using Jellyfin.Plugin.JRay.Services;
using Jellyfin.Plugin.JRay.Services.Interfaces;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Plugins;
using Microsoft.Extensions.DependencyInjection;

namespace Jellyfin.Plugin.JRay;

/// <summary>
/// Service registrator for dependency injection.
/// </summary>
public class ServiceRegistrator : IPluginServiceRegistrator
{
    /// <inheritdoc />
    public void RegisterServices(IServiceCollection serviceCollection, IServerApplicationHost applicationHost)
    {
        serviceCollection.AddSingleton<IManagedTruthStore, ManagedTruthStore>();
        serviceCollection.AddSingleton<ITruthDataService, TruthDataService>();
        serviceCollection.AddSingleton<IMediaPolicyStore, MediaPolicyStore>();

        // Singleton so per-server backoff state survives across requests: a
        // server that is down should be skipped for the whole sweep, not
        // retried once per item (JR-037).
        serviceCollection.AddSingleton<IManifestExchangeClient, ManifestExchangeClient>();

        // Registered concretely: there is no second implementation for an
        // interface to abstract over and nothing to gain from inventing one
        // (JR-042). The aligner consumes the signature on the fetch path, so a
        // manifest is checked against the local file before its windows are
        // stored (JR-047).
        serviceCollection.AddSingleton<AudioSignatureService>();
        serviceCollection.AddSingleton<ManifestAligner>();
    }
}