#!/usr/bin/env bash
#
# Summary: Show information about which command will be executed
#
# Usage: jenv info <command>
#

set -e
[ -n "$JENV_DEBUG" ] && set -x

exportedValues=""

exportVariable(){
   exportedValues="$exportedValues:$1"
   export "$1"="$2"
}

# Provide jenv completions
if [ "$1" = "--complete" ]; then
  exec jenv shims --short
fi

export JENV_VERSION="$(jenv-version-name)"

export JENV_OPTIONS="$(jenv-options)"

JENV_COMMAND="$1"

if [ "$JENV_VERSION" != "system" ]; then
  export JAVA_HOME="$JENV_ROOT/versions/$JENV_VERSION"
fi

JENV_COMMAND_PATH="$(jenv-which "$JENV_COMMAND")"
JENV_BIN_PATH="${JENV_COMMAND_PATH%/*}"

for script in $(jenv-hooks exec); do
  source "$script"
done

shift 1
if [ "$JENV_VERSION" != "system" ]; then
  export PATH="${JENV_BIN_PATH}:${PATH}"
fi
echo "Jenv will exec : $JENV_COMMAND_PATH $JENV_OPTIONS $@"
echo "Exported variables :"
echo "  JAVA_HOME=$JAVA_HOME"
while IFS=':' read -ra ADDR; do
      for i in "${ADDR[@]}"; do
      	  if [ -n "$i" ]; then
   				echo "  $i=${!i}"
		  fi
      done
 done <<< "$exportedValues"
