import { cpSync, existsSync, mkdirSync, rmSync } from "node:fs";
import { dirname, join } from "node:path";
import { fileURLToPath } from "node:url";

const root = dirname(dirname(fileURLToPath(import.meta.url)));
const candidateBuilds = [
  join(root, "node_modules", "cesium", "Build", "Cesium"),
  join(root, "web-test", "node_modules", "cesium", "Build", "Cesium"),
];
const cesiumBuild = candidateBuilds.find((value) => existsSync(value));
const target = join(root, "web-test", "public", "cesium");

if (!cesiumBuild) {
  throw new Error("Cesium package is not installed. Run npm.cmd install first.");
}

mkdirSync(target, { recursive: true });

for (const name of ["Assets", "ThirdParty", "Workers", "Widgets"]) {
  const source = join(cesiumBuild, name);
  const destination = join(target, name);
  rmSync(destination, { recursive: true, force: true });
  cpSync(source, destination, { recursive: true });
}

console.log(`Copied Cesium runtime assets to ${target}`);