using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Web.Http;
using System.Web.Http.ModelBinding;
using System.Web.Http.Results;
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.Core.Exceptions;
using Kreta.Enums;
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 OraTervApiController : ApiController
    {
        /// <summary>
        /// Visszaadja a Grid result-ot (1 szint)
        /// </summary>
        /// <param name="data"></param>
        /// <param name="request"></param>
        /// <returns></returns>
        public DataSourceResult GetOraTervGrid(string data, [ModelBinder(typeof(ModelBinder.DataSourceRequestModelBinder))] DataSourceRequest request)
        {
            OraTervSearchModel model = JsonConvert.DeserializeObject<OraTervSearchModel>(data);

            OratervHelper helper = new OratervHelper(ConnectionTypeExtensions.GetSessionConnectionType());
            helper.GridParameters = Converter.GridParameter(request);
            OratervCO srcCO = Convert_SearchModel_to_CO(model);

            var oraterv = helper.GetOraTerv(srcCO);
            return oraterv.ToDataSourceResult();
        }

        /// <summary>
        /// Visszaadja a Grid result-ot (2 szint)
        /// </summary>
        /// <param name="data"></param>
        /// <param name="request"></param>
        /// <returns></returns>
        public DataSourceResult GetOraTervDetailGrid(int oratervId, [ModelBinder(typeof(ModelBinder.DataSourceRequestModelBinder))] DataSourceRequest request)
        {
            OraTervModel model = new OraTervModel() { OratervId = oratervId };

            OratervHelper helper = new OratervHelper(ConnectionTypeExtensions.GetSessionConnectionType());
            helper.GridParameters = Converter.GridParameter(request);
            OratervCO srcCO = Convert_Model_to_CO(model);

            var oratervTantargy = helper.GetOratervTantargy(srcCO);
            return oratervTantargy.ToDataSourceResult();
        }

        public int GetOraTervDetailCount(int oratervId)
        {
            OraTervModel model = new OraTervModel() { OratervId = oratervId };

            OratervHelper helper = new OratervHelper(ConnectionTypeExtensions.GetSessionConnectionType());
            helper.GridParameters = null;
            OratervCO srcCO = Convert_Model_to_CO(model);
            return helper.GetOratervTantargy(srcCO).Tables[0].Rows.Count;
        }

        /// <summary>
        /// Menti egy ÓraTerv adatait
        /// </summary>
        /// <param name="model"></param>
        /// <returns></returns>
        [HttpPost]
        [ApiValidateAjaxAntiForgeryToken]
        public HttpResponseMessage SaveOraTervData(OraTervModel model)
        {
            if (ModelState.IsValid)
            {
                if (model.OratervId.HasValue && model.OratervId > 0)
                {
                    OratervCO co = Convert_Model_to_CO(model);
                    OratervHelper helper = new OratervHelper(ConnectionTypeExtensions.GetSessionConnectionType());
                    var expression = $"OratervId <> {model.OratervId.Value}";
                    //Egyedi Nev validacio
                    if (helper.GetOraTerv(new OratervCO { Nev = co.Nev, IsValidacio = true }).Tables[0].Select(expression).ToList().Any())
                        throw new StatusError(HttpStatusCode.BadRequest, ErrorResource.DuplikaltOraterv);

                    helper.UpdateOratervCO(co);
                }
                else
                {
                    OratervCO co = Convert_Model_to_CO(model);
                    OratervHelper helper = new OratervHelper(ConnectionTypeExtensions.GetSessionConnectionType());
                    //Egyedi Nev validacio
                    if (helper.GetOraTerv(new OratervCO { Nev = co.Nev, IsValidacio = true }).Tables[0].Rows.Count > 0)
                        throw new StatusError(HttpStatusCode.BadRequest, ErrorResource.DuplikaltOraterv);

                    helper.InsertOratervCO(co);
                }
                return new HttpResponseMessage(HttpStatusCode.OK);
            }

            return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
        }

        /// <summary>
        /// Tantárgy insert egy OraTervhez
        /// </summary>
        /// <param name="model"></param>
        /// <returns></returns>
        [HttpPost]
        [ApiValidateAjaxAntiForgeryToken]
        public HttpResponseMessage AddOraTervTargy(OraTervTargyModel model)
        {
            if (ModelState.IsValid)
            {
                try
                {
                    if (model.OratervTantargyId.HasValue && model.OratervTantargyId > 0)
                    {
                        OratervTantargyCO co = Convert_Model_to_CO(model);
                        OratervHelper helper = new OratervHelper(ConnectionTypeExtensions.GetSessionConnectionType());
                        helper.UpdateOratervTantargyCO(co, ClaimData.IsActivTanev);
                    }
                    else
                    {
                        OratervTantargyCO co = Convert_Model_to_CO(model);
                        OratervHelper helper = new OratervHelper(ConnectionTypeExtensions.GetSessionConnectionType());
                        helper.InsertOratervTantargyCO(co, ClaimData.IsActivTanev);
                    }
                    return new HttpResponseMessage(HttpStatusCode.OK);
                }
                catch (BlException exception)
                {
                    throw new StatusError(HttpStatusCode.BadRequest, exception.Message);
                }
            }

            return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
        }

        /// <summary>
        /// Töröl egy óratervet
        /// </summary>
        /// <param name="parameters"></param>
        /// <returns></returns>
        [HttpPost]
        [ApiValidateAjaxAntiForgeryToken]
        public HttpResponseMessage DeleteOraTerv([FromBody] int oratervID)
        {
            if (ClaimData.SelectedTanevID == ClaimData.KovTanevID)
            {
                throw new StatusError(HttpStatusCode.BadRequest, ErrorResource.OratervTorleseCsakAzAktualisTanevbenLehetseges);
            }

            try
            {
                OratervHelper helper = new OratervHelper(ConnectionTypeExtensions.GetSessionConnectionType());
                if (helper.IfModifyOrDeleteOraTerv(oratervID))
                {
                    helper.DeleteOratervCO(oratervID);
                    return new HttpResponseMessage(HttpStatusCode.OK);
                }

                throw new StatusError(HttpStatusCode.BadRequest, ErrorResource.TorlesCsakAkkorLehetsegesHaAzOratervhezNincsRogzitveTantargy);

            }
            catch (EntityDeleteFailedException ex)
            {
                var errorMessage = string.Format(ErrorResource.NemTorolhetoKapcsolatMiatt, TantargyResource.Oraterv, ex.ConnectionErrorMessage);

                throw new StatusError(HttpStatusCode.BadRequest, errorMessage);
            }
        }

        /// <summary>
        /// Töröl egy óraterv tantárgyat
        /// </summary>
        /// <param name="parameters"></param>
        /// <returns></returns>
        [HttpPost]
        [ApiValidateAjaxAntiForgeryToken]
        public HttpResponseMessage DeleteOraTervTantargy([FromBody] int tantargyID)
        {
            OratervHelper helper = new OratervHelper(ConnectionTypeExtensions.GetSessionConnectionType());
            helper.DeleteOratervTantargy(tantargyID);
            return new HttpResponseMessage(HttpStatusCode.OK);
        }

        /// <summary>
        /// Törli az összes tantárgyat egy óratervhez
        /// </summary>
        /// <param name="parameters"></param>
        /// <returns></returns>
        [HttpPost]
        [ApiValidateAjaxAntiForgeryToken]
        public HttpResponseMessage DeleteAllOraTervTantargy([FromBody] int id)
        {
            OratervHelper helper = new OratervHelper(ConnectionTypeExtensions.GetSessionConnectionType());
            helper.DeleteAllOratervTantargy(id);
            return new HttpResponseMessage(HttpStatusCode.OK);
        }

        #region Helpers

        public class ItemModel
        {
            public int Id { set; get; }
        }

        private OratervCO Convert_Model_to_CO(OraTervModel model)
        {
            OratervCO co = new OratervCO()
            {
                OratervId = model.OratervId,
                TantervId = model.TantervId,
                Evfolyam = model.EvfolyamId ?? 0,
                Nev = model.Nev
            };
            return co;
        }

        private OratervCO Convert_SearchModel_to_CO(OraTervSearchModel model)
        {
            OratervCO co = new OratervCO()
            {
                TantervId = model.TantervIdSearch,
                Evfolyam = model.EvfolyamIdSearch ?? 0,
                Nev = model.NevSearch
            };
            return co;
        }

        private OratervTantargyCO Convert_Model_to_CO(OraTervTargyModel model)
        {
            OratervTantargyCO co = new OratervTantargyCO()
            {
                OratervId = model.OratervId,
                EvesOraszam = model.EvesOraszam.Value,
                Tantargy = model.TantargyId.Value,
                OratervTantargyId = model.OratervTantargyId
            };
            return co;
        }

        private OraTervModel Convert_CO_to_Model(OratervCO co)
        {
            OraTervModel model = new OraTervModel()
            {
                OratervId = co.OratervId,
                TantervId = co.TantervId,
                EvfolyamId = co.Evfolyam,
                Nev = co.Nev
            };
            return model;
        }

        private OraTervTargyModel Convert_TantargyCO_to_Model(OratervTantargyCO co)
        {
            OraTervTargyModel model = new OraTervTargyModel()
            {
                OratervId = co.OratervId,
                EvesOraszam = co.EvesOraszam,
                TantargyId = co.Tantargy
            };
            return model;
        }

        public OraTervModel GetOraTervElem(int id)
        {
            OratervCO co;

            var helper = new OratervHelper(ConnectionTypeExtensions.GetActiveSessionConnectionType());
            co = helper.GetOratervCO(id);

            OraTervModel model = Convert_CO_to_Model(co);
            return model;
        }

        public OraTervTargyModel GetOraTervTantargyElem(int id)
        {
            OratervTantargyCO co;

            var helper = new OratervHelper(ConnectionTypeExtensions.GetActiveSessionConnectionType());
            co = helper.GetOratervTantargyCO(id);

            OraTervTargyModel model = Convert_TantargyCO_to_Model(co);
            return model;
        }

        #endregion

        // NOTE: Kiszervezni -> GetTantervList ComboBoxHelperApi
        public JsonResult<List<ComboBoxListItem>> GetTantervList([DataSourceRequest] DataSourceRequest request)
        {
            var helper = new TantervHelper(ConnectionTypeExtensions.GetSessionConnectionType());

            var dictionary = helper.GetTanterv("");
            List<ComboBoxListItem> dropdownListItems = new List<ComboBoxListItem>();

            foreach (var item in dictionary)
            {
                ComboBoxListItem sli = new ComboBoxListItem() { Text = item.Value, Value = item.Key };
                dropdownListItems.Add(sli);
            }
            return Json(dropdownListItems);
        }

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

            return Json(items);
        }
    }
}