import { QualifiedName, AttributeIds } from "node-opcua-data-model";
import { NodeId } from "node-opcua-nodeid";
import { IBasicSessionAsync2 } from "node-opcua-pseudo-session";
import { AnyConstructorFunc } from "node-opcua-schemas";
//
import { getExtraDataTypeManager } from "./get_extra_data_type_manager";
import { readDataTypeDefinitionAndBuildType } from "./private/populate_data_type_manager_104";

/**
 *
 */
export async function getExtensionObjectConstructor(session: IBasicSessionAsync2, dataTypeNodeId: NodeId): Promise<AnyConstructorFunc> {
   
    const dataTypeManager = await getExtraDataTypeManager(session);

    const dataTypeFactory = dataTypeManager.getDataTypeFactory(dataTypeNodeId.namespace);
    const structureInfo = dataTypeFactory.getStructureInfoForDataType(dataTypeNodeId);
    if (structureInfo) {
        return structureInfo.constructor as unknown as AnyConstructorFunc;
    }
    const dataValue = await session.read({
        nodeId: dataTypeNodeId,
        attributeId: AttributeIds.BrowseName
    });
    const browseName = dataValue.value.value as QualifiedName;
    await readDataTypeDefinitionAndBuildType(session, dataTypeNodeId, browseName.name!, dataTypeManager, {});

    return await dataTypeManager.getExtensionObjectConstructorFromDataType(dataTypeNodeId);
}