"""Lambda test module."""

from unittest.mock import call

import pytest
from src.app import handler


def test_handler_with_new_repos(mock_handler_dependencies, mock_repos):
    """Test handler when new public repositories are detected and notified."""
    mock_handler_dependencies['get_public_repos'].return_value = mock_repos

    response = handler({}, {})

    assert response['status'] == 'OK'
    assert 'notified about 2 new' in response['message']
    mock_handler_dependencies['notify'].assert_called_once()
    mock_handler_dependencies['datadog'].publish_metric.assert_has_calls([
        call('github_public_repo_audit.attempt', 1),
        call('github_public_repo_audit.public_repos', 2),
        call('github_public_repo_audit.success', 1)
    ])
    assert mock_handler_dependencies['datadog'].publish_metric.call_count == 3


def test_handler_with_no_new_repos(mock_handler_dependencies):
    """Test handler when no new public repositories are found."""
    mock_handler_dependencies['get_public_repos'].return_value = []

    response = handler({}, {})

    assert response['status'] == 'OK'
    assert 'No new public repos found' in response['message']
    mock_handler_dependencies['notify'].assert_not_called()
    mock_handler_dependencies['datadog'].publish_metric.assert_has_calls([
        call('github_public_repo_audit.attempt', 1),
        call('github_public_repo_audit.public_repos', 0),
        call('github_public_repo_audit.success', 1)
    ])
    assert mock_handler_dependencies['datadog'].publish_metric.call_count == 3


def test_handler_with_exclude_list_set(mocker, mock_handler_dependencies, mock_repos):
    """Test handler when new public repositories are found and also exclude list is set."""
    mock_handler_dependencies['get_public_repos'].return_value = mock_repos
    mocker.patch('src.app.GITHUB_PUBLIC_REPO_TO_EXCLUDE', ['repo2'])

    response = handler({}, {})

    assert response['status'] == 'OK'
    assert 'notified about 1 new' in response['message']
    mock_handler_dependencies['notify'].assert_called_once()
    mock_handler_dependencies['datadog'].publish_metric.assert_has_calls([
        call('github_public_repo_audit.attempt', 1),
        call('github_public_repo_audit.public_repos', 1),
        call('github_public_repo_audit.success', 1)
    ])
    assert mock_handler_dependencies['datadog'].publish_metric.call_count == 3


def test_handler_exception(mock_handler_dependencies):
    """Test handler raises and logs exception properly."""
    mock_handler_dependencies['get_public_repos'].side_effect = Exception('Boom!')

    with pytest.raises(Exception, match='Boom!'):
        handler({}, {})

    mock_handler_dependencies['logger'].exception.assert_called_once()
    mock_handler_dependencies['datadog'].publish_metric.assert_has_calls([
        call('github_public_repo_audit.attempt', 1),
        call('github_public_repo_audit.error', 1)
    ])
    assert mock_handler_dependencies['datadog'].publish_metric.call_count == 2