#!/usr/bin/env python3
#
# Copyright (C) 2016-2020 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# 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 <http://www.gnu.org/licenses/>.
#
# Purpose:
#    Displays image version and system information.
#    Used by the "run show version" command.

import sys
import argparse
import json
import jinja2

import vyos.version
import vyos.limericks

from vyos.util import call

parser = argparse.ArgumentParser()
parser.add_argument("-a", "--all", action="store_true", help="Include individual package versions")
parser.add_argument("-f", "--funny", action="store_true", help="Add something funny to the output")
parser.add_argument("-j", "--json", action="store_true", help="Produce JSON output")

version_output_tmpl = """
Version:          VyOS {{version}}
Release Train:    {{release_train}}

Built by:         {{built_by}}
Built on:         {{built_on}}
Build UUID:       {{build_uuid}}
Build Commit ID:  {{build_git}}

Architecture:     {{system_arch}}
Boot via:         {{boot_via}}
System type:      {{system_type}}
{% if cpu %}

{% if 'vendor' in cpu %}CPU Vendor:       {{cpu.vendor}}{% endif %}
{% if 'model' in cpu %}Model:            {{cpu.model}}{% endif %}
{% if 'cpus' in cpu %}Total CPUs:       {{cpu.cpus}}{% endif %}
{% if 'sockets' in cpu %}Sockets:          {{cpu.sockets}}{% endif %}
{% if 'cores' in cpu %}Cores:            {{cpu.cores}}{% endif %}
{% if 'threads' in cpu %}Threads:          {{cpu.threads}}{% endif %}
{% if 'mhz' in cpu %}Current MHz:      {{cpu.mhz}}{% endif %}
{% if 'mhz_min' in cpu %}Minimum MHz:      {{cpu.mhz_min}}{% endif %}
{% if 'mhz_max' in cpu %}Maximum MHz:      {{cpu.mhz_max}}{% endif %}
{% endif %}

Hardware vendor:  {{hardware_vendor}}
Hardware model:   {{hardware_model}}
Hardware S/N:     {{hardware_serial}}
Hardware UUID:    {{hardware_uuid}}

Copyright:        VyOS maintainers and contributors
"""

if __name__ == '__main__':
    args = parser.parse_args()

    version_data = vyos.version.get_full_version_data()

    if args.json:
        print(json.dumps(version_data))
        sys.exit(0)

    tmpl = jinja2.Template(version_output_tmpl)
    print(tmpl.render(version_data))

    #print(version_output_tmpl.format(**version_data).strip())

    if args.all:
        print("Package versions:")
        call("dpkg -l")

    if args.funny:
        print(vyos.limericks.get_random())