using System;
using System.IO;
using System.Web;
using System.Web.Mvc;
using Kreta.BusinessLogic.Helpers.ImportExport;
using Kreta.BusinessLogic.Security;
using Kreta.Core;
using Kreta.Core.Exceptions;
using Kreta.Enums.ManualEnums;
using Kreta.Resources;
using Kreta.Web.Areas.ImportExport.Models.OrarendImportExport;
using Kreta.Web.Classes;
using Kreta.Web.Controllers;
using Kreta.Web.Helpers;
using Kreta.Web.Security;

namespace Kreta.Web.Areas.ImportExport.Controllers
{
    [MvcRoleClaimsAuthorize(true)]
    [MvcRolePackageDenyAuthorize(KretaClaimPackages.IsOnlyAlkalmozott.ClaimValue, KretaClaimPackages.IsSzirIntezmeny.ClaimValue)]
    [MvcRolePackageAuthorize(TanevEnum.AktEsKovTanev, KretaClaimPackages.Adminisztrator.ClaimValue)]
    public class OrarendAscExcelConvertController : BaseOrarendImportExportController
    {
        #region Properties

        public static string ConrtollerName => "OrarendAscExcelConvert";

        #endregion Properties

        #region Constructors

        public OrarendAscExcelConvertController(IUploadFileValidator uploadFileValidator)
        {
            UploadFileValidator = uploadFileValidator ?? throw new ArgumentNullException(nameof(uploadFileValidator));
        }

        #endregion Constructors

        public ActionResult Index()
        {
            OrarendImportExportModel model = GetImportExportModel();
            return View(model);
        }

        public JsonResult UploadFile(HttpPostedFileBase importFile)
        {
            UploadFileValidator.ValidateFile(importFile, UploadFileValidator.Configuration.ImportMaxAllowedFileSizeInBytes, UploadFileValidator.Configuration.AscImportAllowedFileExtensions);

            try
            {
                string fileName = importFile.FileName.Substring(0, importFile.FileName.LastIndexOf('.'));
                MemoryStream memoryStream;
                try
                {
                    memoryStream = new AscImportExportHelper(ConnectionTypeExtensions.GetSessionConnectionType()).ConvertAscXmlToExcel(importFile.InputStream);
                }
                catch (BlException e)
                {
                    return Json(new { ErrorString = e.Message });
                }

                Guid guid = Cache.Add(memoryStream);
                string fileString = Url.Action(nameof(CacheController.DownloadFile), nameof(CacheController).Replace("Controller", ""), new { guid, fileName = $"{fileName}.xlsx", contentType = Core.Constants.ContentTypes.Xlsx, area = "" });
                return Json(new { FileString = fileString });
            }
            catch
            {
                return Json(new { ErrorString = ErrorResource.HibaTortentAFajlFeltolteseKozben });
            }
        }
    }
}