#!/usr/bin/env bash

shopt -s extglob

readonly toolName=grocy
readonly downUrl="https://releases.grocy.info/latest"
readonly versionUrl="https://api.github.com/repos/grocy/grocy/releases/latest"

versionNew=
versionNow=
  
sc_grocyConf=
sc_grocyBackup="data/backup"
sc_grocyViewcache="data/viewcache"

grocyDownLoc="/tmp/grocy_latest.zip"

# Get script working directory
# (when called from a different directory and even when called via symlink)
readonly sq_dir="$(cd "$(dirname -- "$(realpath ${BASH_SOURCE[0]})")" >>/dev/null 2>&1 && pwd)"
readonly sq_scriptFile=$(basename -- $0)
readonly sq_scriptName=${sq_scriptFile%%.*}
readonly sq_configFileName="${sq_scriptName}.cfg"
readonly sq_configFileTemplate="$sq_dir/${sq_configFileName}.example"
sq_aptOpt=
sq_config=0

seq_config() {
  initSeqConfig -p "$sq_scriptName" "$sq_configFileTemplate"
  if [ $? -eq 0 ] ; then
    sq_config=1
  else
    # End if no configuration file exists
    dry || return -1
  fi

  # config not sourced if only profiles should be listed
  sc_grocyConf="${sc_grocyDir:-}/data/config.php"

  ## Apt cmdline option to suppress user interaction
  quiet && sq_aptOpt="-y"

  ## Return of non zero value will abort the sequence
  return 0
}

getVersions() {
  versionNew=${versionNew:-$(curl --silent "$versionUrl" | grep -Po '"tag_name": "v\K.*?(?=")')}
  versionNow=${versionNow:-$(grep -Po '"Version": "\K.*?(?=")' 2>/dev/null < "${sc_grocyDir}/version.json")}
}

step_1_info() { 
  echo "Check $toolName status"
  echoinfo "Returns 1 if update is available"
}
step_1_alias() { echo "status"; }
step_1() {
  getVersions
  if [ -e "${sc_grocyDir}" ] ; then
    echo
    echo    "$toolName installed"
    echo    "      at: ${sc_grocyDir}"
    echo    " version: ${versionNow}"
    echo    "  config: ${sc_grocyConf}"
    echo -n "  update: "
    if [[ ! ${versionNow} = ${versionNew} ]] ; then
      echo "available: ${versionNew}}"
      return 1
    else
      echo "already on latest"
      return 0
    fi
  else
    echo "$toolName not installed"
    echo "Version ${versionNew} available for installation"
    return 1
  fi
}

step_20_info() { echo "Backup ${toolName}"; }
step_20_alias() { echo "backup"; }
step_20() {
  local lBu="${sc_grocyDir}/${sc_grocyBackup}/${toolName}_$(date +%Y%m%d-%H%M%S).tgz"
  exe cd ${sc_grocyDir}/..
  exe tar \
    --exclude="${sc_grocyBackup}/*" \
    --exclude="${sc_grocyViewcache}/*" \
    -czf "${lBu}" \
    "$(basename "${sc_grocyDir}")"
}

step_22_info() { echo "Install/upgrade ${toolName}"; }
step_22_alias() { echo "install"; }
step_22() {
  getVersions
  if [[ ${versionNow} == ${versionNew} ]] ; then
    endReturn -o 1 "Latest version ${versionNow} already installed"
  else
    if [ -n "${versionNow}" ] ; then
      info "Upgrading $toolName from ${versionNow} to ${versionNew}"
    else
      info "Installing $toolName version ${versionNew}"
    fi
  fi
  exe wget ${downUrl} -q -O "${grocyDownLoc}"
  endReturn -o $? "Download failed"
  if [ -e "${sc_grocyDir}" ] ; then
    step backup
    exe rm -rf "${sc_grocyDir}/${sc_grocyViewcache}"
  fi
  exe rm -rf "${sc_grocyDir}/"!(data)
  exe unzip -o -qq "${grocyDownLoc}" -d "${sc_grocyDir}"
  exe chown -R www-data: "${sc_grocyDir}/public" "${sc_grocyDir}/data"
  # Populate first config
  if [ ! -e "${sc_grocyConf}" ] ; then
    exe cp "${sc_grocyDir}/config-dist.php" "${sc_grocyConf}"
    info "Please adjust the config: ${sc_grocyConf}"
  else
    info "Please check ${sc_grocyDir}/config-dist.php"
    info "     for new configuration options"
  fi
}

step_30_alias() { echo "notes"; }
step_30() {
  color green
  cat <<NOTES_END
# Behind reverse proxy as subfolder

* Install in the root of a nginx server (e.g. localhost:8080)
* Proxy pass from a subdirectory (e.g. domain.me/grocy)
* [data/config.php]
  Setting('BASE_PATH', '');
  Setting('BASE_URL', 'https://domain.me/grocy');  

# Nginx config
server {
  listen 8080;

  root /var/www/grocy/public;

  index index.php;

  #access_log /var/log/nginx/grocy.access.log;
  error_log /var/log/nginx/grocy.error.log;

  location ~ ^.+?\.php(/.*)?\$ {

    fastcgi_pass unix:/var/run/php/php8.0-fpm.sock;
    fastcgi_split_path_info ^(.+\.php)(/.*)\$;

    set \$path_info \$fastcgi_path_info;
    fastcgi_param PATH_INFO \$path_info;
    include fastcgi_params;
    fastcgi_param SCRIPT_FILENAME \$document_root\$fastcgi_script_name;
  }

  location / {
    try_files \$uri /index.php\$is_args\$query_string;
  }
}

NOTES_END
}

readonly sqr_minVersion=16
. /usr/local/bin/sequencer.sh