<?php

/**
 * Register all actions and filters for the plugin
 *
 * @link       https://www.3cx.com
 * @since      10.0.0
 *
 * @package    wplc_Plugin
 * @subpackage wplc_Plugin/includes
 */

/**
 * Register all actions and filters for the plugin.
 *
 * Maintain a list of all hooks that are registered throughout
 * the plugin, and register them with the WordPress API. Call the
 * run function to execute the list of actions and filters.
 *
 * @package    wplc_Plugin
 * @subpackage wplc_Plugin/includes
 * @author     3CX <wordpress@3cx.com>
 */
class wplc_Plugin_Loader
{

  /**
   * The array of actions registered with WordPress.
   *
   * @since    10.0.0
   * @access   protected
   * @var      array    $actions    The actions registered with WordPress to fire when the plugin loads.
   */
  protected $actions;

  /**
   * The array of filters registered with WordPress.
   *
   * @since    10.0.0
   * @access   protected
   * @var      array    $filters    The filters registered with WordPress to fire when the plugin loads.
   */
  protected $filters;

  /**
   * Initialize the collections used to maintain the actions and filters.
   *
   * @since    10.0.0
   */
  public function __construct()
  {

    $this->actions = array();
    $this->filters = array();
  }

  /**
   * Add a new action to the collection to be registered with WordPress.
   *
   * @since    10.0.0
   * @param      string               $hook             The name of the WordPress action that is being registered.
   * @param      object               $component        A reference to the instance of the object on which the action is defined.
   * @param      string               $callback         The name of the function definition on the $component.
   * @param      int      Optional    $priority         The priority at which the function should be fired.
   * @param      int      Optional    $accepted_args    The number of arguments that should be passed to the $callback.
   */
  public function add_action($hook, $component, $callback, $priority = 10, $accepted_args = 1)
  {
    $this->actions = $this->add($this->actions, $hook, $component, $callback, $priority, $accepted_args);
  }

  /**
   * Add a new filter to the collection to be registered with WordPress.
   *
   * @since    10.0.0
   * @param      string               $hook             The name of the WordPress filter that is being registered.
   * @param      object               $component        A reference to the instance of the object on which the filter is defined.
   * @param      string               $callback         The name of the function definition on the $component.
   * @param      int      Optional    $priority         The priority at which the function should be fired.
   * @param      int      Optional    $accepted_args    The number of arguments that should be passed to the $callback.
   */
  public function add_filter($hook, $component, $callback, $priority = 10, $accepted_args = 1)
  {
    $this->filters = $this->add($this->filters, $hook, $component, $callback, $priority, $accepted_args);
  }

  /**
   * A utility function that is used to register the actions and hooks into a single
   * collection.
   *
   * @since    10.0.0
   * @access   private
   * @param      array                $hooks            The collection of hooks that is being registered (that is, actions or filters).
   * @param      string               $hook             The name of the WordPress filter that is being registered.
   * @param      object               $component        A reference to the instance of the object on which the filter is defined.
   * @param      string               $callback         The name of the function definition on the $component.
   * @param      int      Optional    $priority         The priority at which the function should be fired.
   * @param      int      Optional    $accepted_args    The number of arguments that should be passed to the $callback.
   * @return   type                                   The collection of actions and filters registered with WordPress.
   */
  private function add($hooks, $hook, $component, $callback, $priority, $accepted_args)
  {

    $hooks[] = array(
      'hook'          => $hook,
      'component'     => $component,
      'callback'      => $callback,
      'priority'      => $priority,
      'accepted_args' => $accepted_args
    );

    return $hooks;
  }

  /**
   * Register the filters and actions with WordPress.
   *
   * @since    10.0.0
   */
  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']);
    }
  }
}