import pytest

from app.core.ids import is_valid_id, new_id, parse_id


def test_new_id_prefix_and_version() -> None:
    value = new_id("user_")
    assert value.startswith("user_")
    parsed = parse_id(value, "user_")
    assert parsed.version == 7


def test_request_id_is_uuidv4() -> None:
    value = new_id("request_", version=4)
    assert parse_id(value, "request_", version=4).version == 4


def test_reject_wrong_prefix() -> None:
    value = new_id("user_")
    with pytest.raises(ValueError, match="前缀"):
        parse_id(value, "run_")


def test_reject_wrong_version() -> None:
    value = new_id("user_", version=4)
    assert not is_valid_id(value, "user_")
    with pytest.raises(ValueError, match="version"):
        parse_id(value, "user_")


def test_reject_non_canonical_text() -> None:
    with pytest.raises(ValueError):
        parse_id("user_NOT-A-UUID", "user_")