#!/bin/bash
set -euo pipefail
TARGET="${1:-$PWD}"
echo "↩️ Normalizing line endings and checking Python syntax in $TARGET"
# Normalize CRLF=>LF without extra deps
grep -Irl $'\r' "$TARGET" | while read -r f; do
  perl -pi -e 's/\r\n/\n/g' "$f"
done
echo "🧪 Python syntax check (py_compile)..."
python3 - <<'PY'
import os, py_compile
base = os.environ.get("TARGET",".")
errs=0
for root,_,files in os.walk(base):
  for fn in files:
    if fn.endswith(".py"):
      p=os.path.join(root,fn)
      try: py_compile.compile(p,doraise=True)
      except Exception as e:
        print(f"❌ {p}: {e}"); errs+=1
if errs: exit(2)
print("✅ Python syntax OK")
PY