/*
 * Jellyfin.Plugin.Webdav
 * Copyright (C) 2025 Jellyfin contributors
 * Licensed under GPLv3
 */
namespace Jellyfin.Plugin.Webdav
{
    using System.IO;
    using System.Threading;
    using System.Threading.Tasks;
    using MediaBrowser.Controller;
    using MediaBrowser.Controller.Library;
    using MediaBrowser.Model.Configuration;
    using Microsoft.Extensions.Hosting;

    /// <summary>
    /// Hosted service that registers the WebDAV cache as a virtual folder on startup.
    /// </summary>
    public sealed class WebDavSyncService : IHostedService
    {
        private readonly IServerApplicationPaths appPaths;
        private readonly ILibraryManager libraryManager;

        /// <summary>
        /// Initializes a new instance of the <see cref="WebDavSyncService"/> class.
        /// </summary>
        /// <param name="appPaths">Server application paths.</param>
        /// <param name="libraryManager">Library manager.</param>
        public WebDavSyncService(IServerApplicationPaths appPaths, ILibraryManager libraryManager)
        {
            this.appPaths = appPaths;
            this.libraryManager = libraryManager;
        }

        /// <inheritdoc/>
        public async Task StartAsync(CancellationToken cancellationToken)
        {
            var localRoot = Path.Combine(this.appPaths.DefaultUserViewsPath, "WebDAV");
            Directory.CreateDirectory(localRoot);

            var options = new LibraryOptions();
            await this.libraryManager
                .AddVirtualFolder("WebDAV", null, options, true)
                .ConfigureAwait(false);
        }

        /// <inheritdoc/>
        public Task StopAsync(CancellationToken cancellationToken) => Task.CompletedTask;
    }
}