#!/usr/bin/env bash
# Re-download the vendored highlight.js ES modules.
#
# Run by hand when bumping HLJS_VERSION; the result is committed to git. This is
# deliberately NOT part of the Docker build — baking the files into the image is
# what keeps the app free of any network dependency at runtime.
set -euo pipefail

HLJS_VERSION="${HLJS_VERSION:-11.9.0}"
BASE="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/${HLJS_VERSION}/es"
DEST="$(cd "$(dirname "$0")" && pwd)/hljs"

# Keep this list in sync with LANGS in app.py.
LANGS=(accesslog apache bash cpp css diff dockerfile go graphql http ini 
       java javascript json markdown nginx php powershell python rust sql 
       typescript xml yaml)

mkdir -p "$DEST/languages"
echo "highlight.js ${HLJS_VERSION} -> $DEST"

curl -fsS "$BASE/core.min.js" -o "$DEST/core.min.js"
printf '  %-14s %6s bytes\n' core.min.js "$(wc -c < "$DEST/core.min.js")"

for lang in "${LANGS[@]}"; do
  curl -fsS "$BASE/languages/${lang}.min.js" -o "$DEST/languages/${lang}.min.js"
  printf '  %-14s %6s bytes\n' "$lang" "$(wc -c < "$DEST/languages/${lang}.min.js")"
done

echo "total: $(du -sh "$DEST" | cut -f1) in $(find "$DEST" -type f | wc -l) files"