#!/bin/sh
set -e
cd "$(dirname "$(realpath "$0")")"

alias log='echo [build.sh]'


ETH_DEV=$(route | grep '^default' | grep -o '[^ ]*$')
VM_NAME="epitls_build"


log "creating iso"
    sudo rm -fr tmp/*
    mkdir -p tmp output
    sudo mkarchiso -v -w $PWD/tmp/wdir -r -o $PWD/output $PWD/profile
    rm -f                     output/install.iso
    mv output/archlinux-*.iso output/install.iso


if VBoxManage showvminfo $VM_NAME 2> /dev/null
then log "disposing old VM"
    VBoxManage unregistervm $VM_NAME --delete-all
fi


log "creating VM"
    VBoxManage createvm --name=$VM_NAME --ostype=ArchLinux_64 --register
    VBoxManage modifyvm        $VM_NAME --cpus=4 --memory=4096 --vram=12 --firmware=efi
    VBoxManage modifyvm        $VM_NAME --nic1=bridged --bridgeadapter1=$ETH_DEV
    VBoxManage createhd --filename=$PWD/tmp/drive.vdi --size=$((1024 * 20)) --variant=Standard
    VBoxManage storagectl      $VM_NAME       --name=SATA --add sata --bootable on
    VBoxManage storageattach   $VM_NAME --storagectl=SATA --port=0 --device=0 --type=hdd      --medium=$PWD/tmp/drive.vdi
    VBoxManage storagectl      $VM_NAME       --name=IDE  --add ide
    VBoxManage storageattach   $VM_NAME --storagectl=IDE  --port=0 --device=0 --type=dvddrive --medium=$PWD/output/install.iso


log "running VM with iso"
    virtualboxvm --startvm $VM_NAME --dvd $PWD/output/install.iso
    VBoxManage storageattach   $VM_NAME --storagectl=IDE  --port=0 --device=0 --medium=none


log "exporting VM"
    rm -f                               $PWD/output/epitls.ova
    VBoxManage export $VM_NAME --output=$PWD/output/epitls.ova --vsys=0 --vmname=epitls --description="VM pour le développement à EPITA Toulouse"


log "disposing VM"
    VBoxManage unregistervm $VM_NAME --delete-all