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

__all__ = ['MerchantWriter']

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

class MerchantWriter(DataWriteStream):
    def write(self, method, params):
        self._lock.acquire()
        flush = True
        if method == 'mch_submit':
            self._onSubmit(params)
        elif method == 'mch_succ':
            self._onSucc(params)
        elif method == 'mch_fail':
            self._onFail(params)
        else:
            flush = False

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

    def _onSubmit(self, params):
        def parse(input):
            return params['mchid'], params['time'], params['spec'], params['card_type'], params['mch_amount']

        mchid, time, spec, card_type, mch_amount = parse(params)
        dset, pos = self.path_pos(mchid, time, spec, card_type)

        rows = [pos_map.submit_count, pos_map.submit_amounts]
        vals = [1, mch_amount]
        dset[rows, pos] += vals

        # dset[pos_map.submit_count, pos] += 1
        # dset[pos_map.submit_amounts, pos] += mch_amount
        pass

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

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

        rows = [pos_map.succ_count, pos_map.succ_mch_amounts, pos_map.succ_ch_amounts]
        vals = [1, mch_amount, channel_amount]
        dset[rows, pos] += vals

        # dset[pos_map.succ_count, pos] += 1
        # dset[pos_map.succ_mch_amounts, pos] += mch_amount
        # dset[pos_map.succ_ch_amounts, pos] += channel_amount
        pass

    def _onFail(self, params):
        def parse(input):
            return params['mchid'], params['time'], params['spec'], params['card_type'], params['mch_amount']

        mchid, time, spec, card_type, mch_amount = parse(params)
        dset, pos = self.path_pos(mchid, time, spec, card_type)

        rows = [pos_map.fail_count, pos_map.fail_mch_amounts]
        vals = [1, mch_amount]
        dset[rows, pos] += vals

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

    def path_pos(self, mchid, time, spec, card_type):
        today = day_stamp(time)
        path = f'/{self._version}/{today}/{mchid}/{card_type}/{spec}'

        log.debug("%s,%s",'MerchantWriter',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