<?php
namespace AuroraAdmin\MenuCreator;

defined("ABSPATH") || exit();

/**
 * Custom admin-menu configurations: hide/rename/reorder WP's native menu
 * items per role. Storage + the runtime hook that actually applies a
 * published config live here; REST CRUD lives in MenuCreatorData.php.
 */
class MenuCreator
{
  const TABLE = "aurora_admin_menus";
  const DB_VERSION = "1";
  const DB_OPTION = "aurora_admin_menus_db_version";

  public function __construct()
  {
    add_action("init", [self::class, "maybe_install"]);
    // Late priority so it runs after all other plugins have registered
    // their own menu items — there's nothing left to reorder/hide otherwise.
    add_action("admin_menu", [self::class, "apply"], PHP_INT_MAX);
  }

  public static function table_name()
  {
    global $wpdb;
    return $wpdb->prefix . self::TABLE;
  }

  public static function maybe_install()
  {
    if (get_option(self::DB_OPTION) === self::DB_VERSION) {
      return;
    }

    global $wpdb;
    $table = self::table_name();
    $charset = $wpdb->get_charset_collate();

    $sql = "CREATE TABLE {$table} (
      id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
      name VARCHAR(191) NOT NULL DEFAULT '',
      status VARCHAR(20) NOT NULL DEFAULT 'draft',
      roles TEXT NULL,
      items LONGTEXT NULL,
      created_at DATETIME NOT NULL,
      updated_at DATETIME NOT NULL,
      PRIMARY KEY (id),
      KEY idx_status (status)
    ) {$charset};";

    require_once ABSPATH . "wp-admin/includes/upgrade.php";
    dbDelta($sql);

    update_option(self::DB_OPTION, self::DB_VERSION);
  }

  /**
   * Applies every published config whose target roles match the current
   * user: hides items marked hidden and relabels items with a custom label.
   */
  public static function apply()
  {
    global $menu, $wpdb;

    if (!is_admin() || !function_exists("wp_get_current_user")) {
      return;
    }

    $user = wp_get_current_user();
    if (!$user || !$user->exists()) {
      return;
    }

    $table = self::table_name();
    // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- {$table} is an internal, hardcoded {$wpdb->prefix}-based table name, not user input; no user-supplied values in this query. Runs on every admin page load to build the sidebar menu, so a per-request cache wouldn't help; a persistent cache would need its own invalidation on every config save, more complexity than this read is worth.
    $configs = $wpdb->get_results("SELECT roles, items FROM {$table} WHERE status = 'published'");
    if (!$configs) {
      return;
    }

    foreach ($configs as $config) {
      $roles = json_decode($config->roles ?: "[]", true);
      if (!is_array($roles) || !$roles) {
        continue;
      }
      if (!array_intersect((array) $user->roles, $roles)) {
        continue;
      }

      $items = json_decode($config->items ?: "[]", true);
      if (!is_array($items)) {
        continue;
      }

      foreach ($items as $item) {
        $native_id = isset($item["native_id"]) ? $item["native_id"] : "";
        if ($native_id === "") {
          continue;
        }

        foreach ($menu as $key => $entry) {
          if (!isset($entry[2]) || $entry[2] !== $native_id) {
            continue;
          }

          if (!empty($item["hidden"])) {
            unset($menu[$key]);
            continue 2;
          }

          if (!empty($item["label"])) {
            $menu[$key][0] = sanitize_text_field($item["label"]);
          }
        }
      }
    }
  }
}