import pytest
from classquiz.config import settings
from classquiz.storage import Storage

settings = settings()

file_contents = b"hello world"


def test_storage_init():
    with pytest.raises(NotImplementedError):
        Storage(backend="asdsad", deta_key=settings.deta_project_key,
                deta_id=settings.deta_project_id, storage_path=settings.storage_path)
    with pytest.raises(ValueError):
        Storage(backend="deta", deta_key=None,
                deta_id=None, storage_path=None)
    with pytest.raises(ValueError):
        Storage(backend="local", storage_path=None, deta_key=None, deta_id=None)


async def storage_tester(storage: Storage):
    res = await storage.upload(file_name="test.txt", file_data=file_contents)
    assert res is None
    res = await storage.download(file_name="test.txt")
    assert res.read() == file_contents
    res = await storage.delete(file_names=["test.txt"])
    assert res is None
    res = await storage.download(file_name="test.txt")
    assert res is None
    res = await storage.delete(file_names=["test.txt"])
    assert res is None


@pytest.mark.asyncio
async def test_deta():
    storage: Storage = Storage(backend="deta", deta_key=settings.deta_project_key,
                               deta_id=settings.deta_project_id, storage_path=settings.storage_path)
    await storage_tester(storage)


@pytest.mark.asyncio
async def test_local():
    storage: Storage = Storage(backend="local", storage_path=settings.storage_path, deta_key=None, deta_id=None)
    await storage_tester(storage)