using DevExpress.XtraEditors.Repository;
using DevExpress.XtraVerticalGrid.Events;
using System.Data;
 
namespace HydroUI
{
    public partial class PropertyForm : UserControl
    {

        public PropertyForm()
        {
            InitializeComponent();
            this.propertyGridControl1.OptionsBehavior.PropertySort = DevExpress.XtraVerticalGrid.PropertySort.NoSort;
            this.propertyGridControl1.OptionsView.AllowReadOnlyRowAppearance = DevExpress.Utils.DefaultBoolean.True;
            this.propertyGridControl1.OptionsView.ShowFocusedFrame = false;
            this.propertyGridControl1.OptionsView.ShowRootLevelIndent = false;
            this.propertyGridControl1.RecordWidth = 120;
            this.propertyGridControl1.RowHeaderWidth = 100;

            propertyGridControl1.CustomRecordCellEdit += propertyGridControl1_CustomRecordCellEdit; 
            propertyGridControl1.CustomDrawRowHeaderCell += propertyGridControl1_CustomDrawRowHeaderCell;
            propertyGridControl1.CustomDrawRowValueCell += propertyGridControl1_CustomDrawRowValueCell;
            propertyGridControl1.ShowingEditor += propertyGridControl1_ShowingEditor;

            this.comboBox_type.Properties.TextEditStyle = TextEditStyles.DisableTextEditor;
        }


        private IBaseViewModel _selectedObject;
        private MapObjectType _selectedType = MapObjectType.全部;
        private List<SelectionSet> selectionSets;
        public SelectionSet selectionSet = new SelectionSet();
        private Form fr = null;

        public void SetEnabled(bool isReadOnly)
        {

        }

        public void SetWindows(Form mg)
        {
            if (mg.WindowState == FormWindowState.Maximized)
            {
                this.Height = mg.Height - 50;
                this.Location = new Point(mg.Left + mg.Width - this.Width, mg.Top + 50);
            }
            else
            {
                this.Height = mg.Height;
                this.Location = new Point(mg.Left + mg.Width - 15, mg.Top);
            }
            fr = mg;
        }
        public Form GetWindow()
        {
            return this.fr;
        }
        public void SetObj(object o)
        {
            propertyGridControl1.SelectedObject = o;
            this.Text = o.GetType().Name;
        }
        public void SetObj(IBaseViewModel selectedObject)
        {
            lock (selectedObject)
            {
                _selectedObject = selectedObject;


                if (_selectedObject is JunctionViewModel junc)
                {
                    _selectedType = MapObjectType.节点;
                    propertyGridControl1.SelectedObjects = new JunctionViewModel[] { junc };
                }
                else if (_selectedObject is ReservoirViewModel res)
                {
                    _selectedType = MapObjectType.水库;
                    propertyGridControl1.SelectedObjects = new ReservoirViewModel[] { res };
                }
                else if (_selectedObject is TankViewModel tank)
                {
                    _selectedType = MapObjectType.水池;
                    propertyGridControl1.SelectedObjects = new TankViewModel[] { tank };
                }
                else if (_selectedObject is PipeViewModel pipe)
                {
                    _selectedType = MapObjectType.管线;
                    propertyGridControl1.SelectedObjects = new PipeViewModel[] { pipe };
                }
                else if (_selectedObject is ValveViewModel valve)
                {
                    _selectedType = MapObjectType.阀门;
                    propertyGridControl1.SelectedObjects = new ValveViewModel[] { valve };
                }
                else if (_selectedObject is RepeaterViewModel repeater)
                {
                    _selectedType = MapObjectType.重复器;
                    propertyGridControl1.SelectedObjects = new RepeaterViewModel[] { repeater };
                }
                //水表
                else if (_selectedObject is MeterViewModel meter)
                {
                    _selectedType = MapObjectType.水表;
                    propertyGridControl1.SelectedObjects = new MeterViewModel[] { meter };
                }
                //水泵
                else if (_selectedObject is PumpViewModel pump)
                {
                    _selectedType = MapObjectType.水泵;
                    propertyGridControl1.SelectedObjects = new PumpViewModel[] { pump };
                }
                //喷头Nozzle
                else if (_selectedObject is NozzleViewModel nozzle)
                {
                    _selectedType = MapObjectType.喷头;
                    propertyGridControl1.SelectedObjects = new NozzleViewModel[] { nozzle };
                }
                else
                {
                    _selectedType = MapObjectType.全部;
                    propertyGridControl1.SelectedObjects = new IBaseViewModel[] { 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;
            RefreshListBox();
        }

        public void SetObjs(List<IBaseViewModel> selectedObjects)
        {
            if (selectedObjects == null) return;
            selectedObjects.RemoveAll(obj => obj == null);
            selectedObjects.ForEach(obj =>
            {
                if (obj.Tags == null)
                {
                    obj.Tags = new TagList();
                }

            });

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

            if (selectionSet.OnlyViewSelected)
                RefreshListBox();
        }

        private void PropertyForm_Load_1(object sender, EventArgs e)
        {
            foreach (var item in Enum.GetValues(typeof(MapObjectType)))
            {
                comboBox_type.Properties.Items.Add(item);
            }
            comboBox_type.SelectedIndex = 0;
            selectionSets = new List<SelectionSet>();
            selectionSet = new SelectionSet();
            this.listBoxControl1.DataSource = selectionSet.View;
        }

        private void comboBox_type_SelectedIndexChanged(object sender, EventArgs e)
        {
            RefreshListBox();
        }
        void RefreshListBox()
        {
            if (selectionSet == null) return;
            if (comboBox_type.Properties.Items.Count < 1)
            {
                foreach (var item in Enum.GetValues(typeof(MapObjectType)))
                {
                    comboBox_type.Properties.Items.Add(item);
                }
                comboBox_type.SelectedIndex = 0;
            }
            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;
              
            this.listBoxControl1.DataSource = null;
            this.listBoxControl1.DataSource = selectionSet.View;
             
        }

        private void listBox1_SelectedIndexChanged(object sender, EventArgs e)
        {

            if (this.listBoxControl1.SelectedItems.Count == 0)
            {
                return;
            }
            else if (this.listBoxControl1.SelectedItems.Count == 1)
            {
                var objID = this.listBoxControl1.SelectedItems[0];
                var findlist = selectionSet.net.MapObjects.FindAll(o => o.ID == objID);
                if (findlist.Count <= 0) return;
                IBaseViewModel mapObject = findlist[0];// selectionSet.selectedObjects.Find(obj => obj.ID == ((MapObject)this.listBoxControl1.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.SetMapInvalidate();
            }
            else
            {
                List<IBaseViewModel> list = new List<IBaseViewModel>();
                foreach (var o in this.listBoxControl1.SelectedItems)
                {
                    var objID = this.listBoxControl1.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.SetMapInvalidate();
            }

        }
        private void listBox1_DoubleClick(object sender, EventArgs e)
        {
            if (this.listBoxControl1.SelectedItems.Count == 1)
            { 
                var objID = this.listBoxControl1.SelectedItems[0];
                IBaseViewModel mapObject = selectionSet.net.MapObjects.FindAll(obj => obj.ID == objID)[0];
                GlobalObject.map.setCenter(mapObject);  
                GlobalObject.map.SetMapInvalidate();
            }
        }


        public void ShowProperties(IEnumerable<IBaseViewModel> selectedObjects)
        {
            IBaseViewModel[] objs = null;
            try
            {
                if (selectedObjects != null)
                    objs = selectedObjects.ToArray();
            }
            catch
            {
                return;
            }
            propertyGridControl1.SelectedObjects = objs;
        }

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

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

        private void label_lock_Click(object sender, EventArgs e)
        {
            var label_lock = (Label)sender;

            GlobalObject.LockSelect = !GlobalObject.LockSelect;
            if (GlobalObject.LockSelect)
            {
                label_lock.BackColor = Color.Blue;
                label_lock.Text = "🔒";
            }
            else
            {
                label_lock.BackColor = Color.Green;
                label_lock.Text = "🔓";
            }
        }
        private void label_filter_Click(object sender, EventArgs e)
        {
            var label_lock = (Label)sender;


            TagList tags = new TagList();
            var mobjs = selectionSet.OnlyViewSelected ? selectionSet.selectedObjects : selectionSet.net.MapObjects;
            foreach (var item in mobjs)
            {
                tags.AddRange(item.Tags);
            }
            var t = tags.Distinct().ToList();
            tags.Clear();
            tags.AddRange(t);
            var form = new FormFilter(tags);
            if (form.ShowDialog() == DialogResult.OK)
            {

                selectionSet.FilterTags = form.Tags;
                selectionSet.rules = form.rules;
                GlobalObject.ApplyFilter = selectionSet.FilterTags.Count > 0 || selectionSet.rules.Count > 0;
                if (GlobalObject.ApplyFilter)
                {

                    label_lock.BackColor = Color.Blue;
                    label_lock.Text = "⏬";
                }
                else
                {

                    label_lock.BackColor = Color.Green;
                    label_lock.Text = "🔽";
                }

                RefreshListBox();
            }

        }

        private void PropertyForm_KeyDown(object sender, KeyEventArgs e)
        {
            //Ctrl+A，则选中当前listbox中的所有项
            if (e.Control && e.KeyCode == Keys.A)
            {
                for (int i = 0; i < this.listBoxControl1.Items.Count; i++)
                {
                    this.listBoxControl1.SetSelected(i, true);
                }
            }
        }

        private void listBoxControl1_MouseDown(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Right)
            {
                this.popupMenuRight.ShowPopup(MousePosition);
            }

        }

        private void barBtnDelete_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            if (this.listBoxControl1.SelectedItems.Count == 1)
            { 
                GlobalObject.map.DeleteChoosedObj();
                RefreshListBox();
            }
        }


        #region Property


        //自定义属性Header显示
        private void propertyGridControl1_CustomDrawRowHeaderCell(object sender, CustomDrawRowHeaderCellEventArgs e)
        {
            //字段名称
            var fieldName = e.Row.Properties.FieldName.Split(new char[] { '.' }).Last();
            if (string.IsNullOrEmpty(fieldName))
            {
                return;
            }
            var realFieldName = fieldName;
            //属性描述器
            var descriptor = this.propertyGridControl1.GetPropertyDescriptor(e.Row);
            if (descriptor != null)
            {
                //名称
                var displayNameAttri = (DisplayNameAttribute)descriptor.Attributes[typeof(DisplayNameAttribute)];
                if (displayNameAttri != null && !string.IsNullOrEmpty(displayNameAttri.DisplayName))
                {
                    e.Caption = displayNameAttri.DisplayName;
                }
            }
        }

        //自定义属性值显示
        private void propertyGridControl1_CustomDrawRowValueCell(object sender, CustomDrawRowValueCellEventArgs e)
        {
            //行字段名称
            var fieldName = e.Row.Properties.FieldName.Split(new char[] { '.' }).Last();
            if (string.IsNullOrEmpty(fieldName))
            {
                return;
            }
            //行类型全名称
            var fullTypeName = e.Row.Properties.RowType.FullName;

            if (fullTypeName == typeof(DateTime).FullName)
            {
                e.CellText = ((DateTime)e.Properties.Value).ToString("yyyy-MM-dd HH:mm:ss");
            }
            else if (fullTypeName == typeof(string[]).FullName)
            {
                var stringValue = (string[])e.Properties.Value;
                e.CellText = stringValue?.Length.ToString();
            }
            else if (fullTypeName == typeof(DictionaryPropertyAdapter).FullName)
            {
                e.CellText = string.Empty;
            }
            else
            {
                var descriptor = this.propertyGridControl1.GetPropertyDescriptor(e.Row);
                if (descriptor != null)
                {
                    var displayUnitAttri = (DisplayUnitAttribute)descriptor.Attributes[typeof(DisplayUnitAttribute)];
                    if (displayUnitAttri != null)
                    {
                        if (e.Properties.Value != null)
                        {
                            e.CellText = e.Properties.Value.ToString() + " " + displayUnitAttri.Unit;
                        }
                    }
                }
            }
        }

        //属性编辑框的显示与取消
        private void propertyGridControl1_ShowingEditor(object sender, CancelEventArgs e)
        {
            var rowTypeFullName = this.propertyGridControl1.FocusedRow.Properties.RowType.FullName;
            var fieldName = this.propertyGridControl1.FocusedRow.Properties.FieldName.Split(new char[] { '.' }).Last();

            if (rowTypeFullName == typeof(Image).FullName)
            {
                e.Cancel = true;
                return;
            }

            var descriptor = this.propertyGridControl1.GetPropertyDescriptor(this.propertyGridControl1.FocusedRow); 
            var showEditor = (ShowEditorAttribute)descriptor.Attributes[typeof(ShowEditorAttribute)];
            if (showEditor != null)
            {
                if (!showEditor.ShowEditor)
                {
                    e.Cancel = true;
                    return;
                }
            }

        }

        //编辑框
        private void propertyGridControl1_CustomRecordCellEdit(object sender, GetCustomRowCellEditEventArgs e)
        {
            var fieldName = e.Row.Properties.FieldName.Split(new char[] { '.' }).Last();
            if (string.IsNullOrEmpty(fieldName))
            {
                return;
            }
            var descriptor = this.propertyGridControl1.GetPropertyDescriptor(e.Row);
            var rowTypeFullName = e.Row.Properties.RowType.FullName;

            #region bool

            if (rowTypeFullName == typeof(bool).FullName)
            {
                var ckEdit = new RepositoryItemCheckEdit();
                ckEdit.CheckStyle = DevExpress.XtraEditors.Controls.CheckStyles.Standard;
                if (e.Row.Properties.ReadOnly == true)
                {
                    ckEdit.ReadOnly = true;
                }
                e.RepositoryItem = ckEdit;
            }

            #endregion

            #region 富文本

            if (descriptor != null)
            {
                var attri_multi = (MultiTextAttribute)descriptor.Attributes[typeof(MultiTextAttribute)];
                if (attri_multi != null)
                {
                    var memoEdit = new RepositoryItemMemoEdit();
                    if (e.Row.Properties.ReadOnly == true)
                    {
                        memoEdit.ReadOnly = true;
                    }
                    e.RepositoryItem = memoEdit;
                }
            }

            #endregion

            #region 图片

            if (rowTypeFullName == typeof(Image).FullName)
            {
                var picEdit = new RepositoryItemPictureEdit();
                picEdit.ReadOnly = true;
                picEdit.NullText = "空";
                e.RepositoryItem = picEdit;
                e.Row.Expanded = true;
            }

            #endregion



        } 
        #endregion

    }

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

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

        public TagList FilterTags { get; set; } = new TagList();
        public List<Func<IBaseViewModel, bool>> rules = new List<Func<IBaseViewModel, bool>>();
        public List<MapObjectType> FilterTypes = new List<MapObjectType>();
        public MapViewNetWork net { get; set; } = null;
        public bool OnlyViewSelected { get; set; } = true;

        public List<IBaseViewModel> selectedObjects=new List<IBaseViewModel>();
        public List<IBaseViewModel> CurrentSelectedObjects=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);
                }
                
                if (FilterTags.Count>0)//使用表达式，对结果进行筛选
                {
                    foreach (var tag in FilterTags)
                    {
                        var filteredSets = from obj in list
                                           where obj.Tags.Contains(tag)
                                           select obj;
                        list = filteredSets?.ToList();
                    }                    
                }

                if(rules.Count>0)
                {
                    foreach (var rule in rules)
                    {
                        var filteredSets = from obj in list
                                           where rule(obj)
                                           select obj;
                        list = filteredSets?.ToList();
                    }
                }

                CurrentSelectedObjects = list;
                list_result = list.Select(o => o.ID).ToList();
                return list_result;


            }
        }
        

    }
    



}