# -*- coding: utf-8 -*-
# !/usr/bin/env python
import datetime

from typing import Tuple

from dateutil.parser import parse

from apps.web.user.models import RechargeRecord


def dt_range(date_string):
    # type:(str)->Tuple[datetime.datetime, datetime.datetime]
    start = parse(date_string)
    return start, datetime.datetime.combine(start, datetime.time.max)


def cn(unicode_):
    assert isinstance(unicode_, unicode)
    return unicode_.encode('gb18030')


def mask(df, key, value): return df[df[key] == value]


def df_in(df, key, items): return df[df[key].isin(items)]


def withdraw_succeeded_mask(df):
    return mask(df, key = "付款状态", value = "付款成功")


def download_alipay_statement():
    #: TODO
    pass


def read_alipay_statement(file_name):
    """

    :param file_name:
    :return:
    """
    #: 跳过支付宝的csv表头注释
    #: TODO change file encoding
    import pandas as pd
    return pd.read_csv(file_name, skiprows = 2)


def reconcile_alipay(file_name, date_str):
    # type:(str, str)->list
    """

    :param file_name:
    :param date_str:
    :return:
    """
    df = mask(df = read_alipay_statement(file_name), key = cn(u'交易状态'), value = cn(u'成功'))
    start, end = dt_range(date_str)
    records = RechargeRecord.objects(gateway = 'alipay', result = 'unPay', dateTimeAdded__gte = start,
                                     dateTimeAdded__lte = end)
    df = df[df[cn(u'商户订单号')].isin([str(_.orderNo) for _ in records])]
    return list(df[cn(u'商户订单号')])


def reset_today_income():
    pass