<?php
/**
 * Plugin Loader
 *
 * Register all actions and filters for the plugin
 *
 * php version 7.4+
 *
 * @category   Plugin
 * @package    ACFG
 * @subpackage ACFG/admin/partials
 * @author     Refact <dev@refact.co>
 * @license    GPL-2.0+ http://www.gnu.org/licenses/gpl-2.0.txt
 * @link       https://refact.co/
 */

namespace Refact\ACFG;

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

/**
 * 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.
 *
 * @category   Plugin
 * @package    ACFG
 * @subpackage ACFG/includes
 * @author     Refact <info@refact.co>
 * @license    GPL-2.0+ http://www.gnu.org/licenses/gpl-2.0.txt
 * @link       https://refact.co/
 * @since      1.0.0
 */
class ACFG_Loader
{

    /**
     * The array of actions registered with WordPress.
     *
     * @since    1.0.0
     * @access   protected
     * @var      array    $actions    when the plugin loads.
     */
    protected $actions;

    /**
     * The array of filters registered with WordPress.
     *
     * @since    1.0.0
     * @access   protected
     * @var      array    $filters    when the plugin loads.
     */
    protected $filters;

    /**
     * Initialize the collections used to maintain the actions and filters.
     *
     * @since    1.0.0
     */
    public function __construct()
    {

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

    /**
     * Add a new action to the collection to be registered with WordPress.
     *
     * @since 1.0.0
     * @param string $hook The name of the WP action.
     * @param object $component A reference to the instance action.
     * @param string $callback The name of the function.
     * @param int    $priority Optional. priority. Default 10.
     * @param int    $accepted_args Optional. number of arguments. Default 1.
     */
    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        1.0.0
     * @param string $hook       The name of the WordPress filter.
     * @param object $component  A reference to the instance.
     * @param string $callback   The name of the function.
     * @param int    $priority   Optional. The priority. Default is 10.
     * @param int    $accepted_args Optional. Number of arguments. Default 1.
     */
    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    1.0.0
     * @access   private
     * @param    array  $hooks            Hooks that is being registered.
     * @param    string $hook             The name the filter.
     * @param    object $component        A reference to the instance.
     * @param    string $callback         The name of the function.
     * @param    int    $priority         The priority.
     * @param    int    $accepted_args    The number of arguments.
     * @return   array  $hooks            Actions and filters registered.
     */
    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    1.0.0
     */
    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']
            );
        }
    }
}