"""Market scanner for opportunity detection."""

from typing import List, Dict, Any, Optional
from datetime import date
from qfinlib.market.container import MarketContainer


class Scanner:
    """Scans market data for trading opportunities."""

    def __init__(self, market: MarketContainer):
        """Initialize with market data."""
        self.market = market

    def scan_carry_trades(
        self,
        currencies: Optional[List[str]] = None,
        threshold: float = 0.5,
        as_of: Optional[date] = None,
    ) -> List[Dict[str, Any]]:
        """Scan for carry trade opportunities."""
        # Placeholder - actual implementation would calculate carry
        return []

    def scan_curve_trades(
        self,
        currencies: Optional[List[str]] = None,
        threshold: float = 0.3,
        as_of: Optional[date] = None,
    ) -> List[Dict[str, Any]]:
        """Scan for curve trade opportunities."""
        # Placeholder - actual implementation would analyze curve shape
        return []

    def scan_vol_trades(
        self,
        currencies: Optional[List[str]] = None,
        threshold: float = 0.2,
        as_of: Optional[date] = None,
    ) -> List[Dict[str, Any]]:
        """Scan for volatility trade opportunities."""
        # Placeholder - actual implementation would analyze vol surface
        return []
