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.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;
using Tango.MachineService.Views.FSEDownloads;
using Tango.BL.Enumerations;

namespace Tango.MachineService.Controllers
{
    public class FSEDownloadsController : Controller
    {
        public ActionResult Index(int? buildVariant = 0)
        {
            IndexViewModel model = new IndexViewModel();

            using (var db = ObservablesWebContext.CreateContext())
            {
                int build = buildVariant.Value;

                var versions = db.FseVersions.Where(x => x.BuildVariant == build).ToList().OrderByDescending(x => Version.Parse(x.Version)).Take(6).ToList();

                var manager = new BlobStorageManager();
                var container = manager.GetContainer(MachineServiceConfig.FSE_VERSIONS_CONTAINER);

                String appName = ((FSEBuildVariants)build) == FSEBuildVariants.FSE ? "Tango FSE" : "Twine Studio";

                ViewBag.BuildName = appName;

                foreach (var item in versions)
                {
                    var installerBlob = container.GetBlockBlobReference(item.InstallerBlobName);

                    model.Downloads.Add(new FSEDownload()
                    {
                        Name = $"{appName} v{Version.Parse(item.Version).ToString(3)}",
                        Version = Version.Parse(item.Version).ToString(3),
                        Comments = item.Comments,
                        Date = item.LastUpdated.ToString("dddd, dd MMMM yyyy"),
                        Address = MachineServiceConfig.CDN_ENDPOINT + installerBlob.Uri.AbsolutePath
                    });
                }

                if (model.Downloads.Count > 0)
                {
                    var latest = model.Downloads.First();
                    model.Downloads.Remove(latest);
                    model.LatestDownload = latest;
                }
            }

            return View(model);
        }
    }
}