<?php defined('SYSPATH') or die('No direct access allowed.');

/**
 * This class extends Kohana's [ORM] class to create defaults for TSM.
 *
 * @package    TSM Database Module
 * @category   Query
 * @author     Deon George
 * @copyright  (c) 2010-2014 Deon George
 * @license    http://dev.leenooks.net/license.html
 */
abstract class lnApp_Database_Query_Builder_Insert extends Kohana_Database_Query_Builder_Insert {
	private $_commands = array(
		'NODES'=>array(
			'OPTION_SET'=>'CLOPTSET',
			'DOMAIN_NAME'=>'DOMAIN',
		),
	);

	public function compile($db = NULL) {
		if (! is_object($db)) {
			// Get the database instance
			$db = Database::instance($db);
		}

		if (! $db instanceof Database_Tsm_dsmadmc)
			return parent::compile($db);

		switch ($this->_table) {
			case 'ADMINS':
				$query = sprintf('REGISTER ADMIN %s %s %s',$this->pop_value('ADMIN_NAME'),$this->pop_value('PASSWORD'),$this->insert_values());

				break;
			case 'NODES':
				$query = sprintf('REGISTER NODE %s %s %s',$this->pop_value('NODE_NAME'),$this->pop_value('PASSWORD'),$this->insert_values());

				break;

			default:
				throw HTTP_Exception::factory(501,'Not setup for table :table',array(':table'=>$this->_table));
		}

		return $query;
	}

	private function get_keyalt($key) {
		return isset($this->_commands[$this->_table][$key]) ? $this->_commands[$this->_table][$key] : $key;
	}

	private function get_key($key) {
		return array_search($key,$this->_columns);
	}

	// @todo Values always go in as an array - should see if we can stop that
	private function get_value($key) {
		return (is_numeric($x=$this->get_key($key))) ? $this->_values[0][$x] : '';
	}

	private function insert_values() {
		$result = '';

		foreach ($this->_columns as $k=>$v) {
			if ($result)
				$result .= ' ';

			$result .= sprintf('%s=\'%s\'',$this->get_keyalt($v),$this->get_value($v));
		}

		return $result;
	}

	private function pop_value($key) {
		$result = NULL;

		$x = $this->get_key($key);

		$result = $this->get_value($key);
		unset($this->_columns[$x]);
		unset($this->_values[0][$x]);

		return $result;
	}
}
?>