import pytest, asyncio, os, sys, time
sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))

class TestProjectEngine:
    @pytest.fixture
    def engine(self):
        from services.project_engine import ProjectEngine
        return ProjectEngine()

    def test_list_empty(self, engine):
        assert engine.list_projects() == []

    @pytest.mark.asyncio
    async def test_run_stop_project(self, engine):
        ok = await engine.run_project("test_sleep", ["sleep", "10"], cwd=".")
        assert ok is True
        assert "test_sleep" in engine.projects
        assert engine.projects["test_sleep"].status == "running"
        # Stop
        ok2 = await engine.stop_project("test_sleep")
        assert ok2 is True

    def test_get_logs(self, engine):
        engine.projects["dummy"] = type("obj",(),{"log_buffer":["line1","line2","line3"]})()
        logs = engine.get_logs("dummy", tail=2)
        assert len(logs) == 2

class TestPyEnvManager:
    def test_detect_versions(self):
        from services.pyenv_manager import PyEnvManager
        mgr = PyEnvManager("~/test_pyenv_tmp")
        versions = mgr.detect_versions()
        assert len(versions) >= 1
        assert any(v.startswith("3.") for v in versions)

    def test_venv_creation(self):
        from services.pyenv_manager import PyEnvManager
        import tempfile, shutil
        tmp = tempfile.mkdtemp()
        try:
            mgr = PyEnvManager(tmp)
            venv = mgr.create_venv("test_venv")
            assert venv is not None
            assert (venv / "bin" / "python").exists() or (venv / "bin" / "python3").exists()
        finally:
            shutil.rmtree(tmp, ignore_errors=True)