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#  to you 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
#
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#  distributed under the License is distributed on an "AS IS" BASIS,
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#  See the License for the specific language governing permissions and
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from pyflink.datastream import TimerService
from pyflink.fn_execution.datastream.timerservice import InternalTimerService, N


class TimerServiceImpl(TimerService):
    def __init__(self, j_timer_service):
        self._j_timer_service = j_timer_service

    def current_processing_time(self):
        return self._j_timer_service.currentProcessingTime()

    def current_watermark(self):
        return self._j_timer_service.currentWatermark()

    def register_processing_time_timer(self, timestamp: int):
        self._j_timer_service.registerProcessingTimeTimer(timestamp)

    def register_event_time_timer(self, timestamp: int):
        self._j_timer_service.registerEventTimeTimer(timestamp)

    def delete_processing_time_timer(self, timestamp: int):
        self._j_timer_service.deleteProcessingTimeTimer(timestamp)

    def delete_event_time_timer(self, timestamp: int):
        self._j_timer_service.deleteEventTimeTimer(timestamp)


class InternalTimerServiceImpl(InternalTimerService[N]):
    def __init__(self, j_timer_service, window_converter):
        self._j_timer_service = j_timer_service
        self._window_converter = window_converter

    def current_processing_time(self):
        return self._j_timer_service.currentProcessingTime()

    def current_watermark(self):
        return self._j_timer_service.currentWatermark()

    def register_processing_time_timer(self, namespace: N, timestamp: int):
        window = self._window_converter.to_external(namespace)
        self._j_timer_service.registerProcessingTimeTimer(window, timestamp)

    def register_event_time_timer(self, namespace: N, timestamp: int):
        window = self._window_converter.to_external(namespace)
        self._j_timer_service.registerEventTimeTimer(window, timestamp)

    def delete_event_time_timer(self, namespace: N, timestamp: int):
        window = self._window_converter.to_external(namespace)
        self._j_timer_service.deleteEventTimeTimer(window, timestamp)

    def delete_processing_time_timer(self, namespace: N, timestamp: int):
        window = self._window_converter.to_external(namespace)
        self._j_timer_service.deleteProcessingTimeTimer(window, timestamp)