#!/usr/bin/env bash
set -euo pipefail

echo "==> Configuring WSL for systemd (required for Avahi)"
if [ ! -f /etc/wsl.conf ]; then
  printf "[boot]\nsystemd=true\n" | sudo tee /etc/wsl.conf >/dev/null
else
  if ! grep -q '^\[boot\]' /etc/wsl.conf; then
    printf "\n[boot]\nsystemd=true\n" | sudo tee -a /etc/wsl.conf >/dev/null
  elif ! grep -q '^systemd=' /etc/wsl.conf; then
    sudo sed -i '/^\[boot\]$/a systemd=true' /etc/wsl.conf
  fi
fi

echo "==> Installing dependencies"
sudo apt-get update
sudo apt-get install -y \
  build-essential \
  cmake \
  pkg-config \
  git \
  libssl-dev \
  libplist-dev \
  libavahi-compat-libdnssd-dev \
  avahi-daemon \
  avahi-utils \
  gstreamer1.0-tools \
  gstreamer1.0-plugins-base \
  gstreamer1.0-plugins-good \
  gstreamer1.0-plugins-bad \
  gstreamer1.0-plugins-ugly \
  gstreamer1.0-libav \
  gstreamer1.0-gtk3

echo "==> Installing UxPlay"
if apt-cache show uxplay >/dev/null 2>&1; then
  sudo apt-get install -y uxplay
else
  workdir="$HOME/uxplay-src"
  if [ ! -d "$workdir/.git" ]; then
    rm -rf "$workdir"
    git clone https://github.com/FDH2/UxPlay "$workdir"
  else
    git -C "$workdir" pull --ff-only
  fi

  cmake -S "$workdir" -B "$workdir/build"
  cmake --build "$workdir/build" -j
  sudo cmake --install "$workdir/build"
fi

if command -v systemctl >/dev/null 2>&1 && ps -p 1 -o comm= | grep -q systemd; then
  echo "==> Enabling Avahi"
  sudo systemctl enable --now avahi-daemon
else
  echo "NOTE: systemd is not active yet. After WSL restart, run:"
  echo "  sudo systemctl enable --now avahi-daemon"
fi

echo "==> Done"