# display/epdconfig.py

import logging
import time

logger = logging.getLogger(__name__)


class DummyGPIO:
    BCM = OUT = IN = 0

    @staticmethod
    def setmode(*args):
        pass

    @staticmethod
    def setwarnings(*args):
        pass

    @staticmethod
    def setup(*args):
        pass

    @staticmethod
    def output(*args):
        pass

    @staticmethod
    def input(*args):
        return 1

    @staticmethod
    def cleanup(*args):
        pass


class DummySPI:
    max_speed_hz = 4000000
    mode = 0b00

    @staticmethod
    def open(*args):
        pass

    @staticmethod
    def writebytes(*args):
        pass

    @staticmethod
    def writebytes2(*args):
        pass

    @staticmethod
    def close():
        pass


try:
    import RPi.GPIO as GPIO
    import spidev

    SPI = spidev.SpiDev()
except ImportError:
    logger.warning(
        "RPi.GPIO or spidev not found. Using Dummy hardware drivers (Test Mode)."
    )
    GPIO = DummyGPIO()
    SPI = DummySPI()

RST_PIN = 17
DC_PIN = 25
CS_PIN = 8
BUSY_PIN = 24
PWR_PIN = 18


def digital_write(pin, value):
    GPIO.output(pin, value)


def digital_read(pin):
    return GPIO.input(pin)


def delay_ms(delaytime):
    time.sleep(delaytime / 1000.0)


def spi_writebyte(data):
    SPI.writebytes(data)


def spi_writebyte2(data):
    SPI.writebytes2(data)


def module_init():
    GPIO.setmode(GPIO.BCM)
    GPIO.setwarnings(False)
    GPIO.setup(RST_PIN, GPIO.OUT)
    GPIO.setup(DC_PIN, GPIO.OUT)
    GPIO.setup(CS_PIN, GPIO.OUT)
    GPIO.setup(PWR_PIN, GPIO.OUT)
    GPIO.setup(BUSY_PIN, GPIO.IN)
    GPIO.output(PWR_PIN, 1)

    SPI.open(0, 0)
    SPI.max_speed_hz = 4000000
    SPI.mode = 0b00
    return 0


def module_exit():
    SPI.close()
    GPIO.output(RST_PIN, 0)
    GPIO.output(DC_PIN, 0)
    GPIO.output(PWR_PIN, 0)
    GPIO.cleanup([RST_PIN, DC_PIN, CS_PIN, BUSY_PIN, PWR_PIN])