from typing import TextIO
from sys import exit


def convert_to_single_line(in_file: str, out_file: str):
    with open(in_file, 'r', encoding='utf8') as in_stream:
        lines = in_stream.readlines()
        with open(out_file, 'w', encoding='utf8') as out_stream:
            for i in range(0, len(lines), 4):
                for ch in lines[i].strip():
                    if ch != ' ':
                        generate_line(out_stream, ch, lines[i+2].strip(), lines[i+3].strip())


def generate_line(out_stream: TextIO, ch: str, dots: str, comment: str):
    unicode_dots = dot_string_to_unicode(dots)
    if unicode_dots=='':
        print(f"ERROR: comment is {comment}")
        exit()
    out_stream.write(f""" - "{ch}": [t: "{unicode_dots}"]                # {f'0x{ord(ch):04X}'} ({comment})\n""")


def dot_string_to_unicode(dots: str) -> str:
    dots = dots.split('-')
    answer = ''
    for ch in dots:
        answer += dots_to_unicode( ch.replace('0d', '0') )
    return answer

def dots_to_unicode(dots: str) -> str:
    try:
        dots = int(dots)
    except:
        print(f"dots='{dots}' can't be converted to an int")
        return ''
    answer = 0
    while dots > 0:
        digit = dots % 10
        dots = (dots-digit)//10
        answer += pow(2, digit-1)
    return chr(0x2800+answer)

convert_to_single_line("cmu-chars.txt", "out")