import argparse
from typing import List
import pathlib


def rtl_manifest_main():
    parser = argparse.ArgumentParser(
                    prog='rtl-manifest',
                    description='Read in sources.list files and return a string of all source files',
                    epilog='Made by Byron Lathi')

    parser.add_argument("source")

    args = parser.parse_args()
    files = read_sources(args.source)

    for file in files:
        print(file, end = " ")

    pass

def read_sources(source_file: str) -> List[str]:
    files = []
    base_dir = pathlib.Path(source_file).parent


    with open(source_file, "r") as file:
        for line in file:
            path = line.strip()
            if (path.endswith("sources.list")):
                new_path = pathlib.Path(base_dir) / path
                for recursive_path in read_sources(new_path):
                    files.append(recursive_path)
            else:
                abs_path = pathlib.Path(base_dir / path).absolute()
                files.append(str(abs_path))

    return files