import logging

import cgi

import os

import paste.fileapp

from pylons import tmpl_context as c, app_globals as g, request, config

from pylons.controllers.util import forward

from pylons.i18n.translation import _

from pylons_app.lib.base import BaseController, render

from pylons.middleware import  media_path

from pylons_app.lib.utils import check_repo

import pylons_app.lib.helpers as h

log = logging.getLogger(__name__)

class ErrorController(BaseController):

    """

    Generates error documents as and when they are required.

    The ErrorDocuments middleware forwards to ErrorController when error

    related status codes are returned from the application.

    This behaviour can be altered by changing the parameters to the

    ErrorDocuments middleware in your config/middleware.py file.

    """

    def __before__(self):

        pass#disable all base actions since we don't need them here

    def document(self):

        resp = request.environ.get('pylons.original_response')

        log.debug('### %s ###', resp.status)

        e = request.environ

        c.serv_p = r'%(protocol)s://%(host)s/' % {

                                                'protocol': e.get('wsgi.url_scheme'),

                                                'host':e.get('HTTP_HOST'),

                                                }

        if resp.status_int == 404:

            org_e = request.environ.get('pylons.original_request').environ

            c.repo_name = repo_name = org_e['PATH_INFO'].split('/')[1]

            c.repo_name_cleaned = h.repo_name_slug(c.repo_name)

            if check_repo(repo_name, g.base_path):

                return render('/errors/error_404.html')

        c.error_message = cgi.escape(request.GET.get('code', str(resp.status)))

        c.error_explanation = self.get_error_explanation(resp.status_int)

        #redirect to when error with given seconds

        c.redirect_time = 0

        c.redirect_module = _('Home page')# name to what your going to be redirected

        c.url_redirect = "/"

        return render('/errors/error_document.html')

    def img(self, id):

        """Serve Pylons' stock images"""

        return self._serve_file(os.path.join(media_path, 'img', id))

    def style(self, id):

        """Serve Pylons' stock stylesheets"""

        return self._serve_file(os.path.join(media_path, 'style', id))

    def _serve_file(self, path):