"""Схемы консолидаций (Срез 4, D-16): границы валидации, суммы-строки в JSON, неизменяемость доменного состояния."""

import dataclasses
import uuid
from decimal import Decimal
from typing import Any

import pytest
from pydantic import ValidationError

from src.domain.checklist import CellStatus, EntityFilesState
from src.domain.consolidated_osv import CounterpartyType as DomainCounterpartyType
from src.models.enums import CounterpartyMatchKind, FileStatus, PeriodQuarter
from src.schemas import consolidations as schemas
from src.schemas.consolidations import (
    ChecklistCellOut,
    ConsolidatedRowOut,
    ConsolidationCreate,
    MapCounterpartyIn,
    OsvFilters,
    OsvPageParams,
    StatusIn,
)

MAX_LIMIT = 2000


def test_consolidation_create_year_bounds() -> None:
    ids = {"company_group_id": uuid.uuid4(), "related_group_id": uuid.uuid4(), "quarter": "Q3"}
    assert ConsolidationCreate(year=2024, **ids).quarter == PeriodQuarter.Q3
    for year in (1999, 2101):
        with pytest.raises(ValidationError):
            ConsolidationCreate(year=year, **ids)


def test_osv_page_params_limit_bounds() -> None:
    assert (OsvPageParams().limit, OsvPageParams().offset) == (500, 0)  # noqa: PLR2004
    assert OsvPageParams(limit=MAX_LIMIT).limit == MAX_LIMIT
    for bad in ({"limit": MAX_LIMIT + 1}, {"limit": 0}, {"offset": -1}):
        with pytest.raises(ValidationError):
            OsvPageParams(**bad)


def test_osv_filters_repeated_match_kind_and_no_pagination() -> None:
    """Фильтры — отдельная модель от пагинации (T2.7): `limit`/`offset` в ней нет."""
    assert "limit" not in OsvFilters.model_fields
    assert "offset" not in OsvFilters.model_fields
    with pytest.raises(ValidationError):
        OsvFilters(counterparty_type="OTHER")  # type: ignore[arg-type]
    assert OsvFilters(match_kind=["NAME", "ALIAS"]).match_kind == [
        CounterpartyMatchKind.NAME,
        CounterpartyMatchKind.ALIAS,
    ]


def test_defaults_of_input_schemas() -> None:
    assert MapCounterpartyIn(legal_entity_id=uuid.uuid4()).move_alias is False
    assert StatusIn(to_status="CANCELLED").comment is None


def _row(**amounts: Decimal | None) -> ConsolidatedRowOut:
    fields: dict[str, Any] = {
        "entry_ids": [uuid.uuid4()],
        "legal_entity_id": uuid.uuid4(),
        "legal_entity_name": "ООО",
        "legal_entity_inn": "7701000001",
        "account_code": "60",
        "account_root": "60",
        "period": "2024 Q3",
        "is_cumulative": False,
        "row_number": 1,
        "counterparty_name": "А",
        "counterparty_inn": None,
        "counterparty_id": None,
        "counterparty_entity_name": None,
        "counterparty_type": "EXTERNAL",
        "match_kind": None,
        "match_stored": False,
        "opening_debit": None,
        "opening_credit": None,
        "turnover_debit": None,
        "turnover_credit": None,
        "closing_debit": None,
        "closing_credit": None,
        "warnings": [],
    }
    return ConsolidatedRowOut(**{**fields, **amounts})


def test_consolidated_row_serializes_money_as_strings() -> None:
    row = _row(opening_debit=Decimal("100.50"), turnover_debit=Decimal("0.00"))
    dumped = row.model_dump(mode="json")
    assert (dumped["opening_debit"], dumped["opening_credit"], dumped["turnover_debit"]) == ("100.50", None, "0.00")


def test_consolidated_row_money_has_two_decimals() -> None:
    """Суммы свода — всегда с двумя знаками (`"0.00"`, не `"0"`): ноль склейки и сумма Decimal не меняют вид."""
    row = _row(opening_debit=Decimal("0"), turnover_debit=Decimal("30.00"), closing_debit=Decimal("7"))
    dumped = row.model_dump(mode="json")
    assert (dumped["opening_debit"], dumped["turnover_debit"], dumped["closing_debit"]) == ("0.00", "30.00", "7.00")


def test_entity_files_state_is_frozen() -> None:
    state = EntityFilesState(has_in_progress=True, last_file_status=FileStatus.ERROR)
    with pytest.raises(dataclasses.FrozenInstanceError):
        state.has_in_progress = False  # type: ignore[misc]


def test_checklist_cell_status_is_the_domain_enum() -> None:
    """Статус ячейки в схеме — `domain.checklist.CellStatus` (одно определение, T2.8): все значения принимаются."""
    for status in CellStatus:
        cell = ChecklistCellOut(status=status.value, missing_quarters=[], document_ids=[])  # type: ignore[arg-type]
        assert cell.status is status
    with pytest.raises(ValidationError):
        ChecklistCellOut(status="UNKNOWN", missing_quarters=[], document_ids=[])  # type: ignore[arg-type]


def test_counterparty_type_is_the_domain_enum() -> None:
    """Признак контрагента в схеме — `domain.consolidated_osv.CounterpartyType` (одно определение, T2.8)."""
    assert schemas.CounterpartyType is DomainCounterpartyType
    assert OsvFilters(counterparty_type="GK").counterparty_type is DomainCounterpartyType.GK
    with pytest.raises(ValidationError):
        OsvFilters(counterparty_type="OTHER")  # type: ignore[arg-type]