<?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\DBAL\Tools\Console\Command;

use Symfony\Component\Console\Input\InputArgument,
    Symfony\Component\Console\Input\InputOption,
    Symfony\Component\Console;

/**
 * Task for executing arbitrary SQL that can come from a file or directly from
 * the command line.
 *
 * 
 * @link    www.doctrine-project.org
 * @since   2.0
 * @author  Benjamin Eberlei <kontakt@beberlei.de>
 * @author  Guilherme Blanco <guilhermeblanco@hotmail.com>
 * @author  Jonathan Wage <jonwage@gmail.com>
 * @author  Roman Borschel <roman@code-factory.org>
 */
class RunSqlCommand extends Console\Command\Command
{
    /**
     * @see Console\Command\Command
     */
    protected function configure()
    {
        $this
        ->setName('dbal:run-sql')
        ->setDescription('Executes arbitrary SQL directly from the command line.')
        ->setDefinition(array(
            new InputArgument('sql', InputArgument::REQUIRED, 'The SQL statement to execute.'),
            new InputOption('depth', null, InputOption::VALUE_REQUIRED, 'Dumping depth of result set.', 7)
        ))
        ->setHelp(<<<EOT
Executes arbitrary SQL directly from the command line.
EOT
        );
    }

    /**
     * @see Console\Command\Command
     */
    protected function execute(Console\Input\InputInterface $input, Console\Output\OutputInterface $output)
    {
        $conn = $this->getHelper('db')->getConnection();

        if (($sql = $input->getArgument('sql')) === null) {
            throw new \RuntimeException("Argument 'SQL' is required in order to execute this command correctly.");
        }

        $depth = $input->getOption('depth');

        if ( ! is_numeric($depth)) {
            throw new \LogicException("Option 'depth' must contains an integer value");
        }

        if (stripos($sql, 'select') === 0) {
            $resultSet = $conn->fetchAll($sql);
        } else {
            $resultSet = $conn->executeUpdate($sql);
        }

        ob_start();
        \Doctrine\Common\Util\Debug::dump($resultSet, (int) $depth);
        $message = ob_get_clean();

        $output->write($message);
    }
}