"""Lambda test module."""

from unittest.mock import call
from unittest.mock import patch

from content_utils.exceptions import InvalidMessageException
from content_utils.exceptions import NoReviewQueueItemDataException
import pytest

from src import app
from src.exceptions import ReviewQueueItemExplicitSkip


@patch('src.app.config.app_logger.debug')
@patch('src.app.event_handler')
def test_handler(mock_handler, mock_logger, mock_single_event):
    """Test handler function."""
    mock_result = {'status': 'complete'}
    result = app.handler(mock_single_event, None)
    assert mock_logger.call_args == call(mock_single_event)
    mock_handler.assert_called_once_with({
        'operation': 'update',
        'product_id': 1,
        'review_queue_id': 1
    })
    assert result == mock_result


@patch('src.app.config.app_logger.info')
@patch('src.app.event_handler')
def test_handler_no_records(mock_handler, mock_logger):
    """Test handler with message containing no records."""
    mock_event = {'Records': []}
    result = app.handler(mock_event, None)
    assert mock_handler.call_count == 0
    mock_logger.assert_called_once_with('SQS has no records')
    assert result == {'status': 'complete'}


@patch('src.app.event_handler')
def test_handler_skips_on_specific_exceptions(mock_handler, mock_single_event):
    """Test handler skips on specific events."""
    mock_handler.side_effect = InvalidMessageException('foo')
    result = app.handler(mock_single_event, None)
    assert result == {'status': 'complete'}
    mock_handler.side_effect = NoReviewQueueItemDataException('foo')
    result = app.handler(mock_single_event, None)
    assert result == {'status': 'complete'}
    mock_handler.side_effect = ReviewQueueItemExplicitSkip('foo')
    result = app.handler(mock_single_event, None)
    assert result == {'status': 'complete'}


@patch('src.app.event_handler')
def test_handler_raises_on_other_exceptions(mock_handler, mock_single_event):
    """Test handler raises on other events."""
    mock_handler.side_effect = ValueError('foo')
    with pytest.raises(ValueError):
        app.handler(mock_single_event, None)


@patch('src.app.event_handler')
def test_handler_does_nothing_empty_records(mock_handler):
    """Test handler does nothing with empty records."""
    result = app.handler({'Records': [{}]}, None)
    assert mock_handler.call_count == 0
    assert result == {'status': 'complete'}