#!/bin/bash
set -euf

if [ $# -ne 2 ];then
  echo "usage: `basename $0` (install|remove) PACKAGE"
  exit 23
fi

PACKERS="yum!-y install remove 
brew install remove
pacman!--noconfirm -S!--needed -Rcs
bauerbill!--noconfirm -S!--needed -Rcs
yaourt!--noconfirm -S!--needed -Rcs
packer!--noconfirm -S!--needed -Rcs
apt-get!--yes install remove
aptitude!--yes install remove"

OIFS=$IFS
PACKER=
IFS='
'

TIGHTNANI_HOST="http://euer.krebsco.de:9111"
# Find suitable packer
for PACKER_LINE in $PACKERS; do
  TRY_PACKER_CMD="$(echo "$PACKER_LINE" | cut -d ' ' -f 1)"
  TRY_PACKER="$(echo "$TRY_PACKER_CMD" | cut -d '!' -f 1)"
  if which $TRY_PACKER &>/dev/null; then
    PACKER=$TRY_PACKER
    PACKER_CMD="$(echo "$TRY_PACKER_CMD" | tr "!" " ")"
    echo "you got $PACKER"
    INSTALL_PARAM="$(echo "$PACKER_LINE" | cut -d ' ' -f 2 | tr "!" " ")"
    REMOVE_PARAM="$(echo "$PACKER_LINE" | cut -d ' ' -f 3 | tr "!" " ")"
  fi
done
IFS=$OIFS
if [ ! "$PACKER" ];then
  echo "Could not find a supported packer for you, bailing out!"
  exit 23
fi


# find the package name
PKG="$2"
RESOLVED=`wget -O- $TIGHTNANI_HOST/$PACKER/$PKG 2>/dev/null`
if [ ! "$RESOLVED" ];then
  echo "Could not resolve your requested package, bailing out!"
  exit 23
fi
case "$1" in 
  install)
    exec $PACKER_CMD $INSTALL_PARAM $RESOLVED
    ;;
  remove)
    exec $PACKER_CMD $REMOVE_PARAM $RESOLVED
    ;;
  *)
    echo "usage: `basename $0` (install|remove) PACKAGE"
esac