"use strict";

const fs = require("node:fs");
const path = require("node:path");

function assertFile(filePath, pattern, minimumSize = 1) {
  const stat = fs.statSync(filePath, { throwIfNoEntry: false });
  if (!stat?.isFile() || stat.size < minimumSize) throw new Error(`Required license file is missing or incomplete: ${filePath}`);
  if (pattern && !pattern.test(fs.readFileSync(filePath, "utf8"))) throw new Error(`Unexpected license content: ${filePath}`);
}

module.exports = async function afterPack(context) {
  const resources = context.electronPlatformName === "darwin"
    ? path.join(context.appOutDir, `${context.packager.appInfo.productFilename}.app`, "Contents", "Resources")
    : path.join(context.appOutDir, "resources");
  const { validateRuntime } = require("../src/main/diagnostics/httpRuntime");
  const runtime = validateRuntime({ resourcesPath: resources, platform: context.electronPlatformName, arch: require("builder-util").Arch[context.arch] });
  const version = require("node:child_process").execFileSync(runtime.executable, ["--disable", "--version"], { encoding: "utf8" });
  if (!/Features:.*HTTP2/.test(version) || !/Features:.*HTTP3/.test(version)) throw new Error("Packaged HTTP runtime lacks HTTP/2 or HTTP/3");
  const licenses = path.join(resources, "licenses");
  assertFile(path.join(licenses, "APPLICATION_LICENSE.txt"), /CH-J\s+Proprietary Software License[\s\S]*Version 1\.14/, 10000);
  if (!fs.readFileSync(path.join(licenses, "APPLICATION_LICENSE.txt")).equals(fs.readFileSync(path.join(__dirname, "..", "LICENSE")))) {
    throw new Error("Packaged application license differs from the release license.");
  }
  for (const name of ["README.md", "license-acceptance.md", "provozni-bezpecnost-a-zalohovani.md", "betriebssicherheit-und-datensicherung.md", "operational-safety-and-backup-guidance.md"]) {
    assertFile(path.join(resources, "docs", name), null, 100);
  }
  assertFile(path.join(licenses, "NOTICE.txt"), /Copyright 2026 Josef Chudy/);
  assertFile(path.join(licenses, "THIRD_PARTY_NOTICES.txt"), /isarray@1\.0\.0/);
  assertFile(path.join(licenses, "THIRD_PARTY_LICENSES.zip"), null, 1000000);
  assertFile(path.join(licenses, "ELECTRON_LICENSE.txt"), /Copyright \(c\) Electron contributors/i);
  assertFile(path.join(licenses, "CHROMIUM_LICENSES.html"), /Chromium/, 1000000);
  assertFile(
    path.join(resources, "signing", "ch-j-signing-public.asc"),
    /-----BEGIN PGP PUBLIC KEY BLOCK-----/,
    1000
  );
};