from unittest import TestCase

import pytest

from miio import WaterPurifier
from miio.waterpurifier import WaterPurifierStatus

from .dummies import DummyDevice


class DummyWaterPurifier(DummyDevice, WaterPurifier):
    def __init__(self, *args, **kwargs):
        self.state = {
            "power": "on",
            "mode": "unknown",
            "tds": "unknown",
            "filter1_life": -1,
            "filter1_state": -1,
            "filter_life": -1,
            "filter_state": -1,
            "life": -1,
            "state": -1,
            "level": "unknown",
            "volume": "unknown",
            "filter": "unknown",
            "usage": "unknown",
            "temperature": "unknown",
            "uv_life": -1,
            "uv_state": -1,
            "elecval_state": "unknown",
        }
        self.return_values = {
            "get_prop": self._get_state,
            "set_power": lambda x: self._set_state("power", x),
        }
        super().__init__(args, kwargs)


@pytest.fixture(scope="class")
def waterpurifier(request):
    request.cls.device = DummyWaterPurifier()
    # TODO add ability to test on a real device


@pytest.mark.usefixtures("waterpurifier")
class TestWaterPurifier(TestCase):
    def is_on(self):
        return self.device.status().is_on

    def state(self):
        return self.device.status()

    def test_on(self):
        self.device.off()  # ensure off
        assert self.is_on() is False

        self.device.on()
        assert self.is_on() is True

    def test_off(self):
        self.device.on()  # ensure on
        assert self.is_on() is True

        self.device.off()
        assert self.is_on() is False

    def test_status(self):
        self.device._reset_state()

        assert repr(self.state()) == repr(WaterPurifierStatus(self.device.start_state))

        assert self.is_on() is True