using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using Kreta.Core;
using Kreta.Core.MessageBroker.Contract.MobileNotification;
using Kreta.Core.MessageBroker.Contract.MobileNotification.Enum;
using Kreta.DataAccessManual;
using Kreta.Enums;
using Kreta.Job.Tasks.Entities;
using Kreta.MessageBroker.Client.MobileNotification;
using Kreta.Resources;
using Newtonsoft.Json;
using Serilog;
using Serilog.Core.Enrichers;

namespace Kreta.Job.Tasks.Helpers.Notification
{
    internal static class ErtekelesNotificationHelper
    {
        internal static void SendErtekelesNotification(string connectionString)
        {
            var logger = Log.ForContext(new PropertyEnricher[] { new PropertyEnricher("LoggerId", Guid.NewGuid()) });
            try
            {
                Dal.ServiceSystemConnection.Run(connectionString, h =>
            {
                var ertekelesDal = h.TanuloErtekelesDal();
                var ertekelesek = ertekelesDal.GetAllSchemaErtekelesNotification(DateTime.Now);
                List<IdWithData> ertekelesList = new List<IdWithData>();
                foreach (DataRow row in ertekelesek.Tables[0].Rows)
                {
                    if (!int.TryParse(row["ID"] == DBNull.Value ? string.Empty : row["ID"].ToString(), out int ertekelesId))
                    { continue; }
                    ertekelesList.Add(new IdWithData(ertekelesId, row));
                }

                if (ertekelesList.Count > 0)
                {
                    ertekelesDal.SetErtekelesAsKikuldott(ertekelesList.Select(x => x.Id).Distinct());

                    var mobileNotificationMessages = new List<MobileNotificationMessage>();

                    ertekelesList.ForEach(item => ProcessErtekelesNotification(item.Data, item.Id, mobileNotificationMessages));

                    if (mobileNotificationMessages.Count > 0)
                    {
                        MobileNotificationMessageHelper.PostStudentNotification(mobileNotificationMessages.ToArray());
                    }
                }
            });
            }
            catch (Exception ex)
            {
                logger.Fatal(ex, ex.GetType().FullName);
            }
        }
        private static void ProcessErtekelesNotification(DataRow row, int ertekelesId, List<MobileNotificationMessage> mobileNotificationMessages)
        {
            if (!int.TryParse(row["TanuloId"] == DBNull.Value ? string.Empty : row["TanuloId"].ToString(), out int tanuloId))
            { return; }

            Guid.TryParse(row["IdpUniqueId"] == DBNull.Value ? string.Empty : row["IdpUniqueId"].ToString(), out Guid idpUniqueId);
            int.TryParse(row["ErtekelesOsztalyzatId"] == DBNull.Value ? string.Empty : row["ErtekelesOsztalyzatId"].ToString(), out int ertekelesOsztalyzatId);

            var ertekelesSzazalek = row["ErtekelesSzazalek"] == DBNull.Value ? null : row["ErtekelesSzazalek"].ToString();
            var osztalyzatSzoveg = row["Osztalyzat"] == DBNull.Value ? string.Empty : row["Osztalyzat"].ToString();
            var ertekelesSzoveg = row["ErtekelesSzoveg"] == DBNull.Value ? string.Empty : row["ErtekelesSzoveg"].ToString();
            var instituteCode = row["IntezmenyAzonosito"] == DBNull.Value ? string.Empty : row["IntezmenyAzonosito"].ToString();
            var tanuloNev = row["TanuloNev"] == DBNull.Value ? string.Empty : row["TanuloNev"].ToString();
            var tantargyNev = row["TantargyNev"] == DBNull.Value ? string.Empty : row["TantargyNev"].ToString();
            var ertekelesTipusId = row["ErtekelesTipusId"];
            var ertekelesTipus = Enum.GetName(typeof(ErtekelesTipusEnum), ertekelesTipusId);
            var data = new { ErtekelesTipus = ertekelesTipus };

            var message = CreateErtekelesMessage(tanuloNev, tantargyNev, ertekelesOsztalyzatId, ertekelesSzazalek, ertekelesSzoveg, osztalyzatSzoveg);
            if (string.IsNullOrWhiteSpace(message))
            { return; }

            mobileNotificationMessages.Add(MobileNotificationMessageHelper.CreateMessage(instituteCode, tanuloId, MobileNotificationMessageType.Evaluation, ertekelesId, message, NotificationResource.ErtekelesTitle, JsonConvert.SerializeObject(data)));
        }

        private static string CreateErtekelesMessage(string tanuloNev, string tantargyNev, int ertekelesOsztalyzatId, string ertekelesSzazalek, string ertekelesSzoveg, string osztalyzatSzoveg)
        {
            if (ertekelesOsztalyzatId.IsEntityId())
            {
                return string.Format(NotificationResource.ErdemjegyErtekelesNotificationMessage, tanuloNev, osztalyzatSzoveg, tantargyNev);
            }

            if (!string.IsNullOrWhiteSpace(ertekelesSzoveg))
            {
                return string.Format(NotificationResource.SzovegesErtekelesNotificationMessage, tanuloNev, tantargyNev);
            }

            if (!string.IsNullOrWhiteSpace(ertekelesSzazalek))
            {
                return string.Format(NotificationResource.SzazalekosErtekelesNotificationMessage, tanuloNev, ertekelesSzazalek, tantargyNev);
            }

            return string.Empty;
        }

    }
}