import sys
import csv



def cmyk_to_hex(cp, mp, yp, kp):
    c = int(cp * 2.55)
    m = int(mp * 2.55)
    y = int(yp * 2.55)
    k = int(kp * 2.55)
    return "#{:02x}{:02x}{:02x}{:02x}".format(c,m,y,k)

def main(file_format, input, output):

    output_file_format = ""
    
    match file_format:
        case "gpl":
            output_file_format = f"{output}.gpl"
        case "scribus":
            output_file_format = f"{output}.xml"
    
    with open(input, newline='') as csvfile, open(output_file_format, "w") as out:
       code_reader = csv.reader(csvfile, delimiter=',')
       next(code_reader)

       match file_format:
           case "gpl":
               out.write(f"GIMP Palette\n")
               out.write(f"Name: {output}\n")
               out.write(f"Columns: 0\n")
               for row in code_reader:
                   hex = row[5].lstrip('#')
                   r = int(hex[0:2], 16)
                   g = int(hex[2:4], 16)
                   b = int(hex[4:6], 16)
                   out.write(f"{r} {g} {b} {row[0]}\n")
           case "scribus":
               out.write(f'<?xml version="1.0" encoding="UTF-8"?>\n')
               out.write(f'<SCRIBUSCOLORS Name="{output}">\n')
               for row in code_reader:
                   hex = cmyk_to_hex(float(row[1]), float(row[2]), float(row[3]), float(row[4]))
                   out.write(f'<COLOR Spot="0" Register="0" Name="{row[0]}" CMYK="{hex}"/>\n')
               out.write(f"</SCRIBUSCOLORS>")
                   

if __name__ == "__main__":

    if len(sys.argv) != 4:
        print('Usage: python main.py "format" "input" "output"')
        sys.exit(1)
    main(sys.argv[1], sys.argv[2], sys.argv[3])