<?php
  /**
   * Copyright (c) 2014 Arthur Schiwon <blizzz@owncloud.com>
   * This file is licensed under the Affero General Public License version 3 or
   * later.
   * See the COPYING-README file.
   */
  
  namespace OCA\user_ldap\Command;
  
  use Symfony\Component\Console\Command\Command;
  use Symfony\Component\Console\Input\InputArgument;
  use Symfony\Component\Console\Input\InputInterface;
  use Symfony\Component\Console\Input\InputOption;
  use Symfony\Component\Console\Output\OutputInterface;
  use \OCA\user_ldap\lib\Helper;
  use \OCA\user_ldap\lib\Configuration;
  
  class SetConfig extends Command {
  
  	protected function configure() {
  		$this
  			->setName('ldap:set-config')
  			->setDescription('modifies an LDAP configuration')
  			->addArgument(
  					'configID',
  					InputArgument::REQUIRED,
  					'the configuration ID'
  				     )
  			->addArgument(
  					'configKey',
  					InputArgument::REQUIRED,
  					'the configuration key'
  				     )
  			->addArgument(
  					'configValue',
  					InputArgument::REQUIRED,
  					'the new configuration value'
  				     )
  		;
  	}
  
  	protected function execute(InputInterface $input, OutputInterface $output) {
  		$availableConfigs = Helper::getServerConfigurationPrefixes();
  		$configID = $input->getArgument('configID');
  		if(!in_array($configID, $availableConfigs)) {
  			$output->writeln("Invalid configID");
  			return;
  		}
  
  		$this->setValue(
  			$configID,
  			$input->getArgument('configKey'),
  			$input->getArgument('configValue')
  		);
  	}
  
  	/**
  	 * save the configuration value as provided
  	 * @param string $configID
  	 * @param string $configKey
  	 * @param string $configValue
  	 */
  	protected function setValue($configID, $key, $value) {
  		$configHolder = new Configuration($configID);
  		$configHolder->$key = $value;
  		$configHolder->saveConfiguration();
  	}
  }