<?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.
 */

namespace ProxyManager\Autoloader;

use ProxyManager\FileLocator\FileLocatorInterface;
use ProxyManager\Inflector\ClassNameInflectorInterface;

/**
 * {@inheritDoc}
 *
 * @author Marco Pivetta <ocramius@gmail.com>
 * @license MIT
 */
class Autoloader implements AutoloaderInterface
{
    /**
     * @var \ProxyManager\FileLocator\FileLocatorInterface
     */
    protected $fileLocator;

    /**
     * @var \ProxyManager\Inflector\ClassNameInflectorInterface
     */
    protected $classNameInflector;

    /**
     * @param \ProxyManager\FileLocator\FileLocatorInterface      $fileLocator
     * @param \ProxyManager\Inflector\ClassNameInflectorInterface $classNameInflector
     */
    public function __construct(FileLocatorInterface $fileLocator, ClassNameInflectorInterface $classNameInflector)
    {
        $this->fileLocator        = $fileLocator;
        $this->classNameInflector = $classNameInflector;
    }

    /**
     * {@inheritDoc}
     */
    public function __invoke($className)
    {
        if (class_exists($className, false) || ! $this->classNameInflector->isProxyClassName($className)) {
            return false;
        }

        $file = $this->fileLocator->getProxyFileName($className);

        if (! file_exists($file)) {
            return false;
        }

        return (bool) require_once $file;
    }
}
