// 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.Runtime.CompilerServices;
using System.Runtime.InteropServices;

namespace Microsoft.Plugin.Program.Programs.ApplicationActivationHelper
{
    // Reference : https://github.com/MicrosoftEdge/edge-launcher/blob/108e63df0b4cb5cd9d5e45aa7a264690851ec51d/MIcrosoftEdgeLauncherCsharp/Program.cs
    [Flags]
    public enum ActivateOptions
    {
        None = 0x00000000,
        DesignMode = 0x00000001,
        NoErrorUI = 0x00000002,
        NoSplashScreen = 0x00000004,
    }

    // ApplicationActivationManager
    [ComImport]
    [Guid("2e941141-7f97-4756-ba1d-9decde894a3d")]
    [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
    public interface IApplicationActivationManager
    {
        IntPtr ActivateApplication([In] string appUserModelId, [In] string arguments, [In] ActivateOptions options, [Out] out uint processId);

        IntPtr ActivateForFile([In] string appUserModelId, [In] IntPtr /*IShellItemArray* */ itemArray, [In] string verb, [Out] out uint processId);

        IntPtr ActivateForProtocol([In] string appUserModelId, [In] IntPtr /* IShellItemArray* */itemArray, [Out] out uint processId);
    }

    // Application Activation Manager Class
    [ComImport]
    [Guid("45BA127D-10A8-46EA-8AB7-56EA9078943C")]
    public class ApplicationActivationManager : IApplicationActivationManager
    {
        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)/*, PreserveSig*/]
        public extern IntPtr ActivateApplication([In] string appUserModelId, [In] string arguments, [In] ActivateOptions options, [Out] out uint processId);

        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
        public extern IntPtr ActivateForFile([In] string appUserModelId, [In] IntPtr /*IShellItemArray* */ itemArray, [In] string verb, [Out] out uint processId);

        [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
        public extern IntPtr ActivateForProtocol([In] string appUserModelId, [In] IntPtr /* IShellItemArray* */itemArray, [Out] out uint processId);
    }
}