#!/usr/bin/env bash
# Check for sudo
if [ ! -f "/sbin/sudo" ]; then
 echo ":: Error: \"/sbin/sudo\" not found, please install sudo"
 exit 1
fi

# Clear variables
#PACMAN_FLAGS=
INSTALL_GUI_PACKAGES=

# Parse arguments
for arg in "${@}"; do
 case "${arg}" in
  "--noconfirm")
   # I don't know what shellcheck is seeing here...
   # shellcheck disable=SC2037
   PACMAN_FLAGS=${PACMAN_FLAGS} --noconfirm
   ;;
  "--gui")
   INSTALL_GUI_PACKAGES=true
   ;;
  *)
   echo ":: Warning: Unknown argument \"${arg}\""
 esac
done

# Source /etc/os-release
echo ":: Detecting distribution"
if [ -f "/etc/os-release" ]; then
 # shellcheck disable=SC1091
 source /etc/os-release
fi

# Perform actions based on distro
case "$ID" in
 "arch")
  echo ":: Detected Arch Linux, installing packages automatically"
  	
  # Check for paru
  if [ ! -f "/sbin/paru" ]; then
   echo ":: Error: \"/sbin/paru\" not found, please install paru"
   exit 1
  fi
  
  # Install required packages (command line)
  # shellcheck disable=SC2086
  paru --removemake --batchinstall --sudoloop --mflags "--ignorearch" -Syu --needed ${PACMAN_FLAGS} \
   nano ncurses moar fireplace sl fortune-mod cowsay lolcat \
   moar yt-dlp-git tar zstd bzip zip unrar unzip 7-zip \
   rustup binutils base-devel cpupower
  
  # Install required packages packages (graphical)
  # shellcheck disable=SC2086
  [[ -n "${INSTALL_GUI_PACKAGES}" ]] && \
   paru --removemake --batchinstall --sudoloop --mflags "--ignorearch" -Syu --needed ${PACMAN_FLAGS} \
    hyprland-git hyprpaper-git hyprlock hypridle waybar fnott \
    bemenu-wayland cliphist j4-dmenu-desktop polkit-kde-agent \
    polkit-qt6 xdg-desktop-portal-{hyprland-git,kde} \
    qt6ct qt6-wayland qt5-wayland xwaylandvideobridge pipewire \
    wireplumber
  
  # Install/update Rust toolchains and Rust-based software
  (
   # Update installed toolchains
   rustup update
   
   # Install nightly and stable toolchains
   rustup install stable
   rustup install nightly
   
   # Switch to stable toolchain
   rustup default nightly
   
   # Install software
   cargo install eza cargo-audit
  )
  
  # Install SDKMAN! and Java
  (
   # Download & install SDKMAN!
   curl -s "https://get.sdkman.io" | bash
   
   # Initialize SDKMAN! for subshell
   export SDKMAN_DIR="$HOME/.sdkman"
   # shellcheck disable=SC1091
   [[ -s "$HOME/.sdkman/bin/sdkman-init.sh" ]] && source "$HOME/.sdkman/bin/sdkman-init.sh"
   
   # Update SDKMAN! and installed candidates
   sdk selfupdate
   sdk update
   
   # Install Java versions specified in array
   # We use the Temurin distribution of Java.
   
   java_versions=( '22.0.1' '21.0.3' '17.0.11' '8.0.412' )
   for version in "${java_versions[@]}"; do
    sdk install java "${version}-tem"
   done
   
   # Default to Java 21
   sdk default java 21.0.3-tem
  )
  
  # Install Hyprland plugins
  (
   # Install Hyprland headers & update existing plugins
   hyprpm update
   
   # Add hyprland-plugins repository
   yes | hyprpm add https://github.com/hyprwm/hyprland-plugins
   
   # Enable plugins
   hyprpm enable csgo-vulkan-fix
  )
  
  ;;
 "archarm")
  echo ":: Arch Linux ARM is not yet supported"
  echo "   (but will soon be). Just wait a little!"
  
  ;;
 *)
  echo ":: Hmm... your distribution isn't supported"
  echo "   You can do the following:"
  echo "   - Create an issue"
  echo "   - Look into the source for this script"
  echo "     and install the required software yourself"
  
  ;;
esac