"""The tests for the Vultr sensor platform."""
import json
import unittest
from unittest.mock import patch

import pytest
import requests_mock
import voluptuous as vol

from homeassistant.components.sensor import vultr
from homeassistant.components import vultr as base_vultr
from homeassistant.components.vultr import CONF_SUBSCRIPTION
from homeassistant.const import (
    CONF_NAME, CONF_MONITORED_CONDITIONS, CONF_PLATFORM)

from tests.components.test_vultr import VALID_CONFIG
from tests.common import (
    get_test_home_assistant, load_fixture)


class TestVultrSensorSetup(unittest.TestCase):
    """Test the Vultr platform."""

    DEVICES = []

    def add_devices(self, devices, action):
        """Mock add devices."""
        for device in devices:
            self.DEVICES.append(device)

    def setUp(self):
        """Initialize values for this testcase class."""
        self.hass = get_test_home_assistant()
        self.configs = [
            {
                CONF_NAME: vultr.DEFAULT_NAME,
                CONF_SUBSCRIPTION: '576965',
                CONF_MONITORED_CONDITIONS: vultr.MONITORED_CONDITIONS
            },
            {
                CONF_NAME: 'Server {}',
                CONF_SUBSCRIPTION: '123456',
                CONF_MONITORED_CONDITIONS: vultr.MONITORED_CONDITIONS
            },
            {
                CONF_NAME: 'VPS Charges',
                CONF_SUBSCRIPTION: '555555',
                CONF_MONITORED_CONDITIONS: [
                    'pending_charges'
                ]
            }
        ]

    def tearDown(self):
        """Stop everything that was started."""
        self.hass.stop()

    @requests_mock.Mocker()
    def test_sensor(self, mock):
        """Test the Vultr sensor class and methods."""
        mock.get(
            'https://api.vultr.com/v1/account/info?api_key=ABCDEFG1234567',
            text=load_fixture('vultr_account_info.json'))

        with patch(
            'vultr.Vultr.server_list',
            return_value=json.loads(
                load_fixture('vultr_server_list.json'))):
            # Setup hub
            base_vultr.setup(self.hass, VALID_CONFIG)

        for config in self.configs:
            setup = vultr.setup_platform(
                self.hass, config, self.add_devices, None)

            self.assertIsNone(setup)

        self.assertEqual(5, len(self.DEVICES))

        tested = 0

        for device in self.DEVICES:

            # Test pre update
            if device.subscription == '576965':
                self.assertEqual(vultr.DEFAULT_NAME, device.name)

            device.update()

            if device.unit_of_measurement == 'GB':  # Test Bandwidth Used
                if device.subscription == '576965':
                    self.assertEqual(
                        'Vultr my new server Current Bandwidth Used',
                        device.name)
                    self.assertEqual('mdi:chart-histogram', device.icon)
                    self.assertEqual(131.51, device.state)
                    self.assertEqual('mdi:chart-histogram', device.icon)
                    tested += 1

                elif device.subscription == '123456':
                    self.assertEqual('Server Current Bandwidth Used',
                                     device.name)
                    self.assertEqual(957.46, device.state)
                    tested += 1

            elif device.unit_of_measurement == 'US$':  # Test Pending Charges

                if device.subscription == '576965':  # Default 'Vultr {} {}'
                    self.assertEqual('Vultr my new server Pending Charges',
                                     device.name)
                    self.assertEqual('mdi:currency-usd', device.icon)
                    self.assertEqual(46.67, device.state)
                    self.assertEqual('mdi:currency-usd', device.icon)
                    tested += 1

                elif device.subscription == '123456':  # Custom name with 1 {}
                    self.assertEqual('Server Pending Charges', device.name)
                    self.assertEqual('not a number', device.state)
                    tested += 1

                elif device.subscription == '555555':  # No {} in name
                    self.assertEqual('VPS Charges', device.name)
                    self.assertEqual(5.45, device.state)
                    tested += 1

        self.assertEqual(tested, 5)

    def test_invalid_sensor_config(self):
        """Test config type failures."""
        with pytest.raises(vol.Invalid):  # No subscription
            vultr.PLATFORM_SCHEMA({
                CONF_PLATFORM: base_vultr.DOMAIN,
                CONF_MONITORED_CONDITIONS: vultr.MONITORED_CONDITIONS
            })
        with pytest.raises(vol.Invalid):  # Bad monitored_conditions
            vultr.PLATFORM_SCHEMA({
                CONF_PLATFORM: base_vultr.DOMAIN,
                CONF_SUBSCRIPTION: '123456',
                CONF_MONITORED_CONDITIONS: [
                    'non-existent-condition',
                ]
            })

    @requests_mock.Mocker()
    def test_invalid_sensors(self, mock):
        """Test the VultrSensor fails."""
        mock.get(
            'https://api.vultr.com/v1/account/info?api_key=ABCDEFG1234567',
            text=load_fixture('vultr_account_info.json'))

        with patch(
            'vultr.Vultr.server_list',
            return_value=json.loads(
                load_fixture('vultr_server_list.json'))):
            # Setup hub
            base_vultr.setup(self.hass, VALID_CONFIG)

        bad_conf = {
            CONF_MONITORED_CONDITIONS: vultr.MONITORED_CONDITIONS,
        }  # No subs at all

        no_sub_setup = vultr.setup_platform(
            self.hass, bad_conf, self.add_devices, None)

        self.assertIsNone(no_sub_setup)
        self.assertEqual(0, len(self.DEVICES))