#! /bin/bash -e

#####################################################################
#                                                                   #
#               Compiles Faust programs to PortAudio and QT         #
#               (c) Grame, 2009-2019                                #
#                                                                   #
#####################################################################

. faustpath
. faustoptflags
. usage.sh

CXXFLAGS+=" $MYGCCFLAGS"  # So that additional CXXFLAGS can be used

ARCHFILE=$FAUSTARCH/pa-qt.cpp

if [[ $(uname -s) != Darwin ]]; then
	LFLAGS+="-no-pie"
fi

#-------------------------------------------------------------------------------
# Search for qmake or qmake-qt4

QMAKE=$(which qmake-qt4 || echo qmake)

#-------------------------------------------------------------------
# Analyze command arguments :
# faust options                 -> OPTIONS
# existing *.dsp files          -> FILES
#

#PHASE 2 : dispatch command arguments

QTDEFS=""
OSCLIB=""
POLY="POLY"
DEPLOY="yes"
EFFECT=""
NVOICES=-1

while [ $1 ]
do
    p=$1

    if [ $p = "-help" ] || [ $p = "-h" ]; then
        usage faust2paqt "[options] [Faust options] <file.dsp>"
        require PortAudio, Qt
        echo "Compiles Faust programs to  PortAudio and Qt"
        option
        options -httpd -osc -midi -qrcode
        option "-nvoices <num>"
        option "-effect <effect.dsp>"
        option "-effect auto"
        option -nodeploy
        option "Faust options"
        exit
    fi
    
    if [ $p = "-nvoices" ]; then
        shift
        NVOICES=$1
        if [ $NVOICES -ge 0 ]; then
            CXXFLAGS="$CXXFLAGS -DNVOICES=$NVOICES"
        fi
    elif [ $p = "-effect" ]; then
        POLYDEFS="DEFINES += POLY2"
        POLY="POLY2"
        shift
        EFFECT=$1
    elif [ $p = "-midi" ]; then
        MIDIDEFS="DEFINES += MIDICTRL"
    elif [ $p = "-osc" ]; then
		 OSCDEFS="DEFINES += OSCCTRL"
		 OSCLIBS="-lOSCFaust"
    elif [ "$p" = "-httpd" ]; then
		HTTPDEFS="DEFINES += HTTPCTRL"
		HTTPLIBS="-lHTTPDFaust -lmicrohttpd"
	elif [ $p = "-nodeploy" ]; then
		DEPLOY="no"
	elif [ "$p" = "-qrcode" ]; then # requires -httpd
		QRDEFS="DEFINES += QRCODECTRL"
	elif [ ${p:0:1} = "-" ]; then
	    OPTIONS="$OPTIONS $p"
	elif [[ -f "$p" ]] && [ ${p: -4} == ".dsp" ]; then
	    FILES="$FILES $p"
	else
	    OPTIONS="$OPTIONS $p"        
	fi

shift

done

#-------------------------------------------------------------------
# Check darwin specifics
#
if [[ $(uname) == Darwin ]]; then
    SPEC="-spec macx-g++"
    EXT=".app"
	ARCHLIB="-L/usr/local/lib -L/opt/local/lib -lportaudio -framework CoreAudio -framework AudioUnit -framework CoreServices -framework CoreMIDI -framework CoreFoundation"
else
	ARCHLIB="-L/usr/local/lib -L/opt/local/lib -lportaudio -lasound"
fi

#-------------------------------------------------------------------
# compile the *.dsp files
#
for p in $FILES; do

    CUR=$(pwd)
    f=$(basename "$p")
	SRCDIR=$(dirname "$p")

    # creates a temporary dir 
    TDR=$(mktemp -d faust.XXXXXX)
	TMP="$TDR/${f%.dsp}"
    mkdir "$TMP"

    # compile faust to c++
    if [ $POLY = "POLY2" ]; then
        if [ $EFFECT = "auto" ]; then
            cat > $TMP/effect.dsp << EndOfCode
            adapt(1,1) = _;
            adapt(2,2) = _,_;
            adapt(1,2) = _ <: _,_;
            adapt(2,1) = _,_ :> _;
            adaptor(F,G) = adapt(outputs(F),inputs(G));
            process = adaptor(library("$SRCDIR/$f").process, library("$SRCDIR/$f").effect) : library("$SRCDIR/$f").effect;
EndOfCode
            faust -i -json -a $ARCHFILE $OPTIONS "$SRCDIR/$f" -o "$TMP/${f%.dsp}_tmp.cpp" || exit
            faust -i -cn effect -a minimal-effect.cpp "$TMP/effect.dsp" -o "$TMP/effect.h" || exit
            rm "$TMP/effect.dsp"
        else
            faust -i -json -a $ARCHFILE $OPTIONS "$SRCDIR/$f" -o "$TMP/${f%.dsp}_tmp.cpp" || exit
            faust -i -cn effect -a minimal-effect.cpp "$SRCDIR/$EFFECT" -o "$TMP/effect.h" || exit
        fi
    else
        faust -i -json -a $ARCHFILE $OPTIONS "$SRCDIR/$f" -o "$TMP/${f%.dsp}_tmp.cpp" || exit
    fi

    # compile c++ to binary
    (
	    cd "$TMP"
        $QMAKE -project "QT += widgets printsupport" "INCLUDEPATH+=$CUR" "INCLUDEPATH+=$FAUSTINC /opt/local/include" "QMAKE_CXXFLAGS= $CXXFLAGS -Wno-unused-parameter $FAUSTTOOLSFLAGS" "QMAKE_INFO_PLIST=$FAUSTARCH/Info.plist" "QMAKE_LFLAGS=$LFLAGS" "LIBS+=$ARCHLIB $OSCLIBS $HTTPLIBS" "HEADERS+=$FAUSTINC/faust/gui/QTUI.h" "RESOURCES+=$FAUSTINC/faust/gui/Styles/Grey.qrc" "$OSCDEFS" "$HTTPDEFS" "$QRDEFS" "$POLYDEFS" "$MIDIDEFS"
	    $QMAKE $SPEC QMAKE_CFLAGS_ISYSTEM=-I
        make
    ) > /dev/null || exit
    
    # on Mac add the QT libraries to the bundle
    if [[ $(uname) == Darwin ]]; then
        if [ "$DEPLOY" = "yes" ]; then
            macdeployqt "$TMP/${f%.dsp}$EXT" || exit
        fi
    fi

    rm -rf "$SRCDIR/${f%.dsp}$EXT"
    cp -r "$TMP/${f%.dsp}$EXT" "$SRCDIR/${f%.dsp}$EXT"
    rm -rf "$TDR"
    rm $p.json

    # collect binary file name for FaustGIDE
    BINARIES="$BINARIES$SRCDIR/${f%.dsp}$EXT;"
done

echo $BINARIES
