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 LoaderItemManager : Singleton<LoaderItemManager>
    {
        #region 常量
        /// <summary>
        /// 前缀
        /// </summary>
        private const string PREFIX = "Loader";
        #endregion
        #region 内部变量
        /// <summary>
        /// 字典
        /// </summary>
        private Dictionary<string,LoaderItem> _loaderItemDictionary=new Dictionary<string, LoaderItem>();
        #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Loader Item
        /// </summary>
        /// <param name="xmlElement"></param>
        public void InitializeLoaderItem(XmlElement xmlElement)
        {
            LoaderItem loaderItem = new LoaderItem();
            loaderItem.CellType = "Buffer";
            LayoutCellItemManager.Instance.InitializeLayoutCellItem(loaderItem, xmlElement);
            loaderItem.LoaderID = int.Parse(xmlElement.SelectSingleNode("LoaderID").InnerText);
            string key = $"{PREFIX}{loaderItem.LoaderID}";
            loaderItem.ModuleName = key;
            if(loaderItem.Installed&&!InstalledModules.Contains(key))
            {
                InstalledModules.Add(key);
            }
            _loaderItemDictionary[key] = loaderItem;
        }
        /// <summary>
        /// 获取LoaderItem对象
        /// </summary>
        /// <param name="moduleName"></param>
        /// <returns></returns>
        public LoaderItem GetLoaderItem(string moduleName)
        {
            return _loaderItemDictionary.ContainsKey(moduleName) ? _loaderItemDictionary[moduleName] : null;
        }
    }
}