# middleware.py
import re
import odoo
from odoo.tools import config as odoo_config
from odoo import tools, api, fields, models, _


class URLRewriteMiddleware:
    """WSGI middleware to rewrite 'odoo' in URLs to custom base"""

    def __init__(self, app):
        self.app = app

    def _get_replacement(self):
        """Get replacement value from ir.config_parameter"""
        try:
            from odoo.modules.registry import Registry
            registry = Registry(odoo_config.get('database', 'postgres'))
            with registry.cursor() as cr:
                env = api.Environment(cr, odoo.SUPERUSER_ID, {})
                return env['ir.config_parameter'].sudo().get_param('web.base.sorturl', '')
        except Exception:
            return ''

    def __call__(self, environ, start_response):
        path = environ.get('PATH_INFO', '')
        replacement = self._get_replacement()

        # Only rewrite non-static paths containing 'odoo'
        if replacement and 'odoo' in path and '/web/static' not in path:
            new_path = path.replace('odoo', replacement, 1)  # Replace first occurrence only
            environ['PATH_INFO'] = new_path
            environ['REQUEST_URI'] = environ.get('REQUEST_URI', '').replace('odoo', replacement, 1)

        return self.app(environ, start_response)