from dht import DHT22
from machine import ADC, Pin


class TemperatureHumiditySensor:
    dht22_sensor_pin_int = -1

    dht22_sensor = None

    most_recent_values = {}

    def __init__(self, settings):
        print("Hello from dht22 sensor  class")
        print(settings)
        self.dht22_sensor_pin_int = settings['pin_int']
        self.dht22_sensor = DHT22(Pin(self.dht22_sensor_pin_int, Pin.IN, Pin.PULL_UP))

    def read(self):
        try:
            self.dht22_sensor.measure()
            self.most_recent_values = {
                'temperature': {
                    'value': self.dht22_sensor.temperature(),
                    'unit': '°C'},
                'humidity': {
                    'value': self.dht22_sensor.humidity(),
                    'unit': '%'
                }
            }
        except OSError:
            print('DHT22 Error reading temperature/humidity. Check wires')
            print()