<?php
/*
 *  $Id$
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "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 COPYRIGHT
 * OWNER OR 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.
 *
 * This software consists of voluntary contributions made by many individuals
 * and is licensed under the LGPL. For more information, see
 * <http://www.phpdoctrine.com>.
 */

/**
 * @package     Doctrine
 * @url         http://www.phpdoctrine.com
 * @license     http://www.opensource.org/licenses/lgpl-license.php LGPL
 * @author      Jukka Hassinen <Jukka.Hassinen@BrainAlliance.com>
 * @version     $Id$
 */


/**
 * class Doctrine_Import_Reader_Db
 * Reads a database using the given PDO connection and constructs a database
 * schema
 */
class Doctrine_Import_Reader_Db extends Doctrine_Import_Reader
{

    /** Aggregations: */

    /** Compositions: */

     /*** Attributes: ***/

    /**
     * @access private
     */
    private $pdo;


    /**
     *
     * @param object pdo      * @return 
     * @access public
     */
    public function setPdo( $pdo ) {
        
    } // end of member function setPdo


    /**
     *
     * @return Doctrine_Schema
     * @access public
     */
    public function read( )
    {
	$dataDict = Doctrine_Manager::getInstance()->getCurrentConnection()->getDataDict();
    	
	$schema = new Doctrine_Schema(); /* @todo FIXME i am incomplete*/
	$db = new Doctrine_Schema_Database();
	$schema->addDatabase($db);
	
	$dbName = 'XXtest'; // @todo FIXME where should we get 

	$db->set("name",$dbName);
	$tableNames = $dataDict->listTables();
    foreach($tableNames as $tableName){	
        $table = new Doctrine_Schema_Table();
        $table->set("name",$tableName);
        $tableColumns = $dataDict->listTableColumns($tableName);
        foreach($tableColumns as $tableColumn){
            $table->addColumn($tableColumn);
        }
        $db->addTable($table);
        if ($fks = $dataDict->listTableConstraints($tableName)){
            foreach($fks as $fk){
                $relation = new Doctrine_Schema_Relation();
                $relation->setRelationBetween($fk['referencingColumn'],$fk['referencedTable'],$fk['referencedColumn']);
                $table->setRelation($relation);
            }
        }
    }

	return $schema;
    }


} // end of Doctrine_Import_Reader_Db