using System.IO;
using System.Linq;
using System.Web.Mvc;
using DataModel.Models;
using DataModel.Process;
using DataModel.ViewModels;
using WebInterface.Helpers;
using WebInterface.Hubs;

namespace WebInterface.Controllers
{
    /// <summary>
    /// JDE search controller
    /// </summary>
    [Authorize]
    public class SearchController : CrudController
    {
        // GET: Search
        public ActionResult Index()
        {
            return View();
        }

        // GET: Search/GetSearches
        public JsonNetResult GetSearches()
        {
            return new JsonNetResult()
            {
                Data = LotFinderDB.GetUserSearches(CurrentUser.Username).OrderByDescending(s => s.StartDT),
                JsonRequestBehavior = JsonRequestBehavior.AllowGet
            };
        }

        // GET: Search/Queue
        public ActionResult Queue()
        {
            return View();
        }

        // GET: Search/GetQueue
        public JsonNetResult GetQueue()
        {
            return new JsonNetResult()
            {
                Data = LotFinderDB.GetQueuedSearches(),
                JsonRequestBehavior = JsonRequestBehavior.AllowGet
            };
        }

        // GET: Search/Create
        public ActionResult Create()
        {
            return View();
        }

        // GET: Search/GetSearch/id
        public JsonNetResult GetSearch(int? id)
        {
            SearchViewModel searchViewModel = null;

            if (id.HasValue)
            {
                searchViewModel = new SearchViewModel(LotFinderDB.GetSearch(id.Value));
            }
            else
            {
                searchViewModel = new SearchViewModel()
                {
                    UserName = CurrentUser.Username,
                    Status = SearchStatus.New
                };
            }

            return new JsonNetResult()
            {
                Data = searchViewModel,
                JsonRequestBehavior = JsonRequestBehavior.AllowGet
            };
        }

        // GET: Search/CopySearch/id
        public JsonNetResult CopySearch(int? id)
        {
            SearchViewModel searchViewModel = null;

            if (id.HasValue)
            {
                searchViewModel = new SearchViewModel(LotFinderDB.GetSearch(id.Value));
            }
            else
            {
                searchViewModel = new SearchViewModel()
                {
                    UserName = CurrentUser.Username
                };
            }

            searchViewModel.Status = SearchStatus.New;
            searchViewModel.UserName = CurrentUser.Username;
            searchViewModel.SubmitDT = null;
            searchViewModel.StartDT = null;
            searchViewModel.EndDT = null;

            return new JsonNetResult()
            {
                Data = searchViewModel,
                JsonRequestBehavior = JsonRequestBehavior.AllowGet
            };
        }

        // POST: Search/Save
        [HttpPost]
        public JsonNetResult Save(SearchViewModel viewModel)
        {
            //Convert view model to standard model
            Search search = viewModel.ToModel();

            //Save search details to DB
            int searchID = LotFinderDB.SubmitSearch(search);
            search.ID = searchID;

            try
            {
                //Publish new search
                SearchUpdate searchUpdate = new SearchUpdate(search);
                StatusHub.ContextInstance.Value.Clients.All.searchUpdate(searchUpdate);
            }
            catch
            {
                //Do nothing
            }

            //Reload session details and return them
            return new JsonNetResult()
            {
                Data = searchID
            };
        }

        // GET: Search/GetResults/id
        public FileStreamResult GetResults(int id)
        {
            //Load results from database
            byte[] data = LotFinderDB.GetSearchResults(id);

            //Convert results to in-memory stream
            MemoryStream memoryStream = new MemoryStream(data);

            //Return data
            return new FileStreamResult(memoryStream, "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet")
            {
                FileDownloadName = "search_results.xlsx"
            };
        }
    }
}