config.py

import os
from datetime import timedelta
from dotenv import load_dotenv

load_dotenv()

class Config:
    SECRET_KEY = os.environ.get('SECRET_KEY') or 'your-secret-key-here'
    
    # Supabase settings
    SUPABASE_URL = os.environ.get('SUPABASE_URL')
    SUPABASE_KEY = os.environ.get('SUPABASE_KEY')
    
    # SendGrid settings
    SENDGRID_API_KEY = os.environ.get('SENDGRID_API_KEY')
    SENDGRID_FROM_EMAIL = os.environ.get('SENDGRID_FROM_EMAIL')
    
    # Upload settings
    UPLOAD_FOLDER = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'static/signatures')
    MAX_CONTENT_LENGTH = 16 * 1024 * 1024  # 16MB max file size