import { soundLibrary } from '../../viewport/SoundLibrary';
import { centreOf, type HookContext } from './hookHelpers';

/** The Master routing tab (#351): its graph, where its nodes, ports and links are, and the buses it makes. */
export function routingHooks({ state, editor }: HookContext) {
  const { routingEditor } = editor;
  const canvas = routingEditor.canvas;
  return {
    routing: {
      shown: () => editor.tab === 'routing' && canvas.currentAssetId !== '',
      info: () => routingEditor.shownInfo,
      graph: () => JSON.parse(JSON.stringify(state.project.routing)) as unknown,
      portAt: (nodeId: string, port: string, isOutput: boolean) => canvas.portGlobal(nodeId, port, isOutput),
      nodeAt: (nodeId: string) => canvas.nodeGlobal(nodeId),
      edgeAt: (edgeId: string) => canvas.edgeGlobal(edgeId),
      label: (nodeId: string) => canvas.nodeLabel(nodeId),
      problem: (nodeId: string) => canvas.nodeProblem(nodeId),
      fitAt: () => centreOf(routingEditor.fitButton),
      /** The loudest sample on each side of these buses of the mix, tapped on first asking (#359). */
      peaks: (names: string[]) => Object.fromEntries(soundLibrary.busPeaks(names)),
      buses: () => soundLibrary.busLevels(),
    },
  };
}