#! /bin/bash
#This script does a clean build of sl4a and install it to your device through adb
#Requires envsetup.sh in the branch

#function to change jdk version
function setup_jdk() {
  # Remove the current JDK from PATH
  if [ -n "${JAVA_HOME}" ] ; then
    PATH=${PATH/${JAVA_HOME}\/bin:/}
  fi
  export JAVA_HOME=${1}
  export PATH=${JAVA_HOME}/bin:${PATH}
}

#Color code for echo
r='\e[0;31m'
brn='\e[0;33m'
y='\e[1;33m'
g='\e[0;32m'
cy='\e[0;36m'
lb='\e[1;34m'
p='\e[0;35m'
lg='\e[0;37m'
NC='\e[0m' # No Color

echo -e "Welcome to ${r}U${brn}N${y}I${g}C${lb}O${cy}R${p}N${NC} build system for ${g}sl4a${NC}"

#List of sl4a dependency libs to be built in order
declare -a lib_list=("Utils" "Common" "InterpreterForAndroid" "ScriptingLayer" "QuickAction")

declare -a test_list=("Utils" "Common")

IFS='_' read -a array <<< "${TARGET_PRODUCT}"
export TP=${array[0]}
if [[ ${#array[@]} -eq 2 ]]; then
  export TP=${array[1]}
fi

APP_NAME=sl4a
APP_PACKAGE_NAME=com.googlecode.android_scripting

BRANCH_ROOT=${PWD}/../../../../..
SL4A_ROOT=${BRANCH_ROOT}/vendor/google_testing/comms/Tools/sl4a
SHARED_LIB_JAR_ROOT=${BRANCH_ROOT}/out/target/common/obj/JAVA_LIBRARIES
APP_JAR_ROOT=${BRANCH_ROOT}/out/target/common/obj/APPS
APK_ROOT=${BRANCH_ROOT}/out/target/product/${TP}/system/priv-app/sl4a
SL4A_PROJ_DIR=${SL4A_ROOT}/ScriptingLayerForAndroid

function sl4a_build {

echo -e "${y}Removing intermediates of all the dependency libs${NC}"
for i in "${lib_list[@]}"
do
  rm -r ${SHARED_LIB_JAR_ROOT}/sl4a."${i}"_intermediates
done

echo -e "${y}Removing intermeidates of the app${NC}"
rm -r ${APP_JAR_ROOT}/"${APP_NAME}"_intermediates
#Remove the apk file
rm ${APK_ROOT}/"${APP_NAME}".apk

#Build all the dependency libs
. ${BRANCH_ROOT}/build/envsetup.sh

exec () {
  ${@:1:($#-1)}
  if [ $? -ne 0 ]; then
    echo -e "${r}Encountered error when ${@:$#}${NC}"
    echo -e "${lg}UNICORN ${r}DIED${NC}!"
    exit 1
  fi
}


for i in "${lib_list[@]}"
do
  echo -e "${lb}+++++++ Building ${i} +++++++${NC}"
  cd $SL4A_ROOT/"${i}"
  exec mm -B "building ${i}"
  echo
done

echo -e "${lb}+++++++ Building ${APP_NAME}.apk +++++++${NC}"
cd ${SL4A_PROJ_DIR}
exec mm -B "building ${APP_NAME}.apk"
echo

}

function sl4a_flash {
for SERIAL in $(adb devices | tail -n +2 | cut -sf 1);
do
  if [ "${SELECT_SERIAL}" == "0" ] || [ "${SELECT_SERIAL}" == "${SERIAL}" ]; then
    echo "flashing serial number = ${SERIAL}"
    export ANDROID_SERIAL="${SERIAL}"
    echo -e "${y}Switching to root${NC}"
    adb root
    adb wait-for-device remount

    echo -e "${y}Uninstalling old apk from device${NC}"
    adb uninstall ${APP_PACKAGE_NAME}
    adb shell rm -r /system/priv-app/${APP_NAME}.apk

    echo -e "${lb}Installing apk to device${NC}"
    cd ${APK_ROOT}
    #exec adb install $APP_NAME.apk "installing apk to device"
    #exec adb push $APP_NAME.apk /system/priv-app "installing apk to previliged dir"
    echo -e "installing apk to previliged dir"
    adb install -r ${APP_NAME}.apk
  fi
done
}

DO_BUILD=1
DO_FLASH=1
SELECT_SERIAL=0

if [ $# -ne 0 ] ; then
  DO_BUILD=0
  DO_FLASH=0
  while getopts "bfs:" ARG
  do
    case ${ARG} in
      b) DO_BUILD=1 && echo "Build it we will.";;
      f) DO_FLASH=1 && echo "Flash it we must.";;
      s) SELECT_SERIAL=${OPTARG} && echo "flash serial number: ${SELECT_SERIAL}";;
      ?) echo "Invalid Argument ${ARG}" && exit 1;;
    esac
  done
fi

if [ ${DO_BUILD} -eq "1" ] ; then
  sl4a_build
fi

if [ ${DO_FLASH} -eq "1" ] ; then
  sl4a_flash
fi

echo "All clear!"
echo -e " ${r}U${brn}N${y}I${g}C${cy}O${lb}R${p}N ${r}P${brn}O${y}W${g}E${cy}R${lb}!${p}!${NC}"