using System;
using System.Collections.Generic;
using System.Linq;
using AlicizaX.ObjectPool;
using UnityEngine;

namespace AlicizaX.UI.RecyclerView
{
    public class MixedViewProvider : ViewProvider
    {
        [SerializeField] private ViewHolder chatLeftViewHolder;
        [SerializeField] private ViewHolder chatRightViewHolder;

        private Dictionary<string, ViewHolder> dict = new();

        public MixedViewProvider(RecyclerView recyclerView, ViewHolder[] templates) : base(recyclerView, templates)
        {
            foreach (var template in templates)
            {
                dict[template.name] = template;
            }
        }

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

            return dict[viewName];
        }

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

            return dict.Values.ToArray();
        }

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

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

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