import pytest

from app.local_file_client import LocalFileClient


@pytest.fixture
def client(tmp_path):
    return LocalFileClient(str(tmp_path))


def test_put_and_get_object_roundtrip(client):
    client.put_object("产品文档/架构设计.md", b"# hi", "text/markdown")

    assert client.get_object("产品文档/架构设计.md") == b"# hi"


def test_get_object_raises_file_not_found_for_missing_key(client):
    with pytest.raises(FileNotFoundError):
        client.get_object("不存在/文档.md")


def test_delete_object_removes_file(client):
    client.put_object("产品文档/旧文档.md", b"old", "text/markdown")

    client.delete_object("产品文档/旧文档.md")

    with pytest.raises(FileNotFoundError):
        client.get_object("产品文档/旧文档.md")


def test_delete_object_raises_file_not_found_for_missing_key(client):
    with pytest.raises(FileNotFoundError):
        client.delete_object("不存在/文档.md")


def test_list_objects_returns_files_and_dirs_at_prefix(client):
    client.put_object("产品文档/架构设计.md", b"# hi", "text/markdown")
    client.put_object("团队规范/编码规范.md", b"# rules", "text/markdown")

    result = client.list_objects("产品文档/")

    assert len(result) == 1
    assert result[0]["key"] == "产品文档/架构设计.md"
    assert result[0]["size"] == 4
    assert result[0]["is_dir"] is False


def test_list_objects_returns_empty_list_for_missing_prefix(client):
    assert client.list_objects("不存在/") == []


def test_resolve_path_rejects_path_traversal(client):
    with pytest.raises(ValueError):
        client.get_object("../../etc/passwd")