#!/bin/bash

SOURCES=()

MKSOURCES=""

CURDIR=`pwd -P`

# Fetch sources

if [[ $# -ge 2 ]]; then

    for src in ${@:2}

    do

        SOURCES+=($src)

        MKSOURCES="$MKSOURCES $(basename $src)"

    done

else

    if [ -n "$1" ]; then

        while read src

        do

            SOURCES+=($src)

            MKSOURCES="$MKSOURCES $(basename $src)"

        done

    fi

fi

if [ -z "$1" ] || [ -z "$SOURCES" ]; then

    echo "Usage: androidbuild.sh com.yourcompany.yourapp < sources.list"

    echo "Usage: androidbuild.sh com.yourcompany.yourapp source1.c source2.c ...sourceN.c"

    echo "To copy SDL source instead of symlinking: COPYSOURCE=1 androidbuild.sh ... "

    exit 1

fi

SDLPATH="$( cd "$(dirname "$0")/.." ; pwd -P )"

if [ -z "$ANDROID_HOME" ];then

    echo "Please set the ANDROID_HOME directory to the path of the Android SDK"

    exit 1

fi

if [ ! -d "$ANDROID_HOME/ndk-bundle" -a -z "$ANDROID_NDK_HOME" ]; then

    echo "Please set the ANDROID_NDK_HOME directory to the path of the Android NDK"

    exit 1

fi

APP="$1"

APPARR=(${APP//./ })

BUILDPATH="$SDLPATH/build/$APP"

# Start Building

rm -rf $BUILDPATH

mkdir -p $BUILDPATH

cp -r $SDLPATH/android-project/* $BUILDPATH

# Copy SDL sources

mkdir -p $BUILDPATH/app/jni/SDL

if [ -z "$COPYSOURCE" ]; then

    ln -s $SDLPATH/src $BUILDPATH/app/jni/SDL

    ln -s $SDLPATH/include $BUILDPATH/app/jni/SDL

else

    cp -r $SDLPATH/src $BUILDPATH/app/jni/SDL

    cp -r $SDLPATH/include $BUILDPATH/app/jni/SDL

fi

cp -r $SDLPATH/Android.mk $BUILDPATH/app/jni/SDL

sed -i -e "s|YourSourceHere.c|$MKSOURCES|g" $BUILDPATH/app/jni/src/Android.mk

sed -i -e "s|org\.libsdl\.app|$APP|g" $BUILDPATH/app/build.gradle

sed -i -e "s|org\.libsdl\.app|$APP|g" $BUILDPATH/app/src/main/AndroidManifest.xml

# Copy user sources

for src in "${SOURCES[@]}"

do

    cp $src $BUILDPATH/app/jni/src

done

# Create an inherited Activity

cd $BUILDPATH/app/src/main/java

for folder in "${APPARR[@]}"

do

    mkdir -p $folder

    cd $folder

done

ACTIVITY="${folder}Activity"

sed -i -e "s|\"SDLActivity\"|\"$ACTIVITY\"|g" $BUILDPATH/app/src/main/AndroidManifest.xml

# Fill in a default Activity

cat >"$ACTIVITY.java" <<__EOF__

package $APP;

import org.libsdl.app.SDLActivity;

public class $ACTIVITY extends SDLActivity

{

}

__EOF__

# Update project and build

echo "To build and install to a device for testing, run the following:"

echo "cd $BUILDPATH"

echo "./gradlew installDebug"