#!/usr/bin/env bash

usage(){
    echo "usage: ./mailserver.sh [help] [install]"
    echo "help: show this help"
    echo "install: install exim/courier mail server"
}

RED='\033[91m'
STD='\033[0m'

[[ $# -lt 1 ]] && usage
[[ $1 == "help" ]] && usage
[[ $EUID -ne 0 ]] && echo -e "${RED}This script must be run as root${STD}" && exit 1

install_exim() {
    echo "lol"
}

install_spamassassin() {
    echo "lol"
}

install_clamav() {
    echo "lol"
}

install_mailserver() {
    echo "Do you want to install extra software ?"
    echo "1. None"
    echo "2. SpamAssassin (antispam)"
    echo "3. ClamAV (antivirus)"
    echo "4. Both SpamAssassin and ClamAV"
    echo "5. Exit"
    read -p "Enter choice [1 - 4] " choice
    case $choice in
        1) clear && install_exim ;;
        2) clear && install_exim && install_spamassassin ;;
        3) clear && install_exim && install_clamav ;;
        4) clear && install_exim && install_spamassassin && install_clamav ;;
        5) exit ;;
        *) clear && echo -e "${RED}Please enter a valid input${STD}" && install_mailserver ;;
    esac
}

clear && [[ $1 == "install" ]] && install_mailserver