#!/usr/bin/env bun
/**
 * Prepares the editor's static assets in public/ (gitignored):
 * - the Code - OSS web build from the MIT `vscode-web` package, minus Microsoft/GitHub auth extensions;
 * - the gitfor-fs web extension, bundled for the extension host worker.
 */
import { cpSync, existsSync, mkdirSync, readFileSync, rmSync, writeFileSync } from "node:fs";
import { join } from "node:path";

const root = join(import.meta.dir, "..");
const source = join(root, "node_modules/vscode-web/dist");
const version: string = JSON.parse(readFileSync(join(source, "package.json"), "utf8")).version;
const target = join(root, "public/vscode-web", version);
const EXCLUDED_EXTENSIONS = new Set(["github-authentication", "microsoft-authentication"]);

if (!existsSync(join(target, ".complete"))) {
  rmSync(join(root, "public/vscode-web"), { recursive: true, force: true });
  mkdirSync(target, { recursive: true });
  cpSync(source, target, {
    recursive: true,
    filter: (path) => {
      const relative = path.slice(source.length + 1);
      const [top, name] = relative.split("/");
      return !(top === "extensions" && name && EXCLUDED_EXTENSIONS.has(name));
    },
  });
  writeFileSync(join(target, ".complete"), new Date().toISOString());
  console.log(`vendored vscode-web ${version}`);
}

const extensionDir = join(root, "public/editor-ext/gitfor-fs");
mkdirSync(extensionDir, { recursive: true });
const result = await Bun.build({
  entrypoints: [join(root, "src/editor-extension/extension.ts")],
  target: "browser",
  format: "cjs",
  external: ["vscode"],
  minify: true,
  outdir: extensionDir,
  naming: "extension.js",
});
if (!result.success) {
  for (const log of result.logs) console.error(log);
  process.exit(1);
}
cpSync(join(root, "src/editor-extension/manifest.json"), join(extensionDir, "package.json"));
writeFileSync(join(extensionDir, "package.nls.json"), "{}");
writeFileSync(join(root, "public/editor-ext/version.json"), JSON.stringify({ vscode: version }));
console.log("built gitfor-fs extension");