using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml;
using CY.Infrastructure.Logging;

namespace CY.Config
{
    /// <summary>
    /// 获取配置基类
    /// </summary>
    public abstract class BaseConfig
    {
        protected static object lockHelper = new object();

        protected BaseConfig()
        {
            this.Init();
        }

        /// <summary>
        /// 获取配置的某个节点的值
        /// </summary>
        /// <param name="xml"></param>
        /// <param name="nodeName"></param>
        /// <returns></returns>
        protected string GetNodeValue(XmlDocument xml, string nodeName)
        {
            XmlNodeList elementsByTagName = xml.GetElementsByTagName(nodeName);
            if (elementsByTagName.Count > 0)
            {
                return elementsByTagName[0].InnerText.Trim();
            }
            return "";
        }

        /// <summary>
        /// 获取配置的某个节点的值
        /// </summary>
        /// <param name="xml"></param>
        /// <param name="nodeName"></param>
        /// <returns></returns>
        protected string GetNodeValue(XmlElement xml, string nodeName)
        {
            XmlNodeList elementsByTagName = xml.GetElementsByTagName(nodeName);
            if (elementsByTagName.Count > 0)
            {
                return elementsByTagName[0].InnerText.Trim();
            }
            return "";
        }

        /// <summary>
        /// 加载配置文件，并实例化相应的对象
        /// </summary>
        protected abstract void Init();

        /// <summary>
        /// 刷新
        /// </summary>
        public void Refresh()
        {
            this.Init();
        }

        /// <summary>
        /// 设置配置的某个节点的值
        /// </summary>
        /// <param name="xml"></param>
        /// <param name="nodeName"></param>
        /// <param name="value"></param>
        protected void SetNodeValue(XmlDocument xml, string nodeName, bool value)
        {
            XmlNodeList elementsByTagName = xml.GetElementsByTagName(nodeName);
            if (elementsByTagName.Count > 0)
            {
                elementsByTagName[0].InnerText = value.ToString();
            }
        }
        /// <summary>
        /// 设置配置的某个节点的值
        /// </summary>
        /// <param name="xml"></param>
        /// <param name="nodeName"></param>
        /// <param name="value"></param>
        protected void SetNodeValue(XmlDocument xml, string nodeName, decimal value)
        {
            XmlNodeList elementsByTagName = xml.GetElementsByTagName(nodeName);
            if (elementsByTagName.Count > 0)
            {
                elementsByTagName[0].InnerText = value.ToString();
            }
        }
        /// <summary>
        /// 设置配置的某个节点的值
        /// </summary>
        /// <param name="xml"></param>
        /// <param name="nodeName"></param>
        /// <param name="value"></param>
        protected void SetNodeValue(XmlDocument xml, string nodeName, int value)
        {
            XmlNodeList elementsByTagName = xml.GetElementsByTagName(nodeName);
            if (elementsByTagName.Count > 0)
            {
                elementsByTagName[0].InnerText = value.ToString();
            }
        }
        /// <summary>
        /// 设置配置的某个节点的值
        /// </summary>
        /// <param name="xml"></param>
        /// <param name="nodeName"></param>
        /// <param name="value"></param>
        protected void SetNodeValue(XmlDocument xml, string nodeName, float value)
        {
            XmlNodeList elementsByTagName = xml.GetElementsByTagName(nodeName);
            if (elementsByTagName.Count > 0)
            {
                elementsByTagName[0].InnerText = value.ToString();
            }
        }
        /// <summary>
        /// 设置配置的某个节点的值
        /// </summary>
        /// <param name="xml"></param>
        /// <param name="nodeName"></param>
        /// <param name="value"></param>
        protected void SetNodeValue(XmlDocument xml, string nodeName, string value)
        {
            XmlNodeList elementsByTagName = xml.GetElementsByTagName(nodeName);
            if (elementsByTagName.Count > 0)
            {
                elementsByTagName[0].InnerText = value;
            }
        }
        /// <summary>
        /// 设置配置的某个节点的值
        /// </summary>
        /// <param name="xml"></param>
        /// <param name="nodeName"></param>
        /// <param name="value"></param>
        protected void SetNodeValue(XmlElement xml, string nodeName, string value)
        {
            XmlNodeList elementsByTagName = xml.GetElementsByTagName(nodeName);
            if (elementsByTagName.Count > 0)
            {
                elementsByTagName[0].InnerText = value;
            }
        }
        /// <summary>
        /// 更新配置
        /// </summary>
        /// <returns></returns>
        public abstract bool Update();

        /// <summary>
        /// 记录错误日志
        /// </summary>
        /// <param name="ex"></param>
        protected void WirteLog(Exception ex)
        {
            LoggingFactory.GetLogger().Log(ex);
        }
    }
}