#!/usr/bin/python
import argparse


def split_and_flat(input_string):
    if "\n" in input_string:
        _without_newlines = input_string.split("\n")
        _without_empty = filter(lambda x: x != "", _without_newlines)
        input_string = ",".join(_without_empty)
    comma_split = input_string.split(",")
    flat_list = []
    for item in comma_split:
        dash_split = item.split("-")
        flat_list.extend([value.strip().replace("\n", "") for value in dash_split])
    return ",".join(flat_list)


def unique_combined_list(*inputs):
    combined_list = [
        item.strip().title() for input_list in inputs for item in input_list.split(",")
    ]
    final_list = []
    for name in combined_list:
        parts = name.split()
        if len(parts) == 2:
            first, last = parts
            reversed_name = f"{last} {first}"
            if name not in final_list and reversed_name not in final_list:
                final_list.append(name)
        else:
            if name not in final_list:
                final_list.append(name)
    sorted_list = sorted(final_list)
    output = ",".join(sorted_list)
    return output


def main():
    parser = argparse.ArgumentParser(
        description="Combine multiple comma-separated lists into one unique sorted list."
    )
    parser.add_argument("lists", nargs="+", type=str, help="Comma-separated lists.")
    args = parser.parse_args()
    if len(args.lists) == 1:
        args.lists.append(args.lists[0])

    # Process each list with split_and_flat if it contains a dash
    processed_lists = [split_and_flat(lst) if "-" in lst else lst for lst in args.lists]

    result = unique_combined_list(*processed_lists)
    print(result)


if __name__ == "__main__":
    main()