using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Jellyfin.Plugin.Webdav;
using Jellyfin.Plugin.Webdav.Configuration;

namespace Jellyfin.Plugin.Webdav.Controllers
{
    /// <summary>
    /// Controller for streaming WebDAV media.
    /// </summary>
    [Route("WebDav/[controller]")]
    public class StreamController : ControllerBase
    {
        private readonly WebDavClientService _webDavClientService;
        private readonly PluginConfiguration _config;

        /// <summary>
        /// Initializes a new instance of the <see cref="StreamController"/> class.
        /// </summary>
        /// <param name="webDavClientService">The WebDAV client service.</param>
        /// <param name="config">The plugin configuration.</param>
        public StreamController(WebDavClientService webDavClientService, PluginConfiguration config)
        {
            _webDavClientService = webDavClientService;
            _config = config;
        }

        /// <summary>
        /// Streams the file at the given WebDAV path.
        /// </summary>
        /// <param name="path">The relative path under the configured root.</param>
        [HttpGet("{*path}")]
        public async Task<IActionResult> Get(string path)
        {
            var fullPath = $"{_config.RootPath.TrimEnd('/')}/{path}";
            var stream = await _webDavClientService.GetStreamAsync(fullPath).ConfigureAwait(false);
            return File(stream, "application/octet-stream");
        }
    }
}