#!/bin/sh
# Honesty Speed for Linux. Clears user and browser caches and flushes the system DNS cache when allowed.
# Documents, photos, and saved passwords stay.
set -u
echo "Honesty Speed"
echo "Cleaning caches. Documents, photos, and passwords stay."
before=$(df -k "$HOME" | awk 'NR==2 {print $4}')

clean_dir() {
  label="$1"
  path="$2"
  if [ ! -d "$path" ]; then
    echo "$label: nothing to clean"
    return
  fi
  bytes=$(du -sk "$path" 2>/dev/null | awk '{print $1}')
  find "$path" -mindepth 1 -maxdepth 1 -exec rm -rf {} + 2>/dev/null || true
  echo "$label: cleared (about ${bytes:-0} KB was in that folder)"
}

clean_dir "Chrome cache" "$HOME/.cache/google-chrome"
clean_dir "Chromium cache" "$HOME/.cache/chromium"
clean_dir "Firefox cache" "$HOME/.cache/mozilla"
clean_dir "Thumbnail cache" "$HOME/.cache/thumbnails"
if command -v resolvectl >/dev/null 2>&1; then
  resolvectl flush-caches 2>/dev/null && echo "DNS: flushed" || echo "DNS: could not flush (try with sudo)"
elif command -v systemd-resolve >/dev/null 2>&1; then
  systemd-resolve --flush-caches 2>/dev/null && echo "DNS: flushed" || echo "DNS: could not flush (try with sudo)"
else
  echo "DNS: no resolver cache command on this computer"
fi
after=$(df -k "$HOME" | awk 'NR==2 {print $4}')
freed=$((after - before))
if [ "$freed" -lt 0 ]; then freed=0; fi
echo "About $((freed / 1024)) MB more free."
echo "Still slow? Call 1-888-711-9954 or open https://honestysupport.com/it"