"""绑合同时计划段产品包装规格校验。"""
from types import SimpleNamespace

from app.services.pl_contract_plan_qty import validate_stop_products_package_against_contract


def test_require_package_when_contract_bound():
    contract_products = [
        SimpleNamespace(product_id="p1", package_spec="25kg/桶"),
        SimpleNamespace(product_id="p1", package_spec="槽罐车"),
    ]
    ok, err = validate_stop_products_package_against_contract(
        contract_products=contract_products,
        stop_products=[SimpleNamespace(product_id="p1", package_spec="", product_name="次氯酸钠")],
    )
    assert ok is False
    assert err and "包装" in err


def test_package_must_be_in_contract_set():
    contract_products = [
        SimpleNamespace(product_id="p1", package_spec="25kg/桶"),
        SimpleNamespace(product_id="p1", package_spec="槽罐车"),
    ]
    ok, err = validate_stop_products_package_against_contract(
        contract_products=contract_products,
        stop_products=[SimpleNamespace(product_id="p1", package_spec="吨桶", product_name="次氯酸钠")],
    )
    assert ok is False
    assert err and "合同" in err


def test_valid_package_passes():
    contract_products = [
        SimpleNamespace(product_id="p1", package_spec="25kg/桶"),
        SimpleNamespace(product_id="p1", package_spec="槽罐车"),
    ]
    ok, err = validate_stop_products_package_against_contract(
        contract_products=contract_products,
        stop_products=[SimpleNamespace(product_id="p1", package_spec="槽罐车")],
    )
    assert ok is True
    assert err is None


def test_product_not_on_contract_skipped():
    contract_products = [
        SimpleNamespace(product_id="p1", package_spec="槽罐车"),
    ]
    ok, err = validate_stop_products_package_against_contract(
        contract_products=contract_products,
        stop_products=[SimpleNamespace(product_id="p2", package_spec="")],
    )
    assert ok is True


def test_contract_empty_package_allows_empty_plan():
    """脏数据防御：合同行包装为空时不强制计划填包装。"""
    contract_products = [
        SimpleNamespace(product_id="p1", package_spec=""),
    ]
    ok, err = validate_stop_products_package_against_contract(
        contract_products=contract_products,
        stop_products=[SimpleNamespace(product_id="p1", package_spec="")],
    )
    assert ok is True