from __future__ import unicode_literals

from django.contrib.contenttypes.models import ContentType
from django.utils.translation import ugettext_lazy as _

from navigation import Link

from .permissions import permission_acl_view, permission_acl_edit


def get_kwargs_factory(variable_name):
    def get_kwargs(context):
        content_type = ContentType.objects.get_for_model(
            context[variable_name]
        )
        return {
            'app_label': '"{}"'.format(content_type.app_label),
            'model': '"{}"'.format(content_type.model),
            'object_id': '{}.pk'.format(variable_name)
        }

    return get_kwargs


link_acl_delete = Link(
    permissions=(permission_acl_edit,), tags='dangerous', text=_('Delete'),
    view='acls:acl_delete', args='resolved_object.pk'
)
link_acl_list = Link(
    permissions=(permission_acl_view,), text=_('ACLs'), view='acls:acl_list',
    kwargs=get_kwargs_factory('resolved_object')
)
link_acl_new = Link(
    permissions=(permission_acl_edit,), text=_('New ACL'),
    view='acls:acl_new', kwargs=get_kwargs_factory('resolved_object')
)
link_acl_permissions = Link(
    permissions=(permission_acl_edit,), text=_('Permissions'),
    view='acls:acl_permissions', args='resolved_object.pk'
)