/******************************
* 说明：数据库连接参数配置类
* 创建人：龚宇超
* 创建日期：2017-07-24
* 修改人：
* 修改日期：
* 修改备注：
* 版本：1.0.0.0
******************************/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.Win32;
using System.Data.SqlClient;
using System.Data;
using System.Net;
using System.Net.Sockets;
using System.Threading;
using System.Diagnostics;

namespace Lskj.Core
{
    /// <summary>
    /// 数据库连接参数配置类
    /// </summary>
    public sealed class DBConfig
    {
        private static string _regKey = "AA_LS_Erp V2.0";
        private static DBConfig _instance = null;
        /// <summary>
        /// DBConfig静态单例对象
        /// </summary>
        /// <value>The instance.</value>
        public static DBConfig Instance
        {
            get
            {
                if (_instance == null)
                {
                    _instance = new DBConfig();
                    _instance.ReadConfig();

                    _instance.WriteConfig();
                }
                return _instance;
            }
        }

        /// <summary>
        /// 数据库名
        /// </summary>
        public string DataBase;
        /// <summary>
        /// 帐套
        /// </summary>
        public string DataBook;
        /// <summary>
        /// 服务器名
        /// </summary>
        public string ServerName;
        /// <summary>
        /// 登录名
        /// </summary>
        public string LoginName;
        /// <summary>
        /// 文件升级标志
        /// </summary>
        public bool UpdateSet;
        ///<summary>
        ///智能客户端启动
        ///</summary>
        public bool SmallClient;
        /// <summary>
        /// 内外外网标志
        /// </summary>
        public bool Internet;

        /// <summary>
        /// <para>说明：读取注册表配置</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-08-07 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        public void ReadConfig()
        {
            RegistryKey regKey = Registry.CurrentUser;
            RegistryKey subKey = regKey.OpenSubKey(_regKey);
            subKey = subKey.OpenSubKey("File");

            DataBase = subKey.GetValue("datastr", "") + "";
            ServerName = subKey.GetValue("ServerName", "") + "";
            LoginName = subKey.GetValue("LoginName", "") + "";
            UpdateSet = subKey.GetValue("UpdateSet", "0") + "" == "1" || subKey.GetValue("UpdateSet", "0") + "" == "True" ? true : false;
            SmallClient = subKey.GetValue("SmallClient", "0") + "" == "1" || subKey.GetValue("SmallClient", "0") + "" == "True" ? true : false;
            Internet = subKey.GetValue("Internet", "1") + "" == "0" ? true : false;
            
            try
            {
                DataBook = subKey.GetValue("DataBook", "") + "";
            }
            catch (Exception)
            {
                
            }
        }
        /// <summary>
        /// <para>说明：写配置</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-08-07 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        public void WriteConfig()
        {
            RegistryKey regKey = Registry.CurrentUser;
            RegistryKey subKey = regKey.OpenSubKey(_regKey);
            subKey = subKey.OpenSubKey("File", true);
            subKey.SetValue("datastr", DataBase);
            subKey.SetValue("ServerName", ServerName);
            subKey.SetValue("LoginName", LoginName);
            subKey.SetValue("UpdateSet", UpdateSet);
            subKey.SetValue("SmallClient", SmallClient);
            subKey.SetValue("DataBook", DataBook);
            subKey.Close();
        }
        /// <summary>
        /// <para>说明：获取C#连接字符串</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-08-07 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <returns>System.String.</returns>
        public string GetConnection()
        {
            return string.Format("Server={0};Database={1};Persist Security Info=True;User ID=lserpAdmin;Password=lserp110;Connection Timeout=5", ServerName, DataBase);
        }
        /// <summary>
        /// <para>说明：获取delphi连接字符串</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-08-07 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <returns>System.String.</returns>
        public string GetDelphiConnection()
        {
            return string.Format("Provider=SQLOLEDB.1;Server={0};Database={1};Persist Security Info=True;User ID=lserpAdmin;Password=lserp110;Connection Timeout=5", ServerName, DataBase);
        }
        /// <summary>
        /// <para>说明：获取</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2018-03-28 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <returns>System.String.</returns>
        public string GetLsCrmConnection()
        {
            return Internet ? "Server=192.168.0.10,14330;Database=lscrm;Persist Security Info=True;User ID=Lserp_crm;Password=lserp_ERP_@#$_123;Connection Timeout=5"
                                      : "Server=lsucrm.ticp.net,14330;Database=lscrm;Persist Security Info=True;User ID=Lserp_crm;Password=lserp_ERP_@#$_123;Connection Timeout=5";
        }
        /// <summary>
        /// <para>说明：创建数据库连接</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-08-07 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
        public bool CreateConnection()
        {
            string connStr = GetConnection();
            if (SqlHelper._connection != null)
            {
                try
                {
                    SqlHelper._connection.Close();
                    SqlHelper._connection.Dispose();
                }
                catch (Exception)
                {
                }
                SqlHelper._connection = null;
            }
            try
            {
                SqlHelper._connection = new SqlConnection(connStr);
                SqlHelper._connection.Open();

                return true;
            }
            catch (Exception ex)
            {
            }
            return false;
        }
    }
}