# The MIT License (MIT)
# Copyright (c) 2014-2017 University of Bristol
# 
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# 
# The above copyright notice and this permission 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 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
# OR OTHER DEALINGS IN THE SOFTWARE.

from hyperstream.tool import MultiOutputTool
from hyperstream.stream import StreamInstance, StreamMetaInstance, AssetStream
from hyperstream.time_interval import TimeInterval, MIN_DATE

from copy import deepcopy
import logging


class StreamBroadcasterFromStream(MultiOutputTool):
    """
    Version of the stream broadcaster that assumes that the output plate values are contained in the last item of the
    splitting (asset) stream
    """
    def __init__(self, func, use_keys_not_values=False):
        """
        Stream broadcaster from stream

        :param func: The function to be applied to the value in each document
        """
        super(StreamBroadcasterFromStream, self).__init__(func=func, use_keys_not_values=use_keys_not_values)

    def _execute(self, source, splitting_stream, interval, meta_data_id, output_plate_values):
        if splitting_stream is None:
            raise ValueError("Splitting stream required for this tool")

        if isinstance(splitting_stream, AssetStream):
            time_interval = TimeInterval(MIN_DATE, interval.end)
            splitter = splitting_stream.window(time_interval, force_calculation=True).last()
        else:
            splitter = splitting_stream.window(interval, force_calculation=True).last()

        if not splitter:
            logging.debug("No assets found for source {} and splitter {}"
                          .format(source.stream_id, splitting_stream.stream_id))
            return
        try:
            if self.use_keys_not_values:
                output_plate_values = sorted(set(splitter.value.keys()))
            else:
                output_plate_values = sorted(set(splitter.value.values()))
        except TypeError:
            raise

        data = self.func(map(deepcopy, source.window(interval, force_calculation=True)))

        if data is None:
            logging.debug("{} found no data for interval {} for source {} and splitter {}"
                          .format(self.name, interval, source.stream_id, splitting_stream.stream_id))
            return

        if isinstance(data, StreamInstance):
            data = [data]

        for doc in data:
            for vv in output_plate_values:
                yield StreamMetaInstance(doc, (meta_data_id, str(vv)))

# The MIT License (MIT)
# Copyright (c) 2014-2017 University of Bristol
# 
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# 
# The above copyright notice and this permission 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 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
# OR OTHER DEALINGS IN THE SOFTWARE.

from hyperstream.tool import MultiOutputTool
from hyperstream.stream import StreamInstance, StreamMetaInstance, AssetStream
from hyperstream.time_interval import TimeInterval, MIN_DATE

from copy import deepcopy
import logging


class StreamBroadcasterFromStream(MultiOutputTool):
    """
    Version of the stream broadcaster that assumes that the output plate values are contained in the last item of the
    splitting (asset) stream
    """
    def __init__(self, func, use_keys_not_values=False):
        """
        Stream broadcaster from stream

        :param func: The function to be applied to the value in each document
        """
        super(StreamBroadcasterFromStream, self).__init__(func=func, use_keys_not_values=use_keys_not_values)

    def _execute(self, source, splitting_stream, interval, meta_data_id, output_plate_values):
        if splitting_stream is None:
            raise ValueError("Splitting stream required for this tool")

        if isinstance(splitting_stream, AssetStream):
            time_interval = TimeInterval(MIN_DATE, interval.end)
            splitter = splitting_stream.window(time_interval, force_calculation=True).last()
        else:
            splitter = splitting_stream.window(interval, force_calculation=True).last()

        if not splitter:
            logging.debug("No assets found for source {} and splitter {}"
                          .format(source.stream_id, splitting_stream.stream_id))
            return
        try:
            if self.use_keys_not_values:
                output_plate_values = sorted(set(splitter.value.keys()))
            else:
                output_plate_values = sorted(set(splitter.value.values()))
        except TypeError:
            raise

        data = self.func(map(deepcopy, source.window(interval, force_calculation=True)))

        if data is None:
            logging.debug("{} found no data for interval {} for source {} and splitter {}"
                          .format(self.name, interval, source.stream_id, splitting_stream.stream_id))
            return

        if isinstance(data, StreamInstance):
            data = [data]

        for doc in data:
            for vv in output_plate_values:
                yield StreamMetaInstance(doc, (meta_data_id, str(vv)))

# The MIT License (MIT) # Copyright (c) 2014-2017 University of Bristol # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to deal # in the Software without restriction, including without limitation the rights # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission 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 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE # OR OTHER DEALINGS IN THE SOFTWARE. Version of the stream broadcaster that assumes that the output plate values are contained in the last item of the     splitting (asset) stream Stream broadcaster from stream          :param func: The function to be applied to the value in each document