#!/bin/bash

toolName=roundcube
#https://github.com/roundcube/roundcubemail/releases/latest
latestUrl="https://api.github.com/repos/roundcube/roundcubemail/releases/latest"

# Get script working directory
# (when called from a different directory)
WDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >>/dev/null 2>&1 && pwd )"
CONFIG=0
CONFIG_FILE_NAME="${toolName}.cfg"
CONFIG_FILE_TEMPLATE="$WDIR/${CONFIG_FILE_NAME}.example"

step_config() {
  ## use sequencer api:
  initSeqConfig -t "$CONFIG_FILE_NAME" "$CONFIG_FILE_TEMPLATE"
  if [ $CONFIG -eq 0 ] ; then
    CONFIG=1
  fi
}

step_20_info() { 
  echo -n "Create a backup"
  if [ $CONFIG -ne 0 ] ; then
    echo " at $RC_BACKUP"
  else
    echo
  fi
}
step_20_alias() { ALIAS="backup"; }
step_20() {
  if [ $CONFIG -eq 0 ] ; then
    echoerr " [E] No configuration file found"
    return 1
  fi
  if [ ! -z $RC_BACKUP ] ; then
    exe mkdir -p "$RC_BACKUP"
  fi
  exe $WDIR/mysql.sh -qq backup "$RC_DATABASE" "$RC_BACKUP"
  local wwwBackup="$RC_BACKUP/${toolName}_www_`date +%Y%m%d-%H%M%S`.tar.gz"
  echo " [I] Backing up webserver directory to $wwwBackup"
  exe cd "$RC_LOC/.."
  exe tar czf "$wwwBackup" $(basename "$RC_LOC")
}

step_22_info() {
  shift
  if [ -z $1 ] ; then
    echo "Upgrade installation to latest version from github [CUSTOM VERSION]"
  else
    echo "Upgrade installation to $1 from github"
  fi
}
step_22_alias() { ALIAS="upgrade"; }
step_22() {
  shift # don't need step number
  local latestVersion=
  if [ ! -z $1 ] ; then
    latestVersion="$1"
  else
    latestVersion=$(curl --silent "$latestUrl" | grep -Po '"tag_name": "\K.*?(?=")')
  fi

  if [ -z $latestVersion ] ; then
    echoerr " [E] Cannot determine latest version from github repository"
    return 1
  elif [ $QUIET -eq 0 ] ; then
    echo
    exe read -p "Install $latestVersion to $RC_LOC [n]o/(y)es? " answer
    case $answer in
      [yY])
        ;;
      *)
        echoerr " [I] Upgrade aborted"
        return 1
        ;;
    esac
  fi

  local isInstalled=$(grep -E "RELEASE $latestVersion" "${RC_LOC}/CHANGELOG" >>/dev/null && echo "1" || echo "0")
  if [ $isInstalled -eq 1 ] ; then
    echoerr " [E] Version $latestVersion is already installed"
    return 2
  fi

  local downUrl="https://github.com/roundcube/roundcubemail/releases/download/${latestVersion}/roundcubemail-${latestVersion}-complete.tar.gz"
  local tempExtract="$tempDown/roundcubemail-$latestVersion"
  local tempInstall="$tempExtract/bin/installto.sh"
  
  if [ ! -e "$tempExtract" ] ; then
    exe mkdir -p "$tempDown"
    exe wget -O "$tempLoc" $downUrl
    endReturn -o $? "Download failed: $downUrl"
    exe cd "$tempDown"
    exe tar -xf "$tempLoc"
    endReturn -o $? "Extract failed: $tempLoc"
  else
    echo " [I] Found existing download: $tempExtract"
  fi

  step backup
  echo " [I] Installing version $latestVersion to $RC_LOC"
  exe "$tempInstall" "$RC_LOC"
  echo " [I] Make sure to check composer.json-dist file for upstream changes"
}
tempDown="/tmp/roundcube"
tempLoc="$tempDown/rc.tar.gz"

step_23_info() { echo "Post upgrade procedure"; }
step_23_alias() { ALIAS="postupgrade"; }
step_23() {
  exe cd "$RC_LOC"
  echo " [I] Starting post update procedure"
  exe php composer.phar update --no-dev
}

VERSION_SEQREV=10
. /usr/local/bin/sequencer.sh