/*
 * Jellyfin.Plugin.Webdav
 * Copyright (C) 2025 Jellyfin contributors
 * Licensed under GPLv3
 */
namespace Jellyfin.Plugin.Webdav
{
    using System;
    using System.Collections.Generic;
    using System.IO;
    using System.Net;
    using System.Threading.Tasks;
    using Jellyfin.Plugin.Webdav.Configuration;
    using WebDav;

    /// <summary>
    /// Service for interacting with WebDAV endpoints.
    /// </summary>
    public sealed class WebDavClientService
    {
        private readonly PluginConfiguration _config;
        private readonly WebDavClient _client;

        /// <summary>
        /// Initializes a new instance of the <see cref="WebDavClientService"/> class.
        /// </summary>
        /// <param name="config">Plugin configuration.</param>
        public WebDavClientService(PluginConfiguration config)
        {
            _config = config;
            var parameters = new WebDavClientParams
            {
                BaseAddress = new Uri(_config.BaseUrl.TrimEnd('/')),
                Credentials = new NetworkCredential(_config.Username, _config.Password),
                PreAuthenticate = true
            };
            _client = new WebDavClient(parameters);
        }

        /// <summary>
        /// Lists resources at the specified WebDAV path.
        /// </summary>
        /// <param name="path">Remote path.</param>
        /// <returns>A collection of WebDAV resources.</returns>
        public async Task<IEnumerable<dynamic>> ListAsync(string path)
        {
            var response = await _client.Propfind(path).ConfigureAwait(false);
            return response.Resources;
        }

        /// <summary>
        /// Gets a raw file stream from the WebDAV endpoint.
        /// </summary>
        /// <param name="path">Remote file path.</param>
        /// <returns>A stream for the remote file.</returns>
        public async Task<Stream> GetStreamAsync(string path)
        {
            var response = await _client.GetRawFile(path).ConfigureAwait(false);
            return response.Stream;
        }
    }
}