"""来源单价确认接口的权限边界。"""

from unittest.mock import Mock

import pytest

from app.api.v1.business.businesses import confirm_guidance, confirm_source_price
from app.core.exceptions import ForbiddenError
from app.schemas.business_source import GuidanceConfirmIn, SourcePriceConfirmIn
from app.services import authorization_service, business_source
from app.services.authorization_policy import permission_for


def test_来源单价确认路由要求业务更新权限():
    assert permission_for("business.businesses", "confirm_source_price", "PUT") == "business:businesses:update"


def test_无核算准备权限不能确认来源单价(monkeypatch):
    session, actor, meta = Mock(), Mock(), Mock()
    confirm = Mock()

    def deny(current_session, current_actor, permission):
        assert (current_session, current_actor, permission) == (session, actor, "payroll:prepare")
        raise ForbiddenError("无权核算准备")

    monkeypatch.setattr(authorization_service, "require_permission", deny)
    monkeypatch.setattr(business_source, "confirm_missing_source_price", confirm)
    payload = SourcePriceConfirmIn(revision="0" * 64, evidence="核对原单")
    with pytest.raises(ForbiddenError):
        confirm_source_price(session, actor, 1, 1, payload, meta)
    confirm.assert_not_called()


def test_指导成本登记必须同时具备核算准备和事实维护权限(monkeypatch):
    session, actor, meta = Mock(), Mock(), Mock()
    save = Mock(return_value={"status": "CREATED"})
    permissions = []

    def allow(current_session, current_actor, permission):
        assert (current_session, current_actor) == (session, actor)
        permissions.append(permission)

    monkeypatch.setattr(authorization_service, "require_permission", allow)
    monkeypatch.setattr(business_source, "confirm_guidance", save)
    payload = GuidanceConfirmIn(shipment_item_id=1, amount="2.1234", evidence="核对月度指导成本")

    result = confirm_guidance(session, actor, 1, payload, meta)

    assert result.data == {"status": "CREATED"}
    assert permissions == ["payroll:prepare", "tplus:facts"]
    save.assert_called_once_with(session, 1, payload, actor, meta)


def test_缺事实维护权限不能登记指导成本(monkeypatch):
    session, actor, meta = Mock(), Mock(), Mock()
    save = Mock()

    def deny(current_session, current_actor, permission):
        if permission == "tplus:facts":
            raise ForbiddenError("无权维护事实")

    monkeypatch.setattr(authorization_service, "require_permission", deny)
    monkeypatch.setattr(business_source, "confirm_guidance", save)
    payload = GuidanceConfirmIn(shipment_item_id=1, amount="2", evidence="核对")

    with pytest.raises(ForbiddenError):
        confirm_guidance(session, actor, 1, payload, meta)
    save.assert_not_called()


@pytest.mark.parametrize("amount", ["abc", "-1", "1.12345", "NaN"])
def test_指导成本入参拒绝非法精度和值(amount):
    with pytest.raises(ValueError):
        GuidanceConfirmIn(shipment_item_id=1, amount=amount, evidence="核对")