// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

using Microsoft.Extensions.CommandLineUtils;
using Microsoft.Extensions.Tools.Internal;

namespace Microsoft.AspNetCore.Authentication.JwtBearer.Tools;

internal sealed class RemoveCommand
{
    public static void Register(ProjectCommandLineApplication app)
    {
        app.Command("remove", cmd =>
        {
            cmd.Description = Resources.RemoveCommand_Description;

            var idArgument = cmd.Argument("[id]", Resources.RemoveCommand_IdArgument_Description);

            var appsettingsFileOption = cmd.Option(
                "--appsettings-file",
                Resources.CreateCommand_appsettingsFileOption_Description,
                CommandOptionType.SingleValue);

            cmd.HelpOption("-h|--help");

            cmd.OnExecute(() =>
            {
                if (idArgument.Value is null)
                {
                    cmd.ShowHelp();
                    return 0;
                }

                if (!DevJwtCliHelpers.GetProjectAndSecretsId(cmd.ProjectOption.Value(), cmd.Reporter, out var project, out var userSecretsId))
                {
                    return 1;
                }

                if (!DevJwtCliHelpers.GetAppSettingsFile(project, appsettingsFileOption.Value(), cmd.Reporter, out var appsettingsFile))
                {
                    return 1;
                }

                return Execute(cmd.Reporter, project, userSecretsId, idArgument.Value, appsettingsFile);
            });
        });
    }

    private static int Execute(IReporter reporter, string project, string userSecretsId, string id, string appsettingsFile)
    {
        var jwtStore = new JwtStore(userSecretsId);

        if (!jwtStore.Jwts.TryGetValue(id, out var jwt))
        {
            reporter.Error(Resources.FormatRemoveCommand_NoJwtFound(id));
            return 1;
        }

        var appsettingsFilePath = Path.Combine(Path.GetDirectoryName(project), appsettingsFile);
        JwtAuthenticationSchemeSettings.RemoveScheme(appsettingsFilePath, jwt.Scheme);
        jwtStore.Jwts.Remove(id);
        jwtStore.Save();

        reporter.Output(Resources.FormatRemoveCommand_Confirmed(id));

        return 0;
    }
}