import { UserError } from 'n8n-workflow';

/**
 * Stable code on `BuilderNotConfiguredError` so the SSE stream / FE can
 * detect the unconfigured state and render the "go to settings" empty
 * state without parsing the human-readable message.
 */
export const BUILDER_NOT_CONFIGURED_CODE = 'BUILDER_NOT_CONFIGURED';

export class BuilderNotConfiguredError extends UserError {
	readonly code = BUILDER_NOT_CONFIGURED_CODE;

	constructor() {
		super(
			'Agent builder is not configured. An admin must select a provider and credential, or configure the n8n AI assistant proxy.',
		);
	}
}