using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using Kreta.Framework;
using Kreta.Framework.Collections;
using Kreta.Framework.Collections.Generic;
using Kreta.Framework.Entities;
using Kreta.Framework.Entities.Associations;
using Kreta.Framework.Entities.Generic;

namespace SDA.Kreta.Entities
{
    internal sealed class TantargyNevhezKategoriaDBHelper : EntityDBHelper<TantargyNevhezKategoria>
    {
        private Dictionary<string, string> dynamicColumns = new Dictionary<string, string>()
        {
            { "Sorszam", "T_TANTARGYNEVHEZKATEGORIA_OSSZES.C_SORSZAM" },
            { "TargyKategoria", "T_TANTARGYNEVHEZKATEGORIA_OSSZES.C_TARGYKATEGORIA" },
            { "TargyNevVarians", "T_TANTARGYNEVHEZKATEGORIA_OSSZES.C_TARGYNEVVARIANS" },
        };

        private const string dynamicQueryCommandText =
            "select " +
                "T_TANTARGYNEVHEZKATEGORIA_OSSZES.ID, " +
                "{COLUMNS}" +
                // TantargyNevhezKategoria betöltése
                // TantargyNevhezKategoria kapcsoló mezői
                "T_TANTARGYNEVHEZKATEGORIA_OSSZES.TOROLT, " +
                "T_TANTARGYNEVHEZKATEGORIA_OSSZES.SERIAL, " +
                "T_TANTARGYNEVHEZKATEGORIA_OSSZES.CREATED, " +
                "T_TANTARGYNEVHEZKATEGORIA_OSSZES.CREATOR, " +
                "T_TANTARGYNEVHEZKATEGORIA_OSSZES.LASTCHANGED, " +
                "T_TANTARGYNEVHEZKATEGORIA_OSSZES.MODIFIER " +
            "from " +
                "T_TANTARGYNEVHEZKATEGORIA_OSSZES " +
            "where " +
                "(1 = 1) ";

        private const string emptyQueryCommandText =
            "select " +
                "T_TANTARGYNEVHEZKATEGORIA_OSSZES.ID, " +
                // TantargyNevhezKategoria betöltése
                // TantargyNevhezKategoria mezői
                "T_TANTARGYNEVHEZKATEGORIA_OSSZES.C_SORSZAM, " +
                "T_TANTARGYNEVHEZKATEGORIA_OSSZES.C_TARGYKATEGORIA, " +
                "T_TANTARGYNEVHEZKATEGORIA_OSSZES.C_TARGYNEVVARIANS, " +
                // TantargyNevhezKategoria kapcsoló mezői
                "T_TANTARGYNEVHEZKATEGORIA_OSSZES.TOROLT, " +
                "T_TANTARGYNEVHEZKATEGORIA_OSSZES.SERIAL, " +
                "T_TANTARGYNEVHEZKATEGORIA_OSSZES.CREATED, " +
                "T_TANTARGYNEVHEZKATEGORIA_OSSZES.CREATOR, " +
                "T_TANTARGYNEVHEZKATEGORIA_OSSZES.LASTCHANGED, " +
                "T_TANTARGYNEVHEZKATEGORIA_OSSZES.MODIFIER " +
            "from " +
                "T_TANTARGYNEVHEZKATEGORIA_OSSZES " +
            "where " +
                "(1 = 1) ";

        public override string EmptyQueryCommandText
        {
            get
            {
                return emptyQueryCommandText;
            }
        }

        public override string DynamicQueryCommandText
        {
            get
            {
                return dynamicQueryCommandText;
            }
        }

        public override IDictionary<string, string> DynamicColumns
        {
            get
            {
                return dynamicColumns;
            }
        }

        protected override TantargyNevhezKategoria CreateEntityInstance()
        {
            return TantargyNevhezKategoria.GiveAnInstance();
        }

        #region Lekérdezés

        public override void LoadEntityFields(TantargyNevhezKategoria entity, SDA.DataProvider.SDADataReader reader)
        {
            // TantargyNevhezKategoria betöltése
            // TantargyNevhezKategoria mezői

            entity.m_Sorszam = DAUtil.ReadIntegerAttribute(reader, 1, -1);


            entity.m_TargyKategoria = DAUtil.ReadIntegerAttribute(reader, 2, -1);


            entity.m_TargyNevVarians = DAUtil.ReadStringAttribute(reader, 3, "");

            // TantargyNevhezKategoria kapcsoló mezői
        }

        public override void LoadEntityFields(TantargyNevhezKategoria entity, SDA.DataProvider.SDADataReader reader, ColumnFilterMode columnFilterMode, IEnumerable<string> columns)
        {
            int index = 1;
            if (columns == null)
            {
                columns = new List<string>(index);
            }
            // TantargyNevhezKategoria betöltése
            // TantargyNevhezKategoria mezői
            if (((columnFilterMode == ColumnFilterMode.DEFAULT_ALLOWED) ^ (columns.Contains("Sorszam"))))
            {
                entity.m_Sorszam = DAUtil.ReadIntegerAttribute(reader, index++, -1);
            }
            if (((columnFilterMode == ColumnFilterMode.DEFAULT_ALLOWED) ^ (columns.Contains("TargyKategoria"))))
            {
                entity.m_TargyKategoria = DAUtil.ReadIntegerAttribute(reader, index++, -1);
            }
            if (((columnFilterMode == ColumnFilterMode.DEFAULT_ALLOWED) ^ (columns.Contains("TargyNevVarians"))))
            {
                entity.m_TargyNevVarians = DAUtil.ReadStringAttribute(reader, index++, "");
            }
            // TantargyNevhezKategoria kapcsoló mezői
        }

        #endregion

        #region Paraméter kötés

        public override void BindAttributes(TantargyNevhezKategoria entity, SDA.DataProvider.SDACommand command)
        {
            DAUtil.BindParameter(command, "pSORSZAM", SDA.DataProvider.SDADBType.Int, entity.m_Sorszam, false);

            DAUtil.BindParameter(command, "pTARGYKATEGORIA", SDA.DataProvider.SDADBType.Int, entity.m_TargyKategoria, false);

            DAUtil.BindParameter(command, "pTARGYNEVVARIANS", SDA.DataProvider.SDADBType.String, 255, entity.m_TargyNevVarians, false);
        }

        public override void DynamicBindAttributes(TantargyNevhezKategoria entity, SDA.DataProvider.SDACommand command)
        {
            System.Text.StringBuilder sb = new System.Text.StringBuilder();
            if (entity.HasChanged("Sorszam"))
            {
                sb.Append("C_SORSZAM = :pSORSZAM,");

                DAUtil.BindParameter(command, "pSORSZAM", SDA.DataProvider.SDADBType.Int, entity.m_Sorszam, false);

            }
            if (entity.HasChanged("TargyKategoria"))
            {
                sb.Append("C_TARGYKATEGORIA = :pTARGYKATEGORIA,");

                DAUtil.BindParameter(command, "pTARGYKATEGORIA", SDA.DataProvider.SDADBType.Int, entity.m_TargyKategoria, false);

            }
            if (entity.HasChanged("TargyNevVarians"))
            {
                sb.Append("C_TARGYNEVVARIANS = :pTARGYNEVVARIANS,");

                DAUtil.BindParameter(command, "pTARGYNEVVARIANS", SDA.DataProvider.SDADBType.String, 255, entity.m_TargyNevVarians, false);

            }
            command.CommandText = command.CommandText.Replace("{COLUMNS}", sb.ToString());
        }

        public override void BindAssociations(TantargyNevhezKategoria entity, SDA.DataProvider.SDACommand command)
        {
        }

        #endregion
    }

    internal class TantargyNevhezKategoriaDA : EntityDataAccessor<TantargyNevhezKategoria>
    {
        private static TantargyNevhezKategoriaDBHelper m_dbhelper = new TantargyNevhezKategoriaDBHelper();

        protected override IEntityDBHelper<TantargyNevhezKategoria> dbhelper
        {
            get { return m_dbhelper; }
        }

        #region Load

        public override bool LoadEntity(TantargyNevhezKategoria entity, int entityId)
        {
            return LoadById(entity, entityId);
        }

        public override bool FilteredLoadEntity(TantargyNevhezKategoria entity, int entityId, ColumnFilterMode columnFilterMode, IEnumerable<string> columns)
        {
            return LoadById(entity, entityId, columnFilterMode, columns);
        }

        public bool LoadById(TantargyNevhezKategoria entity, int entityId)
        {
            using (SDA.DataProvider.SDACommand command = dbhelper.CreateEmptyQueryCommand())
            {
                command.CommandText += " and (T_TANTARGYNEVHEZKATEGORIA_OSSZES.ID = :pID) ";
                command.Parameters.Add("pID", SDA.DataProvider.SDADBType.Int).Value = entityId;
                return dbhelper.LoadSingleEntity(entity, command);
            }
        }

        public bool LoadById(TantargyNevhezKategoria entity, int entityId, ColumnFilterMode columnFilterMode, IEnumerable<string> columns)
        {
            using (SDA.DataProvider.SDACommand command = dbhelper.CreateDynamicQueryCommand(columnFilterMode, columns))
            {
                command.CommandText += " and (T_TANTARGYNEVHEZKATEGORIA_OSSZES.ID = :pID) ";
                command.Parameters.Add("pID", SDA.DataProvider.SDADBType.Int).Value = entityId;
                return dbhelper.LoadSingleEntity(entity, command, columnFilterMode, columns);
            }
        }

        [Obsolete("Ezt ne használjátok, mert mindenhova bele kellene fogalmazni a tanév szűrést is! Meg fog majd szűnni!")]
        public override void LoadWithFilter(IEntityCollection<TantargyNevhezKategoria> collection, string filter, Dictionary<string, object> commandParameters = null)
        {
            using (SDA.DataProvider.SDACommand command = dbhelper.CreateEmptyQueryCommand())
            {
                command.CommandText += filter;
                dbhelper.CreateParameterBinding(command, commandParameters);
                dbhelper.LoadEntityCollection(collection, command);
            }
        }

        [Obsolete("Ezt ne használjátok, mert mindenhova bele kellene fogalmazni a tanév szűrést is! Meg fog majd szűnni!")]
        public override void LoadWithFilter(IEntityCollection<TantargyNevhezKategoria> collection, string filter, ColumnFilterMode columnFilterMode, IEnumerable<string> columns, Dictionary<string, object> commandParameters = null)
        {
            using (SDA.DataProvider.SDACommand command = dbhelper.CreateDynamicQueryCommand(columnFilterMode, columns))
            {
                command.CommandText += filter;
                dbhelper.CreateParameterBinding(command, commandParameters);
                dbhelper.LoadEntityCollection(collection, command, columnFilterMode, columns);
            }
        }

        #endregion

        #region InsertEntity

        private const string m_InsertCommandText = @"
        insert into T_TANTARGYNEVHEZKATEGORIA_OSSZES (
            C_SORSZAM,
            C_TARGYKATEGORIA,
            C_TARGYNEVVARIANS,
            TOROLT,
            SERIAL,
            CREATED,
            CREATOR)
        values (
            :pSORSZAM,
            :pTARGYKATEGORIA,
            :pTARGYNEVVARIANS,
            :pTOROLT,
            :pSERIAL,
            :pCREATED,
            :pCREATOR);

        SELECT SCOPE_IDENTITY() as ID;

        ";

        public override void InsertEntity(TantargyNevhezKategoria entity)
        {
            entity.Serial = 0;
            SetEntityCreator(entity, DateTime.Now, UserContext.Instance.UniqueIdentifier);

            using (SDA.DataProvider.SDACommand command = DAUtil.CreateCommand(m_InsertCommandText))
            {
                dbhelper.BindAttributes(entity, command);
                dbhelper.BindAssociations(entity, command);
                command.Parameters.Add("pTOROLT", SDA.DataProvider.SDADBType.Boolean /* Boolean */).Value = false;
                command.Parameters.Add("pSERIAL", SDA.DataProvider.SDADBType.Int).Value = 0;
                command.Parameters.Add("pCREATED", SDA.DataProvider.SDADBType.DateTime).Value = entity.EntityCreated;
                command.Parameters.Add("pCREATOR", SDA.DataProvider.SDADBType.Int).Value = entity.EntityCreator;
                entity.ID = Convert.ToInt32(command.ExecuteScalar());

            }
        }

        #endregion

        #region UpdateEntity

        private const string m_UpdateAttributesCommandText = @"
        update T_TANTARGYNEVHEZKATEGORIA_OSSZES
        set
          {COLUMNS}
          SERIAL = ISNULL(SERIAL,0) + 1,
          LASTCHANGED = :pLASTCHANGED,
          MODIFIER = :pMODIFIER,
          TOROLT = :pTOROLT
        where
          (ID = :pID) and (ISNULL(SERIAL,0) = :pSERIAL)
        ";

        public override bool UpdateEntity(TantargyNevhezKategoria entity)
        {
            using (SDA.DataProvider.SDACommand command = DAUtil.CreateCommand(m_UpdateAttributesCommandText))
            {
                bool result = true;
                dbhelper.DynamicBindAttributes(entity, command);

                SetEntityModifier(entity, DateTime.Now, UserContext.Instance.UniqueIdentifier);

                command.Parameters.Add("pID", SDA.DataProvider.SDADBType.Int).Value = entity.ID;
                command.Parameters.Add("pSERIAL", SDA.DataProvider.SDADBType.Int).Value = entity.Serial;
                command.Parameters.Add("pLASTCHANGED", SDA.DataProvider.SDADBType.DateTime).Value = entity.EntityLastChanged;
                command.Parameters.Add("pMODIFIER", SDA.DataProvider.SDADBType.Int).Value = entity.EntityModifier;
                command.Parameters.Add("pTOROLT", SDA.DataProvider.SDADBType.Boolean /* Boolean */).Value = entity.Torolt;

                result = (command.ExecuteNonQuery() == 1);
                if (result == true)
                    entity.Serial++;

                return result;
            }
        }

        #endregion

        #region DeleteEntity

        private const string m_FizikaiDeleteCommandText = @"DELETE FROM T_TANTARGYNEVHEZKATEGORIA_OSSZES WHERE (ID = :pID) ";
        private const string m_LogikaiDeleteCommandText = @"
        UPDATE T_TANTARGYNEVHEZKATEGORIA_OSSZES 
        SET TOROLT = 'T' ,
          SERIAL = SERIAL + 1,
          LASTCHANGED = :pLASTCHANGED,
          MODIFIER = :pMODIFIER
        WHERE (ID = :pID) ";

        public override void DeleteEntity(TantargyNevhezKategoria entity, bool logikai = true)
        {
            var _deleteCommandText = logikai ? m_LogikaiDeleteCommandText : m_FizikaiDeleteCommandText;
            using (SDA.DataProvider.SDACommand command = DAUtil.CreateCommand(_deleteCommandText))
            {
                command.Parameters.Add("pID", SDA.DataProvider.SDADBType.Int).Value = entity.ID;

                if (logikai)
                {
                    DateTime lastchanged = DateTime.Now;
                    var modifier = UserContext.Instance.UniqueIdentifier;

                    command.Parameters.Add("pLASTCHANGED", SDA.DataProvider.SDADBType.DateTime).Value = lastchanged;
                    command.Parameters.Add("pMODIFIER", SDA.DataProvider.SDADBType.Int).Value = modifier;
                }

                if (command.ExecuteNonQuery() != 1)
                {
                    throw new EntityNotFoundException("TantargyNevhezKategoria", entity.ID);
                }
            }

        }

        #endregion

        #region UpdateAssociations

        private const string m_UpdateAssociationCommandText = @"
        update T_TANTARGYNEVHEZKATEGORIA_OSSZES
        set
            SERIAL = ISNULL(SERIAL,0) + 1,
            LASTCHANGED = :pLASTCHANGED,
            MODIFIER = :pMODIFIER
        where
          (ID = :pID) and (ISNULL(SERIAL,0) = :pSERIAL)
        ";

        public override bool UpdateAssociations(TantargyNevhezKategoria entity)
        {
            using (SDA.DataProvider.SDACommand command = DAUtil.CreateCommand(m_UpdateAssociationCommandText))
            {
                dbhelper.BindAssociations(entity, command);

                DateTime lastchanged = DateTime.Now;
                var modifier = UserContext.Instance.UniqueIdentifier;

                command.Parameters.Add("pID", SDA.DataProvider.SDADBType.Int).Value = entity.ID;
                command.Parameters.Add("pSERIAL", SDA.DataProvider.SDADBType.Int).Value = entity.Serial;
                command.Parameters.Add("pLASTCHANGED", SDA.DataProvider.SDADBType.DateTime).Value = lastchanged;
                command.Parameters.Add("pMODIFIER", SDA.DataProvider.SDADBType.Int).Value = modifier;

                bool result = (command.ExecuteNonQuery() == 1);
                if (result == true)
                {
                    entity.Serial++;
                    SetEntityModifier(entity, lastchanged, modifier);
                }
                return result;
            }
        }

        #endregion

        #region Asszociációkkal kapcsolatos adatbázisműveletek (entitásspecifikus)

        #region Mint asszociációs osztály
        #endregion


        #endregion
    }

}