#! /usr/bin/python3
# -*- coding: utf8 -*-

# load needed modules from luma
from luma.core.interface.serial import i2c, spi
from luma.core.render import canvas
from luma.oled.device import sh1106
from luma.core import lib
from luma.core.virtual import terminal

# load needed modules from RPi.GPIO
import RPi.GPIO as GPIO

# load needed modules from PIL
from PIL import ImageFont, ImageDraw, Image

# load more needed modules
import time
import sys

# load randommodules
from random import randint, gauss
from pathlib import Path

#GPIO define pins
RST_PIN  = 25 #Reset
CS_PIN   = 8
DC_PIN   = 24

serial = spi(device=0, port=0, bus_speed_hz = 8000000, transfer_size = 4096, gpio_DC = DC_PIN, gpio_RST = RST_PIN)
device = sh1106(serial, rotate=2) #sh1106

def make_font(name, size):
    font_path = str(Path(__file__).resolve().parent.joinpath('fonts', name))
    return ImageFont.truetype(font_path, size)


def main():
    while True:
        for fontname, size in [(None, None), ("tiny.ttf", 6), ("ProggyTiny.ttf", 16), ("creep.bdf", 16), ("miscfs_.ttf", 12), ("FreePixel.ttf", 12), ('ChiKareGo.ttf', 16)]:
            font = make_font(fontname, size) if fontname else None
            term = terminal(device, font)

            term.println("Terminal mode demo")
            term.println("------------------")
            term.println("Uses any font to output text using a number of different print methods.")
            term.println()
            time.sleep(2)
            term.println("The '{0}' font supports a terminal size of {1}x{2} characters.".format(fontname, term.width, term.height))
            term.println()
            time.sleep(2)
            term.println("An animation effect is defaulted to give the appearance of spooling to a teletype device.")
            term.println()
            time.sleep(2)

            term.println("".join(chr(i) for i in range(32, 127)))
            time.sleep(2)

            term.clear()
            for i in range(30):
                term.println("Line {0:03d}".format(i))

            term.animate = False
            time.sleep(2)
            term.clear()

            term.println("Progress bar")
            term.println("------------")
            for mill in range(0, 10001, 25):
                term.puts("\rPercent: {0:0.1f} %".format(mill / 100.0))
                term.flush()

            time.sleep(2)
            term.clear()
            term.puts("Backspace test.")
            term.flush()
            time.sleep(2)
            for _ in range(17):
                term.backspace()
                time.sleep(0.2)

            time.sleep(2)
            term.clear()
            term.animate = True
            term.println("Tabs test")
            term.println("|...|...|...|...|...|")
            term.println("1\t2\t4\t11")
            term.println("992\t43\t9\t12")
            term.println("\t3\t99\t1")
            term.flush()
            time.sleep(2)


if __name__ == "__main__":
    try:
        main()
    except KeyboardInterrupt:
        pass

GPIO.cleanup()