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

# Display colorized information output
function cinfo() {
  COLOR='\033[01;32m' # bold green
  RESET='\033[00;00m' # normal white
  echo -e "${COLOR}[OK]\t$*${RESET}"
}

# Display colorized warning output
function cwarn() {
  COLOR='\033[01;31m' # bold red
  RESET='\033[00;00m' # normal white
  echo -e "${COLOR}[ERROR]\t$*${RESET}"
}

function cfix() {
  COLOR='\033[01;34m' # bold red
  RESET='\033[00;00m' # normal white
  echo -e "${COLOR}\t$*${RESET}"
}

resolve_link() {
  $(type -p greadlink readlink | head -1) "$1"
}

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


if [[ ! -z "$JAVA_HOME" ]] ; then
  if [[ -z "$JENV_FORCEJAVAHOME" ]] ; then
    cwarn "JAVA_HOME variable already set, scripts that use it directly could not use java version set by jenv"
  else
    cinfo "JAVA_HOME variable probably set by jenv PROMPT"
  fi
else
    cinfo "No JAVA_HOME set"
fi

JAVA_BIN=`command -v java`

EXPECTED_JAVA="$JENV_ROOT/shims/java"

if [ "$EXPECTED_JAVA" = "$JAVA_BIN" ] ; then
  cinfo "Java binaries in path are jenv shims"
else
  cwarn "Java binary in path is not in the jenv shims."
  cwarn "Please check your path, or try using \`jenv add /path/to/java/home\`."
  cfix "PATH : $PATH"

fi

if [ "$JENV_LOADED" = "1" ]; then
  cinfo "Jenv is correctly loaded"

else
  shell="$(basename "$SHELL")"

  case "$shell" in
    bash )
      profile="$HOME/.bash_profile"
      ;;
    zsh )
      profile="$HOME/.zshrc"
      ;;
    ksh )
      profile="$HOME/.profile"
      ;;
    * )
      profile='your profile'
      ;;
  esac

  cwarn "Jenv is not loaded in your $shell"
  cwarn 'To fix : \techo '\''eval "$(jenv init -)"'\'' >>' "$profile"
fi

shopt -s nullglob
for plugin in "$JENV_ROOT"/plugins/*; do
    pluginName=$(basename "$plugin")
    if ! targetLink=$(resolve_link "$plugin"); then
        cwarn "Plugin $pluginName is not linked to a jenv installation"
    elif [[ ! $targetLink == "$JENV_INSTALL_DIR"* ]]; then
        cwarn "Plugin $pluginName is linked to older jenv installation"
        cfix "Please execute : jenv disable-plugin $pluginName && jenv enable-plugin $pluginName"
    fi
done
shopt -u nullglob