<?php

namespace StatsDBundle\StatsDBundle\Services;

class Config
{
    
    const INI_FILE =  '../Resources/config/statsd.ini';

    /**
     * @var Config
     */
    private static $_instance;

    /**
     * @var array
     */
    private $_data;


    /**
     * @param string $ini_file
     */
    private function __construct($ini_file = self::INI_FILE)
    {
        if ($ini_file == self::INI_FILE) {
            $ini_file = dirname(__FILE__) . DIRECTORY_SEPARATOR . $ini_file;
        }
        $this->_data = parse_ini_file($ini_file, true);
    }

    /**
     * @return Config
     */
    public static function getInstance()
    {
        if (!self::$_instance) {
            self::$_instance = new self();
        }

        return self::$_instance;
    }

    /**
     * @param string $section
     * 
     * @return boolean
     */
    public function isEnabled($section)
    {
        return isset($this->_data[$section]);
    }

    /**
     * @param string $name
     * 
     * @return string
     */
    public function getConfig($name)
    {
        $name_array = explode('.', $name, 2);

        if (count($name_array) < 2) {
            return;
        }

        list($section, $param) = $name_array;

        if (!isset($this->_data[$section][$param])) {
            return;
        }

        return $this->_data[$section][$param];
    }

}