from app.alerts.delivery import Deliverer
from app.alerts.extras import Extras
from app.chat import BACKEND_TELEGRAM, Target, TELEGRAM_MESSAGE_MAX


class RecordingAdapter:
    name = BACKEND_TELEGRAM

    def __init__(self):
        self.sent = []

    async def send(self, target, text, buttons=(), silent=False):
        self.sent.append(text)
        return None

    async def edit(self, ref, text, buttons=(), silent=False):
        self.sent.append(text)


async def test_hint_is_kept_intact_when_text_is_long():
    adapter = RecordingAdapter()
    deliverer = Deliverer(lambda: _adapters(adapter))
    hint = "Antwort mit !mute 2h zum Stummschalten"
    extra = Extras(hint=hint)
    await deliverer.send("<b>" + "x" * 5000 + "</b>", [Target(BACKEND_TELEGRAM, "42")],
                         extras=lambda backend: extra)
    sent = adapter.sent[0]
    assert sent.endswith(f"\n{hint}")
    assert len(sent) <= TELEGRAM_MESSAGE_MAX


async def _adapters(adapter):
    return [adapter]