import { zipSync, unzipSync, strToU8 } from "fflate";
import { gameArchive, readBytes } from "./archive.ts";
import type { Project } from "./schema.ts";
import { normalizeOptions } from "../native/options.mjs";
export async function buildKit(
  project: Project,
  raw: unknown,
  read = readBytes,
) {
  const options = normalizeOptions(raw as any);
  const game = unzipSync(await gameArchive(project, read));
  const files: Record<string, Uint8Array> = {};
  for (const [name, data] of Object.entries(game))
    files["native/game/" + name] = data;
  const manifest = JSON.parse(
    new TextDecoder().decode(await read("/build-targets/manifest.json")),
  ) as string[];
  for (const name of manifest) {
    if (
      !/^[a-zA-Z0-9_./-]+$/.test(name) ||
      name.includes("..") ||
      name.startsWith("/")
    )
      throw Error("Invalid build template path");
    files["native/" + name] = await read("/build-targets/" + name);
  }
  files["native/build-config.json"] = strToU8(JSON.stringify(options, null, 2));
  files["README.txt"] = strToU8(
    "Forma Engine 0.2 — application build kit\n\nThis archive contains your game and a real build toolchain configuration. It is NOT an executable application yet.\n\nLinux / Windows desktop:\n  npm ci --prefix native\n  node native/build.mjs\n\nAndroid (Linux build host, JDK 17 + curl + unzip required):\n  node native/setup-android.mjs\n  node native/build.mjs\n\nCheck prerequisites: node native/build.mjs --doctor\nBuild output: native/output/<timestamp>/artifacts/\n\nFirst setup/build needs Internet to download toolchains. Finished games are offline.\nFor release APK set FORMA_KEYSTORE, FORMA_KEYSTORE_PASSWORD, FORMA_KEY_ALIAS, FORMA_KEY_PASSWORD in the build environment. Keep the signing key for future updates. Never put secrets in build-config.json.\nWindows EXE is unsigned. Linux AppImage requires working Chromium sandbox/user namespaces.\n\nProject revision: " +
      project.revision +
      "\n",
  );
  return zipSync(files, { level: 6 });
}