#!/usr/bin/env python3
from argparse import ArgumentParser
import os
from subprocess import Popen, PIPE
from logging import getLogger

FILTER_CMDLINE = ["peco"]  # ["fzf"] is also fine
BROWSER_CMDLINE = ["firefox"]

logger = getLogger()


def get_urls(folder: str):
    fmt = "{Folder}\t{Tag}\t{Title}\t{Url}"
    mxb_list = Popen(
        ["mxb", "list", "--format", fmt, folder],
        stdout=PIPE,
    )
    filter_cmd = Popen(FILTER_CMDLINE, stdin=mxb_list.stdout, stdout=PIPE)

    logger.debug("running...")
    output = filter_cmd.communicate()[0].decode("utf8")
    logger.debug("got output!")
    for line in output.split("\n"):
        url = line.split("\t")[-1]
        if url:
            yield url


def get_parser():
    p = ArgumentParser()
    p.add_argument("--folder", default="")
    p.add_argument("--action", choices=["open", "echo"], default="open")
    return p


def main():
    args = get_parser().parse_args()

    urls = get_urls(args.folder)
    logger.debug("URLs= %s", urls)
    if not urls:
        return

    for u in urls:
        if args.action == "open":
            cmd = BROWSER_CMDLINE + [u]
            Popen(cmd, preexec_fn=os.setpgrp)
        elif args.action == "echo":
            logger.debug(u)


if __name__ == "__main__":
    main()