#!/usr/bin/env	bash

upgrade_options=''
args=$(getopt -a -o hy --long opts:,help -- "$@")
version='v1.1'

update_database() {
    echo 'Updating database...'
    apt update
}

upgrade_packages() {
    echo 'Upgrading packages...'
    apt upgrade $upgrade_options
}

help_page() {
    show_version
    echo "Usage:"
    echo -e "\tapt-up [-h/--help] [-y/--yes] [--opts $upgrade_options]"
    echo "Description:"
    echo -e "\t-h/--help diaplays the help page of apt-up."
    echo -e "\t-y/--yes automates the upgrade progress."
    echo -e '\t--opts transports $upgrade_options to apt.'
    exit -1
}

show_version() {
    echo -e "apt-up ${version}\n"
}

update() {
    update_database
    upgrade_packages
    exit 0
}

eval set -- "${args}"

while :; do
    case $1 in
    -y | --yes)
        upgrade_options+='-y '
        update
        ;;
    -h | --help)
        help_page
        ;;
    --opts)
        upgrade_options+=$2
        update
        shift
        ;;
    *)
        update
        ;;
    esac
    shift
done