import datetime
import unittest

from PyViCare.PyViCareUtils import (PyViCareCommandError,
                                    PyViCareDeviceCommunicationError,
                                    PyViCareRateLimitError)
from tests.helper import readJson


class TestPyViCareRateLimitError(unittest.TestCase):

    def test_createFromResponse(self):
        mockResponse = readJson('response/errors/rate_limit.json')

        error = PyViCareRateLimitError(mockResponse)

        self.assertEqual(
            error.message, 'API rate limit ViCare day limit exceeded. Max 1450 calls in timewindow. Limit reset at 2020-03-17T16:20:10.106000.')
        self.assertEqual(error.limitResetDate, datetime.datetime(
            2020, 3, 17, 16, 20, 10, 106000))


class TestPyViCareDeviceCommunicationError(unittest.TestCase):

    def test_createFromGatewayOffline(self):
        mockResponse = readJson('response/errors/gateway_offline.json')

        error = PyViCareDeviceCommunicationError(mockResponse)

        self.assertEqual(
            error.message, 'Device communication error. Reason: GATEWAY_OFFLINE')
        self.assertEqual(error.reason, 'GATEWAY_OFFLINE')

    def test_createFromDeviceOffline(self):
        mockResponse = readJson('response/errors/device_offline.json')

        error = PyViCareDeviceCommunicationError(mockResponse)

        self.assertEqual(
            error.message, 'Device communication error. Reason: DEVICE_OFFLINE')
        self.assertEqual(error.reason, 'DEVICE_OFFLINE')


class TestPyViCareCommandError(unittest.TestCase):

    def test_createFromResponse(self):
        mockResponse = readJson('response/errors/error_502.json')

        error = PyViCareCommandError(mockResponse)

        self.assertEqual(
            error.message, 'Command failed with status code 502. Reason given was: INTERNAL_SERVER_ERROR')