#!/usr/bin/bash

# java runtime decompiler launch script

# JPackage Project <http://www.jpackage.org/>
# Source functions library

. /usr/share/java-utils/java-functions

echo $@ | grep -q -e "-verbose"
verbose=$?

function warning() {
  if [ $verbose -eq 0 ] ; then
    echo ${1} >&2
  fi
}

# the launcher is reused uder different name, hardcoding name
JRD=java-runtime-decompiler
CONF_HOME=$XDG_CONFIG_HOME


if  [ "$CONF_HOME" = "" ] ; then 
  CONF_HOME=$HOME/.config/$JRD
else
  CONF_HOME=$CONF_HOME/$JRD
fi

LOG_DIR=$CONF_HOME/logs
CONF_DIR=$CONF_HOME/conf
PLUGIN_HOME=$CONF_HOME/plugins
PLUGIN_HOME_LEGACY=$CONF_HOME/plugins-legacy

mkdir -p $LOG_DIR
mkdir -p $CONF_DIR
mkdir -p $PLUGIN_HOME

: ${MAIN_CLASS:=org.jrd.backend.data.Main}

# set java and jvm arguments
export _prefer_jre=false #although java moved compiler classes to jre, PREFERING jdk should not hurt
_set_java_home
set_jvm

# all dependencies must be on classpath
set_classpath java-runtime-decompiler rsyntaxtextarea byteman google-gson classpathless-compiler objectweb-asm java-diff-utils
CLASSPATH=$CLASSPATH:${JAVA_HOME}/lib/tools.jar

# set path to agent automatically
AGENT="/usr/share/java/java-runtime-decompiler/decompiler-agent.jar"
CONFIG_FILE=$CONF_DIR/config.cfg
AGENT_PREFIX="AGENT_PATH==="
AGENT_STRING=$AGENT_PREFIX$AGENT

# copy json wrappers information to home so the users can edit
if [ ! -e "$PLUGIN_HOME_LEGACY" -a -e "$PLUGIN_HOME" ] ; then
  mv "$PLUGIN_HOME" "$PLUGIN_HOME_LEGACY"
  echo "jrd no longer handles custom plugins for you. Your's "
  echo "$PLUGIN_HOME was moved to $PLUGIN_HOME_LEGACY"
  echo "You can play with custom plugins in $PLUGIN_HOME"
  echo "but keep $PLUGIN_HOME_LEGACY created, so it is not renamed again"
fi
mkdir -p $PLUGIN_HOME_LEGACY

warning "jrd no longer handles custom plugins for you. Your's "
warning  echo "$PLUGIN_HOME was moved to $PLUGIN_HOME_LEGACY"
warning "You can play with custom plugins in $PLUGIN_HOME"
warning "but keep $PLUGIN_HOME_LEGACY created, so it is not renamed again"

# create config file and add agent default path
touch $CONFIG_FILE

if [ -e $AGENT ]
then
	if grep -Fxq $AGENT_STRING $CONFIG_FILE
	then
		warning "Default agent path is already set in $CONFIG_FILE. Skipping agent path setting."
	elif grep -rq $AGENT_PREFIX $CONFIG_FILE
	then
		RESULT_OF_GREP="$(grep -rq $AGENT_PREFIX $CONFIG_FILE)"
		warning "Agent path is already set in $CONFIG_FILE as ${RESULT_OF_GREP}. Skipping agent path setting."
	else
		echo  $AGENT_STRING >> $CONFIG_FILE

	fi
else
	echo "Agent was not found and agent path was not set correctly. This has to be done manually in the decompiler GUI, or set AGENT_PATH===path_to_agent_jar in the configuration file: $CONFIG_FILE" >&2
fi

export FLAGS="$FLAGS -Djdk.attach.allowAttachSelf=true --add-exports jdk.jdeps/com.sun.tools.javap=ALL-UNNAMED  --add-opens java.base/java.io=ALL-UNNAMED" # jdk11+ do not allow attach by default; jdk17 is hiding javap api
run "$@"