#!/usr/bin/env bash
if [ -z "${BASH_IT}" ];
then
  BASH_IT="${HOME}/.bash_it"
fi

case $OSTYPE in
  darwin*)
    CONFIG_FILE=".bash_profile"
    ;;
  *)
    CONFIG_FILE=".bashrc"
    ;;
esac

BACKUP_FILE="${CONFIG_FILE}.bak"

if [ ! -e "${HOME}/${BACKUP_FILE}" ] 
     then
  echo -e "\033[0;33mBackup file ${HOME}/$BACKUP_FILE not found.\033[0m" >&2

  test -w "${HOME}/${CONFIG_FILE}" &&
    mv "${HOME}/${CONFIG_FILE}" "${HOME}/${CONFIG_FILE}.uninstall" &&
    echo -e "\033[0;32mMoved your ${HOME}/$CONFIG_FILE to ${HOME}/${CONFIG_FILE}.uninstall.\033[0m"
else
  test -w "${HOME}/${BACKUP_FILE}" &&
    cp -a "${HOME}/${BACKUP_FILE}" "${HOME}/${CONFIG_FILE}" &&
    rm "${HOME}/${BACKUP_FILE}" &&
    echo -e "\033[0;32mYour original ${CONFIG_FILE} has been restored.\033[0m"
fi

echo ""
echo -e "\033[0;32mUninstallation finished successfully! Sorry to see you go!\033[0m"
echo ""
echo "Final steps to complete the uninstallation:"
echo "  -> Remove the ${BASH_IT } folder"
echo "  -> Open a new shell/tab/terminal"