"""PR4 (finance closed-loop) — owner-scoped budget accountability view."""
from __future__ import annotations

from decimal import Decimal

import pytest

from app.domains.finance import budget_service

FY = 2026


@pytest.mark.asyncio
async def test_owner_scope_filters_to_owned_budgets(db_session):
    db = db_session
    await budget_service.create_budget(db, fiscal_year=FY, amount_usd=Decimal("1000"),
                                       department="Eng", owner_person_id="owner-A")
    await budget_service.create_budget(db, fiscal_year=FY, amount_usd=Decimal("2000"),
                                       department="Sales", owner_person_id="owner-B")
    await budget_service.create_budget(db, fiscal_year=FY, amount_usd=Decimal("3000"),
                                       department="Ops")  # unowned
    await db.flush()

    mine = await budget_service.budget_vs_actual(db, FY, f"{FY}-06", owner_person_id="owner-A", start_month=1)
    assert mine["budget_count"] == 1
    assert mine["items"][0]["department"] == "Eng"

    nobody = await budget_service.budget_vs_actual(db, FY, f"{FY}-06", owner_person_id="ghost", start_month=1)
    assert nobody["budget_count"] == 0

    everyone = await budget_service.budget_vs_actual(db, FY, f"{FY}-06", start_month=1)
    assert everyone["budget_count"] == 3