#!/bin/bash

set -e

PYTHON=$(which python3 2>/dev/null)

if [ ! -f ${PYTHON} ]; then
  PYTHON=python
fi

if [ "$1" = "--gdb" ]; then
  PYTHON="gdb --args $PYTHON"
fi

INSTALL_ARGS="--with-appname="${0}""

if [ -f "$(dirname ${0})/carla-utils.pc" ]; then
    cd "$(dirname ${0})/.."
    INSTALL_PREFIX="$(pwd)"
    INSTALL_FRONTENDDIR="${INSTALL_PREFIX}/source/frontend"
else
    INSTALL_PREFIX="X-PREFIX-X"
    INSTALL_FRONTENDDIR="${INSTALL_PREFIX}/share/carla"
    INSTALL_ARGS="${INSTALL_ARGS} --with-libprefix="${INSTALL_PREFIX}""
fi

if lsof -i:21337 > /dev/null; then
    echo "NOTICE: Backend already running"
else
    ${PYTHON} "${INSTALL_FRONTENDDIR}/carla" ${INSTALL_ARGS} --osc-gui=21337 "$@" --with-appname="carla-osc-dsp"
    echo "NOTICE: Backend was not running yet, start was triggered now"
fi

exec ${PYTHON} "${INSTALL_FRONTENDDIR}/carla-control" ${INSTALL_ARGS} osc.tcp://127.0.0.1:21337/Carla "$@"