import type { BehaviorLookup } from '../graph/lookup';
import { resolveAssetProps } from '../properties/resolve';
import { findAsset, type Project } from './Project';

/**
 * What a `Run behavior` node needs from the project. `defaults` are the asset's variable values;
 * every call copies them, so a nested behavior never carries state from one call to the next.
 */
export function behaviorLookup(project: Project): BehaviorLookup {
  return (assetId) => {
    const asset = findAsset(project, assetId);
    if (!asset || asset.type !== 'behavior') return null;
    return { name: asset.name, graph: asset.graph, defaults: resolveAssetProps(asset) };
  };
}