import re
from playwright.sync_api import Playwright, sync_playwright, expect


def run(playwright: Playwright) -> None:
    browser = playwright.chromium.launch(headless=False)
    context = browser.new_context()
    page = context.new_page()
    page.goto("http://127.0.0.1:9191/app/")
    page.get_by_text("English -> Chinese").click()
    page.get_by_text("Chinese -> English").click()
    page.locator("#app").get_by_title("Chinese -> English").click()
    page.get_by_text("Chinese -> English").nth(1).click()
    page.get_by_role("switch", name="ON OFF").click()
    page.locator("#app").get_by_text("Chinese -> English").click()
    page.get_by_text("Chinese -> English").nth(1).click()

    # ---------------------
    context.close()
    browser.close()


with sync_playwright() as playwright:
    run(playwright)