#!/usr/bin/env bash

HOSTNAME="aca-lab"
VMNAME="aca-lab"
HOST_PORT=3022
SSH_PORT=22

function cleanup {
    # Poweroff the machine on exit or failure
    VBoxManage controlvm "$VMNAME" poweroff
}

trap cleanup EXIT SIGINT SIGTERM

function config {
    # Setup SSH port forwarding if not setup
    VBoxManage showvminfo "$VMNAME" | grep -q \
        "Rule.*host\ port\ = $HOST_PORT.*guest\ port = $SSH_PORT";
    local port_unset=$?;
    echo "Port: $port_unset"
    if [[ $port_unset -eq 1 ]]; then
        echo "Setting SSH port forwarding"
        echo "VBoxManage modifyvm \"$VMNAME\" --natpf1 \"ssh,tcp,,$HOST_PORT,,$SSH_PORT\""
        VBoxManage modifyvm "$VMNAME" --natpf1 "ssh,tcp,,$HOST_PORT,,$SSH_PORT"
    fi
}

function init {
    # Start the VM
    VBoxManage startvm "$VMNAME" --type headless;
    local status=$?
    if [ $status -ne 0 ]; then
        echo "Failed to start the machine" >&2
        exit $status
    else
        echo "Booting up, this might take a while..."
    fi

}

config;
init;
ssh $HOSTNAME