#! /bin/python 
import os,re

# Delete the spritesheet.svg file if it exists
if os.path.exists("spritesheet.svg"):
    os.remove("spritesheet.svg")

# Open the output file and write the opening <svg> tag
with open("spritesheet.svg", "w") as f:
    f.write('<svg style="display:none;">\n')

# List all the SVG files in the current directory
for filename in os.listdir():
    if filename.endswith(".svg") and filename != 'spritesheet.svg':
        # Read the SVG file
        with open(filename, "r") as f:
            svg = f.read()

        # Extract the viewbox attribute from the SVG file
        viewbox = re.search(r'viewBox="(.*?)"', svg).group(1)

        # Extract the content within the <svg> tag
        start = svg.find('<svg')+4
        end = svg.find('</svg>', start) + len('</svg>')
        svg = svg[start:end]

        # Remove stroke and fill attributes from the children
        svg = re.sub(r'height="(.*?)"', '', svg,1)
        svg = re.sub(r'width="(.*?)"', '', svg,1)
        svg = svg.replace("fill:#000000;","")
        svg = svg.replace("stroke:#000000;","")
        svg = svg.replace("fill:none","fill:none !important;")
        svg = re.sub(r'showgrid="(.*?)"','',svg)
        svg = re.sub(r'id="(.*?)"','',svg)
        svg = re.sub(r'inkscape:.*?=".*?"', '', svg)
        svg = re.sub(r'<sodipodi:namedview.*?\/\>','',svg,flags=re.S)
        svg = re.sub(r'<defs.*?\/\>','',svg,flags=re.S)
        svg = re.sub(r'sodipodi:.*?=".*?"', '', svg)
        svg = re.sub(r'xmlns.*?=".*?"', '', svg)
        svg = re.sub(r'version="(.*?)"', '', svg)

        # Replace the closing </svg> tag with the closing </symbol> tag
        svg = svg.replace('</svg>', '</symbol>', 1)


        # Insert the id and viewbox attributes in the opening <svg> tag
        id = os.path.splitext(filename)[0]
        svg = f'<symbol id="{id}" {svg}'

        # Write the modified SVG to the output file
        with open("spritesheet.svg", "a") as f:
            f.write(svg.replace("\n\n",''))

# Write the closing </svg> tag to the output file
with open("spritesheet.svg", "a") as f:
    f.write('</svg>\n')