import uuid

from app.models import NotificationStatistics
from app.notifications.process_client_response import (
    validate_callback_data,
    process_sms_client_response
)


def test_validate_callback_data_returns_none_when_valid():
    form = {'status': 'good',
            'reference': 'send-sms-code'}
    fields = ['status', 'reference']
    client_name = 'sms client'

    assert validate_callback_data(form, fields, client_name) is None


def test_validate_callback_data_return_errors_when_fields_are_empty():
    form = {'monkey': 'good'}
    fields = ['status', 'cid']
    client_name = 'sms client'

    errors = validate_callback_data(form, fields, client_name)
    assert len(errors) == 2
    assert "{} callback failed: {} missing".format(client_name, 'status') in errors
    assert "{} callback failed: {} missing".format(client_name, 'cid') in errors


def test_process_sms_response_return_success_for_send_sms_code_reference():
    success, error = process_sms_client_response(status='000', reference='send-sms-code', client_name='sms-client')
    assert success == "{} callback succeeded: send-sms-code".format('sms-client')
    assert error is None


def test_process_sms_response_returns_error_bad_reference():
    success, error = process_sms_client_response(status='000', reference='something-bad', client_name='sms-client')
    assert success is None
    assert error == "{} callback with invalid reference {}".format('sms-client', 'something-bad')


def test_process_sms_response_returns_error_for_unknown_sms_client():
    success, error = process_sms_client_response(status='000', reference=str(uuid.uuid4()), client_name='sms-client')
    assert success is None
    assert error == 'unknown sms client: {}'.format('sms-client')


def test_process_sms_response_returns_error_for_unknown_status():
    success, error = process_sms_client_response(status='000', reference=str(uuid.uuid4()), client_name='Firetext')
    assert success is None
    assert error == "{} callback failed: status {} not found.".format('Firetext', '000')


def test_process_sms_response_updates_notification_stats_for_valid_request(notify_db,
                                                                           notify_db_session,
                                                                           sample_notification):
    stats = NotificationStatistics.query.all()
    assert len(stats) == 1
    assert stats[0].sms_requested == 1
    assert stats[0].sms_delivered == 0
    assert stats[0].sms_failed == 0
    success, error = process_sms_client_response(status='0', reference=str(sample_notification.id),
                                                 client_name='Firetext')
    assert error is None
    assert success == "{} callback succeeded. reference {} updated".format('Firetext', sample_notification.id)
    stats = NotificationStatistics.query.all()
    assert len(stats) == 1
    assert stats[0].sms_requested == 1
    assert stats[0].sms_delivered == 1
    assert stats[0].sms_failed == 0


def test_process_sms_response_updates_notification_stats_for_valid_request_with_failed_status(notify_api,
                                                                                              notify_db,
                                                                                              notify_db_session,
                                                                                              sample_notification):
    with notify_api.test_request_context():
        stats = NotificationStatistics.query.all()
        assert len(stats) == 1
        assert stats[0].sms_requested == 1
        assert stats[0].sms_delivered == 0
        assert stats[0].sms_failed == 0
        success, error = process_sms_client_response(status='1', reference=str(sample_notification.id),
                                                     client_name='Firetext')
        assert success == "{} callback succeeded. reference {} updated".format('Firetext', sample_notification.id)
        assert error is None
        stats = NotificationStatistics.query.all()
        assert len(stats) == 1
        assert stats[0].sms_requested == 1
        assert stats[0].sms_delivered == 0
        assert stats[0].sms_failed == 1