import time

import adafruit_mcp3xxx.mcp3008 as MCP
import board
import busio
import digitalio
import RPi.GPIO as gp

from adafruit_mcp3xxx.analog_in import AnalogIn


def test_relay_on_off(rly=None):
    # use GPIO numbering
    gp.setmode(gp.BCM)

    gp.setup(rly, gp.OUT)
    gp.output(rly, gp.HIGH)

    try:
        while True:
            gp.output(rly, gp.LOW)
            print("Relay 1 ON")
            time.sleep(1)
            gp.output(rly, gp.HIGH)
            print("Relay 1 OFF")
            time.sleep(1)
    except KeyboardInterrupt:
        gp.cleanup()


def test_sensor_in_out_water():
    # create the spi bus
    spi = busio.SPI(clock=board.SCK, MISO=board.MISO, MOSI=board.MOSI)

    # create the chip select
    cs = digitalio.DigitalInOut(board.D5)

    # create the mcp object
    mcp = MCP.MCP3008(spi, cs)

    # create an analog input channel on pin 5
    analog_ic = AnalogIn(mcp, MCP.P5)

    try:
        while True:
            print(f"Raw ADC value: {analog_ic.value:.2f}")
            print(f"ADC Voltage value: {analog_ic.voltage:.3f}")
            time.sleep(.5)
    except KeyboardInterrupt:
        return


if __name__ == "__main__":
    # Relay 1 on GPIO21
    #test_relay_on_off(21)
    test_sensor_in_out_water()