# -*- coding: utf-8; -*-
"""
Settings views
"""

from __future__ import unicode_literals, absolute_import

import re

from tailbone.views import settings as base


class SettingsView(base.SettingsView):
    """
    Prevent edit/delete for 'feedback' email settings
    """
    protected = [
        re.compile(r'^rattail\.mail\.user_feedback\..*'),
        re.compile(r'^rattail\.mail\.upgrade_success\..*'),
        re.compile(r'^rattail\.mail\.upgrade_failure\..*'),
    ]

    def editable_instance(self, setting):
        for pattern in self.protected:
            if pattern.match(setting.name):
                return False
        return True

    def deletable_instance(self, setting):
        for pattern in self.protected:
            if pattern.match(setting.name):
                return False
        return True


def includeme(config):
    base.AppSettingsView.defaults(config)
    SettingsView.defaults(config)