import pytest

from app.tasks import chapter_cover_enqueue as enqueue_mod


def test_chapter_cover_enqueue_reuses_sync_redis_client(
    monkeypatch: pytest.MonkeyPatch,
) -> None:
    class FakeRedis:
        def __init__(self) -> None:
            self.set_calls = 0

        def set(self, *args, **kwargs):
            self.set_calls += 1
            return True

        def delete(self, key: str) -> None:
            return None

    shared_client = FakeRedis()

    def fake_get_sync_redis(*, decode_responses: bool):
        assert decode_responses is True
        return shared_client

    class Chapter:
        category = "childhood"
        cover_asset_id = None
        story_links = [object()]
        images = []

    class FakeCoverTask:
        def delay(self, chapter_id: str) -> None:
            return None

    monkeypatch.setattr(enqueue_mod, "get_sync_redis", fake_get_sync_redis)
    monkeypatch.setattr(
        enqueue_mod,
        "_load_chapter_for_enqueue_sync",
        lambda chapter_id: Chapter(),
    )
    monkeypatch.setattr(
        enqueue_mod,
        "chapter_has_story_links",
        lambda chapter: True,
    )
    monkeypatch.setattr(
        enqueue_mod,
        "effective_chapter_markdown_for_cover_gates",
        lambda chapter: "body",
    )
    monkeypatch.setattr(
        enqueue_mod,
        "strip_image_placeholders",
        lambda text: text,
    )
    monkeypatch.setattr(
        enqueue_mod,
        "chapter_eligible_for_cover_by_inline_body_image_count",
        lambda chapter, markdown: True,
    )
    monkeypatch.setattr(
        enqueue_mod,
        "primary_chapter_memoir_image",
        lambda chapter: None,
    )
    import app.tasks.chapter_cover_tasks as cover_tasks

    monkeypatch.setattr(cover_tasks, "generate_chapter_cover", FakeCoverTask())

    ok = enqueue_mod.try_enqueue_generate_chapter_cover("chapter-1", source="http")
    assert ok is True
    assert shared_client.set_calls == 1

    enqueue_mod.try_enqueue_generate_chapter_cover("chapter-2", source="http")
    assert shared_client.set_calls == 2