using System;

using System.IO;

using SourceSafeTypeLib;



namespace Cyotek.SourceSafeSvnMigration

{

  public static class VssUtilities

  {

  #region  Public Class Methods  



    public static bool DoesProjectContainSubProjects(IVSSItem project)

    {

      bool result;



      if (project == null)

        throw new ArgumentNullException("project");



      if (!project.IsProject())

        throw new ArgumentException("project");



      result = false;



      foreach (IVSSItem childItem in project.Items)

      {

        if (childItem.IsProject())

        {

          result = true;

          break;

        }

      }



      return result;

    }



    public static string GetLocalPath(string path, IVSSItem vssFile, Int32 num_chars_to_chop_in_vss_path)

    {

      string specPath = vssFile.Spec.Substring(num_chars_to_chop_in_vss_path);



	  specPath = specPath.Replace("/", @"\");

      if (specPath.StartsWith(@"\"))

        specPath = specPath.Substring(1, specPath.Length - 1);



      return Path.Combine(path, specPath);

    }



    public static bool IsFileCheckedOut(this IVSSItem item)

    {

      return (item.IsCheckedOut != (int)VSSFileStatus.VSSFILE_NOTCHECKEDOUT);

    }



    public static bool IsProject(this IVSSItem item)

    {

      return (item.Type == (int)VSSItemType.VSSITEM_PROJECT);

    }



    public static VSSDatabase OpenDatabase(string database, string username, string password)

    {

      VSSDatabase ssDatabase;



      if (!string.IsNullOrEmpty(database) && !database.ToLower().EndsWith("srcsafe.ini"))

        database = Path.Combine(database, "srcsafe.ini");



      ssDatabase = new VSSDatabase();

      ssDatabase.Open(string.IsNullOrEmpty(database) ? null : database, string.IsNullOrEmpty(username) ? null : username, string.IsNullOrEmpty(password) ? null : password);



      return ssDatabase;

    }



    public static VSSDatabase OpenDatabase(VssConnectionSettings connectionSettings)

    {

      if (connectionSettings == null)

        throw new ArgumentNullException("connectionSettings");



      return VssUtilities.OpenDatabase(connectionSettings.Database, connectionSettings.UserName, connectionSettings.Password);

    }



    public static bool TestConnection(VssConnectionSettings connectionSettings)

    {

      Exception ex;



      return VssUtilities.TestConnection(connectionSettings, out ex);

    }



    public static bool TestConnection(VssConnectionSettings connectionSettings, out Exception ex)

    {

      if (connectionSettings == null)

        throw new ArgumentNullException("connectionSettings");



      return VssUtilities.TestConnection(connectionSettings.Database, connectionSettings.UserName, connectionSettings.Password, out ex);

    }



    public static bool TestConnection(string database, string username, string password)

    {

      Exception ex;



      return VssUtilities.TestConnection(database, username, password, out ex);

    }



    public static bool TestConnection(string database, string username, string password, out Exception ex)

    {

      VSSDatabase ssDatabase;



      ssDatabase = null;

      ex = null;



      try

      {

        ssDatabase = VssUtilities.OpenDatabase(database, username, password);

        ssDatabase.Close();

      }

      catch (Exception e)

      {

        ex = e;

      }



      return ssDatabase != null;

    }



  #endregion  Public Class Methods  

  }

}