#region CPL License
/*
Nuclex.NAnt.Tasks
Copyright (C) 2009 Nuclex Development Labs

This library is free software; you can redistribute it and/or
modify it under the terms of the IBM Common Public License as
published by the IBM Corporation; either version 1.0 of the
License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
IBM Common Public License for more details.

You should have received a copy of the IBM Common Public
License along with this library
*/
#endregion

using System;
using System.Collections.Generic;
using System.IO;
using System.Text;

using Microsoft.Win32;

using NAnt.Core;
using NAnt.Core.Attributes;

namespace Nuclex.NAnt.Tasks {

  /// <summary>Commits changes to a working copy into a subversion repository</summary>
  [TaskName("subversion-commit")]
  public class SubversionCommitTask : Task {

    /// <summary>Initializes a new subversion commit task</summary>
    public SubversionCommitTask() {
      this.fromDirectory = new DirectoryInfo(".");
    }

    /// <summary>Directory from which the working copy will be committed</summary>
    [TaskAttribute("fromdir"), StringValidator(AllowEmpty = false)]
    public DirectoryInfo FromDirectory {
      get { return this.fromDirectory; }
      set { this.fromDirectory = value; }
    }

    /// <summary>Message describing the changes being committed</summary>
    [TaskAttribute("message")]
    public string Message {
      get { return this.message; }
      set { this.message = value; }
    }

    /// <summary>Name of the user with which to access the subversion repository</summary>
    [TaskAttribute("username")]
    public string UserName {
      get { return this.userName; }
      set { this.userName = value; }
    }

    /// <summary>Password by which to log in to the subversion repository</summary>
    [TaskAttribute("password")]
    public string Password {
      get { return this.password; }
      set { this.password = value; }
    }

    /// <summary>Executes the task</summary>
    protected override void ExecuteTask() {
      this.Log(
        Level.Info,
        "Committing '{0}'.",
        this.fromDirectory.FullName
      );

      StringBuilder commandLineBuilder = new StringBuilder(256);
      commandLineBuilder.AppendFormat("commit");

      if(this.userName != null) {
        commandLineBuilder.AppendFormat(" --username {0}", this.userName);
      }
      if(this.password != null) {
        commandLineBuilder.AppendFormat(" --password {0}", this.password);
      }
      if(this.message != null) {
        commandLineBuilder.AppendFormat(" --message \"{0}\"", this.message);
      }

      commandLineBuilder.AppendFormat(
        " --no-auth-cache --non-interactive --trust-server-cert {0}",
        this.fromDirectory.FullName
      );

      try {
        Subversion.Run(this.fromDirectory.FullName, commandLineBuilder.ToString());
      }
      catch(InvalidOperationException exception) {
        throw new BuildException(
          "Error during Subversion commit operation: " + exception.Message,
          this.Location
        );
      }
    }

    /// <summary>Directory to extract to</summary>
    private DirectoryInfo fromDirectory;

    /// <summary>User name by which to log in to the subversion repository</summary>
    private string userName;
    /// <summary>Password to use for logging in to the subversion repository</summary>
    private string password;
    /// <summary>The commit message in which the changes are described</summary>
    private string message;

  }

} // namespace Nuclex.NAnt.Tasks