# Copyright 2014 Facebook, Inc.

# You are hereby granted a non-exclusive, worldwide, royalty-free license to
# use, copy, modify, and distribute this software in source code or binary
# form for use in connection with the web services and APIs provided by
# Facebook.

# As with any software that integrates with the Facebook platform, your use
# of this software is subject to the Facebook Developer Principles and
# Policies [http://developers.facebook.com/policy/]. This copyright notice
# shall be included in all copies or substantial portions of the software.

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# DEALINGS IN THE SOFTWARE.

from enum import Enum


class AttributionModel(Enum):
    CUSTOMIZED_MULTI_TOUCH = 'customized_multi_touch'
    FIRST_TOUCH = 'first_touch'
    LAST_CLICK = 'last_click'
    LAST_TOUCH = 'last_touch'
    LINEAR = 'linear'
    POSITION_BASED = 'position_based'
    TIME_DECAY = 'time_decay'
    UNKNOWN = 'unknown'