#!/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_grocyDir="/var/www/grocy"
sc_grocyConf="${sc_grocyDir}/data/config.php"
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

step_config() {
  ## or to use sequencer api with global config file:
  #initSeqConfig "$sq_configFileName" "$sq_configFileTemplate"
  #if [ $? -eq 0 ] ; then
  #  sq_config=1
  #else
  #  # End if no configuration file exists
  #  [ $DRY -eq 0 ] && return -1
  #fi

  ## Apt cmdline option to suppress user interaction
  [ $QUIET -ne 0 ] && 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:-$(grep -Po '"Version": "\K.*?(?=")' < "${sc_grocyDir}/version.json")}
}

step_20_info() { echo "Backup ${toolName}"; }
step_20_alias() { ALIAS="backup"; }
step_20() {
  local lBu="${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() { ALIAS="install"; }
step_22() {
  getVersions
  if [[ ${versionNow} == ${versionNew} ]] ; then
    endReturn -o 1 "Latest version ${versionNow} already installed"
  else
    if [ -n "${versionNow}" ] ; then
      echoseq " [I] Upgrading $toolName from ${versionNow} to ${versionNew}"
    else
      echoseq " [I] 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}"
    echoseq " [I] Please adjust the config: ${sc_grocyConf}"
  else
    echoseq " [I] Please check ${sc_grocyDir}/config-dist.php"
    echoseq "     for new configuration options"
  fi
}

step_30_alias() { ALIAS="notes"; }
step_30() {
  outColor 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
}

VERSION_SEQREV=15
. /usr/local/bin/sequencer.sh