import {ChildNodesProps} from "./ChildNodesProps";
import {Connection} from "./Connection";
import {DependencyDef} from "./DependencyDef";
import {PortExposures} from "./PortExposures";

/**
 * Definition of a node that is implemented with structure (of child nodes).
 * Structure nodes (or 'composite' nodes) are the most common components of
 * Cranq programs.
 */
export interface StructureNodeDef<I, O, C> {
  childNodesProps: ChildNodesProps<I, C>;
  connections: Array<Connection<keyof C, any, any>>;
  dependencies: Array<DependencyDef>;
  exposedInputs: PortExposures<I, keyof C, any>;
  exposedOutputs: PortExposures<O, keyof C, any>;
  inputNames: Array<keyof I>;
  outputNames: Array<keyof O>;
  spreadInputNames: Array<keyof I>;
  spreadOutputNames: Array<keyof I>;
}