####################################################################################
#
# Distributed under MIT Licence
#   See https://github.com/house-of-abbey/GarminHomeAssistant/blob/main/LICENSE.
#
####################################################################################
#
# GarminHomeAssistant is a Garmin IQ application written in Monkey C and routinely
# tested on a Venu 2 device. The source code is provided at:
#            https://github.com/house-of-abbey/GarminHomeAssistant.
#
# J D Abbey & P A Abbey, 28 December 2022
#
#
# Description:
#
# Python script to automatically resize the application icons from the original
# 48x48 pixel width to something more appropriate for different screen sizes.
#
# Python installation:
#   pip install BeautifulSoup
# NB. For XML formatting:
#   pip install lxml
#
# References:
#  * https://www.crummy.com/software/BeautifulSoup/bs4/doc/
#  * https://realpython.com/beautiful-soup-web-scraper-python/
#  * https://www.crummy.com/software/BeautifulSoup/bs4/doc/#parsing-xml
#  * https://www.crummy.com/software/BeautifulSoup/bs4/doc/#xml
#
####################################################################################

from bs4 import BeautifulSoup
import os
import shutil

output_dir_prefix = 'resources-icons-'
input_dir         = output_dir_prefix + '48'

# Convert icons to different screen sizes by these parameters
lookup = [
  55,
  53,
#  48,
  46,
  42,
  38,
  34, # Especially for the instinct3amoled50mm device that clip the icons
  32,
  30,
  28,
  26,
  24,
  "21-w",
  21,
  "18-w",
  18
]

# Delete all but the original 48x48 icon directories
for entry in os.listdir("."):
  if entry.startswith(output_dir_prefix) and entry != input_dir:
    shutil.rmtree(entry)

# (Re-)Create the resized icon directories
for icon_size in lookup:
  output_dir = output_dir_prefix + str(icon_size)
  white = False
  if isinstance(icon_size, str):
    white = True
    icon_size = int(icon_size.split("-")[0])
  print("\nCreate directory:", output_dir)
  if os.path.exists(output_dir) and os.path.isdir(output_dir):
    shutil.rmtree(output_dir)
  os.makedirs(output_dir)
  for entry in os.listdir(input_dir):
    if entry.endswith(".svg"):
      print("Create file:       ", entry.ljust(40) + " SVG - Change file")
      with open(input_dir + "/" + entry, "r") as f:
        soup = BeautifulSoup(f.read(), features="xml")
        svg: BeautifulSoup = list(soup.children)[0]
        svg.attrs["width"]  = icon_size
        svg.attrs["height"] = icon_size
        if white:
          # Add white colour style
          svg.find("style", id="colours").string = """
    .colour1 { color: #dddddd; }
    .colour2 { color: #ffffff; }
"""
        with open(output_dir + "/" + entry, "wb") as o:
          o.write(svg.encode("utf-8") + b"\n")
    elif entry.endswith(".xml"):
      print("Create file:       ", entry.ljust(40) + " XML - Copy file")
      shutil.copyfile(input_dir + "/" + entry, output_dir + "/" + entry)