/**
 * Admin Stats Actions
 * Server-side actions for core dashboard statistics
 *
 * Usage in your Next.js app:
 *
 * ```javascript
 * // app/(admin)/admin/[...admin]/page.js
 * import { protectAdmin } from '@zen/core/features/admin';
 * import { getDashboardStats } from '@zen/core/features/admin/actions';
 * import { AdminPagesClient } from '@zen/core/features/admin/pages';
 *
 * export default async function AdminPage({ params }) {
 *   const { user } = await protectAdmin();
 *
 *   const statsResult = await getDashboardStats();
 *   const dashboardStats = statsResult.success ? statsResult.stats : null;
 *
 *   return (
 *     <AdminPagesClient
 *       params={params}
 *       user={user}
 *       dashboardStats={dashboardStats}
 *     />
 *   );
 * }
 * ```
 */

'use server';

import { query } from '@zen/core/database';
import { fail } from '@zen/core/shared/logger';

/**
 * Get total number of users
 * @returns {Promise<number>}
 */
async function getTotalUsersCount() {
  try {
    const result = await query(
      `SELECT COUNT(*) as count FROM zen_auth_users`
    );
    return parseInt(result.rows[0].count) || 0;
  } catch (error) {
    fail(`Error getting users count: ${error.message}`);
    return 0;
  }
}

/**
 * Get core dashboard statistics
 * @returns {Promise<Object>}
 */
export async function getDashboardStats() {
  try {
    const totalUsers = await getTotalUsersCount();

    return {
      success: true,
      stats: {
        totalUsers,
      }
    };
  } catch (error) {
    fail(`Error getting dashboard stats: ${error.message}`);
    return {
      success: false,
      error: error.message || 'Failed to get dashboard statistics'
    };
  }
}