from playwright.sync_api import sync_playwright


def get_book_medianr(signature: str, semesterapparat_nr: int, auth: tuple) -> str:
    with sync_playwright() as playwright:
        browser = playwright.chromium.launch(headless=True)
        context = browser.new_context()
        page = context.new_page()
        page.goto(
            "https://bsz.ibs-bw.de:22998/aDISWeb/app?service=direct/0/Home/$DirectLink&sp=SDAP42"
        )
        page.get_by_role("textbox", name="Benutzer").fill(auth[0])
        page.get_by_role("textbox", name="Benutzer").press("Tab")
        page.get_by_role("textbox", name="Kennwort").fill(auth[1])
        page.get_by_role("textbox", name="Kennwort").press("Enter")
        page.get_by_role("button", name="Katalog").click()
        page.get_by_role("textbox", name="Signatur").click()
        page.get_by_role("textbox", name="Signatur").fill(signature)
        page.get_by_role("textbox", name="Signatur").press("Enter")
        book_list = page.locator("iframe").content_frame.get_by_role(
            "cell", name="Bibliothek der Pädagogischen"
        )
        # this will always find one result, we need to split the resulting text based on the entries that start with "* "
        book_entries = book_list.inner_text().split("\n")
        books = []
        for entry in book_entries:
            if entry.startswith("* "):
                books.append(entry)
        for book in books:
            if f"Semesterapparat: {semesterapparat_nr}" in book:
                return book.split("* ")[1].split(":")[0]

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