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#@include core
ncdc_user=${ncdc_user:-hooker}
ncdc_bin=${ncdc_bin:-/usr/bin/ncdc}

ncdc_config(){
    # maybe we want to use the running ncdc process and communicate via tmux send-keys ?
   (sleep 1;cat;printf "/quit\n") | sudo -u $ncdc_user "$ncdc_bin"
}

ncdc_configure_netshare(){
    : "${1?provide path to share}"
    rnd=`hexdump -n 2 -e '/2 "%u"' /dev/urandom`
    rnd_name="${2:-share_$rnd}"
    info "adding share"
    
    (echo "/share $rnd_name $1") | ncdc_config
}

ncdc_configure_nick(){
    nick=${1?nick must be provided}
    info "configuring DC Nick: $nick"
    echo "/nick $nick" | ncdc_config
}
ncdc_configure_hub(){
    rnd=`hexdump -n 2 -e '/2 "%u"' /dev/urandom`
    hubname="hub_$rnd"
    hub=${1?adcs://localhost:2781}
    info "configuring DC Hub: $hub, activating autconnect"
    info "setting active as true"
    (echo "/open ${hubname} ${hub}" ;
    echo "/hset autoconnect true") | ncdc_config
}


ncdc_install(){
install_dir="$(dirname "${ncdc_bin}")"
info "installing ncdc to $install_dir"
curl http://dev.yorhel.nl/download/ncdc-linux-x86_64-1.19.tar.gz | tar xz -C "$install_dir"
useradd -m $ncdc_user ||:
}

ncdc_autostart(){
# only systemd
# punani install tmux
cat > /etc/systemd/system/ncdc@.service <<EOF
[Unit]
Description=ncdc
Requires=network.target local-fs.target

[Service]
Type=oneshot
RemainAfterExit=yes
KillMode=none
User=%I
ExecStart=/usr/bin/tmux new-session -s dcpp -n ncdc -d ncdc
ExecStop=/usr/bin/tmux send-keys -t dcpp:ncdc "/quit" C-m

[Install]
WantedBy=multi-user.target
EOF
systemctl enable ncdc@$ncdc_user
}

# 20gig in bytes
min_netshare_size=${min_netshare_size:-20000000000}
get_disksize(){
fdisk -l ${1?provide disk} | grep '^Disk ' | cut -d\  -f 5
}

prepare_netshares(){
    count=0
    fdisk -l  | grep '^Disk '  | egrep '(/dev/sd|/dev/hd)' | cut -d\  -f 2 | tr -d : | while read disk;do
        size=$(get_disksize $disk)
        if test "$size" -gt "$min_netshare_size";
        then
            info "using $disk with $size bytes"
            dd if=/dev/zero of=$disk bs=1M count=1 >/dev/null
            sleep 1
            (printf "o\nn\np\n\n\n\nw\n\n") |fdisk $disk >/dev/null ||:
            #partprobe $disk
            mkfs.btrfs -f ${disk}1 >/dev/null
            uuid="$(blkid ${disk}1 -o value | head -n 1)"
            mountpoint="/media/vag${count}"
            mkdir -p "$mountpoint"
            echo "UUID=$uuid  $mountpoint btrfs rw,relatime,space_cache 0 0" >> /etc/fstab
            echo "$mountpoint"
            : $((count++))
        else
            info "skipping $disk"
        fi
    done
}