using System;
using System.Collections.Generic;
using System.Linq;
using System.Security;
using System.Security.Claims;
using System.Threading;
using System.Web;

namespace Neo.LegitimateLicences.Api
{
    /// <summary>
    /// Summary description for BlobDownload
    /// </summary>
    public class BlobDownload : IHttpHandler
    {
        public void ProcessRequest(HttpContext context)
        {
            ////#region Check security
            //todo re-enable!!!!
            ////var currentUser = (ClaimsIdentity)Thread.CurrentPrincipal.Identity;

            ////if (currentUser != null)
            ////{
            ////    var userClaim = currentUser.Claims.Where(a => a.Type == "UserID").FirstOrDefault();
            ////    var companyClaim = currentUser.Claims.Where(a => a.Type == "CompanyDetailID").FirstOrDefault();

            ////    if (userClaim == null || companyClaim == null)
            ////    {
            ////        throw new Exception("Security error downloading file");
            ////    }
            ////}
            ////else
            ////{
            ////    throw new Exception("Security error downloading file");
            ////}
            ////#endregion

            var targetContainer = "";
            if (context.Request.QueryString["targetContainer"] != null)
            {
                targetContainer = context.Request.QueryString["targetContainer"];
            }
            
            var file = context.Request.QueryString["file"];            
            
            ////var bs = new BlobStorage(targetContainer);
            ////var fileBlob = bs.DownloadFile(file);

            ////var fileName = fileBlob.FullName;
            ////if (context.Request.QueryString["fileName"] != null)
            ////{
            ////    fileName = context.Request.QueryString["fileName"].ToString();                
            ////}

            ////var clientFileName = fileBlob.Name;
            ////if (!String.IsNullOrEmpty(clientFileName))
            ////{
            ////    fileName = clientFileName;
            ////}

            ////context.Response.ClearHeaders();
            ////context.Response.ClearContent();
            ////context.Response.AddHeader("Content-Disposition", " attachment; filename=" + fileName);
            ////context.Response.SetCookie(new HttpCookie("fileExport", "true") { Path = "/" });
            
            ////context.Response.AddHeader("Content-Length", fileBlob.Content.Length.ToString());
            ////context.Response.ContentType = fileBlob.MimeType;
            ////context.Response.Charset = "UTF-8";
            ////context.Response.BinaryWrite(fileBlob.Content);
            context.Response.Flush();
            context.Response.Clear();
        }

        public bool IsReusable
        {
            get
            {
                return false;
            }
        }
    }
}