<?php

namespace ADP\Settings;

use ADP\Settings\Exceptions\EnvironmentKeyNotFound;
use ADP\Settings\Exceptions\WrongKeyType;

class Environment {
	/**
	 * @var array
	 */
	protected $props = array();

	/**
	 * @var array
	 */
	protected $defaultProps = array();

	public function __construct() {
		$this->defaultProps = array(
			'debug' => true,
		);

		$this->props = $this->defaultProps;
	}

	public function isDebug() {
		return $this->getProp( 'debug' );
	}

	/**
	 * @param string $prop
	 *
	 * @return mixed
	 * @throws EnvironmentKeyNotFound
	 * @throws WrongKeyType
	 */
	protected function getProp( $prop ) {
		if ( ! is_string($prop) ) {
			throw new WrongKeyType();
		}

		if ( ! isset( $this->props[ $prop ] ) ) {
			throw new EnvironmentKeyNotFound();
		}

		return $this->props[ $prop ];
	}


}