from compLib.LogstashLogging import Logging
from compLib.Spi import Spi, Register
import spidev

SENSOR_COUNT = 5


class IRSensor(object):
    """Access the different IR Sensors of the robot
    """

    @staticmethod
    def read(sensor: int) -> int:
        if sensor <= 0 or sensor > SENSOR_COUNT:
            raise IndexError("Invalid sensor specified!")

        if sensor == 1:
            return Spi.read(Register.IR_1_H, 2)
        elif sensor == 2:
            return Spi.read(Register.IR_2_H, 2)
        elif sensor == 3:
            return Spi.read(Register.IR_3_H, 2)
        elif sensor == 4:
            return Spi.read(Register.IR_4_H, 2)

        return 0

    @staticmethod
    def set(sensor: int, on: bool):
        if sensor <= 0 or sensor > SENSOR_COUNT:
            raise IndexError("Invalid sensor specified!")

        if sensor == 1:
            Spi.write(Register.IR_1_LED, on)
        elif sensor == 2:
            Spi.write(Register.IR_2_LED, on)
        elif sensor == 3:
            Spi.write(Register.IR_3_LED, on)
        elif sensor == 4:
            Spi.write(Register.IR_4_LED, on)