public string Name;
        public MapObjectType filterType=MapObjectType.全部;

        public string FilterString { get; set; } = "";

        public MapViewNetWork net { get; set; } = null;
        public bool OnlyViewSelected { get; set; } = true;

        public List<IBaseViewModel> selectedObjects=new List<IBaseViewModel>();
        public List<string> View
        {
            get
            {
                List<IBaseViewModel> originList;
                List<IBaseViewModel> list;
                List<string> list_result=new List<string>();
                if (!OnlyViewSelected && net != null)
                {
                    originList = net.MapObjects;
                }
                else
                {
                    originList = selectedObjects;
                }


                if (filterType == MapObjectType.全部)
                {
                    list = originList;
                }

                else
                {

                    var filteredSets = from obj in originList
                                       where obj.GetType() == filterType.GetObjType()
                                       select obj;
                    list = filteredSets?.ToList();
                }



                if (FilterString!=null && FilterString!="")
                {
                    list = list?.FindAll(o => o.ID.IndexOf(FilterString) >= 0);
                }
                list_result = list.Select(o => o.ID).ToList();
                return list_result;


            }
        }
      

    }



}