# from . import DataHandler #此时是导入文件
from .DataStream import DataWriteStream, day_stamp
from .DataStream import EChPosmap as pos_map
import numpy as np

__all__ = ['ChannelWriter']

import logging
log = logging.getLogger('writer')

class ChannelWriter(DataWriteStream):
    def write(self, method, params):
        flush = True
        if method == 'ch_commit':
            self._onCommit(params)
        elif method == 'ch_succ':
            self._onSucc(params)
        elif method == 'ch_fail':
            self._onFail(params)
        else:
            flush = False

        if flush:
            hfive = self.file
            hfive.flush()
        pass

    def _onCommit(self, params):
        def parse(input):
            return input['channel_name'], input['time'], input['spec'], input['card_type'], input['channel_amount']

        chname, time, spec, card_type, channel_amount = parse(params)
        dset, pos = self.path_pos(chname, time, spec, card_type)

        rows = [pos_map.commit_count, pos_map.commit_amounts]
        vals = [1, channel_amount]
        dset[rows, pos] += vals

        # dset[pos_map.commit_count, pos] += 1
        # dset[pos_map.commit_amounts, pos] += channel_amount
        pass

    def _onSucc(self, params):
        def parse(input):
            return input['channel_name'], input['time'], input['spec'], input['card_type'], input['channel_amount'], input['period']

        chname, time, spec, card_type, channel_amount, period = parse(params)
        dset, pos = self.path_pos(chname, time, spec, card_type)

        rows = [pos_map.succ_count, pos_map.succ_amounts, pos_map.succ_periods]
        vals = [1, channel_amount, period]
        dset[rows, pos] += vals

        # dset[pos_map.succ_count, pos] += 1
        # dset[pos_map.succ_amounts, pos] += channel_amount
        # dset[pos_map.succ_periods, pos] += period
        pass

    def _onFail(self, params):
        def parse(input):
            return input['channel_name'], input['time'], input['spec'], input['card_type'], input['channel_amount'], input['period']

        chname, time, spec, card_type, channel_amount, period = parse(params)
        dset, pos = self.path_pos(chname, time, spec, card_type)

        rows = [pos_map.fail_count, pos_map.fail_amounts, pos_map.fail_periods]
        vals = [1, channel_amount, period]
        dset[rows, pos] += vals

        # dset[pos_map.fail_count, pos] += 1
        # dset[pos_map.fail_amounts, pos] += channel_amount
        # dset[pos_map.fail_periods, pos] += period
        pass

    def path_pos(self, chname, time, spec, card_type):
        today = day_stamp(time)
        path = f'/{self._version}/{today}/{chname}/{card_type}/{spec}'
        log.debug("%s,%s", 'ChannelWriter', path)

        hfive = self.file
        if path not in hfive:
            dim = pos_map.dim()
            dset = hfive.create_dataset(path, (dim, 86400), chunks=(dim, 3600))
            dset[:, :] = np.zeros((dim, 86400))
            hfive.flush()
        else:
            dset = hfive[path]

        return dset, time - today