using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using Kreta.Core.ConnectionType;
using Kreta.DataAccessManual;
using Kreta.DataAccessManual.Util;

namespace Kreta.BusinessLogic.Helpers
{
    public class NaptariHetHelper : LogicBase
    {
        public NaptariHetHelper(IConnectionType connectionType) : base(connectionType) { }

        public DataSet GetNaptariHetList()
            => Dal.CustomConnection.Run(ConnectionType, h =>
            {
                return h.NaptariHet(GridParameters).GetNaptariHetList(TanevId);
            });

        public DataSet GetHetirendHelyettesitesList(Dictionary<int, int?> modifiedHetirendList)
            => Dal.CustomConnection.Run(ConnectionType, h =>
            {
                return h.NaptariHet(GridParameters).GetHetirendHelyettesitesList(TanevId, modifiedHetirendList);
            });

        public void SetHetirend(Dictionary<int, int?> modifiedHetirendList)
        {
            Dal.CustomConnection.Run(ConnectionType, h =>
            {
                var dal = h.NaptariHet();
                dal.DeleteHelyettesites(TanevId, modifiedHetirendList);

                var szunetIds = modifiedHetirendList.Where(x => !x.Value.HasValue).Select(x => x.Key).ToList();
                dal.DeleteHetesek(TanevId, szunetIds, FelhasznaloId);

                dal.SetHetirend(modifiedHetirendList, IntezmenyId, TanevId);

                var helper = new AdatszotarHelper(new DalHandlerConnectionType(ConnectionType, h));

                helper.GenerateNaptariNapok();
            });
        }

        public List<int> GetSortedHetirendIdList()
        {
            return Dal.CustomConnection.Run(ConnectionType, h =>
            {
                return h.NaptariHet().GetSortedHetirendIdList(TanevId);
            });
        }

        public int GetNaptariHetSorszamByDate(DateTime datum)
            => Dal.CustomConnection.Run(ConnectionType, h =>
            {
                return h.NaptariHet(GridParameters).GetNaptariHetSorszamByDate(datum, TanevId);
            });

        public int? GetNaptariHetHetirendByDate(DateTime datum)
            => Dal.CustomConnection.Run(ConnectionType, h =>
            {
                return h.NaptariHet(GridParameters).GetNaptariHetHetirendByDate(datum, TanevId);
            });
    }
}