using System.Collections.Generic;
using System.Net;
using System.Net.Http;
using System.Web.Http;
using System.Web.Http.ModelBinding;
using Kendo.Mvc.UI;
using Kreta.BusinessLogic.Classes;
using Kreta.BusinessLogic.Classes.ComboBox;
using Kreta.BusinessLogic.Exceptions;
using Kreta.BusinessLogic.HelperClasses;
using Kreta.BusinessLogic.Helpers;
using Kreta.BusinessLogic.Security;
using Kreta.BusinessLogic.Utils;
using Kreta.Core;
using Kreta.Core.Exceptions;
using Kreta.Enums;
using Kreta.Framework;
using Kreta.Framework.Entities;
using Kreta.Framework.Util;
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.Adminisztrator.ClaimValue)]
    public class TantervekApiController : ApiController
    {
        public DataSourceResult GetTantervekGrid(string data, [ModelBinder(typeof(ModelBinder.DataSourceRequestModelBinder))] DataSourceRequest request)
        {
            TantervSearchModel model = JsonConvert.DeserializeObject<TantervSearchModel>(data);

            TantervHelper helper = new TantervHelper(ConnectionTypeExtensions.GetSessionConnectionType());

            helper.GridParameters = Converter.GridParameter(request);
            var tantervek = helper.TantervKereses(model.TantervNev, model.JellemzoCsopTipID, model.KezdoEvfolyamID, model.VegzoEvfolyamID, model.IsKerettantervreEpul, model.IsKerettantervSrc);
            return tantervek.ToDataSourceResult();
        }

        public TantervModel GetTantervProperties(int tantervID)
        {
            TantervCO co;

            TantervHelper thelper = new TantervHelper(ConnectionTypeExtensions.GetSessionConnectionType());

            co = thelper.GetCo(tantervID);

            return ConvertCOtoModel(co);
        }

        public TantervModModel GetTantervPropertiesMod(int tantervID)
        {
            TantervHelper thelper = new TantervHelper(ConnectionTypeExtensions.GetSessionConnectionType());

            TantervCO co = thelper.GetCo(tantervID);
            TantervModModel model = new TantervModModel()
            {
                ID = co.ID,
                Nev = co.Nev,
                CsoportTipusa = co.CsoportTipusa,
                Evfolyamtol = co.Evfolyamtol,
                Evfolyamig = co.Evfolyamig,
                KerettantervreEpulo = co.KerettantervreEpulo.ToNullableInt(),
                IsKerettanterv = co.IsKerettanterv.ToNullableInt()
            };

            return model;
        }

        public DataSourceResult GetTantervOSztalyai(string tantervID, [ModelBinder(typeof(ModelBinder.DataSourceRequestModelBinder))] DataSourceRequest request)
        {
            var helper = new TantervHelper(ConnectionTypeExtensions.GetSessionConnectionType());

            helper.GridParameters = Converter.GridParameter(request);

            var ds = helper.GetTantervOsztalyai(SDAConvert.ToInt32(tantervID));

            return ds.ToDataSourceResult();
        }

        public DataSourceResult GetTantervTanuloi(string tantervID, [ModelBinder(typeof(ModelBinder.DataSourceRequestModelBinder))] DataSourceRequest request)
        {
            var helper = new TantervHelper(ConnectionTypeExtensions.GetSessionConnectionType());

            helper.GridParameters = Converter.GridParameter(request);

            var ds = helper.GetTantervTanuloi(SDAConvert.ToInt32(tantervID));

            return ds.ToDataSourceResult();
        }

        [HttpPost]
        [ApiValidateAjaxAntiForgeryToken]
        public HttpResponseMessage SaveModifiedOrNewTanterv(TantervModel tmodel)
        {
            try
            {
                if (ModelState.IsValid)
                {
                    TantervCO co = ConvertModelToCO(tmodel);
                    TantervHelper helper = new TantervHelper(ConnectionTypeExtensions.GetSessionConnectionType());

                    if (co.ID.HasValue)
                    {
                        helper.Update(co);
                    }
                    else
                    {
                        helper.Insert(co);
                    }

                    return new HttpResponseMessage(HttpStatusCode.OK);
                }

                return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
            }
            catch (SDA.DataProvider.SDADataProviderException ex)
            {
                if (ex.Error == SDA.DataProvider.SDADataProviderError.UniqueKeyViolation)
                {
                    string msg = string.Format(StringResourcesUtil.GetString(3554), StringResourcesUtil.GetString(1589 /*Tanterv neve*/));
                    ModelState.AddModelError("Nev", msg);
                    return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
                }

                throw;

            }
            catch (CannotBeInsertedException e)
            {
                throw new StatusError(HttpStatusCode.BadRequest, e.Message);
            }
        }

        public HttpResponseMessage SaveModTanterv(TantervModModel tmodel)
        {
            try
            {
                if (ModelState.IsValid)
                {
                    var co = ConvertModModelToCO(tmodel);
                    var helper = new TantervHelper(ConnectionTypeExtensions.GetSessionConnectionType());

                    if (string.IsNullOrWhiteSpace(tmodel.TantervIDArray))
                    {
                        helper.TantervTobbesModify(co);
                    }
                    else
                    {
                        string[] tantervIDArray = tmodel.TantervIDArray.Split(',');
                        foreach (var item in tantervIDArray)
                        {
                            co.ID = int.Parse(item);
                            helper.TantervTobbesModify(co);
                        }
                    }

                    return new HttpResponseMessage(HttpStatusCode.OK);
                }

                return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
            }
            catch (CannotBeInsertedException e)
            {
                throw new StatusError(HttpStatusCode.BadRequest, e.Message);
            }
            catch (BlException e)
            {
                throw new StatusError(HttpStatusCode.BadRequest, e.Message);
            }
        }

        private TantervTobbesModCO ConvertModModelToCO(TantervModModel model)
        {
            return new TantervTobbesModCO()
            {
                ID = model.ID,
                CsoportTipusa = model.CsoportTipusa,
                Evfolyamig = model.Evfolyamig,
                Evfolyamtol = model.Evfolyamtol,
                KerettantervreEpulo = model.KerettantervreEpulo,
                IsKerettanterv = model.IsKerettanterv
            };
        }

        [HttpPost]
        [ApiValidateAjaxAntiForgeryToken]
        public HttpResponseMessage DeleteTanterv([FromBody] int tantervID)
        {
            if (ClaimData.SelectedTanevID == ClaimData.KovTanevID)
            {
                throw new StatusError(HttpStatusCode.BadRequest, ErrorResource.TantervTorleseCsakAzAktualisTanevbenLehetseges);
            }

            try
            {
                TantervHelper helper = new TantervHelper(ConnectionTypeExtensions.GetSessionConnectionType());

                var ds = helper.GetAktivTantervDataSet();
                if (ds.Tables[0].Rows.Count == 1)
                    throw new StatusError(HttpStatusCode.BadRequest, ErrorResource.Legalabb1TantervLetezne);

                helper.Delete(tantervID);
                return new HttpResponseMessage(HttpStatusCode.OK);
            }
            catch (BlException exception)
            {
                throw new StatusError(HttpStatusCode.BadRequest, exception.Message);
            }
            catch (EntityDeleteFailedException ex)
            {

                var uzenet = string.Format(ErrorResource.NemTorolhetoKapcsolatMiatt, TanuloResource.Tanterv, ex.ConnectionErrorMessage);
                throw new StatusError(HttpStatusCode.BadRequest, uzenet);
            }

        }

        private TantervCO ConvertModelToCO(TantervModel tmodel)
        {
            TantervCO co = new TantervCO()
            {
                CsoportTipusa = tmodel.CsoportTipusa ?? -1,
                Evfolyamig = tmodel.Evfolyamig ?? -1,
                Evfolyamtol = tmodel.Evfolyamtol ?? -1,
                ID = tmodel.ID,
                KerettantervreEpulo = tmodel.KerettantervreEpulo,
                Megjegyzes = tmodel.Megjegyzes,
                Nev = tmodel.Nev,
                IsKerettanterv = tmodel.IsKerettanterv
            };

            return co;
        }

        private TantervModel ConvertCOtoModel(TantervCO co)
        {
            TantervModel model = new TantervModel()
            {
                CsoportTipusa = co.CsoportTipusa,
                Evfolyamig = co.Evfolyamig,
                Evfolyamtol = co.Evfolyamtol,
                ID = co.ID,
                KerettantervreEpulo = co.KerettantervreEpulo,
                Megjegyzes = co.Megjegyzes,
                Nev = co.Nev,
                IsKerettanterv = co.IsKerettanterv
            };

            return model;
        }

        public System.Web.Http.Results.JsonResult<List<ComboBoxListItem>> GetEvfolyamListS([DataSourceRequest] DataSourceRequest request)
        {
            List<ComboBoxListItem> items = ((int)GeneratedAdatszotarTipusEnum.EvfolyamTipus).GetItemsByType(ClaimData.SelectedTanevID.Value, true).ToComboBoxItemList();

            return Json(items);
        }
    }
}