// Copyright (c) Microsoft Corporation
// The Microsoft Corporation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Principal;

using Windows.Management.Deployment;
using Wox.Plugin.Logger;

using Package = Windows.ApplicationModel.Package;

namespace Microsoft.Plugin.Program.Programs
{
    public class PackageManagerWrapper : IPackageManager
    {
        private readonly PackageManager _packageManager;

        public PackageManagerWrapper()
        {
            _packageManager = new PackageManager();
        }

        public IEnumerable<IPackage> FindPackagesForCurrentUser()
        {
            var user = WindowsIdentity.GetCurrent().User;

            return user != null
                ? _packageManager.FindPackagesForUser(user.Value).Select(TryGetWrapperFromPackage).Where(package => package != null)
                : Enumerable.Empty<IPackage>();
        }

        private static PackageWrapper TryGetWrapperFromPackage(Package package)
        {
            try
            {
                return PackageWrapper.GetWrapperFromPackage(package);
            }
            catch (Exception e)
            {
                Log.Error(e.Message, typeof(PackageManagerWrapper));
            }

            return null;
        }
    }
}
