<?php

namespace AIMuse;

use AIMuse\Exceptions\HookException;
use AIMuse\WordPress\Hooks\Hook;

class Hooks
{
  public static function register()
  {
    $hooks = [];

    $directory = new \RecursiveDirectoryIterator(aimuse()->dir() . 'src/WordPress/Hooks');
    $iterator = new \RecursiveIteratorIterator($directory);

    /**
     * @var \SplFileInfo $file
     */
    foreach ($iterator as $file) {
      if (
        $file->getFilename() == 'Filter.php'
        ||
        $file->getFilename() == 'Action.php'
      ) {
        continue;
      }

      if (
        !str_ends_with($file->getFilename(), 'Filter.php')
        &&
        !str_ends_with($file->getFilename(), 'Action.php')
      ) {
        continue;
      }

      $relativePath = ltrim($file->getPath(), aimuse()->dir() . 'src/');
      $relativePath = str_replace('/', '\\', $relativePath);

      if ($file->isFile()) {
        $hooks[] = 'AIMuse\\' . $relativePath . '\\' . rtrim($file->getFilename(), '.php');
      }
    }

    foreach ($hooks as $hook) {
      if (!class_exists($hook)) {
        throw new HookException("Hook class $hook does not exist.");
      }

      if (!is_subclass_of($hook, Hook::class)) {
        throw new HookException('Hook must be a subclass of Hook');
      }

      (new $hook())->register();
    }
  }
}