"""platform/objectstore — local-disk adapter round-trip (SD-0002 §6.2/§6.3.1)."""
import pytest

from app.platform import objectstore


def test_local_put_get_round_trip(tmp_path):
    store = objectstore.LocalObjectStore(str(tmp_path))
    key = "storefronts/1/product-images/9/original"
    store.put(key, b"\x89PNG-bytes", "image/png")
    assert store.get(key) == b"\x89PNG-bytes"


def test_local_get_missing_raises_not_found(tmp_path):
    store = objectstore.LocalObjectStore(str(tmp_path))
    with pytest.raises(objectstore.ObjectNotFound):
        store.get("nope/missing")


def test_local_delete_is_idempotent(tmp_path):
    store = objectstore.LocalObjectStore(str(tmp_path))
    store.put("a/b", b"x", "text/plain")
    store.delete("a/b")
    store.delete("a/b")  # no error second time
    with pytest.raises(objectstore.ObjectNotFound):
        store.get("a/b")


def test_local_keys_cannot_escape_base_dir(tmp_path):
    store = objectstore.LocalObjectStore(str(tmp_path))
    with pytest.raises(ValueError):
        store.put("../escape", b"x", "text/plain")


def test_build_objectstore_local(tmp_path, monkeypatch):
    monkeypatch.setenv("ECOMM_OBJECTSTORE_KIND", "local")
    monkeypatch.setenv("ECOMM_OBJECTSTORE_DIR", str(tmp_path))
    store = objectstore.build_objectstore("local")
    assert isinstance(store, objectstore.LocalObjectStore)


def test_build_objectstore_unknown_kind_raises():
    with pytest.raises(ValueError):
        objectstore.build_objectstore("s3")