"""host= mode: wabot connects to a WebDriver server it does not manage."""

import shutil
import subprocess
import time

import pytest

import wabot
from wabot.hosts import service_alive


@pytest.fixture
def external_chromedriver():
    binary = shutil.which("chromedriver")
    if binary is None:
        pytest.skip("chromedriver not on PATH")
    proc = subprocess.Popen(
        [binary, "--port=19515"],
        stdout=subprocess.DEVNULL,
        stderr=subprocess.DEVNULL,
    )
    url = "http://127.0.0.1:19515"
    deadline = time.monotonic() + 15
    while time.monotonic() < deadline and not service_alive(url):
        time.sleep(0.2)
    assert service_alive(url), "chromedriver never came up"
    yield url
    proc.terminate()
    proc.wait(timeout=10)


def test_persistent_session_on_external_host(external_chromedriver, site_url, store):
    bot = wabot.browser(
        session="ext",
        browser="chromium",
        host=external_chromedriver,
        headless=True,
        pacing=wabot.NoPacing(),
        store=store,
    )
    bot.driver.get(f"{site_url}/welcome.html")
    record = store.get("ext")
    assert record.executor_url == external_chromedriver
    assert record.service_pid is None  # not ours to kill

    # same process, second browser() call: must reattach, not create
    bot2 = wabot.browser(session="ext", store=store, pacing=wabot.NoPacing())
    assert bot2.driver.session_id == record.session_id
    assert bot2.driver.current_url == f"{site_url}/welcome.html"

    bot2.driver.quit()
    store.remove("ext")


def test_ephemeral_on_external_host(external_chromedriver, site_url, store):
    bot = wabot.browser(
        host=external_chromedriver,
        browser="chromium",
        headless=True,
        pacing=wabot.NoPacing(),
        store=store,
    )
    bot.driver.get(f"{site_url}/welcome.html")
    assert store.names() == []  # session=None never persists
    bot.driver.quit()