import tempfile
from collections.abc import AsyncIterator
from pathlib import Path

import pytest
from watchfiles import Change as FileChange

from beaver_gateway.vault import watch as watch_module
from beaver_gateway.vault.watch import VaultFilter, VaultWatch, WatchRules

VAULT = Path("/vault")
FILTER = VaultFilter()


def wakes(rel: str) -> bool:
    return FILTER(FileChange.modified, str(VAULT / rel))


def test_obsidian_never_wakes_the_watcher() -> None:
    assert not wakes(".obsidian/.sync.lock")
    assert not wakes(".obsidian/.sync.lock/data")
    assert not wakes(".obsidian")
    assert not wakes(".obsidian/workspace.json")
    assert not wakes(".obsidian/plugins/obsidian-git/data.json")


def test_other_service_paths_never_wake_the_watcher() -> None:
    assert not wakes(".trash/📅 дни/2026-09-01.md")
    assert not wakes(".git/index")


def test_notes_still_wake_the_watcher() -> None:
    assert wakes("📅 дни/2026-09-09.md")
    assert wakes("мета/бобер/состояние.md")
    assert wakes("заметка.md")
    assert wakes("💻 проекты/бобер/план.md")


def test_lock_beside_a_note_is_quiet_but_the_note_is_not() -> None:
    assert not wakes("📅 дни/.2026-09-09.md.lock")
    assert not wakes("📅 дни/2026-09-09.md.tmp")
    assert not wakes("📅 дни/2026-09-09.md~")
    assert wakes("📅 дни/2026-09-09.md")


async def test_the_filter_is_applied_by_awatch_itself(
    monkeypatch: pytest.MonkeyPatch,
) -> None:
    seen: dict[str, object] = {}

    async def fake_awatch(
        *paths: object, **kwargs: object
    ) -> AsyncIterator[set[object]]:
        seen.update(kwargs)
        seen["paths"] = paths
        for change in ():
            yield change

    monkeypatch.setattr(watch_module, "awatch", fake_awatch)
    root = Path(tempfile.mkdtemp(prefix="beaver-vault-"))
    watch = VaultWatch(root, WatchRules(names=("**",)), tz="UTC")
    await watch.run()
    assert isinstance(seen["watch_filter"], VaultFilter)