{ lib, stdenvNoCC, makeWrapper, python3, nodejs-slim }:

stdenvNoCC.mkDerivation {
  pname = "flowtrack";
  version = "1.3.0";
  src = ./.;

  nativeBuildInputs = [ makeWrapper ];

  installPhase = ''
    runHook preInstall
    mkdir -p $out/share/flowtrack $out/bin
    cp app.py notify.js $out/share/flowtrack/
    cp -r static $out/share/flowtrack/static
    # node:sqlite still prints an ExperimentalWarning on every start.
    makeWrapper ${nodejs-slim}/bin/node $out/bin/flowtrack-notify \
      --add-flags "--disable-warning=ExperimentalWarning $out/share/flowtrack/notify.js"
    makeWrapper ${python3}/bin/python3 $out/bin/flowtrack \
      --add-flags "$out/share/flowtrack/app.py" \
      --set-default FLOWTRACK_NOTIFY $out/bin/flowtrack-notify
    runHook postInstall
  '';

  meta = {
    description = "Private, self-hosted period tracker with cycle predictions";
    license = lib.licenses.mit;
    platforms = lib.platforms.linux;
    mainProgram = "flowtrack";
  };
}