<?php
/**
 * @copyright Ilch 2.0
 * @package ilch
 */

namespace Ilch\Config;

class File
{
    /**
     * @var array
     */
    protected $configData;

    /**
     * Gets the config for given key.
     *
     * @param  string     $key
     * @return mixed|null
     */
    public function get($key)
    {
        if (isset($this->configData[$key])) {
            return $this->configData[$key];
        }

        return null;

    }

    /**
     * Sets the config for given key/vale.
     *
     * @param string         $key
     * @param string|integer $value
     */
    public function set($key, $value)
    {
        $this->configData[$key] = $value;
    }

    /**
     * Loads the config from the given path.
     *
     * @param string $fileName
     */
    public function loadConfigFromFile($fileName)
    {
        if (file_exists($fileName)) {
            require $fileName;
        }

        if (!empty($config)) {
            foreach ($config as $key => $value) {
                $this->set($key, $value);
            }
        }
    }

    /**
     * Saves the whole config in a file.
     *
     * @param string $fileName
     */
    public function saveConfigToFile($fileName)
    {
        $fileString = '<?php';
        $fileString .= "\n";
        $fileString .= '$config = '.var_export_short_syntax($this->configData).';';
        $fileString .= "\n";
        $fileString .= '';
        file_put_contents($fileName, $fileString);
    }
}
