#!/usr/bin/env bash

THIS="$(dirname "$(readlink -fm "$0")")"
SERVER=false
DELETE=false
MOVE=false

_arguments() {
  for PARM in "$@"; do
    if [ "${PARM}" = "--server" ]; then
      SERVER=true
    elif [ "${PARM}" = "--delete" ]; then
      DELETE=true
    elif [ "${PARM}" = "--move" ]; then
      MOVE=true
    elif [ "${PARM}" = "-h" ] || [ "${PARM}" = "--help" ]; then
      _help
      exit 0
    fi
  done
}

_help() {
  echo "Usage: $(readlink -fm "$0") [-h | --help] [--cleanup]"
  echo
  echo "Options:"
  echo "  -h | --help"
  echo "    Prints this help message and quits"
  echo "  --force"
  echo "    Force the reinstallation of the files"
  echo "  --delete"
  echo "    Delete the reference in ~/.bashrc"
  echo "  --move"
  echo "    Create a new reference if the location of this folder has been changed"
  echo "  --server"
  echo "    Customizes the terminal feel for a server installation"
  echo
}

_delete() {
  sed -i '/REF:bashrc_overrides:REF/{N;d}' ~/.bashrc
}

_bashrc_ref() {
  echo "#REF:bashrc_overrides:REF" >> ~/.bashrc
  echo ". ${THIS}/bashrc_overrides/_all" >> ~/.bashrc
}

_move() {
  _delete
  _bashrc_ref
}

_main() {
  _arguments "$@"

  if [ "${DELETE}" = true ]; then
    _delete
  elif [ "${MOVE}" = true ]; then
    _move
  elif [ ! -z "$(grep "#REF:bashrc_overrides:REF" ~/.bashrc)" ]; then
    echo "bash overrides already in place"
    echo "skipping..."
    echo
  else
    _bashrc_ref
    echo "bash overrides added"
    echo
  fi

  if [ "${SERVER}" = true ]; then
    sed -i 's/terminal_fancyfying/terminal_fancyfying_server/' ${THIS}/bashrc_overrides/_all
  else
    sed -i 's/terminal_fancyfying_server/terminal_fancyfying/' ${THIS}/bashrc_overrides/_all
  fi
}

_main "$@"