#!/usr/bin/env bash
# Native libraries needed to compile Makepad's Linux platform backend.
# This helper is intentionally opt-in: it never changes the host by default.
set -Eeuo pipefail

PACKAGES=(
  pkg-config
  libwayland-dev
  libxkbcommon-dev
  libx11-dev
  libxi-dev
  libxcursor-dev
  libxrandr-dev
  libgl1-mesa-dev
  # robius-sms enables its Linux backend through polkit/gio.
  libpolkit-gobject-1-dev
  # Needed to *link* a test binary, not merely to `cargo check`. Makepad's
  # audio backend pulls in ALSA and PulseAudio, and reqwest/rustls pulls in
  # OpenSSL. Omitting these gives a confusing "unable to find library
  # -lasound" at link time long after the compile appears to succeed.
  libasound2-dev
  libpulse-dev
  libssl-dev
)

check() {
  if ! command -v pkg-config >/dev/null 2>&1; then
    echo "missing: pkg-config" >&2
    return 1
  fi
  local missing=0
  for pc in wayland-client xkbcommon x11 xi xcursor xrandr polkit-gobject-1 \
            alsa libpulse openssl; do
    if ! pkg-config --exists "$pc"; then
      echo "missing native library: $pc" >&2
      missing=1
    fi
  done
  return "$missing"
}

install() {
  if ! command -v apt-get >/dev/null 2>&1; then
    echo "error: apt-get is required for automatic installation" >&2
    return 2
  fi
  if [[ "${EUID:-$(id -u)}" -eq 0 ]]; then
    apt-get update
    apt-get install -y --no-install-recommends "${PACKAGES[@]}"
  elif command -v sudo >/dev/null 2>&1; then
    sudo apt-get update
    sudo apt-get install -y --no-install-recommends "${PACKAGES[@]}"
  else
    echo "error: run as root or install sudo" >&2
    return 2
  fi
}

case "${1:---check}" in
  --check) check ;;
  --install) install && check ;;
  *) echo "usage: $0 [--check|--install]" >&2; exit 2 ;;
esac