# MIT License
#
# Copyright (c) 2020 Brett Graves
#
# 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 ..Api import AccountEndpoint, RequestType
from .utils import _dot_flatten


class Balances(AccountEndpoint):
    _type = RequestType.Info
    _resource = "accounts/{0}/balances.json"

    def extract(self, response):
        """Extract certain fields from response"""
        response = response.json()["response"]
        balances = response["accountbalance"]

        d = {k: v for k, v in _dot_flatten(balances).items()}
        return d

    @staticmethod
    def DataFrame(raw):
        import pandas as pd

        # Wrap these in lists so that they can be read by pandas
        raw = {k: [v] for k, v in raw.items()}

        return pd.DataFrame.from_dict(raw)


def balances(self, dataframe: bool = True, block: bool = True):
    """Gets current cash and various account metrics.

    Calls the 'accounts/./balances.json' endpoint to get the current list of balances.
    This includes margin amounts, cash, etc.

    Args:

            dataframe: Specify an output format
            block: Specify whether to block thread if request exceeds rate limit


    Returns:

            A pandas dataframe with 1 row by default,
                    otherwise a flat dictionary.

    Raises:

            RateLimitException: If block=False, rate limit problems will be raised
    """
    result = Balances(
        auth=self.auth, account_nbr=self.account_nbr, block=block
    ).request()

    if dataframe:
        try:
            result = Balances.DataFrame(result)
        except:
            pass

    return result
