<?php

/**
 * Configurable
 *
 * @package Less
 * @subpackage Core
 */
abstract class Less_Configurable {

    /**
     * Array of options
     *
     * @var array
     */
    protected $options = [];

    /**
     * Array of default options
     *
     * @var array
     */
    protected $defaultOptions = [];


    /**
     * Set options
     *
     * If $options is an object it will be converted into an array by called
     * it's toArray method.
     *
     * @throws Exception
     *
     * @param array|object $options
     *
     */
    public function setOptions($options) {
        $options = array_intersect_key($options, $this->defaultOptions);
        $this->options = array_merge($this->defaultOptions, $this->options, $options);
    }


    /**
     * Get an option value by name
     *
     * If the option is empty or not set a NULL value will be returned.
     *
     * @param string $name
     * @param mixed  $default Default value if confiuration of $name is not present
     *
     * @return mixed
     */
    public function getOption($name, $default = NULL) {
        if (isset($this->options[$name])) {
            return $this->options[$name];
        }

        return $default;
    }


    /**
     * Set an option
     *
     * @param string $name
     * @param mixed  $value
     */
    public function setOption($name, $value) {
        $this->options[$name] = $value;
    }

}