import { createHash } from "node:crypto";
import { readFile, stat, writeFile } from "node:fs/promises";
import path from "node:path";
import { NodeIO } from "@gltf-transform/core";
import { ALL_EXTENSIONS } from "@gltf-transform/extensions";
import { MeshoptDecoder } from "meshoptimizer";
import { extractNavigationComponent } from "./extract-navigation-component.mjs";

const projectRoot = path.resolve(import.meta.dirname, "../..");
const directory = path.join(projectRoot, "public/assets/game/arenas/warnorken-arena");
const source = path.join(directory, "navigation-source.glb");
const output = path.join(directory, "navigation.glb");
const teamSpawns = [[-42.7, -21.75, 14.12], [41.3, -21.65, -6.58]];
const connected = await extractNavigationComponent({ source, output, teamSpawns });
const io = new NodeIO().registerExtensions(ALL_EXTENSIONS).registerDependencies({ "meshopt.decoder": MeshoptDecoder });
const assets = [];
for (const name of ["visual", "collision", "navigation"]) {
  const file = path.join(directory, `${name}.glb`);
  const bytes = await readFile(file);
  const document = await io.read(file);
  const triangles = document.getRoot().listMeshes().reduce((sum, mesh) => sum + mesh.listPrimitives().reduce((primitiveSum, primitive) => primitiveSum + (primitive.getIndices()?.getCount() ?? primitive.getAttribute("POSITION")?.getCount() ?? 0) / 3, 0), 0);
  assets.push({ file: `${name}.glb`, bytes: (await stat(file)).size, triangles: Math.round(triangles), sha256: createHash("sha256").update(bytes).digest("hex") });
}
await writeFile(path.join(directory, "stage-pack.json"), `${JSON.stringify({
  schemaVersion: 1,
  id: "warnorken-arena",
  title: "Warnorken Arena",
  status: "validated",
  source: { kind: "validated-runewaker-package", navigationSource: "navigation-source.glb" },
  navigation: connected,
  assets,
}, null, 2)}\n`);
console.log(`warnorken-arena: ${connected.triangles} connected navigation triangles`);