"""Unit tests for calendar/ticket total functions."""
from __future__ import annotations

from decimal import Decimal
from types import SimpleNamespace

import pytest

from cart.bp.cart.services.calendar_cart import calendar_total, ticket_total


def _entry(cost):
    return SimpleNamespace(cost=cost)


def _ticket(price):
    return SimpleNamespace(price=price)


class TestCalendarTotal:
    def test_empty(self):
        assert calendar_total([]) == 0

    def test_single_entry(self):
        assert calendar_total([_entry(25.0)]) == Decimal("25.0")

    def test_none_cost_excluded(self):
        result = calendar_total([_entry(None)])
        assert result == 0

    def test_zero_cost(self):
        # cost=0 is falsy, so it produces Decimal(0) via the else branch
        result = calendar_total([_entry(0)])
        assert result == Decimal("0")

    def test_multiple(self):
        result = calendar_total([_entry(10.0), _entry(20.0)])
        assert result == Decimal("30.0")


class TestTicketTotal:
    def test_empty(self):
        assert ticket_total([]) == Decimal("0")

    def test_single_ticket(self):
        assert ticket_total([_ticket(15.0)]) == Decimal("15.0")

    def test_none_price_treated_as_zero(self):
        # ticket_total includes all tickets, None → Decimal(0)
        result = ticket_total([_ticket(None)])
        assert result == Decimal("0")

    def test_multiple(self):
        result = ticket_total([_ticket(5.0), _ticket(10.0)])
        assert result == Decimal("15.0")

    def test_mixed_with_none(self):
        result = ticket_total([_ticket(10.0), _ticket(None), _ticket(5.0)])
        assert result == Decimal("15.0")