import os
import re

def process_file(filepath):
    with open(filepath, 'r', encoding='utf-8') as f:
        content = f.read()
    
    if '{{ form.as_p }}' in content:
        # replace {{ form.as_p }} with {% include 'partials/_form_grid.html' %}
        content = content.replace('{{ form.as_p }}', '{% include "partials/_form_grid.html" %}')
        
        # also try to add modern-form class to <form>
        # match <form ...> that doesn't have class="modern-form"
        content = re.sub(r'<form\s+method="post"(?!.*?class="modern-form")', r'<form method="post" class="modern-form"', content)
        
        with open(filepath, 'w', encoding='utf-8') as f:
            f.write(content)
        print(f"Updated {filepath}")

for root, dirs, files in os.walk('templates'):
    for file in files:
        if file.endswith('.html') and file != '_form_grid.html':
            process_file(os.path.join(root, file))