<?php

/*
 * This file is part of the Access to Memory (AtoM) software.
 *
 * Access to Memory (AtoM) is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Access to Memory (AtoM) is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Access to Memory (AtoM).  If not, see <http://www.gnu.org/licenses/>.
 */

/**
 * arElasticSearchConfigHandler.
 */
class arElasticSearchConfigHandler extends sfYamlConfigHandler
{
    /**
     * Executes this configuration handler.
     *
     * @param array $configFiles An array of absolute filesystem path to a configuration file
     *
     * @return string Data to be written to a cache file
     */
    public function execute($configFiles)
    {
        // Parse the yaml
        $config = self::getConfiguration($configFiles);

        // Compile data
        $retval = "<?php\n"
            ."// auto-generated by %s\n"
            ."// date: %s\nreturn %s;\n";

        return sprintf($retval, __CLASS__, date('Y/m/d H:i:s'), var_export($config, true));
    }

    /**
     * @see sfConfigHandler
     */
    public static function getConfiguration(array $configFiles)
    {
        return self::replaceConstants(self::flattenConfigurationWithEnvironment(self::parseYamls($configFiles)));
    }
}
