import gzip
import json

import pytest

from pyinfra.utils.encoding import pack_for_upload
from pyinfra.visitor import SingleDownloadStrategy


@pytest.fixture()
def body():
    return {"dossierId": "folder", "fileId": "file", "targetFileExtension": "in.gz", "responseFileExtension": "out.gz"}


@pytest.mark.parametrize("client_name", ["mock", "azure", "s3"], scope="session")
class TestVisitor:
    @pytest.mark.parametrize("response_strategy_name", ["forwarding", "storage"], scope="session")
    def test_given_a_input_queue_message_callback_pulls_the_data_from_storage(
        self, visitor, body, storage, bucket_name
    ):
        storage.clear_bucket(bucket_name)
        storage.put_object(**SingleDownloadStrategy().get_object_descriptor(body), data=pack_for_upload(b"content"))
        data_received = list(visitor.load_data(body))
        assert [{"data": b"content", "metadata": {}}] == data_received

    @pytest.mark.parametrize("response_strategy_name", ["forwarding", "storage"], scope="session")
    def test_visitor_pulls_and_processes_data(self, visitor, body, storage, bucket_name):
        storage.clear_bucket(bucket_name)
        storage.put_object(**SingleDownloadStrategy().get_object_descriptor(body), data=pack_for_upload(b"2"))
        response_body = visitor.load_item_from_storage_and_process_with_callback(body)
        assert response_body["data"] == ["22"]

    @pytest.mark.parametrize("response_strategy_name", ["storage"], scope="session")
    def test_visitor_puts_response_on_storage(self, visitor, body, storage, bucket_name):
        storage.clear_bucket(bucket_name)
        storage.put_object(**SingleDownloadStrategy().get_object_descriptor(body), data=pack_for_upload(b"2"))
        response_body = visitor(body)
        assert "data" not in response_body
        assert json.loads(
            gzip.decompress(storage.get_object(bucket_name=bucket_name, object_name=response_body["responseFile"]))
        )["data"] == ["22"]