using LJProxy.Services;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.FileProviders;
using Microsoft.Extensions.Primitives;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using System.Web;

namespace LJProxy.Providers
{
    public class L1SvrFileProvider : IFileProvider
    {
        private string _contentRoot;
        private LJClientPoolService _ljClient;
        private string _token;
        IHttpContextAccessor _accessor;
        public L1SvrFileProvider(string contentRoot, LJClientPoolService ljClient,IHttpContextAccessor accessor)
        {
            _contentRoot = contentRoot;
            _ljClient = ljClient;
            _accessor = accessor;
        }

        public IDirectoryContents GetDirectoryContents(string subpath)
        {
            throw new NotImplementedException();
        }

        public IFileInfo GetFileInfo(string subpath)
        {
            string physicSubpath = subpath.Replace("/","\\");
            int suffixIndex = physicSubpath.IndexOf(DocumentSuffix);
            if (suffixIndex > 0)
            {
                string fileExtension = Path.GetExtension(physicSubpath);
                physicSubpath = physicSubpath.Substring(0, suffixIndex);
                physicSubpath = physicSubpath + fileExtension;
            }
            physicSubpath = HttpUtility.UrlDecode(physicSubpath);
            string directory = @$"{_contentRoot}\wwwroot";
            var fullFilepath = @$"{directory}{physicSubpath}";
            _token = _accessor.HttpContext.Request.Headers["Authorization"];
            var result = new L1SvrFileInfo(fullFilepath, physicSubpath,_ljClient.Pool,_token);
            return result;
        }

        private readonly static string DocumentSuffix = "$27BAljSuffix!";


        public IChangeToken Watch(string filter)
        {
            throw new NotImplementedException();
        }
    }
}