import datetime
import re
import time
from pathlib import Path

from playwright.sync_api import Page, expect

from testutils import extract_and_upload
from fietsboek import models
from fietsboek.log import HANDLER


def wait_for_log(
        message: str,
        timeout: datetime.timedelta = datetime.timedelta(seconds=10),
):
    """Waits for the given log message to appear in the logs."""
    pattern = re.compile(message)
    start = datetime.datetime.now(datetime.UTC)
    while True:
        if any(pattern.search(m.message) is not None for m in HANDLER.buffer):
            return
        time.sleep(0.5)
        if datetime.datetime.now(datetime.UTC) - start > timeout:
            raise RuntimeError(f"Timeout waiting for log {message!r}")


def upload_and_wait(playwright_helper, filename: str, tmp_path: Path) -> int:
    """Upload the track (via the web UI) and wait for the background tasks to
    finish.

    Returns the track's ID.
    """
    page: Page = playwright_helper.page

    playwright_helper.login()

    page.goto("/")
    page.get_by_text("Upload").click()

    extract_and_upload(page, filename, tmp_path)

    page.locator(".btn", has_text="Upload").click()
    new_track_id = int(page.url.rsplit("/", 1)[1])
    expect(page.locator(".favourite-star")).to_be_visible()
    wait_for_log(f"Climb extraction done for track {new_track_id}$")
    return new_track_id


def test_no_climbs(playwright_helper, tmp_path, dbaccess):
    track_id = upload_and_wait(playwright_helper, "no_climbs.gpx.gz", tmp_path)
    track = dbaccess.get(models.Track, track_id)
    assert len(track.climbs) == 0


def test_two_climbs(page: Page, playwright_helper, tmp_path, dbaccess):
    track_id = upload_and_wait(playwright_helper, "two_climbs.gpx.gz", tmp_path)
    track = dbaccess.get(models.Track, track_id)
    assert len(track.climbs) == 2

    page.goto(f"/track/{track_id}")
    expect(page.locator(".climb-preview").nth(0)).to_be_visible()
    expect(page.locator(".climb-details").nth(0)).to_contain_text("2.84 km")
    expect(page.locator(".climb-details").nth(0)).to_contain_text("5.36 %")
    expect(page.locator(".climb-preview").nth(1)).to_be_visible()
    expect(page.locator(".climb-details").nth(1)).to_contain_text("1.29 km")
    expect(page.locator(".climb-details").nth(1)).to_contain_text("5.58 %")