"""
Fundamental Data Service for aggregating and analyzing financial statement data.
"""

import logging

logger = logging.getLogger(__name__)


class FundamentalDataService:
    """Service for fundamental financial data aggregation and analysis."""

    def __init__(
        self,
        simfin_client: SimFinClient,
        repository: FundamentalDataRepository,
    ):
        """Initialize Fundamental Data Service.

        Args:
            simfin_client: Client for SimFin/financial API access
            repository: Repository for cached fundamental data
            online_mode: Whether to fetch live data
            data_dir: Directory for data storage
        """
        self.simfin_client = simfin_client
        self.repository = repository

    def update_fundamental_data(
        self,
        symbol: str,
        start_date: str,
        end_date: str,
        frequency: str = "quarterly",
    ) -> FundamentalContext:
        pass  # TODO: fetch fundementals from simfin, save in repo

    def get_fundamental_context(
        self,
        symbol: str,
        start_date: str,
        end_date: str,
        frequency: str = "quarterly",
    ) -> FundamentalContext:
        """Get fundamental analysis context for a company.

        Args:
            symbol: Stock ticker symbol
            start_date: Start date in YYYY-MM-DD format
            end_date: End date in YYYY-MM-DD format
            frequency: Reporting frequency ('quarterly' or 'annual')
            force_refresh: If True, skip local data and fetch fresh from APIs

        Returns:
            FundamentalContext with financial statements and key ratios
        """
        balance_sheet = None
        income_statement = None
        cash_flow = None
        error_info = {}
        errors = []
        data_source = "unknown"

        # return FundamentalContext(
        #     symbol=symbol,
        #     period={"start": start_date, "end": end_date},
        #     balance_sheet=balance_sheet,
        #     income_statement=income_statement,
        #     cash_flow=cash_flow,
        #     key_ratios=key_ratios,
        #     metadata={
        #         "data_quality": data_quality,
        #         "service": "fundamental_data",
        #         "online_mode": self.is_online(),
        #         "frequency": frequency,
        #         "data_source": data_source,
        #         "force_refresh": force_refresh,
        #         **error_info,
        #     },
        # )

        pass  # TODO: read data from repo