#!/usr/bin/env python3

# Copyright (C) 2020-2024 Soleta Networks <opengnsys@soleta.eu>
#
# This program is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the
# Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.

from inspect import ismethod, getmembers

from cli.cli import OgCLI
import signal
import argparse
import json
import sys

def sigint_handler(signum, frame):
	print("User has pressed ctrl-C, interrupting...")
	sys.exit(1)

class CLI():
    def __init__(self):
        signal.signal(signal.SIGPIPE, signal.SIG_DFL)
        signal.signal(signal.SIGINT, sigint_handler)

        self.ogcli = OgCLI()

        parser = argparse.ArgumentParser(prog='ogcli')
        parser.add_argument('command', help='Subcommand to run', nargs='?',
                            choices=[attr for attr, _ in getmembers(self.ogcli, lambda x: ismethod(x))
                                     if not attr.startswith('_')])
        args = parser.parse_args(sys.argv[1:2])

        if args.command is None:
            print('Missing subcommand', file=sys.stderr)
            parser.print_help(file=sys.stderr)
            sys.exit(1)

        if not hasattr(self.ogcli, args.command):
            print('Invalid subcommand', file=sys.stderr)
            parser.print_help(file=sys.stderr)
            sys.exit(1)

        # Call the command with the same name.
        res = getattr(self.ogcli, args.command)(sys.argv[2:])
        sys.exit(res)


if __name__ == "__main__":
    CLI()