using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using AIStudio.Wpf.DiagramDesigner.Models;

namespace AIStudio.Wpf.DiagramDesigner
{
    public class BlockDesignerItemViewModel : DesignerItemViewModelBase
    {
        public BlockDesignerItemViewModel()
        {
        }

        public BlockDesignerItemViewModel(IDiagramViewModel root) : base(root)
        {
        }

        public BlockDesignerItemViewModel(IDiagramViewModel root, SelectableItemBase designer) : base(root, designer)
        {
        }

        public BlockDesignerItemViewModel(IDiagramViewModel root, SerializableItem serializableItem, string serializableType) : base(root, serializableItem, serializableType)
        {
        }

        protected override void InitNew()
        {
            AddConnector(new BlockConnectorInfo(this.Root, this, ConnectorOrientation.Top));
            AddConnector(new BlockConnectorInfo(this.Root, this, ConnectorOrientation.Bottom));
        }

        public BlockDesignerItemViewModel Next
        {
            get;set;
        }

        public void AddNext(BlockDesignerItemViewModel next)
        {
            next.Left = this.Left;
            next.Top = this.Top + this.ItemHeight;
            next.ParentId = this.Id;
            next.Parent = this;
            this.Next = next;
            if (next.Next != null)
            {
                next.AddNext(next.Next);
            }
        }

        public override void AddToSelection(bool selected, bool clearother)
        {
            if (clearother)
            {
                foreach (SelectableDesignerItemViewModelBase item in Root.SelectedItems.ToList())
                {
                    if (item != this)
                    {
                        item.RemoveFromSelection();
                    }
                }
            }

            IsSelected = selected;
        }
    }
}