import dataclasses
import datetime
import email.utils
import json
import logging
from collections.abc import Iterator, Mapping
from decimal import Decimal

import requests
from frozendict import frozendict

from personal_data.data import DeduplicateMode, Scraper
import fin_depo

from .. import secrets

logger = logging.getLogger(__name__)


PBC_FOUNDATION_CONTRACT_ADDRESSES = [
    ('012635f1c0a9bffd59853c6496e1c26ebda0e2b4da', 'Foundation Sales'),
    ('0135edec2c9fed33f45cf2538dc06ba139c4bb8f62', 'Foundation Team'),
    ('01ad44bb0277a8df16408006c375a6fa015bb22c97', 'Foundation Eco-System'),
]


@dataclasses.dataclass(frozen=True)
class PbcFoundationBalance(Scraper):
    dataset_name = 'pbc_foundation_balances'
    deduplicate_mode = DeduplicateMode.BY_ALL_COLUMNS
    deduplicate_ignore_columns = [
        'contract.update_time',
        'contract.name',
        'contract.state.balance',
    ]

    def scrape(self) -> Iterator[Mapping[str, object]]:
        client = fin_depo.defi_partisia_blockchain.PbcClient(self.session)
        for address, contract_name in PBC_FOUNDATION_CONTRACT_ADDRESSES:
            contract_state, update_time = client.get_contract_state(address)
            yield {
                'contract.update_time': update_time,
                'contract.name': contract_name,
                'contract.address': address,
                'contract.state.nonce': contract_state['nonce'],
                'contract.state.balance': contract_state['remainingTokens'],
            }