import ast
import pathlib
import re
import subprocess
import tempfile

text = pathlib.Path(r"F:/AI/guest-cs-stack/flask/chatwoot_proxy.py").read_text(encoding="utf-8")
mod = ast.parse(text)
found = None
for node in ast.walk(mod):
    if isinstance(node, ast.Constant) and isinstance(node.value, str) and "polishQuickQuestions" in node.value:
        found = node.value
        break

# strip script tags, keep JS
js = found
js = re.sub(r"</?script[^>]*>", "\n", js, flags=re.I)
# remove style blocks if any
js = re.sub(r"<style[\s\S]*?</style>", "\n", js, flags=re.I)
# remove remaining HTML-ish lines starting with <
lines = []
for line in js.splitlines():
    s = line.strip()
    if s.startswith("<") and not s.startswith("<!"):
        continue
    lines.append(line)
js = "\n".join(lines)

with tempfile.NamedTemporaryFile("w", suffix=".js", delete=False, encoding="utf-8") as f:
    f.write(js)
    path = f.name

r = subprocess.run(["node", "--check", path], capture_output=True, text=True)
print("return", r.returncode)
print(r.stderr[:2000] if r.stderr else "OK")
print("wrote", path, "len", len(js))

# Also locate any /... patterns that look broken: newline inside
for m in re.finditer(r"/[^/\n]*\n[^/]*/[gimsuy]*", js):
    print("MULTILINE REGEX?", repr(m.group(0)[:100]))

# Find SyntaxError line from node if possible by binary search
if r.returncode != 0:
    err = r.stderr
    m = re.search(r":(\d+)\n", err)
    if m:
        ln = int(m.group(1))
        all_lines = js.splitlines()
        start = max(0, ln - 5)
        end = min(len(all_lines), ln + 5)
        print("--- around error ---")
        for i in range(start, end):
            mark = ">>" if i + 1 == ln else "  "
            print(f"{mark}{i+1}: {all_lines[i]}")