#!/usr/bin/python3.12

# Copyright 2024 Banana and contributors of https://github.com/portagefilelist
# 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 2 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, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

# standard library
import sys
import os
import argparse

# external library
# portage api: sys-apps/portage
import portage

# pfl module
import pfl.pfl

VERSION = '3.5.3'
ALLOWED_REPOS = ['gentoo', 'guru']

parser = argparse.ArgumentParser(description='This is the PFL upload script. \
The purpose of this script is to collect the file names (not the content) of \
all installed packages from the Gentoo repo and upload them to \
portagefilelist.de. After some time your uploaded data will be imported into a \
searchable database. Thus you will provide a way for other people to find a \
package which contains a specific file/binary. Please visit \
https://www.portagefilelist.de for further information.', add_help=False, allow_abbrev=False)

parser.add_argument('-p', '--pretend', action='store_true', help='Collect data only and do not upload or change \
the last run value.')
parser.add_argument('-a', '--atom', action='store', help='Update only for given atom.')
parser.add_argument('-r', '--repo', action='store', help='Update only for given repository: '+'|'.join(ALLOWED_REPOS))
parser.add_argument('-h', '--help', action='help', help='Show this help message and exit.')
parser.add_argument('-v', '--version', action='version', version='pfl ' + VERSION, help='Show version number and exit.')
args = parser.parse_args()

if args.pretend:
    print('Pretend mode. Data will be build and left to view. Nothing will be uploaded.')

# options needed to run()
options = {
    'onlyRepo': '',
    'onlyPackage': '',
    'pretend': args.pretend
}

if args.repo:
    if args.repo in ALLOWED_REPOS:
        print('Collect data only from repository: "%s"' % args.repo)
        options['onlyRepo'] = args.repo
    else:
        print('Invalid repo given. Valid values are: '+'|'.join(ALLOWED_REPOS))
        exit()

# if only one specific package should be updated, check if the syntax is correct
# and a valid installed one
_onlyPackage = ''
if args.atom:
    if portage.dep.isvalidatom(args.atom) and portage.dep.isspecific(args.atom):
        options['onlyPackage'] = portage.dep.dep_getcpv(args.atom)
    else:
        print('Invalid package atom provided. Use something like =category/package-1.23')
        exit()

def main():
    options['stdout'] = True
    ret, out = pfl.pfl.run(options)
    sys.stdout.write(out)
    return ret

# run if not imported
if __name__ == '__main__':
    sys.exit(main())