#!/bin/sh
# Script which control the network. Make the bridge, veth, dummy, brx alone without any help.

version="0.0.2"
usage="USAGE
    $(basename $0) [PARAMETTER] [COMMAND NAME]

DESCRIPTION
    Setup the bridge interfaces for a vm.

    Take it's config files from:
    - \$XDG_CONFIG_HOME/vm_start/conf

    In case \$XDG_CONFIG_HOME doesn't exists
    - ~/.config/vm_start/conf

PARAMETTER
    -h, --help              Print this help message and quit
    -V, --version           Print the installed version of $(basename $0) and quit
    -v, --verbose           Print more output for all actions.
    -c <path/to/conf>, --configdir </path/to/conf>
                            Override the default conf dir by this this one. Must be an absolute path.

NAME
    Is the name of the vm to open

COMMAND
    -a, --active            Active the internet network of the vm
    -d, --desactive         desactive the internet network of the vm
    -dA, --desactive-all    desactive all vms previously loaded
    -l, --list              list all vms accessibles.

"

print_usage() {
    echo "${usage}"
}

print_version() {
    echo "$(basename $0) v.${version}"
}

set_verbose() {
    verbose=1
}

# first, test if there is help, version, or verbose args.
for i in "$@"; do
    case "$i" in
        "-h" | "--help")
            print_usage
            exit 0
            ;;
        "-V" | "--version")
            print_version
            exit 0
            ;;
        "-v" | "--verbose")
            set_verbose
            ;;
    esac
done

(( verbose )) && echo "verbose is set"