#!/usr/bin/env bash
ARTIFACT='com.tools:dev-dependency:1.0:jar:all'
artifact='dev-dependency-1.0-all.jar'
artifact_ls="/var/tmp/$artifact"
artifact_cli='fatjar-cfr'

readdir(){
  bin=$1
  local dir=$(which $1)
        dir=${dir%/*}
  if [ -d $dir/node_modules/dev-cli ];then
     dir=$dir/node_modules/dev-cli
  fi
  if [[ $(uname -s) = Darwin ]];then
     dir=${dir%/*}/lib/node_modules/dev-cli
  fi
  echo $dir
}

getartifact(){
   if [ ! -d /var/tmp ];then
      mkdir -p /var/tmp
   fi
   if [ ! -f $artifact_ls ];then
      mvn org.apache.maven.plugins:maven-dependency-plugin:3.2.0:copy -Dartifact=$ARTIFACT -DoutputDirectory=/var/tmp
   fi
   if [ ! -f $artifact_ls ];then
      local dir="$(readdir $artifact_cli)"

      echo fail to mvn copy $ARTIFACT > /dev/stderr
      echo "1> cp $dir/lib/$artifact ./$artifact_ls" > /dev/stderr
      cp $dir/lib/$artifact ./$artifact_ls
   fi
}

if [ ! -f $artifact_ls ];then
   getartifact
fi


## main
usage(){
   echo 'fatjar-cfr <fatjar> [entry] [pattern]'
   exit 1
}

fatjar_opt=$9
entry_opt=$9
pattern_opt=$9
for opt in $@;do
   if [ $entry_opt ];then
      pattern_opt=$opt
   elif [ $fatjar_opt ];then 
      pattern_opt=$opt
      entry_opt=$opt
   else 
      fatjar_opt=$opt
   fi
done
# echo entry_opt=$entry_opt, pattern_opt=$pattern_opt

## ensure fatjar
if [ ! $fatjar_opt ];then 
   usage
fi

## update pattern_opt
if [ $entry_opt ];then 
   if [ $pattern_opt != $entry_opt ];then 
      pattern_opt="$entry_opt!$pattern_opt"
   fi
fi

if [ $pattern_opt ];then 
   pattern_arg="-i $pattern_opt"
fi

if [ $pattern_opt ];then
   # echo java -jar $artifact_ls $fatjar_opt $checksum_opt $pattern_arg
   java -jar $artifact_ls $fatjar_opt $checksum_opt $pattern_arg
else
   # echo java -jar $artifact_ls $fatjar_opt $checksum_opt -T
   java -jar $artifact_ls $fatjar_opt $checksum_opt -T
fi