#   Copyright 2020-2021 Exactpro (Exactpro Systems Limited)
#
#   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
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from th2_grpc_common.common_pb2 import MessageGroupBatch

from th2_common.schema.message.configuration.queue_configuration import QueueConfiguration
from th2_common.schema.message.impl.rabbitmq.configuration.rabbitmq_configuration import RabbitMQConfiguration
from th2_common.schema.message.impl.rabbitmq.group.rabbit_message_group_batch_queue import RabbitMessageGroupBatchQueue
from th2_common.schema.message.impl.rabbitmq.router.abstract_rabbit_batch_message_router import \
    AbstractRabbitBatchMessageRouter
from th2_common.schema.message.message_queue import MessageQueue
from th2_common.schema.message.queue_attribute import QueueAttribute


class RabbitMessageGroupBatchRouter(AbstractRabbitBatchMessageRouter):

    @property
    def required_subscribe_attributes(self):
        return {QueueAttribute.SUBSCRIBE.value}

    @property
    def required_send_attributes(self):
        return {QueueAttribute.PUBLISH.value}

    def _get_messages(self, batch):
        return batch.groups

    def _create_batch(self):
        return MessageGroupBatch()

    def _add_message(self, batch: MessageGroupBatch, group):
        batch.groups.append(group)

    def _create_queue(self, connection, configuration: RabbitMQConfiguration,
                      queue_configuration: QueueConfiguration) -> MessageQueue:
        return RabbitMessageGroupBatchQueue(connection, configuration, queue_configuration)
