#!/bin/bash

_full_pyver_=$(python3 -V 2>&1 | grep -Po '(?<=Python )(.+)')
_pyver_=${_full_pyver_%%.*}

if [ "x$_pyver_" = "x" ]  ; then
    echo "" >&2
    echo "Failed to establish the full version of python" >&2
    echo "Defaulting to version 3" >&2
    _pyver_=3
fi
    

if [ "x$GEXT_STRUCTURED_AUDIO" = "x" ] ; then
  source ./setup.bash
fi

if [ ! -f "$GEXT_STRUCTURED_AUDIO_INSTALLED/virtualenv-python$_pyver_/bin/activate" ] ; then
    echo "" >&2
    echo "!!!!" >&2
    echo "! Failed to find:" >&2
    echo "!   $GEXT_STRUCTURED_AUDIO_INSTALLED/virtualenv-python$_pyver_/bin/activate" >&2
    echo "!" >&2
    echo "! Have you run:" >&2
    echo "!   ./CREATE-VEN-PYTHON$_pyver_.sh" >&2
    echo "!" >&2
    echo "! Followed by:" >&2
    echo "!   source $GEXT_STRUCTURED_AUDIO_INSTALLED/virtualenv-python$_pyver_/bin/activate" >&2
    echo "!!!!" >&2
    echo "" >&2

    # Uncomment the following if you want to stop everything immediately
    #
    # While it is commented out, it means the issue is flagged, but 
    # allows for the circumstance that the developer is (for some reason)
    # needing to make use of a version of python outside of this extension's area
    # 
    # return 1

elif [ "$VIRTUAL_ENV" != "$GEXT_STRUCTURED_AUDIO_INSTALLED/virtualenv-python$_pyver_" ] ; then
    # A python virtual env is in play, but not the one for Python v$_pyver_ in this extension's area
    echo ""
    echo "****"
    echo "* Warning: VIRTUAL_ENV points to different location to the one in $GEXT_STRUCTURED_AUDIO"
    echo "*   VIRTUAL_ENV      = $VIRTUAL_ENV"
    echo "*   Extension's python$_pyver_ = $GEXT_STRUCTURED_AUDIO_INSTALLED/virtualenv-python$_pyver_"
    echo "****"
    echo ""
fi

export GEXT_STRUCTURED_AUDIO_DEVEL=1