from __future__ import annotations

from importlib.metadata import PackageNotFoundError
from typing import Any, cast

import pyro_mcp as package_module


def test_resolve_version_prefers_pyproject_version(monkeypatch: Any) -> None:
    monkeypatch.setattr(package_module, "version", lambda _name: "9.9.9")
    assert package_module._resolve_version() == package_module.__version__  # noqa: SLF001


def test_resolve_version_falls_back_to_unknown_without_metadata(monkeypatch: Any) -> None:
    class _FakePyprojectPath:
        def exists(self) -> bool:
            return False

    class _FakeResolvedPath:
        @property
        def parents(self) -> dict[int, Any]:
            return {2: self}

        def __truediv__(self, _other: str) -> _FakePyprojectPath:
            return _FakePyprojectPath()

    class _FakePathFactory:
        def __init__(self, _value: str) -> None:
            return None

        def resolve(self) -> _FakeResolvedPath:
            return _FakeResolvedPath()

    monkeypatch.setattr(
        package_module,
        "version",
        lambda _name: (_ for _ in ()).throw(PackageNotFoundError()),
    )
    monkeypatch.setattr(package_module, "Path", cast(Any, _FakePathFactory))

    assert package_module._resolve_version() == "0+unknown"  # noqa: SLF001


def test_resolve_version_falls_back_to_installed_version(monkeypatch: Any) -> None:
    class _FakePyprojectPath:
        def exists(self) -> bool:
            return False

    class _FakeResolvedPath:
        @property
        def parents(self) -> dict[int, Any]:
            return {2: self}

        def __truediv__(self, _other: str) -> _FakePyprojectPath:
            return _FakePyprojectPath()

    class _FakePathFactory:
        def __init__(self, _value: str) -> None:
            return None

        def resolve(self) -> _FakeResolvedPath:
            return _FakeResolvedPath()

    monkeypatch.setattr(package_module, "version", lambda _name: "9.9.9")
    monkeypatch.setattr(package_module, "Path", cast(Any, _FakePathFactory))

    assert package_module._resolve_version() == "9.9.9"  # noqa: SLF001