using StgSharp.Geometries;
using StgSharp.Graphics;
using StgSharp.Controls;
using StgSharp.Controlling.UsrActivity;
using StgSharp.Math;

using System;
using System.Collections.Generic;
using System.Net;
using System.Text;

namespace StgSharp.Graphics
{
    /// <summary>
    /// ViewDesigner provides descriptions of various controls in the view, 
    /// binds the controls to specific user actions and behaviors, 
    /// and describes the layout and interactions of each control.
    /// </summary>
    public abstract class ViewDesigner<TView> where TView:View
     {
        protected TView _binding;

        private KeyboardButtonGroup currentButtonGroup;

        private List<ControllingItem> _controlList;

        public ViewDesigner()
        {
            _controlList = new List<ControllingItem>();
        }

        protected TView Binding
        {
            get => _binding;
        }

        public TButtonGroup CreateKeyboardButtonGroup<TButtonGroup>(
            ITrigger leftBidning,
            ITrigger rightBinding,
            ITrigger upBinding,
            ITrigger downBinding,
            ITrigger confirmBinding
            )
            where TButtonGroup : KeyboardButtonGroup,new()
        {
            var ret = new TButtonGroup();
            _controlList.Add(ret);
            currentButtonGroup = ret;
            _binding.Responder[leftBidning] = ret.MoveLeft;
            _binding.Responder[rightBinding] = ret.MoveRight;
            _binding.Responder[upBinding] = ret.MoveUp;
            _binding.Responder[downBinding] = ret.MoveDown;
            _binding.Responder[confirmBinding] = ret.Confirm;
            return ret;
        }

        public TriggerButton CreateKeyboardButton(
            Rectangle bonding, TextureProvider defaultAnimation, bool isEnable 
            )
        {
            var ret = new TriggerButton();
            ret.BoundingBox = bonding;
            if (isEnable)
            {
                ret.IsDisabled = false;
                ret.Enable();
            }
            else
            {
                ret.IsDisabled = true;
                ret.Disable();
            }
            currentButtonGroup.AddButton(ret);
            return ret;
        }
        
        public CharacterLineIndexImage CreateCharacterLine(
            int length, char blankFilling, PlainGeometryMesh tittle, IEnumerable<(char,PlainGeometryMesh)> charList
            )
        {
            var ret = new CharacterLineIndexImage(length, blankFilling,tittle,charList);
            _controlList.Add(ret);
            return ret;
        }

        public abstract void CustomizedInitialize();

        public abstract bool ValidateInitializing();

    }//---------------------------------- End of Class -----------------------------------------

}