#!/bin/bash -eu
# Copyright 2023 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
################################################################################

CURRENT_VERSION=$($MVN org.apache.maven.plugins:maven-help-plugin:3.2.0:evaluate \
-Dexpression=project.version -q -DforceStdout)

./mvnw package dependency:copy-dependencies -DskipTests -Dmaven.test.skip=true -Dmaven.javadoc.skip=true

mkdir -p $OUT/dependency
cp "$SRC/jackson-datatypes-collections/eclipse-collections/target/jackson-datatype-eclipse-collections-$CURRENT_VERSION.jar" $OUT/collections.jar
for jarfile in $(find $SRC/jackson-datatypes-collections/eclipse-collections/target/dependency/ -name *.jar ! -name junit*.jar ! -name hamcrest*.jar)
do
  cp $jarfile $OUT/dependency
done
cp "$SRC/jackson-datatypes-collections/guava/target/jackson-datatype-guava-$CURRENT_VERSION.jar" $OUT/guava.jar
for jarfile in $(find $SRC/jackson-datatypes-collections/guava/target/dependency/ -name *.jar ! -name junit*.jar ! -name hamcrest*.jar)
do
  cp $jarfile $OUT/dependency
done
cp "$SRC/jackson-datatypes-collections/hppc/target/jackson-datatype-hppc-$CURRENT_VERSION.jar" $OUT/hppc.jar
for jarfile in $(find $SRC/jackson-datatypes-collections/hppc/target/dependency/ -name *.jar ! -name junit*.jar ! -name hamcrest*.jar)
do
  cp $jarfile $OUT/dependency
done
cp "$SRC/jackson-datatypes-collections/pcollections/target/jackson-datatype-pcollections-$CURRENT_VERSION.jar" $OUT/pcollections.jar
for jarfile in $(find $SRC/jackson-datatypes-collections/pcollections/target/dependency/ -name *.jar ! -name junit*.jar ! -name hamcrest*.jar)
do
  cp $jarfile $OUT/dependency
done

ALL_JARS="collections.jar guava.jar hppc.jar pcollections.jar"
ALL_DEPENDENCY=$(find $OUT/dependency -name *.jar -printf "%f ")

# The classpath at build-time includes the project jars in $OUT as well as the
# Jazzer API.
BUILD_CLASSPATH=$JAZZER_API_PATH:$(echo $ALL_JARS | xargs printf -- "$OUT/%s:")$(echo $ALL_DEPENDENCY | xargs printf -- "$OUT/dependency/%s:"):$JAZZER_API_PATH

# All .jar and .class files lie in the same directory as the fuzzer at runtime.
RUNTIME_CLASSPATH=$(echo $ALL_JARS | xargs printf -- "\$this_dir/%s:"):$(echo $ALL_DEPENDENCY | xargs printf -- "\$this_dir/dependency/%s:"):\$this_dir

for fuzzer in $(find $SRC -name '*Fuzzer.java'); do
  fuzzer_basename=$(basename -s .java $fuzzer)
  javac -cp $BUILD_CLASSPATH $fuzzer
  cp $SRC/*.class $OUT/

  # Create an execution wrapper that executes Jazzer with the correct arguments.
  echo "#!/bin/bash
# LLVMFuzzerTestOneInput for fuzzer detection.
this_dir=\$(dirname \"\$0\")
if [[ \"\$@\" =~ (^| )-runs=[0-9]+($| ) ]]; then
  mem_settings='-Xmx1900m:-Xss900k'
else
  mem_settings='-Xmx2048m:-Xss1024k'
fi
LD_LIBRARY_PATH=\"$JVM_LD_LIBRARY_PATH\":\$this_dir \
\$this_dir/jazzer_driver --agent_path=\$this_dir/jazzer_agent_deploy.jar \
--cp=$RUNTIME_CLASSPATH \
--target_class=$fuzzer_basename \
--jvm_args=\"\$mem_settings\" \
\$@" > $OUT/$fuzzer_basename
  chmod u+x $OUT/$fuzzer_basename
done