<?php
/**
 * Copyright (c) 2010, Federico Cargnelutti. All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgment:
 *    This product includes software developed by Federico Cargnelutti.
 * 4. Neither the name of Federico Cargnelutti nor the names of its contributors 
 *    may be used to endorse or promote products derived from this software without 
 *    specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY FEDERICO CARGNELUTTI "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 FEDERICO CARGNELUTTI 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.
 *
 * @category    Zf
 * @package     Zf_Orm
 * @author      Federico Cargnelutti <fedecarg@gmail.com>
 * @copyright   Copyright (c) 2010 Federico Cargnelutti
 * @license     New BSD License
 * @version     $Id: $
 */

/**
 * @category    Zf
 * @package     Zf_Orm
 * @author      Federico Cargnelutti <fedecarg@gmail.com>
 * @copyright   Copyright (c) 2010 Federico Cargnelutti
 * @license     New BSD License
 * @version     $Id: $
 */
abstract class Zf_Orm_Entity
{
    /**
     * Class constructor.
     * 
     * @param array $values
     * @return void
     */
    public function __construct(array $values = null)
    {
        if (null !== $values) {
            $this->assignValues($values);
        }
    }

    /**
     * Assign values to properties.
     *
     * @param array $values
     * @return Zf_Orm_Entity
     */
    public function assignValues(array $values)
    {
        foreach ($values as $key => $value) {
            if (!property_exists($this, $key)) {
                continue;
            }
            $method = 'set' . str_replace(' ', '', ucwords(str_replace('_', ' ', $key)));
            if (method_exists($this, $method)) {
                $this->$method($value);
            } else {
                $this->$key = $value;
            }
        }
        return $this;
    }

    /**
     * Return an associative array containing all the properties in this object. 
     *
     * @return array
     */
    public function toArray()
    {
        return get_object_vars($this);
    }

    /**
     * Create dynamic setter and getter methods.
     *
     * @param string $method
     * @param array $args
     * @return mixed
     * @throws BadMethodCallException
     */
    public function __call($method, $args)
    {
        $type = substr($method, 0, 3);
        $property = Zf_Orm_StringInflector::underscore(substr($method, 3));
        if ('get' === $type) {
            if (property_exists($this, $property)) {
                return $this->$property;
            }
        } elseif ('set' === $type) {
            if (property_exists($this, $property)) {
                $this->$property = $args[0];
                return;
            }
        }
        $message = 'Invalid method call: ' . get_class($this) . '::' . $method . '()';
        throw new BadMethodCallException($message);
    }
}