<?php
  /**
   * Copyright (c) 2013 Bart Visscher <bartv@thisnet.nl>
   * This file is licensed under the Affero General Public License version 3 or
   * later.
   * See the COPYING-README file.
   */
  
  namespace OC\Core\Command\Db;
  
  use Symfony\Component\Console\Command\Command;
  use Symfony\Component\Console\Input\InputArgument;
  use Symfony\Component\Console\Input\InputInterface;

  use Symfony\Component\Console\Output\OutputInterface;
  
  class GenerateChangeScript extends Command {
  	protected function configure() {
  		$this
  			->setName('db:generate-change-script')
  			->setDescription('generates the change script from the current connected db to db_structure.xml')
  			->addArgument(
  				'schema-xml',
  				InputArgument::OPTIONAL,
  				'the schema xml to be used as target schema',
  				\OC::$SERVERROOT . '/db_structure.xml'
  			)
  		;
  	}
  
  	protected function execute(InputInterface $input, OutputInterface $output) {
  
  		$file = $input->getArgument('schema-xml');
  
  		$schemaManager = new \OC\DB\MDB2SchemaManager(\OC_DB::getConnection());
  
  		try {
  			$result = $schemaManager->updateDbFromStructure($file, true);
  			$output->writeln($result);
  		} catch (\Exception $e) {
  			$output->writeln('Failed to update database structure ('.$e.')');
  		}
  
  	}
  }