#!/usr/bin/env bash

set -o errexit

update_system() {
  print_header "updating system..."
  sudo pacman -Syu
  echo
}

clear_pacman_cache() {
  print_header "clearing pacman cache..."
  PACMAN_CACHE_SPACE="$(du -sh /var/cache/pacman/pkg/)"
  paccache -vrk2
  paccache -ruk0
  echo "pacman cache cleared, reclaimed $PACMAN_CACHE_SPACE"
  echo
}

remove_orphaned_packages() {
  print_header "removing orphaned packages..."
  ORPHANED=$(pacman -Qdtq)
  if [ -n "$ORPHANED" ]; then
    echo "$ORPHANED" | sudo pacman -Rns -
    ORPHANED_COUNT=$(echo "$ORPHANED" | wc -l)
    echo "removed $ORPHANED_COUNT orphaned packages"
  else
    echo "no orphaned packages found"
  fi
  echo
}

clear_local_cache() {
  print_header "clearing local cache..."
  LOCAL_CACHE_SPACE="$(du -sh ~/.cache)"
  rm -rf ~/.cache/
  echo "local cache cleard, reclaimed $LOCAL_CACHE_SPACE"
  echo
}

clear_system_logs() {
  print_header "clearing system logs..."
  sudo journalctl --vacuum-time=7d
  echo
}

print_header() {
  GREEN='\033[0;32m'
  NC='\033[0m'
  echo -e "${GREEN}${1}${NC}"
}

update_system
clear_pacman_cache
remove_orphaned_packages
clear_local_cache
clear_system_logs