using Aitex.Core.Util;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Xml;

namespace MECF.Framework.Common.ToolLayout
{
    public class BufferItemManager : Singleton<BufferItemManager>
    {
        #region 常量
        /// <summary>
        /// 前缀
        /// </summary>
        private const string PREFIX = "Buffer";
        #endregion
        #region 内部变量
        /// <summary>
        /// 字典
        /// </summary>
        private Dictionary<string,BufferItem> _bufferItemDictionary=new Dictionary<string, BufferItem>();
        #endregion

        #region 属性
        /// <summary>
        /// 已经安装模块
        /// </summary>
        public List<string> InstalledModules { get; private set; } = new List<string>();
        #endregion

        /// <summary>
        /// 初始化Buffer Item
        /// </summary>
        /// <param name="bufferItemElement"></param>
        public void InitializeBufferItem(XmlElement bufferItemElement)
        {
            BufferItem bufferItem = new BufferItem();
            bufferItem.CellType = "Buffer";
            LayoutCellItemManager.Instance.InitializeLayoutCellItem(bufferItem, bufferItemElement);
            bufferItem.BufferID = int.Parse(bufferItemElement.SelectSingleNode("BufferID").InnerText);
            string key = $"{PREFIX}{bufferItem.BufferID}";
            bufferItem.ModuleName = key;
            if(bufferItem.Installed&&!InstalledModules.Contains(key))
            {
                InstalledModules.Add(key);
            }
            _bufferItemDictionary[key] = bufferItem;
            CellItemManager.Instance.InitialLayoutCellItem(bufferItem);
        }
        /// <summary>
        /// 获取BufferItem对象
        /// </summary>
        /// <param name="moduleName"></param>
        /// <returns></returns>
        public BufferItem GetBufferItem(string moduleName)
        {
            return _bufferItemDictionary.ContainsKey(moduleName) ? _bufferItemDictionary[moduleName] : null;
        }
    }
}