import { cp, mkdir, rm, readFile } from "node:fs/promises";
import { dirname, join } from "node:path";
import { fileURLToPath } from "node:url";

const appRoot = dirname(dirname(fileURLToPath(import.meta.url)));
const distDir = join(appRoot, "dist");

await rm(distDir, { recursive: true, force: true });
await mkdir(distDir, { recursive: true });
await cp(join(appRoot, "index.html"), join(distDir, "index.html"));
await cp(join(appRoot, "src"), join(distDir, "src"), { recursive: true });

const packageJson = JSON.parse(await readFile(join(appRoot, "package.json"), "utf8"));
const forbiddenDependencies = ["react", "vue", "@angular/core", "svelte"];
const dependencyNames = [
  ...Object.keys(packageJson.dependencies || {}),
  ...Object.keys(packageJson.devDependencies || {}),
];
const forbidden = dependencyNames.filter((name) => forbiddenDependencies.includes(name));

if (forbidden.length > 0) {
  throw new Error(`forbidden frontend framework dependency detected: ${forbidden.join(", ")}`);
}

console.log("gmoccapy_static_build=ok");