"""flush_pending / sync_library against a stubbed API (the server side is covered by the real
local server in tools/smoke_server.py)."""
import pytest
import requests

from diora_tui import api, progress, remote
from diora_tui.config import RemoteConfig

T = 1_760_000_000_000
CFG = RemoteConfig("http://x", "tok", "key")


@pytest.fixture(autouse=True)
def fresh_store(tmp_path, monkeypatch):
    store = progress.ProgressStore(tmp_path / "p.json")
    monkeypatch.setattr(progress, "_default", store)
    return store


def test_flush_sends_read_at_and_device_and_clears_the_queue(fresh_store, monkeypatch):
    fresh_store.write("s7", "3:0.5", 0.25, T, now=T)
    sent = []

    def fake_post(server, token, book_id, **kw):
        sent.append((book_id, kw))
        return {"ok": True, "stored": True, "read_at": T, "position_anchor": "3:0.5", "scroll_fraction": 0.25, "server_now": T}

    monkeypatch.setattr(api, "post_progress", fake_post)
    assert remote.flush_pending(CFG) == 1
    assert sent == [(7, {"anchor": "3:0.5", "fraction": 0.25, "read_at": T, "device": "diora TUI", "force": False})]
    assert fresh_store.get("s7").pending is None


def test_flush_keeps_the_queue_when_offline(fresh_store, monkeypatch):
    fresh_store.write("s7", "3:0.5", 0.25, T, now=T)

    def offline(*a, **kw):
        raise requests.ConnectionError("no network")

    monkeypatch.setattr(api, "post_progress", offline)
    assert remote.flush_pending(CFG) == 0
    assert fresh_store.get("s7").pending is not None


def test_flush_drops_the_queue_of_a_deleted_book(fresh_store, monkeypatch):
    fresh_store.write("s7", "3:0.5", 0.25, T, now=T)

    def gone(*a, **kw):
        raise api.ApiError("Buch 7 nicht gefunden (gelöscht oder anderes Konto?)")

    monkeypatch.setattr(api, "post_progress", gone)
    remote.flush_pending(CFG)
    assert fresh_store.get("s7").pending is None


def test_flush_ignores_local_books(fresh_store, monkeypatch):
    fresh_store.write("abcdef0123456789", "3:0.5", 0.25, T, now=T)  # queue=True by default, but not a server key
    monkeypatch.setattr(api, "post_progress", lambda *a, **k: pytest.fail("must not be sent"))
    assert remote.flush_pending(CFG) == 0