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

__all__ = ['NetchkWriter']

import logging

log = logging.getLogger('writer')


class NetchkWriter(DataWriteStream):
    def write(self, method, params):
        self._lock.acquire()
        flush = True
        if method == 'net_succ':
            self._onSucc(params)
        elif method == 'net_fail':
            self._onFail(params)
        else:
            flush = False

        if flush:
            hfive = self.file
            hfive.flush()
        self._lock.release()

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

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

        dset[pos_map.succ_count, pos] += 1
        pass

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

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

        dset[pos_map.fail_count, pos] += 1
        pass

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