"""已落库样本编码在协议编辑中不可修改。"""
from types import SimpleNamespace

import pytest

from app.crud.collection_protocol import validate_persisted_sample_codes_immutable


def _row(*, sid="ps-1", code="OLD-001", code_id="pool-1"):
    return SimpleNamespace(id=sid, sample_code=code, sample_code_id=code_id)


def test_rejects_code_change_when_persisted_id_present():
    existing = [_row()]
    with pytest.raises(ValueError, match="更正编码"):
        validate_persisted_sample_codes_immutable(
            existing,
            [{"id": "ps-1", "sampleCode": "NEW-001", "sampleCodeId": "pool-1"}],
        )


def test_rejects_code_id_change_when_persisted_id_present():
    existing = [_row()]
    with pytest.raises(ValueError, match="更正编码"):
        validate_persisted_sample_codes_immutable(
            existing,
            [{"id": "ps-1", "sampleCode": "OLD-001", "sampleCodeId": "pool-other"}],
        )


def test_allows_same_code_for_persisted_sample():
    existing = [_row()]
    validate_persisted_sample_codes_immutable(
        existing,
        [{"id": "ps-1", "sampleCode": "OLD-001", "sampleCodeId": "pool-1"}],
    )


def test_allows_new_sample_without_id():
    existing = [_row()]
    validate_persisted_sample_codes_immutable(
        existing,
        [
            {"id": "ps-1", "sampleCode": "OLD-001", "sampleCodeId": "pool-1"},
            {"sampleCode": "NEW-002", "sampleCodeId": "pool-2"},
        ],
    )


def test_ignores_unknown_id_as_new_sample():
    existing = [_row()]
    validate_persisted_sample_codes_immutable(
        existing,
        [{"id": "ps-unknown", "sampleCode": "ANY", "sampleCodeId": "x"}],
    )


def test_trims_before_compare():
    existing = [_row(code="OLD-001", code_id="pool-1")]
    validate_persisted_sample_codes_immutable(
        existing,
        [{"id": "ps-1", "sample_code": " OLD-001 ", "sample_code_id": " pool-1 "}],
    )