#!/usr/bin/env bash

set -eo pipefail

GU=`which gu` || true

if [ -z "$GU" ]; then
  if [ -z "$GRAALVM_HOME" ]; then
      echo "Please set GRAALVM_HOME"
      exit 1
  fi

  GU="$GRAALVM_HOME/bin/gu"
else
  GRAALVM_HOME=`echo $GU | sed -e "s/\/bin\/gu$//"`
fi

if [ -z "$BABASHKA_XMX" ]; then
    export BABASHKA_XMX="-J-Xmx3g"
fi

NATIVE_IMAGE=`which native-image` || true

if [ -z "$NATIVE_IMAGE" ]; then
  $GU install native-image || true

  NATIVE_IMAGE=`which native-image` || true

  if [ -z "$NATIVE_IMAGE" ]; then
    if [ -z "$GRAALVM_HOME" ]; then
        echo "Please set GRAALVM_HOME"
        exit 1
    fi
    NATIVE_IMAGE="$GRAALVM_HOME/bin/native-image"
  fi
fi

## --- THE ACTUAL SCRIPT ---

BABASHKA_VERSION=$(cat resources/BABASHKA_VERSION)

export JAVA_HOME=$GRAALVM_HOME

$GRAALVM_HOME/bin/javac -cp $GRAALVM_HOME/jre/lib/svm/builder/svm.jar resources/CutOffCoreServicesDependencies.java

if [ -z "$JAR" ]; then
  lein with-profiles +reflection do run
  lein do clean, uberjar
  JAR=${JAR:-"target/babashka-$BABASHKA_VERSION-standalone.jar"}
fi

BINARY_NAME=${BINARY_NAME:-"bb"}

args=( -jar $JAR \
            -H:Name=$BINARY_NAME \
            -H:+ReportExceptionStackTraces \
            -J-Dclojure.spec.skip-macros=true \
            -J-Dclojure.compiler.direct-linking=true \
            "-H:IncludeResources=BABASHKA_VERSION" \
            "-H:IncludeResources=SCI_VERSION" \
            -H:ReflectionConfigurationFiles=reflection.json \
            --initialize-at-run-time=java.lang.Math\$RandomNumberGeneratorHolder \
            --initialize-at-build-time \
            -H:Log=registerResource: \
            -H:EnableURLProtocols=http,https \
            --enable-all-security-services \
            -H:+JNI \
            --verbose \
            --no-fallback \
            --no-server \
            --report-unsupported-elements-at-runtime \
            "$BABASHKA_XMX" )

if [ "$BABASHKA_STATIC" = "true" ]; then
    args+=("--static")
fi

$GRAALVM_HOME/bin/native-image "${args[@]}"

LEIN=`which lein` || true

if [ -z "$LEIN" ]; then
  echo "nothing to clean"
else
  lein clean
fi