using System;
using System.Collections.Generic;

namespace AlicizaX.UI
{
    public abstract class UGListBase<TData, TAdapter> where TAdapter : Adapter<TData> where TData : ISimpleViewData
    {
        protected readonly RecyclerView _recyclerView;
        protected readonly TAdapter _adapter;

        public RecyclerView RecyclerView => _recyclerView;

        public UGListBase(RecyclerView recyclerView, TAdapter adapter)
        {
            _recyclerView = recyclerView;
            _adapter = adapter;

            if (_recyclerView != null)
            {
                _recyclerView.SetAdapter(_adapter);
            }
        }

        public TAdapter Adapter => _adapter;

        public void RegisterItemRender<TItemRender>(string viewName = "") where TItemRender : IItemRender
        {
            _adapter.RegisterItemRender<TItemRender>(viewName);
        }

        public void RegisterItemRender(Type itemRenderType, string viewName = "")
        {
            _adapter.RegisterItemRender(itemRenderType, viewName);
        }

        public bool UnregisterItemRender(string viewName = "")
        {
            return _adapter.UnregisterItemRender(viewName);
        }

        public void ClearItemRenderRegistrations()
        {
            _adapter.ClearItemRenderRegistrations();
        }

        private List<TData> _datas;

        public List<TData> Data
        {
            get => _datas;
            set
            {
                _datas = value;
                _adapter.SetList(_datas);
            }
        }
    }

    public class UGList<TData> : UGListBase<TData, Adapter<TData>> where TData : ISimpleViewData
    {
        public UGList(RecyclerView recyclerView)
            : base(recyclerView, new Adapter<TData>(recyclerView))
        {
        }
    }

    public class UGGroupList<TData> : UGListBase<TData, GroupAdapter<TData>> where TData : class, IGroupViewData, new()
    {
        public UGGroupList(RecyclerView recyclerView, string groupViewName)
            : base(recyclerView, new GroupAdapter<TData>(recyclerView, groupViewName))
        {
        }
    }

    public class UGLoopList<TData> : UGListBase<TData, LoopAdapter<TData>> where TData : ISimpleViewData, new()
    {
        public UGLoopList(RecyclerView recyclerView)
            : base(recyclerView, new LoopAdapter<TData>(recyclerView))
        {
        }
    }

    public class UGMixedList<TData> : UGListBase<TData, MixedAdapter<TData>> where TData : IMixedViewData
    {
        public UGMixedList(RecyclerView recyclerView)
            : base(recyclerView, new MixedAdapter<TData>(recyclerView))
        {
        }
    }

    public static class UGListCreateHelper
    {
        public static UGList<TData> Create<TData>(RecyclerView recyclerView) where TData : ISimpleViewData
            => new UGList<TData>(recyclerView);

        public static UGGroupList<TData> CreateGroup<TData>(RecyclerView recyclerView, string groupViewName) where TData : class, IGroupViewData, new()
            => new UGGroupList<TData>(recyclerView, groupViewName);

        public static UGLoopList<TData> CreateLoop<TData>(RecyclerView recyclerView) where TData : ISimpleViewData, new()
            => new UGLoopList<TData>(recyclerView);

        public static UGMixedList<TData> CreateMixed<TData>(RecyclerView recyclerView) where TData : IMixedViewData
            => new UGMixedList<TData>(recyclerView);
    }
}