from __future__ import annotations

from datetime import date
from decimal import Decimal

from mousehold_api import models
from mousehold_api.services.projects import calculate_project_summary
from mousehold_domain import (
    PaymentLineStatus,
    PaymentStatus,
    PlanningStatus,
    ProjectStatus,
    ReconciliationStatus,
    SettlementStatus,
)
from sqlalchemy.orm import Session


def test_project_partial_payment_summary(
    session: Session,
    household_setup: dict[str, str],
) -> None:
    project = models.Project(
        household_id=household_setup["household_id"],
        name="Stockholm 2026",
        status=ProjectStatus.ACTIVE,
        currency="EUR",
    )
    session.add(project)
    session.flush()
    budget_line = models.ProjectBudgetLine(
        project_id=project.id,
        name="Accommodation",
        budgeted_amount=Decimal("800.00"),
    )
    session.add(budget_line)
    session.flush()
    item = models.ProjectPlannedItem(
        project_id=project.id,
        budget_line_id=budget_line.id,
        description="Hotel",
        estimated_amount=Decimal("800.00"),
        committed_amount=Decimal("760.00"),
        due_date=date(2026, 8, 12),
        planning_status=PlanningStatus.COMMITTED,
        payment_status=PaymentStatus.PARTIALLY_PAID,
        reconciliation_status=ReconciliationStatus.EMAIL_SEEN,
        settlement_status=SettlementStatus.UNSETTLED,
    )
    session.add(item)
    session.flush()
    session.add(
        models.PaymentLine(
            planned_item_id=item.id,
            amount=Decimal("200.00"),
            currency="EUR",
            date=date(2026, 1, 5),
            paid_by_user_id=household_setup["user_a_id"],
            status=PaymentLineStatus.PAID,
        )
    )
    session.commit()

    summary = calculate_project_summary(session, project.id)

    assert summary.budgeted_total == Decimal("800.00")
    assert summary.committed_total == Decimal("760.00")
    assert summary.paid_total == Decimal("200.00")
    assert summary.due_later_total == Decimal("560.00")
    assert summary.remaining_uncommitted_budget == Decimal("40.00")