<?php
namespace Photonic_Plugin\Options;

class Options {
	private static $instance;

	private function __construct() {
		require_once("Defaults.php");
	}

	/**
	 *
	 */
	public function prepare_options() {
		global $photonic_setup_options;

		$photonic_setup_options = [];
		if (is_admin() && !empty($_REQUEST['page']) && in_array($_REQUEST['page'], ['photonic-options-manager', 'photonic-options'])) {
			require_once("Option_Tab.php");

			require_once("Generic.php");
			$options = Generic::get_instance()->get_options();
			$this->add_options($options, $photonic_setup_options);

			require_once("Flickr.php");
			$options = Flickr::get_instance()->get_options();
			$this->add_options($options, $photonic_setup_options);

			require_once("Google.php");
			$options = Google::get_instance()->get_options();
			$this->add_options($options, $photonic_setup_options);

			require_once("SmugMug.php");
			$options = SmugMug::get_instance()->get_options();
			$this->add_options($options, $photonic_setup_options);

			require_once("Instagram.php");
			$options = Instagram::get_instance()->get_options();
			$this->add_options($options, $photonic_setup_options);

			require_once("Zenfolio.php");
			$options = Zenfolio::get_instance()->get_options();
			$this->add_options($options, $photonic_setup_options);

			require_once("Lightbox.php");
			$options = Lightbox::get_instance()->get_options();
			$this->add_options($options, $photonic_setup_options);

			$defaults = Defaults::get_options();
			foreach ($photonic_setup_options as $default_option) {
				if (isset($default_option['id'])) {
					$default_option['std'] = $defaults[$default_option['id']];
				}
			}
		}
	}

	public static function get_instance() {
		if (self::$instance == null) {
			self::$instance = new Options();
		}
		return self::$instance;
	}

	/**
	 * @param $options array
	 * @param $photonic_setup_options array
	 */
	function add_options($options, &$photonic_setup_options) {
		foreach ($options as $option) {
			$photonic_setup_options[] = $option;
		}
	}
}

Options::get_instance();