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

namespace TProduct.Common
{
    public class AccessDataSetHelper
    {
        //Access数据库路径
        public static string GetDsFilePath()
        {
            var dataFolder = TProduct.GlobeParas.DataFolder;
            string strDsFilePath = System.Configuration.ConfigurationManager.AppSettings["DsFilePathXPump"];//先读取是否有APP.config中是否有数据库路径配置
            if (string.IsNullOrEmpty(strDsFilePath))
                strDsFilePath = System.IO.Path.Combine(dataFolder, DsFileName);
            if (System.IO.File.Exists(strDsFilePath))
            {
                return strDsFilePath;
            }

   
            return strDsFilePath;
            //throw new Exception(strDsFilePath + ":文件不存在");
        }

        //在Data文件夹下SPump1.zip,解压到Data: 切换公司, 数据库放在Data文件夹下
        public static bool ZipDsFile(string zipFilePath, string dsFilePath)
        {
            if (!System.IO.File.Exists(zipFilePath))
                return true;
            string dsTempFilePath = "";
            try
            {
                string tempPath = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "temp");
                if (!System.IO.Directory.Exists(tempPath))
                {
                    System.IO.Directory.CreateDirectory(tempPath);
                }


                dsTempFilePath = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "temp", DsFileName);
                if (System.IO.File.Exists(dsTempFilePath))
                {
                    System.IO.File.Delete(dsTempFilePath);
                }


                //
                TProduct.Common.ZipFileHelper.Decompression(zipFilePath, tempPath, true);
 
            }
            catch //(Exception)
            {
                //XtraMessageBox.Show("数据库文件加压失败! 数据库文件无法升级, 错误代码Error:557");
                return false;
            }

 

            try
            {
                System.IO.File.Copy(dsTempFilePath, dsFilePath, true);
            }
            catch // (Exception ex)
            {
               // XtraMessageBox.Show("您是否没有管理员权限？ 数据库文件无法升级,错误代码Error:590,信息:", ex.Message);
                return false;
            }
 

            return true;
        }

        /// <summary>
        /// 检查数据库文件
        /// </summary>
        /// <returns></returns>
        public static bool CheckFile(out string ds_file_path)
        {
            ds_file_path = GetDsFilePath();
            if (System.IO.File.Exists(ds_file_path))
            {//检查Data下有没有SPump1.zip,解压此文件
                return true;
            }
            //特殊情况zip, 放在Data文件夹下,不放在根目录下
            string zip_file = System.IO.Path.Combine(TProduct.GlobeParas.DataFolder, TProduct.Common.AccessDataSetHelper.DsZipFileName);
            if (!System.IO.File.Exists(zip_file))
            {
                return false ;
            }

            if (TProduct.Common.AccessDataSetHelper.ZipDsFile(zip_file, ds_file_path))
            {//解压文件
                return true ;
            }
            else
            {
                return false;
            }
        }
        public static string DsFileName
        {
            get
            {
                return "TProduct.mdb";
            }
        }

        public static string DsZipFileName
        {
            get
            {
                return "SPump1.zip";
            }
        }
    }
}