using System;
using System.Collections.Generic;
using System.Xml;

namespace Common
{
    public class XmlHelper
    {

        /// <summary>
        /// 将XML内容转换成目标对象实体集合
        /// </summary>
        /// <typeparam name="T">目标对象实体</typeparam>
        /// <param name="FileName">完整文件名(根目录下只需文件名称)</param>
        /// <param name="WrapperNodeName"></param>
        /// <returns></returns>
        public static List<T> ConvertXMLToObject<T>(string FileName, string WrapperNodeName = "UrlSetting")
        {
            XmlDocument doc = new XmlDocument();
            doc.Load(FileName);
            List<T> result = new List<T>();
            var TType = typeof(T);
            XmlNodeList nodeList = doc.ChildNodes;
            if (!string.IsNullOrEmpty(WrapperNodeName))
            {
                foreach (XmlNode node in doc.ChildNodes)
                {
                    if (node.Name == WrapperNodeName)
                    {
                        nodeList = node.ChildNodes;
                        break;
                    }
                }
            }
            object oneT = null;
            foreach (XmlNode node in nodeList)
            {
                if (node.NodeType == XmlNodeType.Comment || node.NodeType == XmlNodeType.XmlDeclaration) continue;
                oneT = TType.Assembly.CreateInstance(TType.FullName);
                foreach (XmlNode item in node.ChildNodes)
                {
                    if (item.NodeType == XmlNodeType.Comment) continue;
                    var property = TType.GetProperty(item.Name);
                    if (property != null)
                        property.SetValue(oneT, Convert.ChangeType(item.InnerText, property.PropertyType), null);
                }
                result.Add((T)oneT);
            }
            return result;
        }

        ///// <summary>
        ///// 从作业数据地图中获取配置信息
        ///// </summary>
        ///// <param name="datamap">作业数据地图</param>
        ///// <returns></returns>
        //public static FCSConfig GetConfigFromDataMap(JobDataMap datamap)
        //{
        //    FCSConfig config = new FCSConfig();
        //    var properties = typeof(FCSConfig).GetProperties();
        //    foreach (PropertyInfo info in properties)
        //    {
        //        if (info.PropertyType == typeof(string))
        //            info.SetValue(config, datamap.GetString(info.Name), null);
        //        else if (info.PropertyType == typeof(Int32))
        //            info.SetValue(config, datamap.GetInt(info.Name), null);
        //    }
        //    return config;
        //}
    }
}