#!/usr/bin/env bash
set -euo pipefail

repo_root="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
cd "$repo_root"

maximum_lines=3000
failed=0
source_roots=(crates)
if [[ -d private/hosted-policy/src ]]; then
  source_roots+=(private/hosted-policy/src)
fi
while IFS= read -r -d '' file; do
  case "$file" in
    */tests.rs|*/tests/*) continue ;;
  esac
  lines="$(wc -l < "$file")"
  if ((lines > maximum_lines)); then
    printf '%s has %s lines; production file limit is %s\n' "$file" "$lines" "$maximum_lines" >&2
    failed=1
  fi
done < <(find "${source_roots[@]}" -type f -name '*.rs' -print0)

if ((failed)); then
  exit 1
fi
printf 'production source file size guard passed (%s lines maximum)\n' "$maximum_lines"