from __future__ import annotations

from pathlib import Path

import pytest

from yt_shorts_downloader import runtime


def test_find_supported_js_runtimes_prefers_deno(
    monkeypatch: pytest.MonkeyPatch,
) -> None:
    monkeypatch.setattr(
        runtime,
        "which",
        lambda executable: "/usr/bin/deno" if executable == "deno" else None,
    )

    runtimes = runtime.find_supported_js_runtimes()

    assert runtimes == {"deno": {"path": "/usr/bin/deno"}}


def test_find_supported_js_runtimes_uses_best_supported_node(
    monkeypatch: pytest.MonkeyPatch,
    tmp_path: Path,
) -> None:
    first_node = tmp_path / ".nvm" / "versions" / "node" / "v22.1.0" / "bin" / "node"
    second_node = tmp_path / ".nvm" / "versions" / "node" / "v22.9.0" / "bin" / "node"
    second_node.parent.mkdir(parents=True)
    first_node.parent.mkdir(parents=True)
    first_node.write_text("", encoding="utf-8")
    second_node.write_text("", encoding="utf-8")

    monkeypatch.setattr(runtime, "which", lambda executable: None)
    monkeypatch.setattr(Path, "home", lambda: tmp_path)
    monkeypatch.setattr(
        runtime,
        "_probe_executable_version",
        lambda executable: (22, 9, 0)
        if executable.endswith("v22.9.0/bin/node")
        else (22, 1, 0),
    )

    runtimes = runtime.find_supported_js_runtimes()

    assert runtimes == {"node": {"path": str(second_node.resolve())}}


def test_parse_semver_handles_prefixed_versions() -> None:
    assert runtime._parse_semver("v22.12.1") == (22, 12, 1)
    assert runtime._parse_semver("node") is None