using System;
using System.Data;
using Ease.Core.DataAccess.SQL;
//using Ease.Core.DataAccess.Odbc;
//using Ease.Core.DataAccess.OleDb;
using Ease.Core.DataAccess.Oracle;

namespace Ease.Core.DataAccess
{
    #region DataAccess: Transaction Helper Factory

    public abstract class TransactionFactory
    {
        #region Default Helper

        private static TransactionFactory _default;

        public static TransactionFactory Default
        {
            get
            {
                if (_default == null)
                {
                    #region Default TransactionHelper

                    switch (ConnectionFactory.Provider)
                    {
                        case Provider.Sql:
                            _default = new SqlHelper();
                            break;
                        case Provider.Oracle:
                            //_default = new OracleHelper();
                            break;

                        case Provider.OleDb:
                            //_default = new OleDbHelper();
                            break;

                        case Provider.Odbc:
                            //_default = new OdbcHelper();
                            break;

                        default:
                            break;
                    }

                    #endregion
                }

                return _default;
            }
        }

        #endregion

        #region Context Helper

        public static TransactionFactory ContextTransactionHelper(ConnectionContext context)
        {
            TransactionFactory ctxFactory;

            switch (ConnectionFactory.Provider)
            {
                //case Provider.Oracle:
                //    ctxFactory = new OracleHelper();
                //    break;

                //case Provider.OleDb:
                //    ctxFactory = new OleDbHelper();
                //    break;

                //case Provider.Odbc:
                //    ctxFactory = new OdbcHelper();
                //    break;

                default:
                    ctxFactory = new SqlHelper();
                    break;
            }

            return ctxFactory;
        }

        #endregion

        #region Execute NonQuery

        public abstract int ExecuteNonQuery(int commandTimeout, string connectionString, CommandType commandType,
            string commandText);

        public abstract int ExecuteNonQuery(int commandTimeout, string connectionString, CommandType commandType,
            string commandText, params IDataParameter[] commandParameters);

        public abstract int ExecuteNonQuery(int commandTimeout, string connectionString, string spName,
            params object[] parameterValues);

        public abstract int ExecuteNonQuery(int commandTimeout, IDbConnection connection, CommandType commandType,
            string commandText);

        public abstract int ExecuteNonQuery(int commandTimeout, IDbConnection connection, CommandType commandType,
            string commandText, params IDataParameter[] commandParameters);

        public abstract int ExecuteNonQuery(int commandTimeout, IDbConnection connection, string spName,
            params object[] parameterValues);

        public abstract int ExecuteNonQuery(int commandTimeout, IDbTransaction transaction, CommandType commandType,
            string commandText);

        public abstract int ExecuteNonQuery(int commandTimeout, IDbTransaction transaction, CommandType commandType,
            string commandText, params IDataParameter[] commandParameters);

        public abstract int ExecuteNonQuery(int commandTimeout, IDbTransaction transaction, string spName,
            params object[] parameterValues);

        #endregion ExecuteNonQuery

        #region Execute DataTable

        public abstract DataTable ExecuteDataTable(int commandTimeout, string connectionString, CommandType commandType,
            string commandText);

        public abstract DataTable ExecuteDataTable(int commandTimeout, string connectionString, CommandType commandType,
            string commandText, params IDataParameter[] commandParameters);

        public abstract DataTable ExecuteDataTable(int commandTimeout, string connectionString, string spName,
            params object[] parameterValues);

        public abstract DataTable ExecuteDataTable(int commandTimeout, IDbConnection connection,
            CommandType commandType, string commandText);

        public abstract DataTable ExecuteDataTable(int commandTimeout, IDbConnection connection,
            CommandType commandType, string commandText, params IDataParameter[] commandParameters);

        public abstract DataTable ExecuteDataTable(int commandTimeout, IDbConnection connection, string spName,
            params object[] parameterValues);

        public abstract DataTable ExecuteDataTable(int commandTimeout, IDbTransaction transaction,
            CommandType commandType, string commandText);

        public abstract DataTable ExecuteDataTable(int commandTimeout, IDbTransaction transaction,
            CommandType commandType, string commandText, params IDataParameter[] commandParameters);

        public abstract DataTable ExecuteDataTable(int commandTimeout, IDbTransaction transaction, string spName,
            params object[] parameterValues);

        #endregion ExecuteDataTable

        #region Execute Dataset

        public abstract DataSet ExecuteDataset(int commandTimeout, string connectionString, CommandType commandType,
            string commandText);

        public abstract DataSet ExecuteDataset(int commandTimeout, string connectionString, CommandType commandType,
            string commandText, params IDataParameter[] commandParameters);

        public abstract DataSet ExecuteDataset(int commandTimeout, string connectionString, string spName,
            params object[] parameterValues);

        public abstract DataSet ExecuteDataset(int commandTimeout, IDbConnection connection, CommandType commandType,
            string commandText);

        public abstract DataSet ExecuteDataset(int commandTimeout, IDbConnection connection, CommandType commandType,
            string commandText, params IDataParameter[] commandParameters);

        public abstract DataSet ExecuteDataset(int commandTimeout, IDbConnection connection, string spName,
            params object[] parameterValues);

        public abstract DataSet ExecuteDataset(int commandTimeout, IDbTransaction transaction, CommandType commandType,
            string commandText);

        public abstract DataSet ExecuteDataset(int commandTimeout, IDbTransaction transaction, CommandType commandType,
            string commandText, params IDataParameter[] commandParameters);

        public abstract DataSet ExecuteDataset(int commandTimeout, IDbTransaction transaction, string spName,
            params object[] parameterValues);

        #endregion ExecuteDataset

        #region Execute Reader

        private enum IDbConnectionOwnership
        {
            /// <summary>Connection is owned and managed by OleDbHelper</summary>
            Internal,

            /// <summary>Connection is owned and managed by the caller</summary>
            External
        }

        public abstract IDataReader ExecuteReader(int commandTimeout, string connectionString, CommandType commandType,
            string commandText);

        public abstract IDataReader ExecuteReader(int commandTimeout, string connectionString, CommandType commandType,
            string commandText, params IDataParameter[] commandParameters);

        public abstract IDataReader ExecuteReader(int commandTimeout, string connectionString, string spName,
            params object[] parameterValues);

        public abstract IDataReader ExecuteReader(int commandTimeout, IDbConnection connection, CommandType commandType,
            string commandText);

        public abstract IDataReader ExecuteReader(int commandTimeout, IDbConnection connection, CommandType commandType,
            string commandText, params IDataParameter[] commandParameters);

        public abstract IDataReader ExecuteReader(int commandTimeout, IDbConnection connection, string spName,
            params object[] parameterValues);

        public abstract IDataReader ExecuteReader(int commandTimeout, IDbTransaction transaction,
            CommandType commandType, string commandText);

        public abstract IDataReader ExecuteReader(int commandTimeout, IDbTransaction transaction,
            CommandType commandType, string commandText, params IDataParameter[] commandParameters);

        public abstract IDataReader ExecuteReader(int commandTimeout, IDbTransaction transaction, string spName,
            params object[] parameterValues);

        #endregion ExecuteReader

        #region Execute Scalar

        public abstract object ExecuteScalar(int commandTimeout, string connectionString, CommandType commandType,
            string commandText);

        public abstract object ExecuteScalar(int commandTimeout, string connectionString, CommandType commandType,
            string commandText, params IDataParameter[] commandParameters);

        public abstract object ExecuteScalar(int commandTimeout, string connectionString, string spName,
            params object[] parameterValues);

        public abstract object ExecuteScalar(int commandTimeout, IDbConnection connection, CommandType commandType,
            string commandText);

        public abstract object ExecuteScalar(int commandTimeout, IDbConnection connection, CommandType commandType,
            string commandText, params IDataParameter[] commandParameters);

        public abstract object ExecuteScalar(int commandTimeout, IDbConnection connection, string spName,
            params object[] parameterValues);

        public abstract object ExecuteScalar(int commandTimeout, IDbTransaction transaction, CommandType commandType,
            string commandText);

        public abstract object ExecuteScalar(int commandTimeout, IDbTransaction transaction, CommandType commandType,
            string commandText, params IDataParameter[] commandParameters);

        public abstract object ExecuteScalar(int commandTimeout, IDbTransaction transaction, string spName,
            params object[] parameterValues);

        #endregion ExecuteScalar

        #region FillDataset

        public abstract void FillDataset(int commandTimeout, string connectionString, CommandType commandType,
            string commandText, DataSet dataSet, string[] tableNames);

        public abstract void FillDataset(int commandTimeout, string connectionString, CommandType commandType,
            string commandText, DataSet dataSet, string[] tableNames, params IDataParameter[] commandParameters);

        public abstract void FillDataset(int commandTimeout, string connectionString, string spName, DataSet dataSet,
            string[] tableNames, params object[] parameterValues);

        public abstract void FillDataset(int commandTimeout, IDbConnection connection, CommandType commandType,
            string commandText, DataSet dataSet, string[] tableNames);

        public abstract void FillDataset(int commandTimeout, IDbConnection connection, CommandType commandType,
            string commandText, DataSet dataSet, string[] tableNames, params IDataParameter[] commandParameters);

        public abstract void FillDataset(int commandTimeout, IDbConnection connection, string spName, DataSet dataSet,
            string[] tableNames, params object[] parameterValues);

        public abstract void FillDataset(int commandTimeout, IDbTransaction transaction, CommandType commandType,
            string commandText, DataSet dataSet, string[] tableNames);

        public abstract void FillDataset(int commandTimeout, IDbTransaction transaction, CommandType commandType,
            string commandText, DataSet dataSet, string[] tableNames, params IDataParameter[] commandParameters);

        public abstract void FillDataset(int commandTimeout, IDbTransaction transaction, string spName, DataSet dataSet,
            string[] tableNames, params object[] parameterValues);

        #endregion

        #region Update Dataset

        public abstract void UpdateDataset(IDbCommand insertCommand, IDbCommand deleteCommand, IDbCommand updateCommand,
            DataSet dataSet, string tableName);

        #endregion

        #region Create Command

        public abstract IDbCommand CreateCommand(IDbConnection connection, string spName,
            params string[] sourceColumns);

        #endregion

        #region Execute NonQuery TypedParams

        public abstract int ExecuteNonQueryTypedParams(int commandTimeout, string connectionString, string spName,
            DataRow dataRow);

        public abstract int ExecuteNonQueryTypedParams(int commandTimeout, IDbConnection connection, string spName,
            DataRow dataRow);

        public abstract int ExecuteNonQueryTypedParams(int commandTimeout, IDbTransaction transaction, string spName,
            DataRow dataRow);

        #endregion

        #region Execute Dataset TypedParams

        public abstract DataSet ExecuteDatasetTypedParams(int commandTimeout, string connectionString, string spName,
            DataRow dataRow);

        public abstract DataSet ExecuteDatasetTypedParams(int commandTimeout, IDbConnection connection, string spName,
            DataRow dataRow);

        public abstract DataSet ExecuteDatasetTypedParams(int commandTimeout, IDbTransaction transaction, string spName,
            DataRow dataRow);

        #endregion

        #region Execute Reader TypedParams

        public abstract IDataReader ExecuteReaderTypedParams(int commandTimeout, string connectionString, string spName,
            DataRow dataRow);

        public abstract IDataReader ExecuteReaderTypedParams(int commandTimeout, IDbConnection connection,
            string spName, DataRow dataRow);

        public abstract IDataReader ExecuteReaderTypedParams(int commandTimeout, IDbTransaction transaction,
            string spName, DataRow dataRow);

        #endregion

        #region Execute Scalar TypedParams

        public abstract object ExecuteScalarTypedParams(int commandTimeout, string connectionString, string spName,
            DataRow dataRow);

        public abstract object ExecuteScalarTypedParams(int commandTimeout, IDbConnection connection, string spName,
            DataRow dataRow);

        public abstract object ExecuteScalarTypedParams(int commandTimeout, IDbTransaction transaction, string spName,
            DataRow dataRow);

        #endregion
    }

    #endregion
}