#!/usr/bin/env python3
# -*- coding: utf-8 -*-

###################
#    This file may display the license and copyright of WebScripts
#    Copyright (C) 2021, 2022, 2023  Maurice Lambert

#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.

#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.

#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <https://www.gnu.org/licenses/>.
###################

"""
This tool runs CLI scripts and displays output in a Web Interface.

This file may display the license and copyright of WebScripts.
"""

__version__ = "0.0.3"
__author__ = "Maurice Lambert"
__author_email__ = "mauricelambert434@gmail.com"
__maintainer__ = "Maurice Lambert"
__maintainer_email__ = "mauricelambert434@gmail.com"
__description__ = """
This tool runs CLI scripts and displays output in a Web Interface.

This file may display the license and copyright of WebScripts.
"""
__license__ = "GPL-3.0 License"
__url__ = "https://github.com/mauricelambert/WebScripts"

copyright = """
WebScripts  Copyright (C) 2021, 2022, 2023  Maurice Lambert
This program comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions.
"""
license = __license__
__copyright__ = copyright

__all__ = []

from sys import exit, argv, stderr
from os.path import dirname, join
from os import chdir


def main() -> int:
    """
    Main function to display license and copyright of WebScripts.
    """

    chdir(join(dirname(__file__), "..", ".."))

    if len(argv) < 2:
        print(
            "USAGE: show_license.py [part required string]",
            file=stderr,
        )
        return 1

    remove = argv.remove

    if "copyright" in argv:
        remove("copyright")
        print(copyright)

    if "license" in argv:
        remove("license")
        with open("LICENSE.txt") as license:
            print(license.read())

    if "codeheader" in argv:
        remove("codeheader")
        print(
            """    Copyright (C) 2021, 2022, 2023  Maurice Lambert

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.
            """
        )

    if len(argv) > 1:
        print(
            f"ERROR: unexpected arguments {argv[1:]}",
            file=stderr,
        )
        return 2

    return 0


if __name__ == "__main__":
    exit(main())
