using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Web;
using System.Web.Services;
using System.Data.SqlClient;
using System.Web.Script.Services;
using System.Data;
using System.Text;
using System.IO.Compression;


namespace BackupService
{
    /// <summary>
    ///BackupService 的摘要描述
    /// </summary>
    [WebService(Namespace = "https://thinkyustaff.com/")]
    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
    [System.ComponentModel.ToolboxItem(false)]
    [System.Web.Script.Services.ScriptService]
    public class BackupService : System.Web.Services.WebService
    {

        [WebMethod]
        public string BackupTable()
        {
            string filePath = Server.MapPath("~/SQL");
            Directory.CreateDirectory(filePath);
            BackupWorker worker = new BackupWorker();
            worker.DataPath = filePath;
            worker.Begin();

            return "OK";
        }

        [WebMethod]
        public string BackupOneTable(string tableName)
        {
            string filePath = Server.MapPath("~/SQL");
            Directory.CreateDirectory(filePath);
            BackupWorker worker = new BackupWorker();
            worker.DataPath = filePath;
            worker.BackupOneTable(tableName);

            return "OK";
        }

        [WebMethod]
        [ScriptMethod]
        public List<FileList> GetFileList(string path)
        {
            var result = new List<FileList>();
            ListFiles(path, result);
            return result;
        }


        private void ListFiles(string path, List<FileList> fileLists)
        {
            var newPath = new FileList();
            newPath.Path = path;
            foreach (var file in Directory.GetFiles(path))
            {
                newPath.FileNames.Add(Path.GetFileName(file));
            }
            fileLists.Add(newPath);

            foreach (var dir in Directory.GetDirectories(path))
            {
                ListFiles(dir, fileLists);
            }
        }


        [WebMethod]
        [ScriptMethod]
        public string GetFile(string path)
        {
            return Convert.ToBase64String(File.ReadAllBytes(path));
        }

        [Serializable]
        public class FileList
        {
            public string Path { get; set; }
            public List<string> FileNames { get; set; }

            public FileList()
            {
                FileNames = new List<string>();
            }
        }

        public class TableItem
        {
            public string TableName { get; set; }
            public bool HasIdentity { get; set; }
        }
    }
}