#!/usr/bin/env bash
set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"
source "$PLUGIN_AVAILABLE_PATH/apps/functions"
source "$PLUGIN_AVAILABLE_PATH/ps/functions"

apps_rename_cmd() {
  declare desc="renames an app"
  local cmd="apps:rename"
  [[ -z $2 ]] && dokku_log_fail "Please specify an app to run the command on"
  [[ -d "$DOKKU_ROOT/$3" ]] && dokku_log_fail "Name is already taken"
  local OLD_APP="$2"
  local NEW_APP="$3"
  local OLD_CACHE_DIR="$DOKKU_ROOT/$OLD_APP/cache"

  if [[ -d "$OLD_CACHE_DIR" ]] && ! rmdir "$OLD_CACHE_DIR"; then
    docker run "$DOKKU_GLOBAL_RUN_ARGS" --rm -v "$OLD_CACHE_DIR:/cache" "dokku/$OLD_APP" chmod 777 -R /cache
  fi
  rm -rf "$OLD_CACHE_DIR"
  apps_create "$NEW_APP"
  cp -a "$DOKKU_ROOT/$OLD_APP/." "$DOKKU_ROOT/$NEW_APP"
  DOKKU_APPS_FORCE_DELETE=1 apps_destroy "$OLD_APP"
  [[ -f "$DOKKU_ROOT/$NEW_APP/URLS" ]] && sed -i -e "s/$OLD_APP/$NEW_APP/g" "$DOKKU_ROOT/$NEW_APP/URLS"
  [[ -f "$DOKKU_ROOT/$NEW_APP/VHOST" ]] && sed -i -e "s/$OLD_APP/$NEW_APP/g" "$DOKKU_ROOT/$NEW_APP/VHOST"
  [[ -f "$DOKKU_ROOT/$NEW_APP/hooks/pre-receive" ]] && sed -i -e "s/git-hook $OLD_APP/git-hook $NEW_APP/g" "$DOKKU_ROOT/$NEW_APP/hooks/pre-receive"
  ps_rebuild "$NEW_APP"
  plugn trigger post-app-rename "$OLD_APP" "$NEW_APP"
  echo "Renaming $OLD_APP to $NEW_APP... done"
}

apps_rename_cmd "$@"