<?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 ShowConfig extends Command {
  
  	protected function configure() {
  		$this
  			->setName('ldap:show-config')
  			->setDescription('shows the LDAP configuration')
  			->addArgument(
  					'configID',
  					InputArgument::OPTIONAL,
  					'will show the configuration of the specified id'
  				     )
  		;
  	}
  
  	protected function execute(InputInterface $input, OutputInterface $output) {
  		$availableConfigs = Helper::getServerConfigurationPrefixes();
  		$configID = $input->getArgument('configID');
  		if(!is_null($configID)) {
  			$configIDs[] = $configID;
  			if(!in_array($configIDs[0], $availableConfigs)) {
  				$output->writeln("Invalid configID");
  				return;
  			}
  		} else {
  			$configIDs = $availableConfigs;
  		}
  
  		$this->renderConfigs($configIDs, $output);
  	}
  
  	/**
  	 * prints the LDAP configuration(s)
  	 * @param string[] configID(s)
  	 * @param OutputInterface $output
  	 */
  	protected function renderConfigs($configIDs, $output) {
  		foreach($configIDs as $id) {
  			$configHolder = new Configuration($id);
  			$configuration = $configHolder->getConfiguration();
  			ksort($configuration);
  
  			$table = $this->getHelperSet()->get('table');
  			$table->setHeaders(array('Configuration', $id));
  			$rows = array();
  			foreach($configuration as $key => $value) {
  				if($key === 'ldapAgentPassword') {
  					$value = '***';
  				}
  				if(is_array($value)) {
  					$value = implode(';', $value);
  				}
  				$rows[] = array($key, $value);
  			}
  			$table->setRows($rows);
  			$table->render($output);
  		}
  	}
  }