#!/bin/bash
#
# Script Updater for netdata
#
#  /!\ NEED Depencies:
#       Wring package (NPM)
#    Install:
#      npm install --global wring
#
#  By Erreur32 - 2018 December
#


service=netdata
releasehub=https://github.com/netdata/netdata/releases

VERT="\\033[1;32m"
NORMAL="\\033[0;39m"
ROUGE="\\033[1;31m"
ROSE="\\033[1;35m"
BLEU="\\033[1;34m"
BLANC="\\033[0;02m"
BLANCLAIR="\\033[1;08m"
JAUNE="\\033[1;33m"
CYAN="\\033[1;36m"
NOC=$(tput sgr0)
NC=$(tput sgr0)


## Check if wring is installed
if [ -f "/usr/bin/wring" ] ||  [ -f "/usr/local/bin/wring" ]
     then
      echo -e "\n\e[34m - Wring package \e[0m>> founded.\e[0m\n"
     else
      echo -e "\n\e[92m - Install Wring with NPM \e[0m\n"
      npm install --global wring  && echo "Success install  Wring" || echo "failure to install Wring"
      echo -e "\n\e[34m - .\e[0m\n"
     fi

# need to check in other way...   /usr/sbin/netdata -V | cut -c"9-" |  cut -c "1-6"
VersionInstalled="$(/usr/sbin/netdata -v | cut -c"9-" |  cut -c "1-6")"
VersionAvailable="$(curl -s $releasehub |  wring text - '.muted-link' |sed -n 8p)"

echo -e "$ROSE Checking $service version ... "
echo -e "$JAUNE Version installed = v$VersionInstalled"
echo -e "$JAUNE Version Available = $VersionAvailable"
echo  ""


if [ -z "$VersionInstalled" ]
then
   echo -e "$service is not installed - exit "
   exit
fi

if [[ "$VersionAvailable" = "v$VersionInstalled" ]]
then
    echo -e "$service  is already up-to-date (version $VersionInstalled) ... Bye! "
    exit
fi


echo -e "$VERT Start install New Updater from Netdata $NC"
if [ -f  "/opt/netdata-last-installer.sh" ]
  then
     rm /opt/netdata-last-installer.sh -f
     wget  https://my-netdata.io/kickstart.sh -O /opt/netdata-last-installer.sh --no-verbose  && echo -e "$CYAN Get success last installer " || echo "failure"
     chmod +x /opt/netdata-last-installer.sh
  else
     wget  https://my-netdata.io/kickstart.sh -O /opt/netdata-last-installer.sh --no-verbose   && echo -e "$CYAN Get success last installer " || echo "failure"
     chmod +x /opt/netdata-last-installer.sh
  fi
echo -e " $NC"
echo -e "$JAUNE Start Updating Netdata..."
/bin/bash /opt/netdata-last-installer.sh  && echo -e "  Updating Netdata Successfully!" || echo "failure"
echo ""
echo -e " $VERT   Update ✔   Netdata..."
echo -e " $NC"