using System;
using AlicizaX.ObjectPool;
using UnityEngine;

namespace AlicizaX.UI.RecyclerView
{
    public sealed class SimpleViewProvider : ViewProvider
    {

        public SimpleViewProvider(RecyclerView recyclerView, ViewHolder[] templates) : base(recyclerView, templates)
        {

        }

        public override ViewHolder GetTemplate(string viewName = "")
        {
            if (templates == null || templates.Length == 0)
            {
                throw new NullReferenceException("ViewProvider templates can not null or empty.");
            }

            return templates[0];
        }

        public override ViewHolder[] GetTemplates()
        {
            if (templates == null || templates.Length == 0)
            {
                throw new NullReferenceException("ViewProvider templates can not null or empty.");
            }

            return templates;
        }

        public override ViewHolder Allocate(string viewName)
        {
            return ViewHolderObjectPool.Allocate(GetTemplate(),recyclerView.Content);
        }

        public override void Free(string viewName, ViewHolder viewHolder)
        {
            ViewHolderObjectPool.Free(viewHolder);
        }

        public override void Reset()
        {
            Clear();
        }

    }
}