// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System.Diagnostics.CodeAnalysis;
using Aspire.Cli.Backchannel;
using Aspire.Cli.Interaction;
 
namespace Aspire.Cli.Utils;
 
internal class ExtensionHelper
{
    public static bool IsExtensionHost(
        IInteractionService interactionService,
        [NotNullWhen(true)] out IExtensionInteractionService? extensionInteractionService,
        [NotNullWhen(true)] out IExtensionBackchannel? extensionBackchannel)
    {
        if (interactionService is IExtensionInteractionService eis)
        {
            extensionInteractionService = eis;
            extensionBackchannel = eis.Backchannel;
            return true;
        }
 
        extensionInteractionService = null;
        extensionBackchannel = null;
        return false;
    }
}
 
internal static class KnownCapabilities
{
    public const string DevKit = "devkit";
    public const string Project = "project";
    public const string Node = "node";
    public const string BuildDotnetUsingCli = "build-dotnet-using-cli";
    public const string Baseline = "baseline.v1";
    public const string SecretPrompts = "secret-prompts.v1";
    public const string FilePickers = "file-pickers.v1";
    public const string Pipelines = "pipelines";
    public const string PipelineStepListJson = "pipeline-step-list-json.v1";
 
    // Advertised so tooling (e.g. the VS Code extension) can detect that `aspire describe`
    // understands the hidden `--include-disabled-commands` flag without having to optimistically
    // pass it and parse (localized) error output when an older CLI rejects it.
    public const string DescribeIncludeDisabledCommands = "describe-include-disabled-commands.v1";
 
    // Advertised so tooling can detect that `aspire ls --format json --stream` is supported
    // before opting into newline-delimited JSON candidate discovery.
    public const string LsJsonStream = "ls-json-stream.v1";
 
    public const string AppHostLogOutput = "apphost-log-output.v1";
 
    // Advertised so tooling can pass `aspire run --isolated` only to CLIs that understand it.
    public const string IsolatedLaunch = "isolated-launch.v1";
 
    // Advertised so tooling can pass `aspire run --launch-profile` only to CLIs that understand it.
    public const string LaunchProfile = "launch-profile.v1";
 
    /// <summary>
    /// Gets the set of capabilities this CLI advertises to extensions.
    /// </summary>
    public static string[] GetAdvertisedCapabilities() => [DevKit, Project, BuildDotnetUsingCli, Baseline, SecretPrompts, FilePickers, Pipelines, PipelineStepListJson, DescribeIncludeDisabledCommands, LsJsonStream, IsolatedLaunch, LaunchProfile];
}