#!/usr/bin/env python3
import os

path = '/var/www/html/wevia-ia/wevia-admin.php'
script_tag = b'<script src="/api/archi-meta-badge.js" defer></script>\n'

with open(path, 'rb') as f:
    raw = f.read()

if b'archi-meta-badge.js' in raw:
    print("ALREADY")
    exit(0)

# Find LAST </body>
body_end = raw.rfind(b'</body>')
if body_end < 0:
    print("NO_BODY")
    exit(1)

new_raw = raw[:body_end] + script_tag + raw[body_end:]
with open(path, 'wb') as f:
    f.write(new_raw)
print(f"INJECTED: {len(raw)}→{len(new_raw)}")