from datetime import date

from app.services.oa_confirmation_kit_sync import extract_writeback_values


def _kit_schema(fields: dict):
    children = []
    props = {}
    for sem, fid in fields.items():
        props[f"{sem}Field" if not sem.endswith("Field") else sem] = fid
        # normalize: hireDate -> hireDateField already handled below
    # rebuild properly
    props = {}
    children = []
    for sem, fid in fields.items():
        props[sem + "Field"] = fid
        children.append(
            {
                "type": "input",
                "field": fid,
                "props": {"_fc_kit_field": sem},
            }
        )
    return {
        "rule": [
            {
                "type": "confirmationKit",
                "props": props,
                "children": children,
            }
        ]
    }


def test_extract_updates_six_fields():
    schema = _kit_schema(
        {
            "hireDate": "f_hire",
            "probationMonths": "f_prob",
            "name": "f_name",
            "email": "f_email",
            "dept": "f_dept",
            "phone": "f_phone",
        }
    )
    data = {
        "f_hire": "2026-01-15",
        "f_prob": 3,
        "f_name": "张三",
        "f_email": "a@b.com",
        "f_dept": {"id": "d1", "name": "研发"},
        "f_phone": "13800138000",
    }
    out = extract_writeback_values(schema, data)
    assert out["hire_date"] == date(2026, 1, 15)
    assert out["probation_months"] == 3
    assert out["nick_name"] == "张三"
    assert out["email"] == "a@b.com"
    assert out["dept_id"] == "d1"
    assert out["phone_no"] == "13800138000"


def test_empty_fields_skipped():
    schema = _kit_schema({"name": "f_name", "phone": "f_phone", "email": "f_email"})
    data = {"f_name": "李四", "f_phone": "", "f_email": "bad"}
    out = extract_writeback_values(schema, data)
    assert out == {"nick_name": "李四"}


def test_invalid_phone_skipped():
    schema = _kit_schema({"phone": "f_phone", "name": "f_name"})
    out = extract_writeback_values(schema, {"f_phone": "123", "f_name": "王五"})
    assert "phone_no" not in out
    assert out["nick_name"] == "王五"


def test_no_kit_noop():
    assert extract_writeback_values({"rule": [{"type": "input", "field": "x"}]}, {"x": 1}) == {}