from typing import Dict, Any

from .ga4 import GA4Adapter
from .segment import SegmentAdapter


class DSLBridgeAdapter:
    """A tiny bridge that translates local metrics into a canonical DSL-ready
    representation using a chosen adapter.

    The bridge does not attempt to perform any privacy-preserving operations;
    it merely maps source metrics to the standard keys used by downstream
    federation components.
    """

    def __init__(self, adapter: object = None):
        self.adapter = adapter or GA4Adapter()

    def fill(self, source_metrics: Dict[str, Any]) -> Dict[str, Any]:
        # Delegate to the provided adapter to normalize keys
        return self.adapter.fill(source_metrics)


__all__ = ["DSLBridgeAdapter"]