#!/bin/bash

toolName=torrentwatch-xa
toolDeps="git php-mbstring php-curl php-xml"
toolGitUrl="https://github.com/dchang0/torrentwatch-xa.git"
toolConfigName="torrentwatch-xa.config"
# Initialized by config of input
toolVersion="master"
toolConfigLoc=
toolConfig=
toolHtmlLoc=
toolBackupLoc=

# 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() {
  initSeqConfig "$CONFIG_FILE_NAME" "$CONFIG_FILE_TEMPLATE"
  if [ $? -eq 0 ] ; then
    CONFIG=1
  else
    exit 1
  fi
  toolConfigLoc=`eval echo "$TWXA_CONFIG_LOC"`
  toolConfig="$toolConfigLoc/config_cache/$toolConfigName"
  toolHtmlLoc=`eval echo "$TWXA_HTML_LOC"`
  toolBackupLoc=`eval echo "$TWXA_BACKUP_LOC"`
  toolGitLoc=`eval echo "$TWXA_GIT_LOC"`
  gitLibLoc=`eval echo "$TWXA_GIT_LOC/var/lib/torrentwatch-xa"`
  gitHtmlLoc=`eval echo "$TWXA_GIT_LOC/var/www/html/torrentwatch-xa"`
  echo "        git: $toolGitLoc"
  echo "     config: $toolConfig"
  echo "       html: $toolHtmlLoc"
  echo "     backup: $toolBackupLoc"
}

step_1_info() { echo "Install $toolName [VERSION]"; }
step_1_alias() { ALIAS="install"; }
step_1() {
  shift
  if [ ! -z $1 ] ; then
    toolVersion="$1"
  fi
  echo $toolConfig
}

step_2_info() { echo "Setup git repository at $toolGitLoc [VERSION e.g. 1.4.1]"; }
step_2_alias() { ALIAS="git"; }
step_2() {
  shift
  if [ ! -e "$toolGitLoc/.git" ] ; then
    exe mkdir -p "$toolGitLoc"
    exe cd "$toolGitLoc"
    exe git clone $toolGitUrl .
  else
    exe cd "$toolGitLoc"
    exe git pull
  fi
  if [ ! -z $1 ] ; then
    toolVersion="$1"
  fi
  exe git checkout $toolVersion
}

step_20_info() { echo "Backup $toolName"; }
step_20_alias() { ALIAS="backup"; }
step_20() {
  shift
  if [ ! -e "$toolConfigLoc" ] ; then
    echoerr " [E] No installation found"
    return 1
  fi

  local buType="all"
  if [ ! -z $1 ] ; then
    buType="$1"
  fi
  local buDate=`date +%Y%m%d-%H%M%S`
  local buDir="$toolBackupLoc/$buDate"
  local buConfig="$buDir/$toolConfigName"
  local buHtmlConfig="$buDir/config.php"
  local dataBackup="$buDir/${toolName}_data_${buDate}.tar.gz"
  local htmlBackup="$buDir/${toolName}_html_${buDate}.tar.gz"

  if [ "$buType" == "all" ] || [ "$buType" == "config" ] ; then
    exe mkdir -p "$buDir"
    saveReturn $?
    exe cd "$toolConfigLoc/.."
    saveReturn $?
    exe tar czf "$dataBackup" $(basename "$toolConfigLoc")
    saveReturn $?
    exe cp -ar "$toolConfig" "$buConfig"
    saveReturn $?
    exe ln -sf "$buConfig" "$toolBackupLoc"
    saveReturn $?
  fi

  if [ "$buType" == "all" ] || [ "$buType" == "html" ] ; then
    exe mkdir -p "$buDir"
    saveReturn $?
    exe cd "$toolHtmlLoc/.."
    saveReturn $?
    exe tar czf "$htmlBackup" $(basename "$toolHtmlLoc")
    saveReturn $?
    exe cp -ar "$toolHtmlLoc/config.php" "$buHtmlConfig"
    saveReturn $?
    exe ln -sf "$buHtmlConfig" "$toolBackupLoc"
    saveReturn $?
  fi
  endReturn
}

step_30_info() { echo "Upgrade $toolName [VERSION]"; }
step_30_alias() { ALIAS="upgrade"; }
step_30() {
  shift
  if [ ! -z $1 ] ; then
    toolVersion="$1"
  fi

  #step backup
  if [ $? -ne 0 ]; then
    echoerr " [E] Backup failed. Aborting upgrade."
    return 1
  fi
  
  echo " [I] Upgrading data"
  exe mv "$toolConfigLoc/lib" "$toolConfigLoc/lib_bu"
  exe cp -ar "$gitLibLoc/lib" "$toolConfigLoc/"

  echo " [I] Upgrading html"
  exe mv "$toolHtmlLoc" "${toolHtmlLoc}_bu"
  exe cp -ar "$gitHtmlLoc" "$toolHtmlLoc"
  exe cp -arL "$toolBackupLoc/config.php" "$toolHtmlLoc"

  exe chown www-data: "$toolHtmlLoc/config.php"
  exe touch /var/log/twxalog
  exe chown www-data: /var/log/twxalog
  exe chown -R www-data: "$toolConfigLoc/*_cache"
}

VERSION_SEQREV=11
. /usr/local/bin/sequencer.sh