///////////////////////////////////////////////////////////////////////////////
//
//  Microsoft Research Singularity
//
//  Copyright (c) Microsoft Corporation.  All rights reserved.
//
//  Note:
//

using FileSystem.Utils;
using System;
using System.Text;
using System.Threading;
using Microsoft.Singularity;
using Microsoft.Singularity.Directory;
using Microsoft.Singularity.Channels;
using Microsoft.Singularity.FileSystem;
using Microsoft.Singularity.V1.Services;

using Microsoft.Contracts;
using Microsoft.SingSharp.Reflection;
using Microsoft.Singularity.Applications;
using Microsoft.Singularity.Io;
using Microsoft.Singularity.Configuration;
[assembly: Transform(typeof(ApplicationResourceTransform))]

namespace Microsoft.Singularity.Applications
{
    [ConsoleCategory(HelpMessage="Create a Directory", DefaultAction=true)]
    internal class Parameters 
    {
        [InputEndpoint("data")]
        public readonly TRef<UnicodePipeContract.Exp:READY> Stdin;

        [OutputEndpoint("data")]
        public readonly TRef<UnicodePipeContract.Imp:READY> Stdout;

        [Endpoint]
        public readonly TRef<DirectoryServiceContract.Imp:Start> nsRef;

        [StringParameter( "DirName", Mandatory=true, Position=0, HelpMessage="Name of directory.")]
        internal string dirName;

        reflective internal Parameters();

        internal int AppMain() {
            return FsDeleteDirectory.AppMain(this);
        }
    }

    public class FsDeleteDirectory
    {
        internal static int AppMain(Parameters! config)
        {
            ErrorCode errorOut; 
            DirectoryServiceContract.Imp ds = ((!)config.nsRef).Acquire(); 
            if (ds == null) { 
                throw new Exception("Unable to acquire handle to the Directory Service root"); 
            } 
            ds.RecvSuccess();
            
            bool ok = SdsUtils.DeleteDirectory((!)config.dirName, ds, out errorOut); 
            if (ok) Console.WriteLine(config.dirName+" was deleted."); 
            else Console.WriteLine("delete failed. reason({0})",SdsUtils.ErrorCodeToString(errorOut));
            
            delete ds; 
            return  ok ? 0 : 1; 
        }

    } // class Test 
}