using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Web.Mvc;
using Kreta.BusinessLogic.Helpers;
using Kreta.BusinessLogic.Helpers.SystemSettings;
using Kreta.BusinessLogic.Interfaces;
using Kreta.BusinessLogic.Security;
using Kreta.Enums;
using Kreta.Enums.ManualEnums;
using Kreta.Framework;
using Kreta.Resources;
using Kreta.Web.Areas.Orarend.Models;
using Kreta.Web.Helpers;
using Kreta.Web.Helpers.Error;
using Kreta.Web.Helpers.TabStrip;
using Kreta.Web.Models.EditorTemplates;
using Kreta.Web.Security;
using Newtonsoft.Json;

namespace Kreta.Web.Areas.Orarend.Controllers
{
    [MvcRoleClaimsAuthorize(true)]
    [MvcRolePackageDenyAuthorize(KretaClaimPackages.IsOnlyAlkalmozott.ClaimValue)]
    [MvcRolePackageAuthorize(KretaClaimPackages.Ellenorzo.ClaimValue)]
    public class InformaciokOrarendController : Controller
    {
        private readonly IFileServiceHelper fileServiceHelper;
        private IKretaAuthorization Authorization { get; }

        public InformaciokOrarendController(IKretaAuthorization authorization, IFileServiceHelper fileServiceHelper)
        {
            Authorization = authorization ?? throw new ArgumentNullException(nameof(authorization));
            this.fileServiceHelper = fileServiceHelper ?? throw new ArgumentNullException(nameof(fileServiceHelper));
        }

        [MvcRolePackageAuthorize(KretaClaimPackages.Ellenorzo.ClaimValue, KretaClaimPackages.CsokkentettGondviselo.ClaimValue)]
        public ActionResult Index()
        {
            var model = new InformaciokOrarendModel();

            var helper = new OrarendHelper(ConnectionTypeExtensions.GetSessionConnectionType());
            var hetesekHelper = new HetesekHelper(ConnectionTypeExtensions.GetSessionConnectionType());
            model.HetirendJson = helper.GetHetirendek();
            model.NaptariHetekHetirendJson = helper.GetNaptariHetekHetirendek();

            var systemSettingsHelper = new SystemSettingsHelper(ConnectionTypeExtensions.GetSessionConnectionType());

            if (ClaimData.IsTanuloOrGondviselo && systemSettingsHelper.GetSystemSettingValue<bool>(RendszerBeallitasTipusEnum.hetesek_megjelenitese_az_elektronikus_ellenorzoben))
            {
                List<int> osztalyCsoportIdList = new TanuloHelper(ConnectionTypeExtensions.GetActiveSessionConnectionType()).GetTanuloOsztalyIdList(ClaimData.FelhasznaloId);
                var hetHelper = new NaptariHetHelper(ConnectionTypeExtensions.GetSessionConnectionType());
                model.AktualisHetSorszam = hetHelper.GetNaptariHetSorszamByDate(DateTime.Now);

                if (osztalyCsoportIdList.Any())
                {
                    var tanulok = hetesekHelper.GetHetesSzovegHetsorszammal(osztalyCsoportIdList);

                    var serializerSettings = new JsonSerializerSettings();
                    serializerSettings.StringEscapeHandling = StringEscapeHandling.EscapeNonAscii;

                    model.HetesekJson = JsonConvert.SerializeObject(tanulok, serializerSettings);
                    model.HetesekJson = model.HetesekJson.Replace("\x7F", "\\u007f");
                }
            }

            var co = helper.GetCalendarMinMax();
            model.CalendarMinTime = co.CalendarMin;
            model.CalendarMaxTime = co.CalendarMax;
            model.IsOraTemaTooltip = systemSettingsHelper.GetSystemSettingValue<bool>(RendszerBeallitasTipusEnum.Tanora_Tema_Az_Ellenorzoben);

            return View("Index", model);
        }

        [HttpPost]
        public ActionResult GetOrarendEvent(int eventId, bool isTanitasiOra_BOOL, DateTime haziFeladatRogzitesDatuma, int? tanuloId = null, string megoldva = null)
        {
            CalendarModel calendar = new CalendarModel();

            calendar.EventId = eventId;
            calendar.OraType = isTanitasiOra_BOOL ? CalendarOraTypeEnum.TanitasiOra : CalendarOraTypeEnum.OrarendiOra;
            calendar.Start = haziFeladatRogzitesDatuma;

            return OrarendEvent(calendar, tanuloId, megoldva);
        }

        public ActionResult OrarendEvent(CalendarModel calendarModel, int? tanuloId = null, string megoldva = null)
        {
            if (calendarModel.OraType == CalendarOraTypeEnum.TanevRendjeEsemeny ||
                calendarModel.OraType == CalendarOraTypeEnum.UresOra)
            {
                return null;
            }

            var model = new InformaciokOra();
            var pm = new PopUpModel(model, "OraAdatok_Info");
            model.TabList = GetDetailTabs(calendarModel, tanuloId, megoldva);
            pm = pm.AddCancelBtn(pm, "InformaciokOrarend.detailOraInfoCancel");
            return PartialView(Constants.General.PopupView, pm);
        }

        public List<TabStripItemModel> GetDetailTabs(CalendarModel calendarModel, int? tanuloId = null, string megoldva = null)
        {
            List<TabStripItemModel> list = new List<TabStripItemModel>();

            list.Add(new TabStripItemModel()
            {
                ItemId = "1",
                ItemName = StringResourcesUtil.GetString(3331) /*Óra adatai*/,
                Area = "Orarend",
                Controller = "InformaciokOrarend",
                Action = "GetOraAdatok",
                RouteParameters = new Dictionary<string, string>() {
                    { "Id", calendarModel.EventId.ToString() },
                    { "EventType", ((int)calendarModel.OraType).ToString() },
                    { "Date" , calendarModel.Start.Date.ToString() }
                }
            });

            var routeParameters = new Dictionary<string, string>() {
                    { "Id", calendarModel.EventId.ToString() },
                    { "EventType", ((int)calendarModel.OraType).ToString() },
                    { "Date" , calendarModel.Start.Date.ToString() }
                };

            if (tanuloId != null)
                routeParameters.Add("TanuloId", tanuloId.ToString());

            if (!string.IsNullOrWhiteSpace(megoldva))
                routeParameters.Add("Megoldva", megoldva.ToString());

            list.Add(new TabStripItemModel()
            {
                ItemId = "2",
                ItemName = OrarendResource.HaziFeladat,
                Area = "Orarend",
                Controller = "InformaciokOrarend",
                Action = "GetHaziFeladat_Tab",
                RouteParameters = routeParameters
            });

            return list;
        }
        public ActionResult GetHaziFeladat_Tab(int id, CalendarOraTypeEnum eventType, DateTime date, int? tanuloId = null, string megoldva = null)
        {
            if (!Authorization.IsValidEvent(id, eventType, date))
            {
                throw new StatusError(HttpStatusCode.Forbidden, ErrorResource.NincsJogaAzOldalMegtekintesehez);
            }

            var model = GetHaziFeladatok(id, eventType, date);

            return PartialView("TanuloHaziFeladat_Tab", model);
        }

        public ActionResult GetOraAdatok(int id, CalendarOraTypeEnum eventType, DateTime date)
        {
            if (!Authorization.IsValidEvent(id, eventType, date))
            {
                throw new StatusError(HttpStatusCode.Forbidden, ErrorResource.NincsJogaAzOldalMegtekintesehez);
            }

            var model = GetOraAdatai(id, eventType, date);
            return PartialView("Info_TanuloOraAdatok_Tab", model);
        }

        private InformaciokOraAdatai GetOraAdatai(int eventId, CalendarOraTypeEnum eventType, DateTime date)
        {
            int? orarendiOraId = null;
            int? tanitasiOraId = null;
            var model = new InformaciokOraAdatai();
            model.IsTanora = eventType == CalendarOraTypeEnum.TanitasiOra;
            if (model.IsTanora)
            {
                tanitasiOraId = eventId;

                MulasztasHelper h = new MulasztasHelper(ConnectionTypeExtensions.GetActiveSessionConnectionType());

                var mulasztas = h.GetTanuloTanoraiMulasztasa(ClaimData.FelhasznaloId, tanitasiOraId.Value);
                model.MulasztasText = string.IsNullOrWhiteSpace(mulasztas) ? "-" : mulasztas;
            }
            else
            {
                orarendiOraId = eventId;
            }

            var helper = new TanuloHelper(ConnectionTypeExtensions.GetActiveSessionConnectionType());
            var adatok = helper.GetTanuloOraAdatai(orarendiOraId, tanitasiOraId, date);

            var openBoardHelper = new OpenBoardHelper(ConnectionTypeExtensions.GetActiveSessionConnectionType(), fileServiceHelper);

            // Helyettesítés csak akkor látható tanulónál, ha be van kapcsolva a rendszerbeállításokba, vagy már naplózott az óra.
            var isHelyettesitesLathato = new SystemSettingsHelper(ConnectionTypeExtensions.GetActiveSessionConnectionType()).GetSystemSettingValue<bool>(RendszerBeallitasTipusEnum.helyettesites_lathatosaga_az_ellenorzoben);

            model.IsHelyettesitoTanarLathato = isHelyettesitesLathato || model.IsTanora;

            model.Targy = adatok.Targy;
            model.HelyettesitoTanar = adatok.HelyettesitoTanar;
            model.Megtartott = adatok.Megtartott;
            model.OsztalyNev = adatok.OsztalyNev;
            model.Tanar = adatok.Tanar;
            model.Tema = adatok.Tema;
            model.Terem = adatok.Terem;
            model.Oraszam = adatok.Oraszam;
            model.Datum = date.ToShortDateString();
            model.SzamonkeresMegnevezes = adatok.SzamonkeresMegnevezes;
            model.SzamonkeresMod = adatok.SzamonkeresMod;
            model.OraTartam = string.Format("{0} - {1}", adatok.OraKezdet, adatok.OraVege);
            model.OpenBoardFiles = openBoardHelper.GetFeltoltottFajlokToTanuloOraAdat(date, orarendiOraId, tanitasiOraId);
            return model;
        }

        private TanuloHaziFeladatTabModel GetHaziFeladatok(int eventId, CalendarOraTypeEnum oraType, DateTime date)
        {
            try
            {
                return new TanuloHaziFeladatTabModel(new DktFeladatHelper(ConnectionTypeExtensions.GetSessionConnectionType()).GetHaziFeladatTabCo(eventId, oraType, date, ClaimData.IsTanuloOrGondviselo));
            }
            catch (Exception e)
            {
                throw new StatusError(HttpStatusCode.BadRequest, ErrorResource.HibaTortentAMuveletSoran) { UnHandledException = e };
            }
        }
    }
}