using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Xml;

namespace Mesnac.Equips.Connection.MPI
{
    public partial class SetConfigForm : Form, Mesnac.Equips.Connection.ConnConfig
    {
        #region 单例模式
        private static SetConfigForm _this;
        public static SetConfigForm Instance
        {
            get
            {
                if (null == _this)
                    _this = new SetConfigForm();
                return _this;
            }
        }
        #endregion

        public SetConfigForm()
        {
            InitializeComponent();
        }

        ConnType thisConnType = new ConnType();

        private void button1_Click(object sender, EventArgs e)
        {
            try
            {
                thisConnType.Rack = Convert.ToInt32(this.txtRack.Text);
                thisConnType.Slot = Convert.ToInt32(this.txtSlot.Text);
                thisConnType.MPI = Convert.ToInt32(this.txtMPI.Text);
                this.Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        #region SetConfig GetConfig

        public Connection.ConnType SetConfig(Connection.ConnType connType)
        {
            ConnType Result = new ConnType();
            if (connType != null)
            {
                Result = (ConnType)connType;
            }
            this.txtRack.Text = Result.Rack.ToString();
            this.txtSlot.Text = Result.Slot.ToString();
            this.txtMPI.Text = Result.MPI.ToString();
            this.ShowDialog();
            return thisConnType;
        }

        private bool GetFirstNodeValue(XmlNode node, string path, string attribute, bool throwException, out string value)
        {
            value = string.Empty;
            try
            {
                value = node.SelectNodes(path)[0].Attributes[attribute.ToLower()].Value.ToString();
            }
            catch (Exception ex)
            {
                if (throwException)
                {
                    throw (ex);
                }
                return false;
            }
            return true;
        }
        private bool GetNodeAttributeValue(XmlNode node, string attribute, bool throwException, out string value)
        {
            value = string.Empty;
            try
            {
                value = node.Attributes[attribute.ToLower()].Value.ToString();
            }
            catch (Exception ex)
            {
                if (throwException)
                {
                    throw (ex);
                }
                return false;
            }
            return true;
        }
        public Connection.ConnType GetConfig(XmlNode node)
        {
            ConnType Result = new ConnType();
            string rack = "0";
            string slot = "2";
            string mpi = "3";
            GetFirstNodeValue(node, ".//Rack[@value]", "value", true, out rack);
            GetFirstNodeValue(node, ".//Slot[@value]", "value", true, out slot);
            GetFirstNodeValue(node, ".//MPI[@value]", "value", true, out mpi);
            Result.Rack = Convert.ToInt32(rack);
            Result.Slot = Convert.ToInt32(slot);
            Result.MPI = Convert.ToInt32(mpi);
            return Result;
        }
        #endregion
    }

    public class ConnType : Mesnac.Equips.Connection.ConnType
    {
        public ConnType()
        {
            this.Rack = 0;  //机架号默认为0
            this.Slot = 2;  //槽号默认为2
            this.MPI = 3;   //MPI地址默认为3
        }
        /// <summary>
        /// 机架号
        /// </summary>
        public int Rack { get; set; }
        /// <summary>
        /// 槽号
        /// </summary>
        public int Slot { get; set; }
        /// <summary>
        /// MPI地址
        /// </summary>
        public int MPI { get; set; }
    }
}