# Copyright 2017 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


def from_dict(event_dict):
  """Create a SnippetEvent object from a dictionary.

  Args:
    event_dict: a dictionary representing an event.

  Returns:
    A SnippetEvent object.
  """
  return SnippetEvent(callback_id=event_dict['callbackId'],
                      name=event_dict['name'],
                      creation_time=event_dict['time'],
                      data=event_dict['data'])


class SnippetEvent(object):
  """The class that represents callback events for mobly snippet library.

  Attributes:
    callback_id: string, the callback ID associated with the event.
    name: string, the name of the event.
    creation_time: int, the epoch time when the event is created on the
      Rpc server side.
    data: dictionary, the data held by the event. Can be None.
  """

  def __init__(self, callback_id, name, creation_time, data):
    self.callback_id = callback_id
    self.name = name
    self.creation_time = creation_time
    self.data = data

  def __repr__(self):
    return ('SnippetEvent(callback_id: %s, name: %s, creation_time: %s, '
            'data: %s)') % (self.callback_id, self.name, self.creation_time,
                            self.data)