using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using Tango.BL;
using Tango.MachineService.Filters;
using Tango.MachineService.Models;
using Tango.MachineService.Views.Downloads;
using Tango.Web.Helpers;
using System.Data.Entity;
using Tango.Web.Storage;
using System.IO;
using Microsoft.WindowsAzure.Storage.Blob;
using System.Net.Http;
using System.Net;
using System.Net.Http.Headers;
using System.Net.Mime;

namespace Tango.MachineService.Controllers
{
    public class DownloadsController : Controller
    {
        [Authorize]
        public ActionResult Index()
        {
            List<DownloadModel> downloads = new List<DownloadModel>();

            using (ObservablesContext db = ObservablesContextHelper.CreateContext())
            {
                foreach (var item in db.MachineStudioVersions.Where(x => x.InstallerBlobName != null).Include(x => x.User).Include(x => x.User.Contact).ToList())
                {
                    DownloadModel download = new DownloadModel();
                    download.App = DownloadModel.DownloadApp.MachineStudio;
                    download.ID = item.InstallerBlobName;
                    download.Name = $"Machine Studio v{item.Version}.exe";
                    download.Version = item.Version;
                    download.User = item.User.Contact.FullName;
                    download.Date = item.LastUpdated;
                    download.Comments = item.Comments;

                    downloads.Add(download);
                }

                foreach (var item in db.TangoVersions.Where(x => x.InstallerBlobName != null).Include(x => x.User).Include(x => x.User.Contact).ToList())
                {
                    DownloadModel download = new DownloadModel();
                    download.App = DownloadModel.DownloadApp.PPC;
                    download.ID = item.InstallerBlobName;
                    download.Name = $"PPC v{item.VersionAndTag}.exe";
                    download.Version = item.Version;
                    download.User = item.User.Contact.FullName;
                    download.Date = item.LastUpdated;
                    download.Comments = item.Comments;

                    downloads.Add(download);
                }
            }

            downloads = downloads.OrderByDescending(x => x.Date).ToList();

            IndexViewModel model = new IndexViewModel();
            model.Downloads = downloads;

            return View(model);
        }

        [Authorize]
        public ActionResult Download(String blobName, DownloadModel.DownloadApp downloadApp)
        {
            CloudBlobContainer container = null;

            var manager = new BlobStorageManager();

            if (downloadApp == DownloadModel.DownloadApp.MachineStudio)
            {
                container = manager.GetContainer(MachineServiceConfig.MACHINE_STUDIO_VERSIONS_CONTAINER);
            }
            else
            {
                container = manager.GetContainer(MachineServiceConfig.TANGO_VERSIONS_CONTAINER);
            }

            var blob = container.GetBlockBlobReference(blobName);
            var signature = blob.GenerateReadSignature(TimeSpan.FromMinutes(10));
            return Redirect(signature);
        }
    }
}