MetricFactory.cs

// Generated By: Claude Code (Claude Opus 4.7)
using NINA.Profile.Interfaces;
using System;
using System.Linq;

namespace NINA.Plugin.PrometheusExporter;


internal sealed class MetricFactory
{
    private readonly IProfileService _profileService;
    private readonly string _hostName;

    public MetricFactory(IProfileService profileService)
    {
        _profileService = profileService;
        _hostName = Environment.MachineName ?? Constants.Unknown;
    }

    public string ProfileName => _profileService?.ActiveProfile?.Name ?? Constants.Unknown;
    public string HostName => _hostName;

    public string[] LabelNames(params string[] extra) =>
        new[] { Constants.LabelProfileName, Constants.LabelHostName }.Concat(extra).ToArray();

    public string[] LabelValues(params string[] extra) =>
        new[] { ProfileName, _hostName }.Concat(extra).ToArray();
}