using System.CommandLine;

namespace StellaOps.Policy.Tools;

public static class PolicySimulationSmokeApp
{
    public static async Task<int> RunAsync(string[] args)
    {
        var runner = new PolicySimulationSmokeRunner();
        var root = PolicySimulationSmokeCommand.Build(runner);
        var parseResult = root.Parse(args, new ParserConfiguration());
        var invocationConfiguration = new InvocationConfiguration();
        using var cancellationSource = new CancellationTokenSource();
        ConsoleCancelEventHandler? handler = (_, e) =>
        {
            e.Cancel = true;
            cancellationSource.Cancel();
        };
        Console.CancelKeyPress += handler;

        try
        {
            if (parseResult.Errors.Count > 0)
            {
                await parseResult.InvokeAsync(invocationConfiguration, cancellationSource.Token);
                return 64; // EX_USAGE
            }

            return await parseResult.InvokeAsync(invocationConfiguration, cancellationSource.Token);
        }
        finally
        {
            Console.CancelKeyPress -= handler;
        }
    }
}