"""Tests for account.utils.serialization."""

import datetime

import pytest

from account.utils.serialization import serialize_event, serialize_event_value


@pytest.mark.parametrize(
    'value, expected',
    [
        pytest.param(
            datetime.datetime(2024, 6, 15, 12, 0, 0),
            '2024-06-15T12:00:00',
            id='datetime to ISO string',
        ),
        pytest.param(
            datetime.datetime(2024, 1, 1, 0, 0, 0, 123456),
            '2024-01-01T00:00:00.123456',
            id='datetime with microseconds',
        ),
        pytest.param(
            datetime.date(2026, 1, 15),
            '2026-01-15',
            id='date to ISO string',
        ),
        pytest.param(42, 42, id='int passthrough'),
        pytest.param('hello', 'hello', id='str passthrough'),
        pytest.param(None, None, id='None passthrough'),
        pytest.param(3.14, 3.14, id='float passthrough'),
        pytest.param(True, True, id='bool passthrough'),
    ],
)
def test_serialize_event_value(value, expected):
    assert serialize_event_value(value) == expected


def test_serialize_event_converts_datetime_values():
    date = datetime.datetime(2024, 6, 15, 12, 0, 0)
    event = {'date_deleted': date, 'name': 'Test', 'vendor_id': 1}

    result = serialize_event(event)

    assert result == {'date_deleted': '2024-06-15T12:00:00', 'name': 'Test', 'vendor_id': 1}


def test_serialize_event_passthrough_no_dates():
    event = {'vendor_id': 42, 'name': 'Label', 'active': True}

    result = serialize_event(event)

    assert result == event


def test_serialize_event_does_not_mutate_input():
    date = datetime.datetime(2024, 3, 10, 9, 30, 0)
    event = {'date_created': date}

    serialize_event(event)

    assert event['date_created'] is date


def test_serialize_event_multiple_datetime_fields():
    created = datetime.datetime(2024, 1, 1, 0, 0, 0)
    deleted = datetime.datetime(2024, 6, 15, 12, 0, 0)
    event = {'date_created': created, 'date_deleted': deleted, 'name': 'Test'}

    result = serialize_event(event)

    assert result['date_created'] == '2024-01-01T00:00:00'
    assert result['date_deleted'] == '2024-06-15T12:00:00'
    assert result['name'] == 'Test'