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.ModelBinding;
using Kendo.Mvc.UI;
using Kreta.BusinessLogic.Helpers;
using Kreta.BusinessLogic.Security;
using Kreta.Core.Exceptions;
using Kreta.Resources;
using Kreta.Web.Areas.Leptetes.Models;
using Kreta.Web.Helpers;
using Kreta.Web.Helpers.Error;
using Kreta.Web.Helpers.Grid;
using Kreta.Web.Security;

namespace Kreta.Web.Areas.Leptetes.ApiControllers
{
    [ApiRoleClaimsAuthorize(true)]
    [ApiRolePackageAuthorize(KretaClaimPackages.Adminisztrator.ClaimValue)]
    public class CsoportLeptetesApiController : ApiController
    {
        public DataSourceResult GetCsoportLeptetesGrid(string data, [ModelBinder(typeof(ModelBinder.DataSourceRequestModelBinder))] DataSourceRequest request)
        {
            var helper = new LeptetesHelper(ConnectionTypeExtensions.GetSessionConnectionType())
            {
                GridParameters = Converter.GridParameter(request)
            };

            DataSet ds = helper.GetCsoportLeptetesGridData(ClaimData.AktivTanevID.Value);
            return ds.ToDataSourceResult();
        }

        [HttpPost]
        [ApiValidateAjaxAntiForgeryToken]
        public HttpResponseMessage SaveCsoportLeptetes(List<CsoportLeptetesRowModel> model)
        {
            try
            {
                var errorStr = CsoportCustomValidation(model);
                if (string.IsNullOrWhiteSpace(errorStr))
                {
                    LeptetesHelper helper = new LeptetesHelper(ConnectionTypeExtensions.GetSessionConnectionType());
                    foreach (var item in model)
                    {
                        helper.CopyCsoportToKovTanev(item.SourceID, item.Nev, item.Evfolyam, item.Osztalybontas, ClaimData.SelectedTanevID.Value);
                    }
                    return new HttpResponseMessage(HttpStatusCode.OK);
                }

                throw new StatusError(HttpStatusCode.BadRequest, errorStr);
            }
            catch (BlException e)
            {
                StatusError error = new StatusError(HttpStatusCode.BadRequest, e.Message);
                throw error;
            }
        }

        public string CsoportCustomValidation(List<CsoportLeptetesRowModel> model)
        {
            var result = string.Empty;

            var duplicated = from m in model group m by m.Nev into g where g.Count() > 1 select g.Key;
            foreach (var item in duplicated)
            {
                result += string.Format(LeptetesResource.CsoportEgynelTobbszor, model.Where(x => x.Nev.Contains(item)).FirstOrDefault()?.Nev ?? string.Empty);
            }

            OsztalyCsoportHelper helper = new OsztalyCsoportHelper(ConnectionTypeExtensions.GetSessionConnectionType());
            var data = helper.GetOsztalyCsoportCoList();

            foreach (var item in model)
            {
                if (data.Where(x => x.Nev == item.Nev).ToList().Count > 0)
                {
                    result += string.Format(LeptetesResource.CsoportLetezikKovTanevben, item.Nev);
                }

                CsoportHelper ocshelper = new CsoportHelper(ConnectionTypeExtensions.GetActiveSessionConnectionType());
                var csoportData = helper.GetCsoportByCsoportId(item.SourceID);

                FeladatEllatasiHelyHelper felHHelper = new FeladatEllatasiHelyHelper(ConnectionTypeExtensions.GetSessionConnectionType());
                if (felHHelper.GetKovTanevIdByAktTanevId(csoportData.FeladatEllatasiHelyId) == 0)
                {
                    result += string.Format(LeptetesResource.CsoportFelhelyNemtalalhato, item.Nev);
                }
            }

            return result;
        }
    }
}