#!/bin/python3
import argparse
import columnize

from utils import *
from rpn import ops, rpn


def parser():
    parser = argparse.ArgumentParser()
    parser.add_argument("num", type=str, nargs="*")

    args = parser.parse_args()
        
    return args


def handle_rpn(args):
    is_rpn = False
    for arg in args:
        if arg in ops:
            is_rpn = True
            break

    if is_rpn:
        results = rpn(args)
        print(f"RPN: {' '.join(args)}\nResult:\t{results[0]}\n")

        for i, step in enumerate(results[1]):
            print(f"{i}.\t{format_conversion(step[0], 16)} {step[1]}\n\t{format_conversion(step[2], 16)} =\n\t{format_conversion(step[3], 16)}\n")
      
        exit()


def handle_range_arg(arg):
    start, end = arg.split("..")
    start = num_conversion(start)
    end = num_conversion(end)
    return list(range(start, end))


def main():
    args = parser()

    if len(args.num):
        handle_rpn(args.num)

        for num in args.num:
            if ".." in num:
                num = handle_range_arg(num)

            if isinstance(num, list):
                print(columnize.columnize([format_number(n) for n in num], displaywidth=160))
            elif num not in ops:
                print("\t", format_conversion(num))
    else:
        print(columnize.columnize([f"{n:3}:{n:08b}:{n:02X}" for n in range(0xFF+1)]))
    

if __name__ == "__main__":
    main()