from __future__ import annotations

from abc import ABC, abstractmethod
from datetime import datetime

import pandas as pd


class MarketDataProvider(ABC):
    @property
    @abstractmethod
    def provider_name(self) -> str:
        raise NotImplementedError

    @property
    @abstractmethod
    def channel(self) -> str:
        raise NotImplementedError

    @abstractmethod
    def fetch_spot(self) -> pd.DataFrame:
        raise NotImplementedError

    @abstractmethod
    def search_spot(self, query: str, limit: int) -> pd.DataFrame:
        raise NotImplementedError

    @abstractmethod
    def fetch_daily_kline(self, code: str, start: datetime, end: datetime) -> pd.DataFrame:
        raise NotImplementedError