from pathlib import Path

from core.huya import browser_harvest


class _FakeStderr:
    def readline(self):
        return "DevTools listening on ws://127.0.0.1/devtools/browser/test\n"


class _FakeProcess:
    stderr = _FakeStderr()

    def kill(self):
        pass


def test_launch_defaults_to_headless(monkeypatch):
    calls = []

    def fake_popen(args, **kwargs):
        calls.append((args, kwargs))
        return _FakeProcess()

    def no_http(*args, **kwargs):
        raise OSError("test: no CDP endpoint")

    monkeypatch.setattr(browser_harvest.subprocess, "Popen", fake_popen)
    monkeypatch.setattr(browser_harvest.urllib.request, "urlopen", no_http)

    browser_harvest.launch(Path("/tmp/test-huya-profile"), 9555)

    args, kwargs = calls[0]
    assert "--headless=new" in args
    assert kwargs["stdout"] is browser_harvest.subprocess.DEVNULL


def test_launch_can_show_window_when_requested(monkeypatch):
    calls = []

    def fake_popen(args, **kwargs):
        calls.append(args)
        return _FakeProcess()

    def no_http(*args, **kwargs):
        raise OSError("test: no CDP endpoint")

    monkeypatch.setattr(browser_harvest.subprocess, "Popen", fake_popen)
    monkeypatch.setattr(browser_harvest.urllib.request, "urlopen", no_http)

    browser_harvest.launch(Path("/tmp/test-huya-profile"), 9556, headless=False)

    assert "--headless=new" not in calls[0]