import os
import itertools


def get_valid_filename(question, extension = ''):
    filename = input(question)
    filename = os.path.expanduser(filename)
    if not (filename.endswith(extension) and os.path.exists(filename)):
        print('Please, enter valid filename')
        return get_valid_filename(question, extension)
    return filename


def parse_color_from_integers(a, b, c):
    return f'#{str(hex(a))[2:]}{str(hex(b))[2:]}{str(hex(c))[2:]}'


def parse_color_from_section(cell):
    # Parsing string format Color=R,G,B
    ints = cell.split(',')
    ints[0] = ints[0][6:]
    return parse_color_from_integers(*map(int, ints))


def main():
    f = open(get_valid_filename('Enter path to Konsole filescheme: ', '.colorscheme'), 'r')

    data = [line.strip() for line in f.readlines()]
    sections = [list(y) for x, y in itertools.groupby(data, lambda z: z == '') if not x]
    
    out = open('scheme.conf', 'w')
    for section in sections:
        desc = section[0][1:-1]
        out.write(f'# importing {desc}\n')
        
        if desc == 'Background':
            out.write(f'background {parse_color_from_section(section[1])}\n')
        elif desc == 'Foreground':
            out.write(f'foreground {parse_color_from_section(section[1])}\n')
        elif desc.startswith('Color'):
            mod = 0
            if desc.endswith('Intense'):
                mod = 1
            if desc.endswith('Faint'):
                mod = 2
            color = int(desc[5])
            out.write(f'color{color + 8 * mod} {parse_color_from_section(section[1])}\n')

    out.close()
    f.close()


if __name__ == '__main__':
    main()