<?php
/**
 * Hook loader for registering actions and filters.
 *
 * @package AarambhaCaseManagement
 */

namespace AarambhaCaseManagement\Core;

defined( 'ABSPATH' ) || exit;

/**
 * Collects action/filter registrations and registers them with WordPress.
 */
class Loader {

	/**
	 * Action hooks.
	 *
	 * @var array
	 */
	private array $actions = [];

	/**
	 * Filter hooks.
	 *
	 * @var array
	 */
	private array $filters = [];

	/**
	 * Queue an action hook for registration.
	 *
	 * @param string $hook          Action hook name.
	 * @param object $component     Object instance the callback lives on.
	 * @param string $callback      Method name to call on $component.
	 * @param int    $priority      Hook priority. Default 10.
	 * @param int    $accepted_args Number of arguments the callback accepts. Default 1.
	 * @return void
	 */
	public function add_action(
		string $hook,
		object $component,
		string $callback,
		int $priority = 10,
		int $accepted_args = 1
	): void {
		$this->actions[] = [
			'hook'          => $hook,
			'component'     => $component,
			'callback'      => $callback,
			'priority'      => $priority,
			'accepted_args' => $accepted_args,
		];
	}

	/**
	 * Queue a filter hook for registration.
	 *
	 * @param string $hook_name     Filter hook name.
	 * @param object $component     Object instance the callback lives on.
	 * @param string $callback      Method name to call on $component.
	 * @param int    $priority      Hook priority. Default 10.
	 * @param int    $accepted_args Number of arguments the callback accepts. Default 1.
	 * @return void
	 */
	public function add_filter(
		string $hook_name,
		object $component,
		string $callback,
		int $priority = 10,
		int $accepted_args = 1
	): void {

		$this->filters[] = [
			'hook'          => $hook_name,
			'component'     => $component,
			'callback'      => $callback,
			'priority'      => $priority,
			'accepted_args' => $accepted_args,
		];
	}

	/**
	 * Register all queued actions and filters with WordPress.
	 *
	 * @return void
	 */
	public function run(): void {

		foreach ( $this->actions as $action ) {

			add_action(
				$action['hook'],
				[ $action['component'], $action['callback'] ],
				$action['priority'],
				$action['accepted_args']
			);
		}

		foreach ( $this->filters as $filter ) {

			add_filter(
				$filter['hook'],
				[ $filter['component'], $filter['callback'] ],
				$filter['priority'],
				$filter['accepted_args']
			);
		}
	}
}