using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using Kreta.BusinessLogic.Classes;
using Kreta.BusinessLogic.HelperClasses;
using Kreta.BusinessLogic.Helpers;
using Kreta.BusinessLogic.Interfaces;
using Kreta.BusinessLogic.Security;
using Kreta.Enums;
using Kreta.Web.Areas.Adatszolgaltatasok.Models;
using Kreta.Web.Helpers;
using Kreta.Web.ModelBinder.Mvc;
using Kreta.Web.Models.EditorTemplates;
using Kreta.Web.Security;

namespace Kreta.Web.Areas.Adatszolgaltatasok.Controllers
{
    [MvcRoleClaimsAuthorize(true)]
    [MvcRolePackageAuthorize(KretaClaimPackages.Adminisztrator.ClaimValue)]
    public class SZIRStatController : Controller
    {
        private readonly IFileServiceHelper fileServiceHelper;

        public SZIRStatController(IFileServiceHelper fileServiceHelper)
        {
            this.fileServiceHelper = fileServiceHelper ?? throw new ArgumentNullException(nameof(fileServiceHelper));
        }

        public ActionResult Index()
        {
            var panelBarBaseModel = new PanelBarBaseModel { PanelName = "SZIRStatPanel" };
            var panelBarChildModelList = new List<PanelBarChildModel>();

            SZIRStatHelper szirStatHelper = new SZIRStatHelper(ConnectionTypeExtensions.GetSessionConnectionType());
            var szirStatTipusok = Enum.GetValues(typeof(SzirStatTipusEnum)).OfType<SzirStatTipusEnum>().ToList();

            foreach (SzirStatTipusEnum szirStatTipus in szirStatTipusok)
            {
                var data = new List<object>();
                string szirStatTipusNev = szirStatTipus.GetDisplayName(ClaimData.SelectedTanevID.Value);
                int szirStatTipusId = (int)szirStatTipus;
                if (szirStatTipus != SzirStatTipusEnum.osa1int)
                {
                    Dictionary<int, string> szirStatFeladatellatasiHelyFileNevDictionary = szirStatHelper.GetKirSzirFeladatellatasiHelyList();
                    foreach (var szirStatFeladatellatasiHelyId in szirStatFeladatellatasiHelyFileNevDictionary.Keys)
                    {
                        data.Add(new PanelBarChildDataModel
                        {
                            TipusId = szirStatTipusId,
                            FeladatellatasiHelyId = szirStatFeladatellatasiHelyId,
                            Description = szirStatFeladatellatasiHelyFileNevDictionary[szirStatFeladatellatasiHelyId]
                        });
                    }
                }
                else
                {
                    data.Add(new PanelBarChildDataModel
                    {
                        TipusId = szirStatTipusId,
                        FeladatellatasiHelyId = 0,
                        Description = Core.Constants.General.Intezmeny
                    });
                }
                panelBarChildModelList.Add(new PanelBarChildModel() { PartialViewName = "PanelBarDefaultView", PartialViewTitle = szirStatTipusNev, Data = data });
            }
            panelBarBaseModel.ChildModels = panelBarChildModelList;

            return View("Index", panelBarBaseModel);
        }

        public ActionResult LoadSZIRStatDokumentumPartial(SZIRStatDokumentumModel model)
        {
            SZIRStatCO co = new SZIRStatHelper(ConnectionTypeExtensions.GetSessionConnectionType()).GetSzirStatFileByTipusIdAndFeladatellatasiHelyId(model.SzirStatTipusId, model.FeladatellatasiHelyId);
            return PartialView("SZIRStat_Dokumentum_Partial", ConvertCoToModel(co));
        }

        public ActionResult DeleteAndReLoadSZIRStatDokumentumPartial(SZIRStatDokumentumModel model)
        {
            SZIRStatCO co = new SZIRStatHelper(ConnectionTypeExtensions.GetSessionConnectionType(), fileServiceHelper).DeleteSzirStatFileAndGetSzirStatFileByTipusIdAndFeladatellatasiHelyId(model.SzirStatTipusId, model.FeladatellatasiHelyId);
            return PartialView("SZIRStat_Dokumentum_Partial", ConvertCoToModel(co));
        }

        [HttpPost]
        public ActionResult UploadFile([ModelBinder(typeof(AlapdokumentumFileUploadBinder))] IEnumerable<System.Web.HttpPostedFileBase> files, int SzirStatTipusId, int FeladatellatasiHelyId)
        {
            if (files != null && files.Any())
            {
                List<HttpPostedFileBase> uploadedFiles = files.ToList();
                var helper = new SZIRStatHelper(ConnectionTypeExtensions.GetSessionConnectionType(), fileServiceHelper);
                helper.Upload(uploadedFiles[0], ClaimData.IntezmenyGuid.Value, SzirStatTipusId, FeladatellatasiHelyId);
            }
            return Content("");
        }

        public ActionResult DownloadFile(FormCollection form)
        {
            string dokumentumId = form["FileIdHiddenField"];

            SZIRStatHelper helper = new SZIRStatHelper(ConnectionTypeExtensions.GetSessionConnectionType(), fileServiceHelper);

            (string fajlnev, byte[] tartalom) = helper.GetFileData(int.Parse(dokumentumId));
            MemoryStream stream = new MemoryStream(tartalom);
            FileStreamResult result = File(stream, System.Web.MimeMapping.GetMimeMapping(fajlnev), fajlnev);
            return result;
        }

        private SZIRStatDokumentumModel ConvertCoToModel(SZIRStatCO co)
        {
            return new SZIRStatDokumentumModel()
            {
                SzirStatTipusId = co.SzirStatTipusId,
                FeladatellatasiHelyId = co.FeladatellatasiHelyId,
                FeladatellatasiHelyNev = co.FeladatellatasiHelyNev,
                SzirStatFileId = co.SzirStatFileId,
                FileId = co.FileId,
                FileNev = co.FileNev,
                FeltoltesDatuma = co.FeltoltesDatuma,
                Statusz = co.Statusz
            };
        }
    }
}