<?php
/*
 * 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 MIT license. For more information, see
 * <http://www.doctrine-project.org>.
 */

namespace Doctrine\ORM\Mapping\Builder;

/**
 * ManyToMany Association Builder
 *
 * @license     http://www.opensource.org/licenses/lgpl-license.php LGPL
 * @link        www.doctrine-project.com
 * @since       2.0
 * @author      Benjamin Eberlei <kontakt@beberlei.de>
 */
class ManyToManyAssociationBuilder extends OneToManyAssociationBuilder
{
    /**
     * @var string|null
     */
    private $joinTableName;

    /**
     * @var array
     */
    private $inverseJoinColumns = array();

    /**
     * @param string $name
     *
     * @return ManyToManyAssociationBuilder
     */
    public function setJoinTable($name)
    {
        $this->joinTableName = $name;
        return $this;
    }

    /**
     * Adds Inverse Join Columns.
     *
     * @param string      $columnName
     * @param string      $referencedColumnName
     * @param bool        $nullable
     * @param bool        $unique
     * @param string|null $onDelete
     * @param string|null $columnDef
     *
     * @return ManyToManyAssociationBuilder
     */
    public function addInverseJoinColumn($columnName, $referencedColumnName, $nullable = true, $unique = false, $onDelete = null, $columnDef = null)
    {
        $this->inverseJoinColumns[] = array(
            'name' => $columnName,
            'referencedColumnName' => $referencedColumnName,
            'nullable' => $nullable,
            'unique' => $unique,
            'onDelete' => $onDelete,
            'columnDefinition' => $columnDef,
        );
        return $this;
    }

    /**
     * @return ClassMetadataBuilder
     */
    public function build()
    {
        $mapping = $this->mapping;
        $mapping['joinTable'] = array();
        if ($this->joinColumns) {
            $mapping['joinTable']['joinColumns'] = $this->joinColumns;
        }
        if ($this->inverseJoinColumns) {
            $mapping['joinTable']['inverseJoinColumns'] = $this->inverseJoinColumns;
        }
        if ($this->joinTableName) {
            $mapping['joinTable']['name'] = $this->joinTableName;
        }
        $cm = $this->builder->getClassMetadata();
        $cm->mapManyToMany($mapping);
        return $this->builder;
    }
}
