from typing import Dict, List, Tuple
from .crdt import DeltaCRDT

class DeltaStore:
    """Simple wrapper around DeltaCRDT to expose a store-like interface."""

    def __init__(self) -> None:
        self.crdt = DeltaCRDT()

    def add_local_delta(self, device: str, ts: float, value: float) -> str:
        return self.crdt.add_local_delta(device, ts, value)

    def merge_remote(self, remote_state: Dict[str, List[Tuple[float, float, str]]]) -> None:
        self.crdt.merge(remote_state)

    def get_state(self) -> Dict[str, List[Tuple[float, float, str]]]:
        return self.crdt.export_state()