{
  lib,
  buildNpmPackage,
  fetchFromGitHub,
  fetchurl,
  nodejs_22,
  makeBinaryWrapper,
}:

let
  version = "3.8.50";
  npmTarball = fetchurl {
    url = "https://registry.npmjs.org/omniroute/-/omniroute-${version}.tgz";
    hash = "sha256-c4xYrx+q6MV+tkOpOdEZH41+CD2Sle9haH0r/wSHjCk=";
  };
in

buildNpmPackage (finalAttrs: {
  pname = "omniroute";
  inherit version;

  src = fetchFromGitHub {
    owner = "diegosouzapw";
    repo = "OmniRoute";
    rev = "v${finalAttrs.version}";
    hash = "sha256-+2FMc9wrvPtQS3+mGsBVvKrd5RprYe/r/GJvjAVMBpc=";
  };

  nodejs = nodejs_22;

  # Upstream's package-lock omits `resolved` URLs for some entries, which the
  # v1 fetcher drops from the cache (npm then fails with ENOTCACHED).
  npmDepsFetcherVersion = 2;

  npmDepsHash = "sha256-wa5vQMYugA8E7lXOh4lgNH7JNbKOinNaW6Zk8Mw2e8k=";

  # Skip Next.js build (requires network for Google Fonts).
  # Pre-built dist/ is copied from the npm tarball in preConfigure.
  dontNpmBuild = true;

  nativeBuildInputs = [
    makeBinaryWrapper
  ];

  npmInstallFlags = [ "--ignore-scripts" ];

  npmRebuildFlags = [ "--ignore-scripts" ];

  env = {
    HOME = "$TMPDIR";
  };

  preConfigure = ''
    mkdir -p _npm_tmp
    tar xzf ${npmTarball} -C _npm_tmp
    cp -r _npm_tmp/package/dist .
    rm -rf _npm_tmp
  '';

  installPhase = ''
    runHook preInstall

    mkdir -p $out/lib/node_modules/omniroute
    cp -r . $out/lib/node_modules/omniroute/

    mkdir -p $out/bin
    makeWrapper "${nodejs_22}/bin/node" "$out/bin/omniroute" \
      --add-flags "$out/lib/node_modules/omniroute/bin/omniroute.mjs"
    makeWrapper "${nodejs_22}/bin/node" "$out/bin/omniroute-reset-password" \
      --add-flags "$out/lib/node_modules/omniroute/bin/reset-password.mjs"

    runHook postInstall
  '';

  passthru = {
    category = "AI LLM Gateway";
    updateScript = [
      "nix-update"
      "--flake"
      ".#omniroute"
    ];
  };

  meta = {
    description = "Unified AI router with 160+ providers, RTK+Caveman compression, auto fallback, MCP/A2A, OpenAI-compatible APIs";
    homepage = "https://github.com/diegosouzapw/OmniRoute";
    changelog = "https://github.com/diegosouzapw/OmniRoute/releases/tag/v${finalAttrs.version}";
    license = lib.licenses.mit;
    mainProgram = "omniroute";
    platforms = lib.platforms.all;
  };
})