#!/usr/bin/env bash
set -euo pipefail

script_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
repo_root="$(cd "${script_dir}/.." && pwd)"

custom_apps_root="${NEXTCLOUD_CUSTOM_APPS_PATH:-${repo_root}/nextcloud/custom_apps}"
if [[ "${custom_apps_root}" != /* ]]; then
  custom_apps_root="${repo_root}/${custom_apps_root}"
fi

required_app="qortal_integration"
optional_apps=(
  "custom_pwa"
  "chd_admin"
  "qortal_files_bridge"
  "qortal_talk_bridge"
  "nuqloud_scrum"
)
apps_to_sync=("${required_app}" "${optional_apps[@]}")

mkdir -p "${custom_apps_root}"

sync_one_app() {
  local app_name="$1"
  local source_dir="${repo_root}/nextcloud/custom_apps/${app_name}"
  local target_dir="${custom_apps_root}/${app_name}"

  if [[ ! -d "${source_dir}" || ! -f "${source_dir}/appinfo/info.xml" ]]; then
    if [[ "${app_name}" == "${required_app}" ]]; then
      echo "Missing source ${required_app} app at ${source_dir}"
      return 1
    fi
    echo "Skipping optional app ${app_name}; source not found at ${source_dir}"
    return 0
  fi

  local source_real
  source_real="$(cd "${source_dir}" && pwd -P)"
  local target_real=""
  if [[ -d "${target_dir}" ]]; then
    target_real="$(cd "${target_dir}" && pwd -P)"
  fi

  if [[ -n "${target_real}" && "${source_real}" == "${target_real}" ]]; then
    echo "${app_name} app already mounted from source path: ${source_dir}"
    return 0
  fi

  if command -v rsync >/dev/null 2>&1; then
    rsync -a --delete "${source_dir}/" "${target_dir}/"
  else
    rm -rf "${target_dir}"
    mkdir -p "${target_dir}"
    cp -R "${source_dir}/." "${target_dir}/"
  fi

  if [[ ! -f "${target_dir}/appinfo/info.xml" ]]; then
    echo "Failed to prepare ${app_name} app at ${target_dir}"
    return 1
  fi

  echo "${app_name} app prepared at ${target_dir}"
}

for app_name in "${apps_to_sync[@]}"; do
  sync_one_app "${app_name}"
done