using System;
using System.Collections.Generic;
using System.Text;
using Ease.Core.DataAccess;
using Ease.Core.Model;
using Ease.Core.Utility;
using HRM.BO;
using HRM.BO.SearchTools;
using HRM.DA.DA.SearchTools;

namespace HRM.DA.Service.SearchTools
{
    public class QueryToolService : ServiceTemplate, IQueryToolService
    {
        public QueryToolService()
        {
        }

        private void MapObject(QueryTool item, DataReader dataReader)
        {
            base.SetObjectID(item, dataReader.GetInt32("QueryToolID").Value);
            item.SearchString = dataReader.GetString("SearchString");
            item.Name = dataReader.GetString("Name");
            item.Description = dataReader.GetString("Description");
            item.SQL = dataReader.GetString("SQL");
            item.QTModuleType = (EnumQTModuleType)dataReader.GetInt32("QTModuleType");

            this.SetObjectState(item, Ease.Core.ObjectState.Saved);
        }

        protected override T CreateObject<T>(DataReader dataReader)
        {
            QueryTool item = new QueryTool();
            MapObject(item, dataReader);
            return item as T;
        }

        protected QueryTool CreateObject(DataReader dataReader)
        {
            QueryTool item = new QueryTool();
            MapObject(item, dataReader);
            return item;
        }

        // QTColumn
        private void MapObjectQTColumn(QTColumn item, DataReader dataReader)
        {
            base.SetObjectID(item, dataReader.GetInt32("QTColumnID").Value);
            item.QueryToolID = dataReader.GetInt32("QueryToolID").Value;
            item.ColumnID = dataReader.GetInt32("ColumnID").Value;
            item.Alignment = (ColumnAlignmentEnum)dataReader.GetInt32("Alignment").Value;
            item.Aggregate = dataReader.GetString("Aggregate");
            item.Format = dataReader.GetString("Format");
            item.Caption = dataReader.GetString("Caption");

            this.SetObjectState(item, Ease.Core.ObjectState.Saved);
        }

        private QTColumn CreateComponentQtColumn(DataReader dataReader)
        {
            QTColumn item = new QTColumn();
            MapObjectQTColumn(item, dataReader);
            return item;
        }

        private List<QTColumn> CreateComponentsQTColumn(DataReader dataReader)
        {
            List<QTColumn> items = new List<QTColumn>();
            while (dataReader.Read())
            {
                QTColumn item = new QTColumn();
                item = CreateComponentQtColumn(dataReader);
                items.Add(item);
            }

            return items;
        }

        // QTSearchColumn
        private void MapObjectQTSearchColumn(QTSearchColumn item, DataReader dataReader)
        {
            base.SetObjectID(item, dataReader.GetInt32("QTSearchColumnID").Value);
            item.QueryToolID = dataReader.GetInt32("QueryToolID").Value;
            item.ColumnID = dataReader.GetInt32("ColumnID").Value;
            item.Caption = dataReader.GetString("Caption");

            this.SetObjectState(item, Ease.Core.ObjectState.Saved);
        }

        private QTSearchColumn CreateComponentQTSearchColumn(DataReader dataReader)
        {
            QTSearchColumn item = new QTSearchColumn();
            MapObjectQTSearchColumn(item, dataReader);
            return item;
        }

        private List<QTSearchColumn> CreateComponentsQTSearchColumn(DataReader dataReader)
        {
            List<QTSearchColumn> items = new List<QTSearchColumn>();
            while (dataReader.Read())
            {
                QTSearchColumn item = new QTSearchColumn();
                item = CreateComponentQTSearchColumn(dataReader);
                items.Add(item);
            }

            return items;
        }

        // QTAuthorization
        private void MapObjectQTAuthorization(QTAuthorization item, DataReader dataReader)
        {
            base.SetObjectID(item, dataReader.GetInt32("QTAuthorizationID").Value);
            item.QueryToolID = dataReader.GetInt32("QueryToolID").Value;
            item.EmployeeID = dataReader.GetInt32("EmployeeID").Value;
            item.AuthorizeDate = dataReader.GetDateTime("AuthorizeDate").Value;
            item.Count = dataReader.GetInt32("Count").Value;

            this.SetObjectState(item, Ease.Core.ObjectState.Saved);
        }

        private QTAuthorization CreateComponentQTAuthorization(DataReader dataReader)
        {
            QTAuthorization item = new QTAuthorization();
            MapObjectQTAuthorization(item, dataReader);
            return item;
        }

        private List<QTAuthorization> CreateComponentsQTAuthorization(DataReader dataReader)
        {
            List<QTAuthorization> items = new List<QTAuthorization>();
            while (dataReader.Read())
            {
                QTAuthorization item = new QTAuthorization();
                item = CreateComponentQTAuthorization(dataReader);
                items.Add(item);
            }

            return items;
        }

        public List<QueryTool> GetAll()
        {
            TransactionContext tc = null;
            List<QueryTool> items = new List<QueryTool>();
            List<QTColumn> qtColumnList = new List<QTColumn>();
            List<QTSearchColumn> qtSearchColumnsList = new List<QTSearchColumn>();
            List<QTAuthorization> qtAuthorizationsList = new List<QTAuthorization>();
            try
            {
                tc = TransactionContext.Begin();
                DataReader dr = new DataReader(QueryToolDA.GetAllQueryTool(tc));
                items = this.CreateObjects<QueryTool>(dr);
                dr.Close();

                foreach (QueryTool queryTool in items)
                {
                    DataReader dr2 = new DataReader(QueryToolDA.GetQTColumns(tc, queryTool.ID));
                    queryTool.DataColumns = this.CreateComponentsQTColumn(dr2);
                    dr2.Close();

                    DataReader dr3 = new DataReader(QueryToolDA.GetQTSearchColumn(tc, queryTool.ID));
                    queryTool.SearchColumns = this.CreateComponentsQTSearchColumn(dr3);
                    dr3.Close();

                    DataReader dr4 = new DataReader(QueryToolDA.GetQTAuthorization(tc, queryTool.ID));
                    queryTool.QtAuthorizations = this.CreateComponentsQTAuthorization(dr4);
                    dr4.Close();
                }

                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);

                #endregion
            }

            return items;
        }


        public void SaveQueryTool(QueryTool item)
        {
            TransactionContext tc = null;
            try
            {
                int QueryToolID = 0;
                tc = TransactionContext.Begin(true);
                if (item.IsNew)
                {
                    QueryToolID = tc.GenerateID("QueryTool", "QueryToolID");
                    base.SetObjectID(item, QueryToolID);
                    QueryToolDA.Insert(tc, item);
                }
                else
                {
                    QueryToolDA.Update(tc, item);
                    QueryToolDA.DeleteChildData(tc, QueryToolID, "QTColumn");
                    QueryToolDA.DeleteChildData(tc, QueryToolID, "QTSearchColumn");
                    QueryToolDA.DeleteChildData(tc, QueryToolID, "QTAuthorization");
                }

                foreach (QTColumn itemDataColumn in item.DataColumns)
                {
                    int id = tc.GenerateID("QTColumn", "QTColumnID");
                    base.SetObjectID(itemDataColumn, id);
                    /*this.SetObjectID(item, (QueryToolDA.GetNewID(tc, "QTColumn", "QTColumnID")));*/
                    itemDataColumn.QueryToolID = QueryToolID;
                    QueryToolDA.Insert(tc, itemDataColumn);
                }

                foreach (QTSearchColumn itemSearchColumn in item.SearchColumns)
                {
                    int id = tc.GenerateID("QTSearchColumn", "QTSearchColumnID");
                    base.SetObjectID(itemSearchColumn, id);
                    /*this.SetObjectID(item, (QueryToolDA.GetNewID(tc, "QTSearchColumn", "QTSearchColumnID")));*/
                    itemSearchColumn.QueryToolID = QueryToolID;
                    QueryToolDA.Insert(tc, itemSearchColumn);
                }

                foreach (QTAuthorization itemQtAuthorization in item.QtAuthorizations)
                {
                    int id = tc.GenerateID("QTAuthorization", "QTAuthorizationID");
                    base.SetObjectID(itemQtAuthorization, id);
                    /*this.SetObjectID(item, (QueryToolDA.GetNewID(tc, "QTAuthorization", "QTAuthorizationID")));*/
                    itemQtAuthorization.QueryToolID = QueryToolID;
                    QueryToolDA.Insert(tc, itemQtAuthorization);
                }

                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);

                #endregion
            }
        }
    }
}