/* SPDX-License-Identifier: Apache-2.0
*
* The OpenSearch Contributors require contributions made to
* this file be licensed under the Apache-2.0 license or a
* compatible open source license.
*
* Modifications Copyright OpenSearch Contributors. See
* GitHub history for details.
*
*  Licensed to Elasticsearch B.V. under one or more contributor
*  license agreements. See the NOTICE file distributed with
*  this work for additional information regarding copyright
*  ownership. Elasticsearch B.V. licenses this file to you 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.
*/

namespace OpenSearch.OpenSearch.Ephemeral.Tasks.InstallationTasks
{
	internal class InitialConfigurationOpenDistro
	{
		// Actually, it is content of file `opendistro-tar-install.sh` shipped
		// in the tarball, but due to (1) this file might be changed and
		// (2) we have to modify the file before execution, because it launches
		// the server what we want to do on our own, it is decided to have a
		// snapshot of this file.
		// The script is taken from v.1.13.3, last 3 lines omitted.
		public static string GetConfigurationScript() =>
@"#!/bin/bash

ES_HOME=`dirname $(realpath $0)`; cd $ES_HOME
ES_KNN_LIB_DIR=$ES_HOME/plugins/opendistro-knn/knn-lib
##Security Plugin
bash $ES_HOME/plugins/opendistro_security/tools/install_demo_configuration.sh -y -i -s

##Perf Plugin
chmod 755 $ES_HOME/plugins/opendistro-performance-analyzer/pa_bin/performance-analyzer-agent
chmod 755 $ES_HOME/bin/performance-analyzer-agent-cli
echo ""done security""
PA_AGENT_JAVA_OPTS=""-Dlog4j.configurationFile=$ES_HOME/plugins/opendistro-performance-analyzer/pa_config/log4j2.xml \
              -Xms64M -Xmx64M -XX:+UseSerialGC -XX:CICompilerCount=1 -XX:-TieredCompilation -XX:InitialCodeCacheSize=4096 \
              -XX:InitialBootClassLoaderMetaspaceSize=30720 -XX:MaxRAM=400m""

ES_MAIN_CLASS=""com.amazon.opendistro.elasticsearch.performanceanalyzer.PerformanceAnalyzerApp"" \
ES_ADDITIONAL_CLASSPATH_DIRECTORIES=plugins/opendistro-performance-analyzer \
ES_JAVA_OPTS=$PA_AGENT_JAVA_OPTS

if ! grep -q '## OpenDistro Performance Analyzer' $ES_HOME/config/jvm.options; then
   CLK_TCK=`/usr/bin/getconf CLK_TCK`
   echo >> $ES_HOME/config/jvm.options
   echo '## OpenDistro Performance Analyzer' >> $ES_HOME/config/jvm.options
   echo ""-Dclk.tck=$CLK_TCK"" >> $ES_HOME/config/jvm.options
   echo ""-Djdk.attach.allowAttachSelf=true"" >> $ES_HOME/config/jvm.options
   echo ""-Djava.security.policy=$ES_HOME/plugins/opendistro-performance-analyzer/pa_config/es_security.policy"" >> $ES_HOME/config/jvm.options
fi
echo ""done plugins""

##Check KNN lib existence in ES TAR distribution
echo ""Checking kNN library""
FILE=`ls $ES_KNN_LIB_DIR/libKNNIndex*.so`
if test -f ""$FILE""; then
    echo ""FILE EXISTS $FILE""
else
    echo ""TEST FAILED OR FILE NOT EXIST $FILE""
fi

##Set KNN Dylib Path for macOS and *nix systems
if echo ""$OSTYPE"" | grep -qi ""darwin""; then
    if echo ""$JAVA_LIBRARY_PATH"" | grep -q ""$ES_KNN_LIB_DIR""; then
        echo ""KNN lib path has been set""
    else
        export JAVA_LIBRARY_PATH=$JAVA_LIBRARY_PATH:$ES_KNN_LIB_DIR
        echo ""KNN lib path not found, set new path""
        echo $JAVA_LIBRARY_PATH
    fi
else
    if echo ""$LD_LIBRARY_PATH"" | grep -q ""$ES_KNN_LIB_DIR""; then
        echo ""KNN lib path has been set""
    else
        export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$ES_KNN_LIB_DIR
        echo ""KNN lib path not found, set new path""
        echo $LD_LIBRARY_PATH
    fi
fi
";
	}
}