import logging
import os
from unittest import mock

import pytest

from conftest import TEST_FOLDER
from connexion import AioHttpApp
from connexion.exceptions import ConnexionException


@pytest.fixture
def web_run_app_mock(monkeypatch):
    mock_ = mock.MagicMock()
    monkeypatch.setattr('connexion.apps.aiohttp_app.web.run_app', mock_)
    return mock_


@pytest.fixture
def sys_modules_mock(monkeypatch):
    monkeypatch.setattr('connexion.apps.aiohttp_app.sys.modules', {})


def test_app_run(web_run_app_mock, aiohttp_api_spec_dir):
    app = AioHttpApp(__name__, port=5001,
                     specification_dir=aiohttp_api_spec_dir,
                     debug=True)
    app.run(use_default_access_log=True)
    logger = logging.getLogger('connexion.aiohttp_app')
    assert web_run_app_mock.call_args_list == [
        mock.call(app.app, port=5001, host='0.0.0.0', access_log=logger)
    ]


def test_app_run_new_port(web_run_app_mock, aiohttp_api_spec_dir):
    app = AioHttpApp(__name__, port=5001,
                     specification_dir=aiohttp_api_spec_dir,
                     debug=True)
    app.run(port=5002)
    assert web_run_app_mock.call_args_list == [
        mock.call(app.app, port=5002, host='0.0.0.0', access_log=None)
    ]


def test_app_run_default_port(web_run_app_mock, aiohttp_api_spec_dir):
    app = AioHttpApp(__name__,
                     specification_dir=aiohttp_api_spec_dir,
                     debug=True)
    app.run()
    assert web_run_app_mock.call_args_list == [
        mock.call(app.app, port=5000, host='0.0.0.0', access_log=None)
    ]


def test_app_run_debug(web_run_app_mock, aiohttp_api_spec_dir):
    app = AioHttpApp(__name__, port=5001,
                     specification_dir=aiohttp_api_spec_dir)
    app.add_api('swagger_simple.yaml')
    app.run(debug=True)
    assert web_run_app_mock.call_args_list == [
        mock.call(app.app, port=5001, host='0.0.0.0', access_log=None)
    ]


def test_app_run_access_log(web_run_app_mock, aiohttp_api_spec_dir):
    app = AioHttpApp(__name__, port=5001,
                     specification_dir=aiohttp_api_spec_dir,
                     debug=True)
    logger = logging.getLogger('connexion.aiohttp_app')
    app.run(access_log=logger)
    assert web_run_app_mock.call_args_list == [
        mock.call(app.app, port=5001, host='0.0.0.0', access_log=logger)
    ]


def test_app_run_server_error(web_run_app_mock, aiohttp_api_spec_dir):
    app = AioHttpApp(__name__, port=5001,
                     specification_dir=aiohttp_api_spec_dir)

    with pytest.raises(Exception) as exc_info:
        app.run(server='other')

    assert exc_info.value.args == ('Server other not recognized',)


def test_app_get_root_path(aiohttp_api_spec_dir):
    app = AioHttpApp(__name__, port=5001,
                     specification_dir=aiohttp_api_spec_dir)
    assert app.get_root_path().endswith(os.path.join('tests', 'aiohttp')) == True


def test_app_get_root_path_not_in_sys_modules(sys_modules_mock, aiohttp_api_spec_dir):
    app = AioHttpApp('connexion', port=5001,
                     specification_dir=aiohttp_api_spec_dir)
    assert app.get_root_path().endswith(os.sep + 'connexion') == True


def test_app_get_root_path_invalid(sys_modules_mock, aiohttp_api_spec_dir):
    with pytest.raises(RuntimeError) as exc_info:
        AioHttpApp('error__', port=5001,
                   specification_dir=aiohttp_api_spec_dir)

    assert exc_info.value.args == ("Invalid import name 'error__'",)


def test_app_with_empty_base_path_error(aiohttp_api_spec_dir):
    spec_dir = '..' / aiohttp_api_spec_dir.relative_to(TEST_FOLDER)
    app = AioHttpApp(__name__, port=5001,
                     specification_dir=spec_dir,
                     debug=True)
    with pytest.raises(ConnexionException) as exc_info:
        app.add_api('swagger_empty_base_path.yaml')

    assert exc_info.value.args == (
        "aiohttp doesn't allow to set empty base_path ('/'), "
        "use non-empty instead, e.g /api",
    )


def test_app_with_empty_base_path_and_only_one_api(aiohttp_api_spec_dir):
    spec_dir = '..' / aiohttp_api_spec_dir.relative_to(TEST_FOLDER)
    app = AioHttpApp(__name__, port=5001,
                     specification_dir=spec_dir,
                     debug=True,
                     only_one_api=True)
    api = app.add_api('swagger_empty_base_path.yaml')
    assert api is app.app


def test_app_add_two_apis_error_with_only_one_api(aiohttp_api_spec_dir):
    spec_dir = '..' / aiohttp_api_spec_dir.relative_to(TEST_FOLDER)
    app = AioHttpApp(__name__, port=5001,
                     specification_dir=spec_dir,
                     debug=True,
                     only_one_api=True)
    app.add_api('swagger_empty_base_path.yaml')

    with pytest.raises(ConnexionException) as exc_info:
        app.add_api('swagger_empty_base_path.yaml')

    assert exc_info.value.args == (
        "an api was already added, "
        "create a new app with 'only_one_api=False' "
        "to add more than one api",
    )