import * as plugins from '../../plugins.js';
import type { OpsServer } from '../classes.opsserver.js';
import * as interfaces from '../../../ts_interfaces/index.js';

/**
 * Read-only handler for OpsServer user accounts. Registers on adminRouter,
 * so admin middleware enforces auth + role check before the handler runs.
 * User data is owned by AdminHandler; this handler just exposes a safe
 * projection of it via TypedRequest.
 */
export class UsersHandler {
  constructor(private opsServerRef: OpsServer) {
    this.registerHandlers();
  }

  private registerHandlers(): void {
    const router = this.opsServerRef.adminRouter;

    // List users (admin-only, read-only)
    router.addTypedHandler(
      new plugins.typedrequest.TypedHandler<interfaces.requests.IReq_ListUsers>(
        'listUsers',
        async (_dataArg) => {
          const users = this.opsServerRef.adminHandler.listUsers();
          return { users };
        },
      ),
    );
  }
}