# Moisture Sensor Class
from machine import ADC, Pin


class MoistureSensor:
    moisture_sensor_pin_int = -1

    moisture_sensor = None

    most_recent_value = []
    
    min_raw_value = None
    max_raw_value = None

    def __init__(self, moisture_sensor_data, min_raw_value=300, max_raw_value=65535):
        self.moisture_sensor_pin_int = moisture_sensor_data['pin_int']
        self.min_raw_value = min_raw_value
        self.max_raw_value = max_raw_value
        print("Hello from moisture sensor. Sensor pin is: " + str(self.moisture_sensor_pin_int))
        self.moisture_sensor = ADC(Pin(self.moisture_sensor_pin_int))

    def read(self):
        self.most_recent_value = [
                            {
                    'type': 'moisture',
                    'value': self.convert_to_moisture_percentage(self.moisture_sensor.read_u16()),
                    'unit': '%'
                },
            ]

    def normalize_sensor_value(self, raw_value):
        return (raw_value - self.min_raw_value) / (self.max_raw_value - self.min_raw_value)

    def convert_to_moisture_percentage(self, raw_value):
        normalized_value = self.normalize_sensor_value(raw_value)
        return round(100 - normalized_value * 100, 1)