#!/bin/bash

#####################################################################
#                                                                   #
#          Compiles Faust programs to CoreAudio and QT for iOS      #
#                   (c) Grame, 2016                                 #
#                                                                   #
#####################################################################

. faustpath
#. faustoptflags

CXXFLAGS="-O3 -ffast-math -ftree-vectorize -DIOS"

ARCHFILE="ca-qt.cpp"
ARCHLIB="-framework AudioToolbox -framework CoreMIDI -framework CoreFoundation "
PATH=$PATH:/usr/local/bin

function nqmakeios() {
	echo "#### qmake-ios is not available"
	echo "#### you must create an alias named 'qmake-ios' that points to the appropriate qmake in your Qt ios dist"
	exit 1
}
QMAKE=qmake-ios 
which $QMAKE > /dev/null || nqmakeios
DEBUG=false

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

# PHASE 1 : Look for -icc option to force use of intel icc (actually icpc)
# without having to configure CXX and CXXFLAGS
for p in $@; do
	if [ "$p" = -icc ]; then
		CXX=icpc
		CXXFLAGS=$MYICCFLAGS
    fi
done

#PHASE 2 : dispatch command arguments

OSCINC=""
QTDEFS=""
OSCLIB=""

for p in $@; do
    if [ $p = "-help" ] || [ $p = "-h" ]; then
        echo "faust2caqtios [-httpd] [-qrcode] [-poly] [-midi] [-osc] [-debug] [additional Faust options (-vec -vs 8...)] <file.dsp>"
        echo "Use '-httpd' to activate HTTP control"
        echo "Use '-qrcode' to activate QR code generation"
        echo "Use '-poly' to produce a polyphonic DSP, ready to be used with MIDI events"
        echo "Use '-midi' to activate MIDI control"
        echo "Use '-osc' to activate OSC control"
        echo "Use '-debug' to print all the build steps"
        exit
    fi
    
    if [ "$p" = -omp ]; then
        if [[ $CXX == "icpc" ]]; then
            OMP="-openmp"
        else
            OMP="-fopenmp"
        fi
    fi
  
    if [ "$p" = -debug ]; then
    	DEBUG=true
    elif [ "$p" = -icc ]; then
    	ignore=" "
    elif [ $p = "-poly" ]; then
        POLYDEFS="DEFINES += POLY"
    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" = "-qrcode" ]; then # requires -httpd
		QRDEFS="DEFINES += QRCODECTRL"
    elif [ ${p:0:1} = "-" ]; then
	    OPTIONS="$OPTIONS $p"
	elif [[ -f "$p" ]]; then
	    FILES="$FILES $p"
	else
	    OPTIONS="$OPTIONS $p"        
	fi
done



#-------------------------------------------------------------------
# Check darwin specifics
#
if [[ $(uname) == Darwin ]]; then
    SYS_VERSION=$(uname -v | cut -d : -f1 | cut -d. -f1 | cut -d' ' -f4)
    CXXFLAGS+=" -D__MACOSX_CORE__"
	if [ $SYS_VERSION -gt 12 ]
	then
	    SPEC="-spec macx-clang"
	    CLANGOPT="CONFIG+=c++11"
	else
	    SPEC="-spec macx-g++"
	    CLANGOPT=""
	fi
    EXT=".app"
fi

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

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

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

    # compile faust to c++
	FAUST='faust -i -a $ARCHFILE $OPTIONS "$SRCDIR/$f" -o "$TMP/${f%.dsp}.cpp"'
	if $DEBUG; then echo $FAUST; fi
	eval $FAUST || exit

	IOSDIR=/usr/local/share/faust/iOS
	RSRC=$IOSDIR/*.png
	RFILES="RSRC.files=$(echo $RSRC)"

	PRJ='$QMAKE -project "QT += widgets printsupport network sensors" "CONFIG+=warn_off" "$CLANGOPT" "INCLUDEPATH+=$CUR" "INCLUDEPATH+=$FAUSTINC" "QMAKE_CXXFLAGS= $CXXFLAGS -Wno-unused-parameter   -I/usr/local/include/ $FAUSTTOOLSFLAGS" "LIBS+=$ARCHLIB $OSCLIBS $HTTPLIBS" "HEADERS+=$FAUSTINC/faust/gui/QTUI.h" "RESOURCES+= $FAUSTINC/faust/gui/Styles/Grey.qrc" "$OSCDEFS" "$HTTPDEFS" "$QRDEFS" "$POLYDEFS" "$MIDIDEFS" "$RFILES" "RSRC.path = ." "QMAKE_BUNDLE_DATA +=RSRC"'

	BUILD='$QMAKE -spec macx-xcode && xcodebuild -jobs 8 -project ${f%.dsp}.xcodeproj -target ${f%.dsp} -configuration Release'

    # compile c++ to binary
    if $DEBUG;
    then (
	    cd "$TMP"
    	echo $PRJ
    	eval $PRJ
    	echo $BUILD
    	eval $BUILD
    )
	else (
	    cd "$TMP"
    	eval $PRJ
    	eval $BUILD
    ) > /dev/null || exit
    fi

    rm -rf "$SRCDIR/${f%.dsp}$EXT"
    cp -r "$TMP/Release-iphoneos/${f%.dsp}$EXT" "$SRCDIR/${f%.dsp}$EXT"
    RMTMP=true
    if $DEBUG;
    then
	    echo "====> delete temporary folder $TDR ? [Y/n]"
	    read DEL
	    [ $DEL == "n" ] && RMTMP=false
	fi	
	[ $RMTMP == true ] && rm -rf "$TDR"

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

echo $BINARIES


