import time

import tempfile
from pathlib import Path

from app.cache import FileCache
from app.main import get_cache
from app.settings import Settings


def test_cache_returns_fresh_entry() -> None:
    with tempfile.TemporaryDirectory(dir=Path.cwd()) as temp_dir:
        cache = FileCache(cache_dir=temp_dir, default_ttl_seconds=10)
        cache.set_json("sample", {"x": 1})

        entry = cache.get_json("sample")

        assert entry is not None
        assert entry.stale is False
        assert entry.value == {"x": 1}


def test_cache_can_serve_stale_when_requested() -> None:
    with tempfile.TemporaryDirectory(dir=Path.cwd()) as temp_dir:
        cache = FileCache(cache_dir=temp_dir, default_ttl_seconds=0)
        cache.set_json("sample", {"x": 1})
        time.sleep(0.01)

        fresh = cache.get_json("sample")
        stale = cache.get_json("sample", allow_stale=True)

        assert fresh is None
        assert stale is not None
        assert stale.stale is True
        assert stale.value == {"x": 1}


def test_cache_is_disabled_when_not_configured() -> None:
    settings = Settings(
        _env_file=None,
        GITHUB_USERNAME="octocat",
        GITEA_BASE_URL="https://gitea.example.com",
        GITEA_USERNAME="octocat",
    )

    cache = get_cache(settings)

    assert cache is None


def test_cache_works_in_workspace_tempdir() -> None:
    with tempfile.TemporaryDirectory(dir=Path.cwd()) as temp_dir:
        cache = FileCache(cache_dir=temp_dir, default_ttl_seconds=10)
        cache.set_json("sample", {"x": 1})
        entry = cache.get_json("sample")

        assert entry is not None
        assert entry.value == {"x": 1}