"""resolve_object_key / open_file for local storage."""
import pytest

from app.core.config import get_settings
from app.core import storage
from app.core.storage import StorageError


@pytest.fixture
def local_storage_env(tmp_path, monkeypatch):
    monkeypatch.setenv("STORAGE_TYPE", "local")
    monkeypatch.setenv("LOCAL_STORAGE_DIR", str(tmp_path))
    get_settings.cache_clear()
    yield tmp_path
    get_settings.cache_clear()


def test_resolve_uploads_url(local_storage_env):
    assert storage.resolve_object_key("/uploads/feedback/a.png") == "feedback/a.png"


def test_resolve_rejects_traversal(local_storage_env):
    with pytest.raises(StorageError):
        storage.resolve_object_key("/uploads/../etc/passwd")


def test_open_local_file(local_storage_env):
    stored = storage.upload_file(b"\x89PNG\r\n\x1a\n" + b"x" * 8, "a.png", "feedback")
    stream, content_type, filename, inline = storage.open_file(stored["url"])
    data = stream.read() if hasattr(stream, "read") else b"".join(stream)
    assert data.startswith(b"\x89PNG")
    assert "png" in content_type
    assert inline is True
    assert filename.endswith(".png")


def test_open_rejects_foreign_url(local_storage_env):
    with pytest.raises(StorageError):
        storage.open_file("https://evil.example/x.png")