import pytest
from pytest_mock import MockerFixture

from src import config
from src.contract_attachments import remove_upcs_from_originating_account
from src.errors import PermanentError, TransientError

_UPCS = ["00602458823264"]
_ISRCS = ["USRC17607839"]
_SUCCESS_BODY = {"updated_terms": [], "total_removed": 2}


def _mock_resp(mocker: MockerFixture, status_code: int, json_body: object = None, text: str = "") -> object:
    resp = mocker.MagicMock()
    resp.status_code = status_code
    resp.text = text
    if json_body is not None:
        resp.json.return_value = json_body
    else:
        resp.json.side_effect = ValueError("no JSON")
    return resp


def test_happy_path_calls_delete_and_returns_result(mocker: MockerFixture) -> None:
    mock_delete = mocker.patch.object(config.ows_client, "delete")
    mock_delete.return_value = _mock_resp(mocker, 200, _SUCCESS_BODY)

    result = remove_upcs_from_originating_account(account_id=10, upcs=_UPCS, isrcs=_ISRCS)

    assert result == _SUCCESS_BODY
    mock_delete.assert_called_once_with(
        "ows-royalties",
        path="/account/10/contract-terms/attachments/bulk",
        json={"upcs": _UPCS, "isrcs": _ISRCS},
    )


def test_4xx_raises_permanent_error(mocker: MockerFixture) -> None:
    mock_delete = mocker.patch.object(config.ows_client, "delete")
    mock_delete.return_value = _mock_resp(mocker, 400, text="bad request")

    with pytest.raises(PermanentError, match="400"):
        remove_upcs_from_originating_account(account_id=10, upcs=_UPCS, isrcs=_ISRCS)


def test_5xx_raises_transient_error(mocker: MockerFixture) -> None:
    mock_delete = mocker.patch.object(config.ows_client, "delete")
    mock_delete.return_value = _mock_resp(mocker, 500, text="server error")

    with pytest.raises(TransientError, match="500"):
        remove_upcs_from_originating_account(account_id=10, upcs=_UPCS, isrcs=_ISRCS)


def test_non_json_raises_transient_error(mocker: MockerFixture) -> None:
    mock_delete = mocker.patch.object(config.ows_client, "delete")
    mock_delete.return_value = _mock_resp(mocker, 200, text="not json")

    with pytest.raises(TransientError, match="non-JSON"):
        remove_upcs_from_originating_account(account_id=10, upcs=_UPCS, isrcs=_ISRCS)