#!/bin/sh
#  _    _          ___           __ _     (R)
# | |  (_)_ _____ / __|___ _ _  / _(_)__ _
# | |__| \ V / -_) (__/ _ \ ' \|  _| / _` |
# |____|_|\_/\___|\___\___/_||_|_| |_\__, |___________________________________
#                                    |___/
# LiveConfig automated install script
#
# Source: https://install.liveconfig.com
# Documentation: https://www.liveconfig.com/install
# ____________________________________________________________________________

INST_VERSION="1.8"
TERM_RED=`tput setaf 1 2>/dev/null || echo ""`
TERM_NORMAL=`tput sgr0 2>/dev/null || echo ""`
TERM_CLEAR=`tput clear 2>/dev/null || echo ""`
TERM_BOLD=`tput bold 2>/dev/null || echo ""`

install_yum() {
  PACKAGE=$1
  rpm -qa | grep $PACKAGE > /dev/null 2>&1
  if [ $? -ne 0 ]; then
    print_translated "Installing package '$PACKAGE'"
    yum install -y -q $PACKAGE
    if [ $? -ne 0 ]; then
      print_translated "Failed to install $PACKAGE"
      print_footer
      exit 2
    fi
  fi
}

check_requirements() {

  if [ "$(whoami)" != "root" ]; then
    print_header
    print_bold "This script needs to be run as root."
    print_footer
    exit 1
  fi

  wget=$(which wget 2> /dev/null)
  if [ $? -eq 0 ]; then
    dltool_file="${wget} -nv"
    dltool_stdout="${wget} -nv -O -"
    return
  fi

  curl=$(which curl 2> /dev/null)
  if [ $? -eq 0 ]; then
    dltool_file="${curl} -OsS"
    dltool_stdout="${curl} -sS"
    return
  fi

  print_header
  print_bold "Neither 'wget' nor 'curl' are installed on this system. Please install at least one of them."
  print_footer
  exit 1;
}

download() {
  ${dltool_file} "$@"
}

download_stdout() {
  ${dltool_stdout} "$@"
}

print_header() {
  echo "${TERM_CLEAR}${TERM_RED} _    _          ___           __ _     (R)"
  echo "| |  (_)_ _____ / __|___ _ _  / _(_)__ _"
  echo "| |__| \\ V / -_) (__/ _ \\ ' \\|  _| / _\` |            ${TERM_NORMAL}LiveConfig Installer v${INST_VERSION}${TERM_RED}"
  echo "|____|_|\\_/\\___|\\___\\___/_||_|_| |_\\__, |_____________________________________"
  echo "                                   |___/${TERM_NORMAL}\n"
}

print_footer() {
  echo "${TERM_RED}______________________________________________________________________________${TERM_NORMAL}\n"
}

print_bold() {
  echo ${TERM_BOLD}$( translate "$1" )${TERM_NORMAL}
}

print_translated() {
  echo $( translate "$1" )
}

ask_yes_no() {
  echo -n ${TERM_BOLD}$( translate "$1" )${TERM_NORMAL} $( translate "([y]es or [N]o):" ) ""
  read INP </dev/tty || {{ INP="no" }}
  case $(echo ${INP} | tr '[A-Z]' '[a-z]') in
      y|yes|j|ja) return 1 ;;
      *)          return 0 ;;
  esac
}

distro_unknown() {
  print_header
  print_bold "Unfortunately, your operating system distribution is not supported by this script."
  echo
  print_bold "Please contact support@liveconfig.com for any further questions."
  print_footer
  exit 1
}

detect_distro() {
  if [ -f /etc/debian_version ]; then
    distro="deb"
  elif [ -f /etc/SuSE-release ]; then
    distro="opensuse"
  elif [ -f /etc/redhat-release ]; then
    distro="centos"
  fi
}

translate() {
  key="$1"
  case $LANG in
    de_DE*)
    case $key in
      "([y]es or [N]o):")
          retval="([j]a/[y]es oder [N]ein):" ;;
      "Adding LiveConfig repository...")
          retval="Füge LiveConfig-Repository hinzu..." ;;
      "Failed to install required packages")
          retval="Installation der benötigten Pakete fehlgeschlagen" ;;
      "Import of apt key failed!")
          retval="Import des APT-Keys fehlgeschlagen!" ;;
      "Installation of LiveConfig failed!")
          retval="Installation von LiveConfig fehlgeschlagen!" ;;
      "Installing LiveConfig...")
          retval="Installiere LiveConfig..." ;;
      "Installing on CentOS system")
          retval="Installiere auf CentOS System" ;;
      "Installing on Debian/Ubuntu system")
          retval="Installiere auf Debian/Ubuntu System" ;;
      "Installing on openSUSE system")
          retval="Installiere auf openSUSE System" ;;
      "LiveConfig already installed!")
          retval="LiveConfig ist bereits installiert!" ;;
      "LiveConfig successfully installed.")
          retval="LiveConfig erfolgreich installiert." ;;
      "Neither 'wget' nor 'curl' are installed on this system. Please install at least one of them.")
          retval="Weder 'wget' noch 'curl' sind auf diesem System installiert. Bitte installieren Sie zumindest eines davon." ;;
      "Please contact support@liveconfig.com for any further questions.")
          retval="Bei Fragen wenden Sie sich bitte an support@liveconfig.com" ;;
      "This script needs to be run as root.")
          retval="Dieses Script muss mit dem root-Benutzer ausgeführt werden." ;;
      "Unfortunately, your operating system distribution is not supported by this script.")
          retval="Leider wird Ihre Betriebssystem-Distribution nicht von diesem Script unterstützt." ;;
      *) retval=$key;;
    esac
    ;;
    *) retval=$key;;
  esac
  echo "$retval"
}

install_debian_ubuntu() {
  print_header
  print_bold "Installing on Debian/Ubuntu system"

  # install required packages
  apt-get install -qy ca-certificates gnupg 1>/dev/null 2>&1
  if [ $? -ne 0 ]; then
    print_bold "Failed to install required packages"
    print_footer
    exit 2
  fi

  dpkg -s liveconfig-keyring > /dev/null 2>&1
  if [ $? -ne 0 ]; then
    print_translated "Adding LiveConfig repository..."
    cd /root
    download https://www.liveconfig.com/liveconfig-keyring.deb
    dpkg -i liveconfig-keyring.deb
    if [ $? -ne 0 ]; then
      print_bold "Installation of package 'liveconfig-keyring' failed!"
      print_footer
      exit 3
    fi
    rm liveconfig-keyring.deb
  fi

  apt update
  if [ $? -ne 0 ]; then
    print_bold "apt update failed!"
    print_footer
    exit 5
  fi

  dpkg -s liveconfig > /dev/null 2>&1
  if [ $? -ne 0 ]; then
    # Install LiveConfig
    print_bold "Installing LiveConfig..."
    apt-get install -qy liveconfig
    if [ $? -ne 0 ]; then
      print_bold "Installation of LiveConfig failed!"
      print_footer
      exit 6
    fi
  else
    print_bold "LiveConfig already installed!"
  fi

  ask_yes_no "Do you want to install a basic hosting environment (install liveconfig-meta package)?"
  if [ $? -eq 1 ]; then
    # Install liveconfig-meta package
    echo
    print_translated "Installing LiveConfig Meta package for basic hosting environment"
    LANG=C DEBIAN_FRONTEND=noninteractive apt-get -qy -o APT::Install-Recommends=no install liveconfig-meta
    if [ $? -ne 0 ]; then
      print_bold "Installation of LiveConfig Meta package failed!"
      print_footer
      exit 7
    fi

    service liveconfig restart
  else
    echo
  fi

  print_bold "LiveConfig successfully installed."
}

install_opensuse() {
  print_header
  print_bold "Installing on openSUSE system"

  rpm -qa | grep ca-certificates > /dev/null 2>&1
  if [ $? -ne 0 ]; then
    print_translated "ca-certificates not installed yet -> installing"
    zypper install ca-certificates
    if [ $? -ne 0 ]; then
      print_translated "Failed to install ca-certificates"
      print_footer
      exit 2
    fi
  fi

  rpm -qi gpg-pubkey-65fe6664-* > /dev/null 2>&1
  if [ $? -ne 0 ]; then
    print_translated "RPM key not imported yet -> importing liveconfig.key"
    rpm --import https://www.liveconfig.com/liveconfig.key
    if [ $? -ne 0 ]; then
      print_translated "Import of RPM key failed!"
      print_footer
      exit 3
    fi
  fi

  zypper --no-color repos | grep -i liveconfig > /dev/null 2>&1
  if [ $? -ne 0 ]; then
    print_translated "Zypper repository not added yet"
    zypper -n addrepo -f http://repo.liveconfig.com/opensuse/liveconfig.repo
    if [ $? -ne 0 ]; then
      print_translated "Import of Zypper repository failed!"
      print_footer
      exit 4
    fi
  fi

  zypper update
  if [ $? -ne 0 ]; then
    print_translated "Zypper update failed!"
    print_footer
    exit 5
  fi

  rpm -qa | grep -i liveconfig > /dev/null 2>&1
  if [ $? -ne 0 ]; then
    # Install LiveConfig
    print_bold "Installing LiveConfig..."
    zypper install liveconfig
    if [ $? -ne 0 ]; then
      print_bold "Installation of LiveConfig failed!"
      print_footer
      exit 6
    fi
  else
    print_bold "LiveConfig already installed."
  fi

  ask_yes_no "Do you want to install a basic hosting environment (install liveconfig-meta package)?"
  if [ $? -eq 1 ]; then
    # Install liveconfig-meta package
    echo
    print_translated "Installing LiveConfig Meta package for basic hosting environment"
    zypper install liveconfig-meta
    if [ $? -ne 0 ]; then
      print_translated "Installation of LiveConfig Meta package failed!"
      print_footer
      exit 7
    fi

    service liveconfig restart
  else
    echo
  fi

  print_bold "LiveConfig successfully installed."
}

install_centos() {
  print_header
  print_bold "Installing on CentOS system"

  yum check 1>/dev/null 2>/dev/null
  if [ $? -ne 0 ]; then
    ask_yes_no "yum check failed - try to reinstall missing/broken packages?"
    if [ $? -eq 1 ]; then
      PKGLIST=`LANG=C yum check 2>/dev/null | grep 'has missing requires' | cut -d ' ' -f 1 | sort | uniq | tr '\n' ' '`
      if [ -n "$PKGLIST" ]; then
        print_translated "Reinstalling packages: "
        echo $PKGLIST
        yum -y reinstall $PKGLIST
      else
        print_translated "No missing packages found. Please run 'yum check'."
        exit 1
      fi
    else
      print_translated "aborting."
      exit 1
    fi
  fi

  print_translated "Checking/installing required packages..."
  install_yum ca-certificates
  # install_yum nss-pem

  rpm -qi gpg-pubkey-65fe6664-* > /dev/null 2>&1
  if [ $? -ne 0 ]; then
    print_translated "RPM key not imported yet -> importing liveconfig.key"
    rpm --import https://www.liveconfig.com/liveconfig.key
    if [ $? -ne 0 ]; then
      print_translated "Import of RPM key failed!"
      print_footer
      exit 2
    fi
  fi

  ls /etc/yum.repos.d | grep -i liveconfig > /dev/null 2>&1
  if [ $? -ne 0 ]; then
    print_translated "Adding LiveConfig repository"
    cd /etc/yum.repos.d
    if [ $? -ne 0 ]; then
      print_translated "Failed to change directory to /etc/yum.repos.d!"
      print_footer
      exit 3
    fi

    download http://repo.liveconfig.com/centos/liveconfig.repo
    if [ $? -ne 0 ]; then
      print_translated "Failed to download liveconfig yum-repository file!"
      print_footer
      exit 3
    fi
  fi

  print_translated "Updating repository & packages"
  yum -y -q update
  if [ $? -ne 0 ]; then
    print_translated "Yum update failed!"
    print_footer
    exit 4
  fi

  yum list installed liveconfig > /dev/null 2>&1
  if [ $? -ne 0 ]; then
    # Install LiveConfig
    print_bold "Installing LiveConfig..."
    yum -y -q install liveconfig
    if [ $? -ne 0 ]; then
      print_bold "Installation of LiveConfig failed!"
      print_footer
      exit 5
    fi
  else
    print_bold "LiveConfig already installed."
  fi

  ask_yes_no "Do you want to install a basic hosting environment (install liveconfig-meta package)?"
  if [ $? -eq 1 ]; then
    # Install liveconfig-meta package
    echo
    print_translated "Installing LiveConfig Meta package for basic hosting environment!"
    yum -y -q install liveconfig-meta
    if [ $? -ne 0 ]; then
      print_translated "Installation of LiveConfig Meta package failed!"
      print_footer
      exit 6
    fi

    service liveconfig restart
  else
    echo
  fi

  print_bold "LiveConfig successfully installed."
}

check_requirements
detect_distro

case ${distro} in
deb)
  install_debian_ubuntu
  ;;
opensuse)
  install_opensuse
  ;;
centos)
  install_centos
  ;;
*)
  distro_unknown
  ;;
esac