from iti.responses import fail, ok, page, pagination
from iti.schemas import ItiModel


class UserOut(ItiModel):
    user_id: str
    created_at: str


def test_envelope_helpers():
    assert ok({"id": "1"}) == {"data": {"id": "1"}, "code": 200, "message": "成功"}
    assert fail("x", code=400) == {"data": None, "code": 400, "message": "x"}


def test_page_helper():
    result = page([{"id": 1}], pagination(page=2, size=10, total=11))

    assert result["data"]["items"] == [{"id": 1}]
    assert result["data"]["page"] == {"page": 2, "size": 10, "pages": 2, "total": 11}


def test_model_outputs_camel_case():
    result = UserOut(user_id="u1", created_at="2026-01-01").model_dump(by_alias=True)

    assert result == {"userId": "u1", "createdAt": "2026-01-01"}