#!/bin/bash

# Variables
declare -a make_ssh_bridge open_vnc_session
ssh_fwd=ssh-fwd
vncviewer=wlvncc
localhost=localhost

# Arguments
ssh_host="$1"
local_port="${2:-9900}"
distant_port="${3:-5900}"
target="$4"

# Commands building
# Make SSH bridge
make_ssh_bridge+=(
    "$ssh_fwd"
    "$ssh_host"
    "$local_port"
    "$distant_port"
    "$target"
)

# Open VNC session
open_vnc_session+=(
    "$vncviewer"
    "${localhost}"
    "${local_port}"
)

# Execution
set -xe
"${make_ssh_bridge[@]}"
"${open_vnc_session[@]}"