<?php
/**
 * Verzamelt hooks en meldt ze in één keer aan.
 *
 * @package BoardIt
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Loader-patroon: klassen geven hun hooks op, run() meldt ze aan bij WordPress.
 */
class Boardit_Loader {

	/**
	 * Acties.
	 *
	 * @var array[]
	 */
	protected $actions = array();

	/**
	 * Filters.
	 *
	 * @var array[]
	 */
	protected $filters = array();

	/**
	 * Voegt een actie toe.
	 *
	 * @param string        $hook          Hooknaam.
	 * @param object|string $component     Object of klassenaam.
	 * @param string        $callback      Methode.
	 * @param int           $priority      Prioriteit.
	 * @param int           $accepted_args Aantal argumenten.
	 */
	public function add_action( $hook, $component, $callback, $priority = 10, $accepted_args = 1 ) {
		$this->actions = $this->add( $this->actions, $hook, $component, $callback, $priority, $accepted_args );
	}

	/**
	 * Voegt een filter toe.
	 *
	 * @param string        $hook          Hooknaam.
	 * @param object|string $component     Object of klassenaam.
	 * @param string        $callback      Methode.
	 * @param int           $priority      Prioriteit.
	 * @param int           $accepted_args Aantal argumenten.
	 */
	public function add_filter( $hook, $component, $callback, $priority = 10, $accepted_args = 1 ) {
		$this->filters = $this->add( $this->filters, $hook, $component, $callback, $priority, $accepted_args );
	}

	/**
	 * Voegt een hook toe aan een lijst.
	 *
	 * @param array[]       $hooks         Lijst.
	 * @param string        $hook          Hooknaam.
	 * @param object|string $component     Object of klassenaam.
	 * @param string        $callback      Methode.
	 * @param int           $priority      Prioriteit.
	 * @param int           $accepted_args Aantal argumenten.
	 * @return array[]
	 */
	private function add( $hooks, $hook, $component, $callback, $priority, $accepted_args ) {
		$hooks[] = array(
			'hook'          => $hook,
			'component'     => $component,
			'callback'      => $callback,
			'priority'      => $priority,
			'accepted_args' => $accepted_args,
		);
		return $hooks;
	}

	/**
	 * Meldt alle hooks aan bij WordPress.
	 */
	public function run() {
		foreach ( $this->filters as $hook ) {
			add_filter( $hook['hook'], array( $hook['component'], $hook['callback'] ), $hook['priority'], $hook['accepted_args'] );
		}
		foreach ( $this->actions as $hook ) {
			add_action( $hook['hook'], array( $hook['component'], $hook['callback'] ), $hook['priority'], $hook['accepted_args'] );
		}
	}
}