import datetime
import logging
from decimal import Decimal

import fin_defs
import kucoin.client

from .data import DepoGroup, DepoSingle

logger = logging.getLogger(__name__)


class KucoinDepoFetcher:
    def __init__(self, kucoin_key: str, kucoin_secret: str, kucoin_pass: str):
        self.client = kucoin.client.Client(
            kucoin_key,
            kucoin_secret,
            kucoin_pass,
        )

    def get_depo(self) -> DepoGroup:
        now = datetime.datetime.now(tz=datetime.UTC)
        assets_by_account_type: dict[str, dict[fin_defs.Asset, Decimal]] = {}
        for account_data in self.client.get_accounts():
            asset = fin_defs.WELL_KNOWN_SYMBOLS[account_data['currency']]
            balance = Decimal(account_data['balance'])
            assets_for_account_type = assets_by_account_type.get(
                account_data['type'], {},
            )
            assets_for_account_type[asset] = (
                assets_for_account_type.get(asset, Decimal(0)) + balance
            )
            del account_data, asset, balance
        return DepoGroup(
            'Kucoin',
            now,
            [
                DepoSingle('Kucoin ' + account_type, now, assets)
                for account_type, assets in assets_by_account_type.items()
            ],
        )