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from logging import getLogger

from django.utils import simplejson as json
from django.core.urlresolvers import reverse

from synnefo.lib import join_urls

from synnefo.logic.servers import server_created
from synnefo.vmapi import backend, get_key, get_uuid, settings

log = getLogger('synnefo.vmapi')


def create_server_params(sender, created_vm_params, **kwargs):
    json_value = json.dumps(created_vm_params)
    uuid = get_uuid()
    key = get_key(uuid)
    log.info("Setting vmapi params with key %s for %s", key, sender)
    backend.set(key, json_value)

    path = reverse("vmapi_server_params", args=[uuid]).lstrip('/')
    config_url = join_urls(settings.BASE_HOST, path)
    # inject sender (vm) with its configuration url
    setattr(sender, 'config_url', config_url)
    return uuid

server_created.connect(create_server_params)