"""
Script for the flipdot recharge party animation
"""
# requires: python-fluepdot, python_dotenv
import os
from time import sleep
from dotenv import load_dotenv

from fluepdot import Fluepdot, Mode

logo = """                                  
                                  
                 X                
   XXXXXXXXXXXX XX XXXXXXXXXXX    
  XX           XXX           XX   
  X           XXX             X   
  X          XXXX             X   
  X          XXXXXXXX         XX  
  X         XXXXXXXX          XX  
  X             XXXX          X   
  X             XXX           X   
  XX           XXX           XX   
   XXXXXXXXXXX XX XXXXXXXXXXXX    
               X                  
                                  
                                  
"""

# convert text to framebuffer format
def textToFramebuffer(text: str, x:int=0, y:int=0, fontname:str="DejaVuSans.ttf", size:int=14) -> str:
  from PIL import Image, ImageFont, ImageDraw
  font = ImageFont.truetype(fontname, size)
  tw, th = font.getsize(text)
  while th >= 16:
    print(th)
    size -= 1
    font = ImageFont.truetype(fontname, size)
    tw, th = font.getsize(text)
  img = Image.new("1", (tw, 16), 0)
  draw = ImageDraw.Draw(img)
  draw.text((0, 0), text=text, font=font, fill=1)

  framebuffer: str = ""
  for y in range(img.height):
    for x in range(img.width):
      framebuffer += "X" if img.getpixel((x, y)) == 1 else " "
    framebuffer += "\n"
  return framebuffer


def scrl_frm(frame, loop: bool or int = False) -> None:
  def _extend_frame(line: str) -> str:
    return line+(" "*loop)+line[0:115]
  def _pad_frame(line: str) -> str:
    pad = " "*115
    return pad+line+pad

  frame = frame.split("\n")
  length = len(frame[0])+loop if type(loop) == int else len(frame[0])+115

  if type(loop) == int:
    frame = list(map(_extend_frame, frame))
  else:
    frame = list(map(_pad_frame, frame))

  _run_once=True
  while loop or type(loop)==int or _run_once:
    _run_once=False
    for i in range(0, length, 2):
      print(".\n".join(l[i:i+115] for l in frame))
      sleep(.1)

if __name__=="__main__":
  load_dotenv()
  hostname = os.getenv("DOTS_HOST")
  frame = textToFramebuffer("recharge! flipdot e.V.", fontname="DejaVuSans.ttf")
  fd = Fluepdot(f"http://{hostname}")
  fd.set_mode(Mode.DIFFERENTIAL)

  logoarr = logo.split("\n")
  nframe = ""
  for y in range(len(logoarr)):
    nframe += logoarr[y] + frame.split("\n")[y]+ "\n"
  nframe = nframe[:-1]
  print(nframe)
  fd.post_scroll_frame_raw(nframe, loop=2)
  #scrl_frm(nframe, loop=2)