#!/usr/bin/env bash

function findScriptDir() {
  CURRENT=$PWD

  DIR=$(dirname "$0")
  cd "$DIR" || exit
  TARGET_FILE=$(basename "$0")

  # Iterate down a (possible) chain of symlinks
  while [ -L "$TARGET_FILE" ]
  do
      TARGET_FILE=$(readlink "$TARGET_FILE")
      DIR=$(dirname "$TARGET_FILE")
      cd "$DIR" || exit
      TARGET_FILE=$(basename "$TARGET_FILE")
  done

  SCRIPT_DIR=$(pwd -P)
  # Restore current directory
  cd "$CURRENT" || exit
}

findScriptDir
. "$SCRIPT_DIR"/common.sh

if [ -z "$LOGGING_CONFIG" ]; then
  # Use the default log4j2 file
  LOGGING_CONFIG="file:$HAZELCAST_HOME/config/log4j2.properties"
else
  if [ -f "$LOGGING_CONFIG" ]; then
    # Try if the file exists - either absolute or relative path
    LOGGING_CONFIG="file:$LOGGING_CONFIG"
  elif [ -f "$HAZELCAST_HOME/config/$LOGGING_CONFIG" ]; then
    # Try file in the config directory
    LOGGING_CONFIG="file:$HAZELCAST_HOME/config/$LOGGING_CONFIG"
  else
    echo "Could not find specified LOGGING_CONFIG file."
    exit 1
  fi
fi

# HAZELCAST_CONFIG holds the configuration path.
# If the the path is relative, it is relative to the Hazelcast installation directory (HAZELCAST_HOME).
# The path can be absolute.
# By default, it is set to $HAZELCAST_HOME/config/hazelcast.xml, with fallback to $HAZELCAST_HOME/config/hazelcast.yaml
# and to $HAZELCAST_HOME/config/hazelcast.yml if the xml file is not present.
if [ -z "$HAZELCAST_CONFIG" ]; then
    HAZELCAST_CONFIG="config/hazelcast.xml"
    if [ ! -f "$HAZELCAST_HOME/$HAZELCAST_CONFIG" ]; then
        HAZELCAST_CONFIG="config/hazelcast.yaml"
    fi
    if [ ! -f "$HAZELCAST_HOME/$HAZELCAST_CONFIG" ]; then
        HAZELCAST_CONFIG="config/hazelcast.yml"
    fi

    if [ ! -f "$HAZELCAST_HOME/$HAZELCAST_CONFIG" ]; then
        echo "Configuration file is missing. Create hazelcast.[xml|yaml|yml] in $HAZELCAST_HOME/config or set the HAZELCAST_CONFIG environment variable."
        exit 1
    fi
fi
# if the first character is /, then this is an absolute path, use as is
# otherwise prepend (HAZELCAST_HOME)
if [ "${HAZELCAST_CONFIG:0:1}" != "/" ]; then
  HAZELCAST_CONFIG="$HAZELCAST_HOME/$HAZELCAST_CONFIG"
fi

if [ "${PROMETHEUS_PORT}" ]; then
    echo "Prometheus enabled on port ${PROMETHEUS_PORT}"
    PROMETHEUS="-javaagent:${HAZELCAST_HOME}/lib/jmx_prometheus_javaagent-0.20.0.jar=${PROMETHEUS_PORT}:${HAZELCAST_HOME}/config/jmx_agent_config.yaml"
fi

readJvmOptionsFile "jvm.options"

if [ "$HAZELCAST_LICENSE_KEY" ]; then
    echo "HAZELCAST_LICENSE_KEY env variable is deprecated. Use HZ_LICENSEKEY instead."
    LICENSING_OPT="-Dhazelcast.enterprise.license.key=${HAZELCAST_LICENSE_KEY}"
fi

JAVA_OPTS_ARRAY=(\
$JDK_OPTS \
"-Dhazelcast.logging.type=log4j2" \
"-Dlog4j.configurationFile=$LOGGING_CONFIG" \
"-Dhazelcast.config=$HAZELCAST_CONFIG" \
$PROMETHEUS \
$LICENSING_OPT\
$JVM_OPTIONS \
$JAVA_OPTS \
)

if [ -z "$LOGGING_PATTERN" ]; then
  if [ "$(arch)" == "s390x" ]; then
    # Workaround for s390x architecture where the orignal pattern fails
    export LOGGING_PATTERN="%d [%highlight{%5p}{FATAL=red, ERROR=red, WARN=yellow, INFO=green, DEBUG=magenta}][%style{%t{1.}}{cyan}] [%style{%-10c}{blue}]: %m%n%xEx"
  else
    export LOGGING_PATTERN="%d [%highlight{%5p}{FATAL=red, ERROR=red, WARN=yellow, INFO=green, DEBUG=magenta}] [%style{%t{1.}}{cyan}] [%style{%c{1.}}{blue}]: %m%n%xEx"
  fi
fi

if [[ "$1" != "--version" ]] && [[ "$1" != "-V" ]]; then
  echo "########################################"
  echo "# JAVA=$JAVA"
  echo "# JAVA_OPTS=${JAVA_OPTS_ARRAY[*]}"
  echo "# CLASSPATH=$CLASSPATH"
  echo "########################################"
fi

exec "${JAVA}" -cp "${CLASSPATH}" ${JAVA_OPTS_ARRAY[*]} com.hazelcast.commandline.HazelcastServerCommandLine "$@"
