#! /bin/bash -e

#####################################################################
#                                                                   #
#               Compiles Faust programs to fausgen~ patch           #
#               (c) Grame, 2015                                     #
#                                                                   #
#####################################################################

. faustpath
. faustoptflags

POLY="MONO"
NVOICES=-1

JSFILE_PATH="ui.js"

#PHASE 2 : dispatch command arguments
while [ $1 ]
do
    p=$1

    if [ $p = "-help" ] || [ $p = "-h" ]; then
        echo "faust2gen [-nvoices <num>] <file.dsp>"
        echo "Use '-nvoices <num>' to produce a polyphonic self-contained DSP with <num> voices, ready to be used with MIDI"
    	exit
    fi
    
    if [[ -f "$p" ]]; then
	    FILES="$FILES $p"
    elif [ $p = "-nvoices" ]; then
        POLY="POLY1"
        shift
        NVOICES=$1
        if [ $NVOICES -ge 0 ]; then
            CXXFLAGS="$CXXFLAGS -DNVOICES=$NVOICES"
        fi
	else
	    OPTIONS="$OPTIONS $p"
	fi

shift

done

#look for polyphonic "nvoices" metadata in the DSP file

grep "declare nvoices" $FILES && POLY="POLY1" 2>/dev/null

#-------------------------------------------------------------------
# compile the *.dsp files
#

for p in $FILES; do

    f=$(basename "$p")

    # create Max patch
    if [ $POLY = "POLY1" ]; then
        cat $FAUSTARCH/max-msp/faustgen-wrapper-poly.maxpat > ${f%.dsp}-temp1.maxpat
    else
        cat $FAUSTARCH/max-msp/faustgen-wrapper.maxpat > ${f%.dsp}-temp1.maxpat
    fi
    sed -e "s/DSP_NAME/"${f%.dsp}"/g" ${f%.dsp}-temp1.maxpat >> ${f%.dsp}-temp2.maxpat
    sed -e "s/UI_FILE/"$JSFILE_PATH"/g" ${f%.dsp}-temp2.maxpat > ${f%.dsp}.maxpat

    # collect binary file name for FaustGIDE
    BINARIES="$BINARIES${f%.dsp}.maxpat;"

    # copy JavaScript UI file
    cp $FAUSTARCH/max-msp/ui.js .

    rm ${f%.dsp}-temp1.maxpat
    rm ${f%.dsp}-temp2.maxpat
    
done

BINARIES="$BINARIES ui.js"

echo $BINARIES
