import json

from app import notification_queue
from data import model
from data.model import InvalidNotificationException
from endpoints.api.repositorynotification_models_interface import RepoNotificationInterface, RepositoryNotification
from endpoints.notificationevent import NotificationEvent
from endpoints.notificationhelper import build_notification_data


class RepoNotificationPreOCIModel(RepoNotificationInterface):

  def create_repo_notification(self, namespace_name, repository_name, event_name, method_name, method_config, event_config, title=None):
    repository = model.repository.get_repository(namespace_name, repository_name)
    return self._notification(model.notification.create_repo_notification(repository, 
                                                                          event_name, 
                                                                          method_name, 
                                                                          method_config, 
                                                                          event_config, 
                                                                          title))

  def list_repo_notifications(self, namespace_name, repository_name, event_name=None):
    return [self._notification(n) 
            for n in model.notification.list_repo_notifications(namespace_name, repository_name, event_name)]

  def get_repo_notification(self, uuid):
    try:
      found = model.notification.get_repo_notification(uuid)
    except InvalidNotificationException:
      return None
    return self._notification(found)

  def delete_repo_notification(self, namespace_name, repository_name, uuid):
    try:
      found = model.notification.delete_repo_notification(namespace_name, repository_name, uuid)
    except InvalidNotificationException:
      return None
    return self._notification(found)

  def reset_notification_number_of_failures(self, namespace_name, repository_name, uuid):
    return self._notification(
      model.notification.reset_notification_number_of_failures(namespace_name, repository_name, uuid))
  
  def queue_test_notification(self, uuid):
    try:
      notification = model.notification.get_repo_notification(uuid)
    except InvalidNotificationException:
      return None
    
    event_info = NotificationEvent.get_event(notification.event.name)
    sample_data = event_info.get_sample_data(notification)
    notification_data = build_notification_data(notification, sample_data)
    notification_queue.put([notification.repository.namespace_user.username, notification.uuid,
                            notification.event.name], json.dumps(notification_data))
    return self._notification(notification)


  def _notification(self, notification):
    if not notification:
      return None
    return RepositoryNotification(uuid=notification.uuid,
                                  title=notification.title,
                                  event_name=notification.event.name,
                                  method_name=notification.method.name,
                                  config_json=notification.config_json,
                                  event_config_json=notification.event_config_json,
                                  number_of_failures=notification.number_of_failures)
  

    
pre_oci_model = RepoNotificationPreOCIModel()