import { mkdir, copyFile, writeFile, readFile, cp } from "node:fs/promises";
import { createRequire } from "node:module";
import path from "node:path";
const require = createRequire(import.meta.url);
const root = path.resolve(import.meta.dirname, "..");
const copies = {
  "@mercuryworkshop/scramjet": ["scramjet.js", "scramjet.wasm"],
  "@mercuryworkshop/scramjet-controller": ["controller.api.js", "controller.inject.js", "controller.sw.js"],
  "@mercuryworkshop/bare-transport": ["index.mjs"],
};
for (const [name, files] of Object.entries(copies)) {
  const dist = path.dirname(require.resolve(name));
  const folder = name.endsWith("scramjet-controller") ? "controller" : name.endsWith("bare-transport") ? "bare" : "scramjet";
  const destination = path.join(root, "public", "vendor", folder);
  await mkdir(destination, { recursive: true });
  for (const file of files) await copyFile(path.join(dist, file), path.join(destination, file));
  if (folder === "bare") await copyFile(path.join(dist,"..","LICENSE"),path.join(destination,"LICENSE.txt"));
}
await cp(path.dirname(require.resolve("@mercuryworkshop/libcurl-transport")),path.join(root,"public","vendor","libcurl"),{recursive:true,force:true});
await writeFile(path.join(root, "public", "vendor", "README.txt"),
  "Unmodified upstream browser distributions.\nScramjet 2.0.67-alpha.2: https://github.com/MercuryWorkshop/scramjet (AGPL-3.0-only)\nController 0.0.14: https://github.com/MercuryWorkshop/scramjet\nBare transport 1.0.0: https://github.com/MercuryWorkshop/bare-transport\nExact versions, integrity hashes and source repositories are in package-lock.json.\n");
console.log("Prepared version-pinned proxy engine assets.");
const diagnostics = `(() => {
  const report = parent.postMessage.bind(parent);
  addEventListener("error", event => report({relayDiagnostic: String(event.message || "A proxied script failed")}, "*"));
  addEventListener("unhandledrejection", event => report({relayDiagnostic: String(event.reason)}, "*"));
})();\n`;
await writeFile(path.join(root,"public","inject.js"),diagnostics+
  await readFile(path.join(root,"public","vendor","controller","controller.inject.js"),"utf8"));
const sources = ["README.md","UI_REVIEW.md","RENDER_INTEGRATION.md","THIRD_PARTY.md","VALIDATION.md","LICENSE","package.json","package-lock.json",
  "wrangler.jsonc","tsconfig.json","vitest.config.ts","launcher.html",
  "src/index.ts","src/render.ts","src/wisp.ts","src/relay-wake.ts","src/jimmy.ts","src/policy.ts","src/relay.ts","src/session.ts",
  "public/index.html","public/transport-lab.html","public/transport-diagnostics.js","public/transport-fixtures.js","public/style.css","public/personality.css","public/ui-refinement.css","public/navigation.css","public/app.js","public/body.js","public/hub.js","public/hub-model.js","public/sw.js","public/about.html",
  "scripts/prepare-assets.mjs","scripts/build-single.mjs","scripts/check-single.mjs","scripts/package-project.py","test/relay.test.ts","test/wisp.test.ts","test/relay-wake.test.ts","test/hub.test.ts","test/http-stream-timeout.test.ts","test/transport-diagnostics.test.ts","test/transport-fixtures.test.ts"];
const sourceDirectory=path.join(root,"public","source");
await mkdir(sourceDirectory,{recursive:true});
for(const file of sources){
  const destination=path.join(sourceDirectory,file+".txt");
  await mkdir(path.dirname(destination),{recursive:true});
  await copyFile(path.join(root,file),destination);
}
await writeFile(path.join(sourceDirectory,"index.html"),
  '<!doctype html><html lang="en"><meta charset="utf-8"><title>Relay source</title><h1>Relay source</h1><p>AGPL-3.0-only. Secrets and generated dependency files are excluded.</p><ul>'+
  sources.map(file=>'<li><a href="'+file+'.txt">'+file+'</a></li>').join("")+
  '</ul><p><a href="https://github.com/MercuryWorkshop/scramjet/tree/c26bfc6">Scramjet source (build c26bfc6)</a></p></html>');

await import("./build-single.mjs");