import { NodeIO } from "@gltf-transform/core";
import { BufferAttribute, BufferGeometry } from "three";
import { describe, expect, it } from "vitest";
import {
  buildPartyNavigationGraph,
  findNearestPartyNavigationSurface,
  findPartyNavigationPath,
} from "./partyNavigation";

const PASPERS_ENTRANCE = [-0.181739, 0.349067, -11.472769] as const;
const BLACKHORN_NISORN = [80.518555, 0.448065, -115.173169] as const;

describe("shipping Pasper's Shrine party navigation", () => {
  it("routes from the entrance to the first source-authored boss", async () => {
    const document = await new NodeIO().read(
      "src/assets/game/dungeons/paspers-shrine/paspers-shrine-navigation.glb",
    );
    const primitive = document.getRoot().listMeshes()[0]?.listPrimitives()[0];
    const positions = primitive?.getAttribute("POSITION")?.getArray();
    const indices = primitive?.getIndices()?.getArray();
    if (!positions || !indices) throw new Error("Pasper navigation asset is not indexed.");

    const geometry = new BufferGeometry();
    geometry.setAttribute("position", new BufferAttribute(new Float32Array(positions), 3));
    geometry.setIndex(new BufferAttribute(new Uint32Array(indices), 1));
    const graph = buildPartyNavigationGraph(geometry);
    const approach = findNearestPartyNavigationSurface(graph, BLACKHORN_NISORN, 6);
    expect(approach?.distance).toBeGreaterThan(5);
    expect(approach?.distance).toBeLessThan(6);
    const route = findPartyNavigationPath(graph, PASPERS_ENTRANCE, approach!.position, {
      maxStartSnapDistance: 3,
      maxEndSnapDistance: 5,
      simplifyTolerance: 0.01,
    });
    geometry.dispose();

    expect(route).not.toBeNull();
    expect(route!.length).toBeGreaterThan(1);
  });
});