import os
import logging
import argparse
import datetime

from feedgen.feed import FeedGenerator


def main(args):
    print(f'feed-md started with arguments {args}')
    all_md_files = [os.path.join(dp, f) for dp, dn, filenames in os.walk(args.dir) for f in filenames if os.path.splitext(f)[1].lower() == args.format]
    fg = FeedGenerator()
    fg.title("altinel.dev Notes")
    fg.link(href="https://altinel.dev/notes/", rel="alternate")
    fg.description("This page is my notebook. It has no specific content characteristic.")
    fg.language('en')
    for post in sorted(all_md_files, key=os.path.getmtime):
        if "Template" not in post and "First Page" not in post:
            fe = fg.add_entry()
            dir_name, file_name = os.path.split(post)
            full_file = f"{dir_name.split('/')[-1]}/{file_name}"
            title = file_name.split(".")[0]
            fe.title(title)
            id = f"https://altinel.dev/notes/{dir_name.split('/')[-1]}/#{title.replace(' ', '%20')}.md"
            fe.id(id)
            fe.link(href=id)
            fe.description(f"Read {id}")
    fg.rss_file(os.path.join(args.outdir, 'rss.xml'))


if __name__ == "__main__":
    parser = argparse.ArgumentParser()
    parser.add_argument('--dir', type=str)
    parser.add_argument('--format', type=str, default='.md')
    parser.add_argument('--outdir', type=str, default='./')
    args, unknown_args = parser.parse_known_args()

    main(args)