# Copyright 2019 Alibaba Cloud Inc. All rights reserved.
#
# 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.

from aliyunsdkcore.retry.retry_condition import *
from aliyunsdkcore.retry.backoff_strategy import *


class RetryPolicy(RetryCondition, BackoffStrategy):

    def __init__(self, retry_condition, backoff_strategy):
        self.retry_condition = retry_condition
        self.backoff_strategy = backoff_strategy

    def should_retry(self, retry_policy_context):
        return self.retry_condition.should_retry(retry_policy_context)

    def compute_delay_before_next_retry(self, retry_policy_context):
        return self.backoff_strategy.compute_delay_before_next_retry(
            retry_policy_context)


PREDEFINED_DEFAULT_RETRY_POLICY = RetryPolicy(DefaultConfigRetryCondition(),
                                              DefaultMixedBackoffStrategy())
NO_RETRY_POLICY = RetryPolicy(NoRetryCondition(), NoDelayStrategy())


def get_default_retry_policy(max_retry_times=None):
    return RetryPolicy(DefaultConfigRetryCondition(max_retry_times=max_retry_times),
                       DefaultMixedBackoffStrategy())