using System;
using System.Collections.Generic;

namespace TyphoonUI
{
    /// <summary>
    /// 池集合
    /// </summary>
    public class ScrollCellPoolGroup
    {
        private Dictionary<string, ScrollCellPool> _pools = new Dictionary<string, ScrollCellPool>();

        public Dictionary<string, ScrollCellPool> Pools => _pools;

        public ScrollCellPoolGroup()
        {
        }

        public void AddPool(string name, ScrollCellPool pool)
        {
            _pools.Add(name, pool);
        }

        //获取池
        public ScrollCellPool GetPool(string poolName)
        {
            if (_pools.TryGetValue(poolName, out var match))
            {
                return match;
            }

            throw new Exception($"未绑定池：{poolName}");
        }

        //释放所有
        public void Release()
        {
            foreach (var pair in _pools)
            {
                pair.Value.Release();
            }

            _pools.Clear();
            _pools = null;
        }

        //回收无效元素
        public void RecycleInvalid(int startIndex, int endIndex, HashSet<int> validIndex)
        {
            foreach (var pair in _pools)
            {
                pair.Value.RecycleInvalid(startIndex, endIndex, validIndex);
            }
        }

        //回收全部
        public void RecycleAll()
        {
            foreach (var pair in _pools)
            {
                pair.Value.RecycleAll();
            }
        }
    }
}