using System.IO;
using Jellyfin.Plugin.RedditComments.Services;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Plugins;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;

namespace Jellyfin.Plugin.RedditComments;

/// <summary>
/// Registers the plugin's services in the Jellyfin DI container.
/// </summary>
public class PluginServiceRegistrator : IPluginServiceRegistrator
{
    /// <inheritdoc />
    public void RegisterServices(IServiceCollection serviceCollection, IServerApplicationHost applicationHost)
    {
        serviceCollection.AddSingleton<RateLimiter>();
        serviceCollection.AddSingleton(sp => new RedditClient(sp.GetRequiredService<ILogger<RedditClient>>(), sp.GetRequiredService<RateLimiter>()));

        // The path is resolved inside the factory (not eagerly here) because the host's service
        // provider does not exist yet while RegisterServices is running.
        serviceCollection.AddSingleton(sp =>
        {
            var dbPath = Path.Combine(
                sp.GetRequiredService<IApplicationPaths>().PluginConfigurationsPath,
                "RedditComments",
                "reddit-comments.db");
            return new CommentCache(dbPath, sp.GetRequiredService<ILogger<CommentCache>>());
        });

        serviceCollection.AddSingleton(sp => new RedditCommentsService(
            sp.GetRequiredService<ILogger<RedditCommentsService>>(),
            sp.GetRequiredService<RedditClient>(),
            sp.GetRequiredService<CommentCache>()));

        serviceCollection.AddHostedService<WebScriptInjector>();
    }
}