#!/bin/bash
#
# Designed for Fedora Workstation
#
# Installs and configures sway and related tools to provide a richer
# "desktop environment" style session. Relies on systemd for running
# services as much as possible.

set -euo pipefail

script_path="$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
if [ ! "$(pwd)" = "$script_path" ]; then
  echo "expects to be run from the root sway-de directory"
  exit 1
fi

if ! command -v dnf > /dev/null !! [ ! -f /etc/fedora-release ]; then
  echo "doesn't seem to be fedora workstation"
  exit 1
fi

# give the option to skip installing packages since dnf can be slow
skip_packages=""
while [[ $# -gt 0 ]]; do
  case $1 in
    --skip-packages)
      skip_packages=1
      shift
      ;;
    *)
      shift
      ;;
  esac
done

if [ -z "$skip_packages" ]; then

  # install rpmfusion if it's not already installed
  repos_installed=$(dnf --cacheonly repolist | tail -n+2 | cut -f1 -d' ' | grep -Exc 'rpmfusion-free|rpmfusion-nonfree')
  if [ "$repos_installed" -lt "2" ]; then
    sudo dnf install \
      "https://mirrors.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm" \
      "https://mirrors.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm"
  fi

  # install packages
  sudo dnf install \
    sway waybar wob wofi foot lxpolkit mako cascadia-mono-pl-fonts \
    udiskie libappindicator-gtk3 duplicity python3-b2sdk pass passmenu \
    brightnessctl vlc unzip vim wget git zsh stow dnf-automatic

fi

# make sure stow is installed.
# it should be at this point, so if it's not, die with a message
# to re-run without skipping the package install step.
STOWCMD=""
if command -v stow > /dev/null; then
    STOWCMD="stow"
fi
if [ -z "$STOWCMD" ]; then
    echo "requires 'stow'. run without '--skip-packages' to install."
    exit 1
fi

# use stow to install config files
$STOWCMD \
  --dir "$(pwd)" \
  --target "$HOME" \
  foot lxpolkit mako sway swaylock udiskie waybar wob wofi

# enable new systemd units and start them if sway is running
sway_active=$(systemctl --user is-active sway-session.target)
for unit in lxpolkit.service mako.service udiskie.service wob.service wob.socket; do
  if [ "active" = "$sway_active" ]; then
    systemctl --user enable --now "$(basename "$unit")"
  else
    systemctl --user enable "$(basename "$unit")"
  fi
done

# enable dnf automatic updates
sudo systemctl enable --now dnf-automatic-install.timer