using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace YG.Lib
{
    public class XmlLib
    {


        private static XmlLib xml = new XmlLib();
        public static XmlLib Instance { get { return xml; } }

        /// <summary>
        /// 保存对象到xml文件中
        /// </summary>
        /// <typeparam name="T">需要序列化的对象的名称</typeparam>
        /// <param name="ob">对象实体</param>
        /// <param name="xmlpath">需要保存对象的xml的路径</param>
        /// <returns></returns>
        public bool XmlSave<T>(object ob, string xmlpath)
        {
            try
            {
                System.Xml.Serialization.XmlSerializer serializer = new System.Xml.Serialization.XmlSerializer(typeof(T));
                System.IO.Stream stream = new System.IO.FileStream(xmlpath, System.IO.FileMode.OpenOrCreate, System.IO.FileAccess.ReadWrite);
                serializer.Serialize(stream, ob);
                stream.Close();
                return true;
            }
            catch (Exception e)
            {
                Log.Instance.WriteLogAdd($"35-->{e.Message}");
                return false;
            }
        }
        /// <summary>
        /// 打开xml对象 
        /// </summary>
        /// <typeparam name="T">需要转换的对象类型</typeparam>
        /// <param name="xmlpath">config路径</param>
        /// <returns></returns>
        public T XmlOpen<T>(string xmlpath)
        {
            T t;
            try
            {
                if (System.IO.File.Exists(xmlpath))
                {

                    System.Xml.Serialization.XmlSerializer serializer = new System.Xml.Serialization.XmlSerializer(typeof(T));
                    System.IO.Stream stream = new System.IO.FileStream(xmlpath, System.IO.FileMode.OpenOrCreate);
                    t = (T)serializer.Deserialize(stream);
                    stream.Close();
                    return t;
                }
                else
                {
                    //需要添加一个提示信息， 或者写入日志的操作
                    return default(T);
                }
            }
            catch(Exception e)
            {
                Log.Instance.WriteLogAdd($"67-->{ e.Message}");
                return default(T);
            }
            // return t
        }
    }
}