from pathlib import Path

from music_server.services.token_service import TokenService

_TOKEN_CACHE: dict[tuple[str, str], str] = {}


def issue_access_token(player_db_path: str | Path, *, label: str = "test-token") -> str:
    cache_key = (str(player_db_path), label)
    cached = _TOKEN_CACHE.get(cache_key)
    if cached is not None:
        return cached

    service = TokenService(str(player_db_path))
    issued = service.issue_token(label=label).plaintext_token
    _TOKEN_CACHE[cache_key] = issued
    return issued


def auth_headers(
    player_db_path: str | Path,
    *,
    client_id: str = "test-client",
    client_label: str = "Test Client",
    token: str | None = None,
    include_client_id: bool = True,
    include_client_label: bool = True,
) -> dict[str, str]:
    issued_token = token or issue_access_token(player_db_path)
    headers = {"Authorization": f"Bearer {issued_token}"}
    if include_client_id:
        headers["X-Music-Client-Id"] = client_id
    if include_client_label:
        headers["X-Music-Client-Label"] = client_label
    return headers