// Copyright (c) The Geekeey Authors
// SPDX-License-Identifier: EUPL-1.2

using System.CommandLine;
using System.CommandLine.Parsing;

using Geekeey.Actions.Core.Commands;

namespace Geekeey.Actions.Core;

internal sealed class Program : RootCommand
{
#pragma warning disable format // @formatter:off
	public static readonly Option<Uri> Server = new GitHubContextOption<Uri>("--server", env: "GITHUB_SERVER_URL"){CustomParser = Uri};
	public static readonly Option<string> Token = new GitHubContextOption<string>("--token", env: "GITHUB_TOKEN");
#pragma warning restore format // @formatter:on

	public static Uri? Uri(ArgumentResult result)
	{
		string value;
		if (!result.Tokens.Any())
		{
			value = Environment.GetEnvironmentVariable("GITHUB_SERVER_URL")!;
		}
		else
		{
			value = result.Tokens.Single().Value;
		}

		if (!System.Uri.TryCreate(value, UriKind.RelativeOrAbsolute, out var uri))
		{
			result.AddError("Not a valid URI.");
			return null;
		}

		return uri;
	}

	private Program()
	{
		Add(Server);
		Add(Token);

		Add(new Checkout());
	}

	private static Task<int> Main(string[] args)
	{
		return new Program().Parse(args).InvokeAsync();
	}
}