# Copyright (c) 2022 PaddlePaddle Authors. 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 paddlespeech.server.engine.engine_factory import EngineFactory

# global value
ENGINE_POOL = {}


def get_engine_pool() -> dict:
    """ Get engine pool
    """
    global ENGINE_POOL
    return ENGINE_POOL


def init_engine_pool(config) -> bool:
    """ Init engine pool
    """
    global ENGINE_POOL
    for engine in config.engine_backend:
        ENGINE_POOL[engine] = EngineFactory.get_engine(
            engine_name=engine, engine_type=config.engine_type[engine])
        if not ENGINE_POOL[engine].init(
                config_file=config.engine_backend[engine]):
            return False

    return True