import asyncio

import pytest
from webdriver.bidi.modules.script import ContextTarget

pytestmark = pytest.mark.asyncio


DOCUMENT_LOADED_SCRIPT = """
    new Promise(resolve => {
        const checkDone = () => {
            if (window.location.href !== "about:blank") {
                resolve(window.location.href);
            }
        };

        if (document.readyState === "complete") {
            checkDone();
        }
        window.addEventListener("load", checkDone);
    })
    """

PAGE = "/webdriver/tests/support/html/default.html?pipe=trickle(d1)"


async def test_retry_during_initial_load(bidi_session, url, new_tab):
    page_url = url(PAGE)

    # Open a new window that triggers a cross-origin navigation to force a
    # replacement of the initial browsing context for "about:blank"
    result = await bidi_session.script.evaluate(
        expression=f"""window.open("{page_url}")""",
        await_promise=False,
        target=ContextTarget(new_tab["context"]),
    )
    new_window = result["value"]

    try:
        # Check that the script's execution in the window modal is retried.
        result = await bidi_session.script.evaluate(
            expression=DOCUMENT_LOADED_SCRIPT,
            await_promise=True,
            target=ContextTarget(new_window["context"]),
        )

        assert result["value"] == page_url
    finally:
        await bidi_session.browsing_context.close(context=new_window["context"])


async def test_retry_during_navigation(bidi_session, new_tab, url):
    page_url = url(PAGE)

    # Start a new navigation that triggers a cross-origin navigation to force a
    # replacement of the initial browsing context for "about:blank"
    asyncio.create_task(
        bidi_session.browsing_context.navigate(
            context=new_tab["context"], url=page_url, wait="none"
        )
    )

    # Execute a script that will only resolve when the navigation finished.
    # Here we expect that the command will automatically be retried when the
    # browsing context gets replaced.
    result = await bidi_session.script.evaluate(
        expression=DOCUMENT_LOADED_SCRIPT,
        await_promise=True,
        target=ContextTarget(new_tab["context"]),
    )

    assert result["value"] == page_url