from datetime import date

from app.services.oa_resignation_kit_sync import extract_last_work_day


def test_extract_last_work_day():
    schema = {
        "rule": [
            {
                "type": "resignationKit",
                "props": {"lastWorkDayField": "f_last"},
                "children": [
                    {
                        "type": "datePicker",
                        "field": "f_last",
                        "props": {"_fc_kit_field": "lastWorkDay"},
                    }
                ],
            }
        ]
    }
    assert extract_last_work_day(schema, {"f_last": "2026-08-01"}) == date(2026, 8, 1)


def test_empty_skipped():
    schema = {
        "rule": [
            {
                "type": "resignationKit",
                "props": {"lastWorkDayField": "f_last"},
                "children": [],
            }
        ]
    }
    assert extract_last_work_day(schema, {"f_last": ""}) is None


def test_no_kit():
    assert extract_last_work_day({"rule": [{"type": "input", "field": "x"}]}, {"x": 1}) is None