#! /bin/bash -e

#####################################################################
#                                                                   #
#               Compiles Faust programs to Max externals            #
#               using simple precision samples                      #
#               (c) Grame, 2012-2019                                #
#                                                                   #
#####################################################################

. faustpath
. faustoptflags
. usage.sh

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

OSCDEFS=""
OSCLIB=""
NVOICES=-1
EFFECT=""
SOUNDFILE="0"
SOUNDFILEDEFS=""
SOUNDFILELIBS=""
US="0"
DS="0"
FILTER="0"

# path to max SDK
# MAXSDK is declared in faustpath
MAXINC=$MAXSDK/max-includes
MSPINC=$MAXSDK/msp-includes

createInfoPList() {
(
    echo '<?xml version="1.0" encoding="UTF-8"?>'
    echo '<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">'
    echo '<plist version="1.0">'
    echo '<dict>'
    echo '  <key>CFBundleDevelopmentRegion</key>'
    echo '  <string>English</string>'
    echo '  <key>CFBundleExecutable</key>'
    echo "    <string>$1</string>"
    echo '  <key>CFBundleIconFile</key>'
    echo '  <string></string>'
    echo '  <key>CFBundleIdentifier</key>'
    echo "  <string>com.grame.$1</string>"
    echo '  <key>CFBundleInfoDictionaryVersion</key>'
    echo '  <string>1.0.0</string>'
    echo '  <key>CFBundlePackageType</key>'
    echo '  <string>iLaX</string>'
    echo '  <key>CFBundleSignature</key>'
    echo '  <string>max2</string>'
    echo '  <key>CFBundleVersion</key>'
    echo '  <string>1.0.0</string>'
    echo '  <key>CFBundleShortVersionString</key>'
    echo '  <string>1.0.0</string>'
    echo '  <key>CFBundleLongVersionString</key>'
    echo "  <string>$1 1.0.0, Copyright 2012-2024 Grame</string>"
    echo '  <key>CSResourcesFileMapped</key>'
    echo '  <true/>'
    echo '</dict>'
    echo '</plist>'
    ) > "$2"
}

#-------------------------------------------------------------------
# Analyze command arguments :
# faust options                 -> OPTIONS
# if -omp : -openmp or -fopenmp -> OPENMP
# existing *.dsp files          -> FILES
#

# dispatch command arguments
while [ $1 ]
do
    p=$1

    if [ $p = "-help" ] || [ $p = "-h" ]; then
        usage faust2msp "[options] [Faust options] <file.dsp>"
        require Max/MSP SDK
        echo "Compiles Faust programs to Max6 externals using simple precision samples"
        option
        options -osc -midi -soundfile
        option "-nvoices <num>"
        option "-us <factor>"
        option "-ds <factor>"
        option "-filter <filter>"
        option "-effect <effect.dsp>"
        option -native "to compile for the native CPU (otherwise the 'generic' mode is used by default)"
        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="-DPOLY2"
        shift
    EFFECT=$1
    elif [ $p = "-midi" ]; then
        MIDIDEFS="-DMIDICTRL"
    elif [ $p = "-soundfile" ]; then
        SOUNDFILE="1"
        SOUNDFILEDEFS="-DSOUNDFILE"
        SOUNDFILELIBS=`pkg-config --cflags --static --libs sndfile`
    elif [ $p = "-osc" ]; then
        OSCDEFS="-DOSCCTRL"
        OSCLIBS="-lOSCFaust"
    elif [ $p = "-native" ]; then
        CXXFLAGS=$MYGCCFLAGS
    elif [ $p = "-us" ]; then
        shift
        US=$1
    elif [ $p = "-ds" ]; then
        shift
        DS=$1
    elif [ $p = "-filter" ]; then
        shift
        FILTER=$1
    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

#customize CXXFLAGS

CXXFLAGS+=" -fbracket-depth=512"

#-------------------------------------------------------------------
# Check darwin specifics
#
if [[ $(uname) == Darwin ]]; then
    EXT="~.mxo"
fi

#-------------------------------------------------------------------
# compile the *.dsp files
#
PATH=$PATH:/usr/local/bin

for p in $FILES; do

    CC=g++

    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 [ "$EFFECT" = "" ]; then
        faust -i -cn ${f%.dsp} -uim -json -a $FAUSTARCH/max-msp/max-msp.cpp $OPTIONS "$SRCDIR/$f" -o "$TMP/${f%.dsp}.cpp" || exit
    else
        faust -i -cn ${f%.dsp} -uim -json -a $FAUSTARCH/max-msp/max-msp.cpp $OPTIONS "$SRCDIR/$f" -o "$TMP/${f%.dsp}.cpp" || exit
        faust -i -cn effect -a $FAUSTARCH/minimal-effect.cpp "$SRCDIR/$EFFECT" -o "$TMP/effect.h" || exit
    fi

    # compile c++ to binary
    (
        cd "$TMP"
        install -d "${f%.dsp}$EXT/Contents/MacOS"
        $CXX $CXXFLAGS -mmacosx-version-min=10.9 -Wfatal-errors -framework Carbon $POLYDEFS $MIDIDEFS $SOUNDFILEDEFS $OSCDEFS -DDOWN_SAMPLING=$DS -DUP_SAMPLING=$US -DFILTER_TYPE=$FILTER -I ../../ -I"$MAXINC" -I"$MSPINC" -F"$MAXINC" -F"$MSPINC" -framework MaxAPI -framework MaxAudioAPI $SOUNDFILELIBS $OSCLIBS -arch i386 -Wl,-Y,1455 -bundle "${f%.dsp}.cpp" -o "${f%.dsp}$EXT/Contents/MacOS/${f%.dsp}~"
    ) >/dev/null  || exit

    rm -rf "$SRCDIR/${f%.dsp}$EXT"

    # Keep .dsp and .cpp files in the plug-in
    cp "$TMP/${f%.dsp}.cpp" "$TMP/${f%.dsp}$EXT"
    cp "$SRCDIR/$f" "$TMP/${f%.dsp}$EXT"
    # Create Info.plist
    createInfoPList "${f%.dsp}~" "$TMP/${f%.dsp}$EXT/Contents/Info.plist"

    if [ "$SOUNDFILE" = "1" ]; then
        # get all soundfiles from the JSON file
        cat $p.json | awk '
                        BEGIN { FS=":"; SOFI=0; }
                            /"soundfile"/ { SOFI=1; }
                            /"url"/ {
                            if (SOFI) {
                                match($2, /"[^"]*/);
                                split(substr($2, RSTART+2, RLENGTH-3), res, ";");
                                for (x in res) print substr(res[x], 2, length(res[x])-2);
                                SOFI=0;
                            }
                        }
        ' > $p-tmp.txt
        # copy found soundfiles in the final binary
        for snd in $(cat $p-tmp.txt); do
            if [ -f $snd ]; then
                if [ ${snd:0:1} = "/" ]; then
                    echo "Warning: soundfile with absolute path is not copied !"
                else
                    #create destination path and possibly create directory
                    sfpath="$TMP/${f%.dsp}$EXT/$(dirname $snd)/"
                    if ! [ -d $sfpath ]; then
                        echo "Create $sfpath"
                        mkdir $sfpath
                    fi
                    echo "Copy $snd in ${f%.dsp}$EXT"
                    cp $snd $sfpath
                fi
            else
                echo "Error: file $snd not found !"
            fi
        done
        rm $p-tmp.txt
    fi

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

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

done

BINARIES="$BINARIES ui.js"

echo $BINARIES