/*
* Copyright (c) Tribal Media AB, http://tribalmedia.se/
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*     * Redistributions of source code must retain the above copyright
*       notice, this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above copyright
*       notice, this list of conditions and the following disclaimer in the
*       documentation and/or other materials provided with the distribution.
*     * The name of Tribal Media AB may not be used to endorse or promote products
*       derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* 
*/

using System;
using System.Data;
using System.Data.Common;
using TribalMedia.Framework.Data;

namespace TribalMedia.Framework.Data
{
    public abstract class TableMapper
    {
        private readonly DatabaseMapper m_connectionPool;
        private readonly object m_syncRoot = new object();

        protected void WithConnection(Action<DbConnection> action)
        {
            lock (m_syncRoot)
            {
                DbConnection m_connection = m_connectionPool.GetNewConnection();

                if (m_connection.State != ConnectionState.Open)
                {
                    m_connection.Open();
                }

                action(m_connection);

                if (m_connection.State == ConnectionState.Open)
                {
                    m_connection.Close();
                }
            }
        }

        private readonly string m_tableName;
        public string TableName
        {
            get { return m_tableName; }
        }

        private Schema m_schema;
        public Schema Schema
        {
            get { return m_schema; }
        }

        private FieldMapper m_keyFieldMapper;
        public FieldMapper KeyFieldMapper
        {
            get { return m_keyFieldMapper; }
        }

        public TableMapper(DatabaseMapper connectionPool, string tableName)
        {
            m_connectionPool = connectionPool;
            m_tableName = tableName.ToLower(); // Stupid MySQL hack.
        }

        public string CreateParamName(string fieldName)
        {
            return m_connectionPool.CreateParamName(fieldName);
        }

        protected DbCommand CreateSelectCommand(DbConnection connection, string fieldName, object primaryKey)
        {
            return m_connectionPool.CreateSelectCommand(this, connection, fieldName, primaryKey);
        }

        public string CreateCondition(DbCommand command, string fieldName, object key)
        {
            return m_connectionPool.CreateCondition(this, command, fieldName, key);
        }

        public DbCommand CreateInsertCommand(DbConnection connection, object obj)
        {
            return m_connectionPool.CreateInsertCommand(this, connection, obj);
        }

        public DbCommand CreateUpdateCommand(DbConnection connection, object rowMapper, object primaryKey)
        {
            return m_connectionPool.CreateUpdateCommand(this, connection, rowMapper, primaryKey);
        }
    }
}