"""The Textual app starts, lists a library, opens a book and leaves it again."""
import asyncio

import pytest

from diora_tui.app import DioraTuiApp
from diora_tui.reader_screen import ReaderScreen


@pytest.fixture
def store_fresh(tmp_path, monkeypatch):
    from diora_tui import progress

    st = progress.ProgressStore(tmp_path / "p.json")
    monkeypatch.setattr(progress, "_default", st)
    return st


def test_open_read_and_leave(epub, tmp_path):
    lib = tmp_path / "lib"
    lib.mkdir()
    path = epub(["<h1>Anfang</h1>" + "".join(f"<p>Absatz {i} " + "wort " * 40 + "</p>" for i in range(60))])
    path.rename(lib / path.name)

    async def run():
        app = DioraTuiApp(lib)
        async with app.run_test(size=(100, 30)) as pilot:
            await pilot.pause()
            await pilot.press("enter")
            for _ in range(50):
                await pilot.pause(0.1)
                if isinstance(app.screen, ReaderScreen):
                    break
            assert isinstance(app.screen, ReaderScreen)
            await pilot.pause(0.5)
            await pilot.press("j", "j", "j", "n")
            await pilot.press("escape")
            await pilot.pause()
            assert not isinstance(app.screen, ReaderScreen)

    asyncio.run(run())


def test_server_books_are_listed_before_they_are_downloaded(tmp_path, store_fresh):
    from textual.widgets import Label, ListView

    from diora_tui import library_meta

    lib = tmp_path / "lib"
    lib.mkdir()
    library_meta.set_remote({"s9": {"server_id": 9, "title": "Cloud-Buch", "author": "", "is_read": False, "uploaded_at": "2026-10-01"}})
    store_fresh.apply_server("s9", {"position_anchor": "5:0.5", "scroll_fraction": 0.4, "read_at": 1_760_000_000_000})

    async def run():
        app = DioraTuiApp(lib)
        async with app.run_test(size=(100, 30)) as pilot:
            await pilot.pause()
            items = app.screen.query_one(ListView).query(Label)
            text = " | ".join(str(i.render()) for i in items)
            assert "☁ Cloud-Buch" in text and "40 %" in text
            await pilot.press("enter")  # not signed in here: says so instead of failing
            await pilot.pause()
            assert not isinstance(app.screen, ReaderScreen)

    try:
        asyncio.run(run())
    finally:
        library_meta.set_remote({})