namespace Nexus.Api.Services;

public static class AgentIdentityCatalog
{
    public static readonly string[] DefaultConfiguredAgentIds =
    [
        "main",
        "iris",
        "product-owner",
        "programmer",
        "programmer-fast",
        "reviewer",
        "architekt",
        "researcher",
        "executor"
    ];

    private static readonly string[] WorkflowActorIds =
    [
        "bao",
        "nexus-system"
    ];

    public static IReadOnlySet<string> BuildAllowedActorIds(IEnumerable<string> configuredAgentIds)
    {
        var ids = new HashSet<string>(WorkflowActorIds, StringComparer.OrdinalIgnoreCase);
        foreach (var configuredAgentId in configuredAgentIds)
        {
            if (!string.IsNullOrWhiteSpace(configuredAgentId))
                ids.Add(configuredAgentId.Trim().ToLowerInvariant());
        }

        return ids;
    }

    public static string? NormalizeActorId(string? actorId, IReadOnlySet<string> allowedActorIds)
    {
        if (string.IsNullOrWhiteSpace(actorId))
            return null;

        var normalized = actorId.Trim().ToLowerInvariant();
        return allowedActorIds.Contains(normalized) ? normalized : null;
    }
}