# Moisture Sensor Class
from gs.classes.a_sensors import Sensors
from machine import ADC, Pin


class MoistureSensor(Sensors):
    
    sensor = None

    most_recent_values = []
    
    min_raw_value = None
    max_raw_value = None

    def __init__(self, sensor_data, min_raw_value=300, max_raw_value=65535):
        super().__init__(sensor_data)
        print("Initialize moisture sensor. Sensor pin is: " + str(sensor_data['pin_int']))
        self.sensor_pin_int = sensor_data['pin_int']
        self.min_raw_value = min_raw_value
        self.max_raw_value = max_raw_value
        self.sensor = ADC(Pin(self.sensor_pin_int))

    def read(self):
        self.most_recent_values = [
            {
                'type': 'moisture',
                'value': self.convert_to_moisture_percentage(self.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)