#!/usr/bin/env bash
cd "${HOME}/.dotfiles" || (
 echo ":: Error: Can't cd into ${HOME}/.dotfiles"
 exit 1
)

# Define updater version
LOCAL_UPDATER_VERSION=4

case "${STAGE}" in
 1)
  # 0 - 2 -> 3
  if [ -z "${UPDATER_VERSION}" ] || [ "${UPDATER_VERSION}" -lt "3" ]; then
   echo ":: S1 | Updating to UPDATER_VERSION 3"
   ./uninstall.sh --remove-legacy-paths
  fi
  
  # 3 -> 4
  if [ "${UPDATER_VERSION}" -lt "4" ]; then
   echo ":: S1 | Updating to UPDATER_VERSION 4"
   ./uninstall.sh --remove-unshared-bashrcd
  fi
  
  
  echo ":: S1 | Uninstalling"
  ./uninstall.sh
  
  echo ":: S1 | Installing"
  ./install.sh
  
  # Remove legacy updater version file
  [[ -f "${HOME}/.config/.jstm_dotfiles_updater" ]] && rm -rf "${HOME}/.config/.jstm_dotfiles_updater"
  
  echo ":: S1 | Update complete."
  echo "        Make sure to execute \"dotfiles-install-software\""
  echo "        to install/update required software."
  echo "        Append \"--gui\" to install required GUI stuff."
  
  ;;
 *)
  echo ":: Checking for updates"
  
  if [ ! "${1}" == "--force" ] && [ "$(env SCRIPTED=true dotfiles-updatechecker)" == "" ]; then
   echo ":: No update is available. Use \"--force\" to update anyway."
   exit 1
  fi
  
  echo ":: S0 | Uninstalling"
  ./uninstall.sh
  
  echo ":: S0 | Pulling updates"
  git pull
  
  exec env STAGE=1 UPDATER_VERSION=${LOCAL_UPDATER_VERSION} "${HOME}/.dotfiles/bin/updater"
  
  ;;
esac