import datetime


def _now() -> str:
    return datetime.datetime.now(datetime.timezone.utc).isoformat()


def approve(store, cluster_id, name=None) -> None:
    c = store.get_cluster(cluster_id)
    decided = (name or "").strip() or c.suggested_name
    store.update_cluster(cluster_id, status="approved",
                         decided_name=decided, reviewed_at=_now())


def mark_non_trip(store, cluster_id) -> None:
    store.update_cluster(cluster_id, status="non_trip", reviewed_at=_now())


def skip(store, cluster_id) -> None:
    store.update_cluster(cluster_id, status="skipped", reviewed_at=_now())


def split(store, cluster_id, boundary_immich_id):
    return store.split_cluster(cluster_id, boundary_immich_id)


def merge(store, cluster_id_a, cluster_id_b):
    return store.merge_clusters(cluster_id_a, cluster_id_b)


def set_member(store, cluster_id, immich_id, included: bool) -> None:
    store.set_member_inclusion(cluster_id, immich_id, included)


def approve_high_confidence(store, threshold: float = 0.75) -> int:
    count = 0
    for c in store.all_clusters():
        if c.status == "pending" and c.kind_guess == "trip" and c.confidence >= threshold:
            approve(store, c.id)
            count += 1
    return count