"""Контракт v1.2: новые необязательные поля и значение DISCLOSURE (docs change slice-2b design D-1)."""

import datetime
from decimal import Decimal

from src.contract.common import CONTRACT_VERSION
from src.contract.result import (
    FailedRelation,
    OsvHeader,
    StatementChecks,
    StatementDocument,
    StatementHeader,
)


def test_contract_version_is_1_2() -> None:
    assert CONTRACT_VERSION == "1.2"


def test_statement_document_accepts_disclosure_and_checks() -> None:
    document = StatementDocument(
        document_type="DISCLOSURE",
        locator="sheet:Пояснения",
        header=StatementHeader(form_name="Пояснения"),
        columns=[],
        lines=[],
    )
    assert document.checks is None
    checked = StatementDocument.model_validate(
        {
            "document_type": "BALANCE",
            "locator": "sheet:ББ",
            "header": {},
            "columns": [],
            "lines": [],
            "checks": {
                "relations_failed": [
                    {
                        "column_index": 0,
                        "relation": "1600 = 1100 + 1200",
                        "expected": "10.00",
                        "actual": "9.00",
                    }
                ],
                "soft_relations_failed": [],
                "duplicate_line_codes": ["1110"],
            },
        }
    )
    assert checked.checks == StatementChecks(
        relations_failed=[
            FailedRelation(
                column_index=0,
                relation="1600 = 1100 + 1200",
                expected=Decimal("10.00"),
                actual=Decimal("9.00"),
            )
        ],
        soft_relations_failed=[],
        duplicate_line_codes=["1110"],
    )
    wire = checked.model_dump(mode="json", by_alias=True, exclude_none=True)
    assert wire["checks"]["relations_failed"][0]["expected"] == "10.00"


def test_osv_header_period_bounds_are_optional_dates() -> None:
    header = OsvHeader(
        organization_name="ООО",
        account_code_raw="60",
        period_text="1 квартал 2025 г.",
    )
    assert header.period_start is None and header.is_from_year_start is None
    filled = OsvHeader.model_validate(
        {
            "organization_name": "ООО",
            "account_code_raw": "60",
            "period_text": "x",
            "period_start": "2024-10-01",
            "period_end": "2025-09-30",
            "is_from_year_start": False,
        }
    )
    assert filled.period_start == datetime.date(2024, 10, 1)
    assert filled.period_end == datetime.date(2025, 9, 30)