using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Web.Http;
using System.Web.Http.Results;
using System.Web.Mvc;
using Kendo.Mvc.UI;
using Kreta.BusinessLogic.Classes.ComboBox;
using Kreta.BusinessLogic.HelperClasses;
using Kreta.BusinessLogic.Helpers;
using Kreta.BusinessLogic.Security;
using Kreta.BusinessLogic.Utils;
using Kreta.Enums;
using Kreta.Resources;
using Kreta.Web.Areas.Tantargy.Models;
using Kreta.Web.Helpers;
using Kreta.Web.Helpers.Error;
using Kreta.Web.Helpers.Grid;
using Kreta.Web.Security;
using Newtonsoft.Json;

namespace Kreta.Web.Areas.Tantargy.ApiControllers
{
    [ApiRoleClaimsAuthorize(true)]
    [ApiRolePackageAuthorize(KretaClaimPackages.Tanar.ClaimValue)]
    public class BaseTanmenetApiController : ApiController
    {
        public DataSourceResult GetTanmenetGrid(string data, [System.Web.Http.ModelBinding.ModelBinder(typeof(ModelBinder.DataSourceRequestModelBinder))] DataSourceRequest request)
        {
            var model = JsonConvert.DeserializeObject<TanmenetSearchModel>(data);
            model.FeltoltoIdSearch = ClaimData.FelhasznaloId;
            var thelper = new TanmenetHelper(ConnectionTypeExtensions.GetActiveSessionConnectionType());

            thelper.GridParameters = Converter.GridParameter(request);

            TanmenetKereseseCO co = ConvertSearchModelToCo(model);
            DataSet tanmenetek = thelper.GetTanmenetek(co);
            return tanmenetek.ToDataSourceResult();

        }

        public string GetTanmenetModalHeader(int tantargyId, int osztalyId)
        {
            Enum.TryParse(new OsztalyCsoportHelper(ConnectionTypeExtensions.GetActiveSessionConnectionType()).GetOsztalyCsoportFeladatKategoria(osztalyId).ToString(), out OktNevelesiKategoriaEnum kategoria);

            return new TanmenetHelper(ConnectionTypeExtensions.GetActiveSessionConnectionType()).GetTanmenetModalHeader(ClaimData.FelhasznaloId, tantargyId, osztalyId, kategoria);
        }

        public DataSourceResult GetTanmenetOrak(int foglalkozasId, int TantargyId, int OsztalyId, [System.Web.Http.ModelBinding.ModelBinder(typeof(ModelBinder.DataSourceRequestModelBinder))] DataSourceRequest request)
        {
            var thelper = new TanmenetHelper(ConnectionTypeExtensions.GetActiveSessionConnectionType());
            thelper.GridParameters = Converter.GridParameter(request);
            DataSet tanmenetek = thelper.GetTanmenetek(TantargyId, OsztalyId, ClaimData.FelhasznaloId, foglalkozasId: foglalkozasId);
            return tanmenetek.ToDataSourceResult();
        }

        [System.Web.Http.HttpPost]
        public HttpResponseMessage SaveTanmenet(TanmenetModel model)
        {
            if (model.TanmenetBejegyzesek.All(x => string.IsNullOrWhiteSpace(x.Tema)))
            {
                throw new StatusError(HttpStatusCode.BadRequest, ErrorResource.UresTanmenetetNemLehetMenteni);
            }

            var temaLengthErrors = new List<string>();
            foreach (var bejegyzes in model.TanmenetBejegyzesek.Where(b => !string.IsNullOrWhiteSpace(b.Tema)))
            {
                // NOTE: bejegyzés név = "{oraszam}. {tema}", max 1000 karakter, amiből óraszám max 3 karakter lehet
                if (bejegyzes.Tema.Length > 995)
                {
                    temaLengthErrors.Add(string.Format(ErrorResource.TanmenetBejegyzesTemaMaxKarakter, bejegyzes.Oraszam));
                }
            }

            if (temaLengthErrors.Any())
            {
                var errorMsg = string.Join(Core.Constants.General.Sortores, temaLengthErrors);
                throw new StatusError(HttpStatusCode.BadRequest, errorMsg);
            }

            model.AlkalmazottId = ClaimData.FelhasznaloId;
            TanmenetCO co = ConvertModelToCo(model);

            var tHelper = new TanmenetHelper(ConnectionTypeExtensions.GetActiveSessionConnectionType());
            tHelper.SaveTanmenet(co);

            return new HttpResponseMessage(HttpStatusCode.OK);
        }

        [System.Web.Http.HttpPost]
        [ApiValidateAjaxAntiForgeryToken]
        public HttpResponseMessage Delete([FromBody] int foglalkozasId)
        {
            try
            {
                var helper = new TanmenetHelper(ConnectionTypeExtensions.GetActiveSessionConnectionType());
                List<TanmenetItemCo> tanmenetCoList = helper.GetTanmenetCoList(ClaimData.FelhasznaloId).Where(x => x.TantargyfelosztasId == foglalkozasId).ToList();
                foreach (TanmenetItemCo tanmenetCo in tanmenetCoList)
                {
                    helper.DeleteTanmenet(tanmenetCo.Id);
                }
                return new HttpResponseMessage(HttpStatusCode.OK);
            }
            catch (Exception e)
            {
                throw new StatusError(HttpStatusCode.InternalServerError, ErrorResource.HibaATorlesSoran)
                {
                    UnHandledException = e
                };
            }
        }

        public List<SelectListItem> GetTantargyList()
        {
            List<SelectListItem> list = new List<SelectListItem>();
            TantargyHelper helper = new TantargyHelper(ConnectionTypeExtensions.GetActiveSessionConnectionType());

            foreach (var item in helper.GetTantargyakForDDL(ClaimData.FelhasznaloId, isSzakkepzo: ClaimData.IsSzakkepzoIntezmeny))
            {
                SelectListItem sli = new SelectListItem() { Text = item.Value, Value = item.Key };
                list.Add(sli);
            }

            return list;
        }

        private TanmenetKereseseCO ConvertSearchModelToCo(TanmenetSearchModel model)
        {
            TanmenetKereseseCO co = new TanmenetKereseseCO()
            {
                AlkalmazottID = model.FeltoltoIdSearch,
                Megjegyzes = model.MegjegyzesSearch,
                Nev = model.NevSearch,
                Oraszam = model.OraszamSearch,
                OsztalyID = model.OsztalyCsoportIdSearch,
                RovidNev = model.RovidNevSearch,
                TantargyID = model.TantargyIdSearch,
                Tema = model.TemaSearch
            };
            return co;
        }

        private TanmenetCO ConvertModelToCo(TanmenetModel model)
        {
            TanmenetCO co = new TanmenetCO()
            {
                AlkalmazottID = model.AlkalmazottId,
                FoglalkozasID = model.FoglalkozasId,
                Orak = new List<TanmenetOrakCO>()
            };

            foreach (var tema in model.TanmenetBejegyzesek)
            {
                co.Orak.Add(new TanmenetOrakCO()
                {
                    ID = string.IsNullOrWhiteSpace(tema.ID) ? new int?() : int.Parse(tema.ID),
                    Tema = tema.Tema,
                    Oraszam = tema.Oraszam
                }
                );
            }
            return co;
        }

        public JsonResult<List<ComboBoxListItem>> GetFoglalkozasList()
        {
            var helper = new TantargyFelosztasHelper(ConnectionTypeExtensions.GetSessionConnectionType())
            {
                GridParameters = null,
            };

            var foglalkozasok = helper.GetTantargyFelosztasForDDL(ClaimData.FelhasznaloId);

            return Json(foglalkozasok.ToComboBoxItemList());
        }
    }
}