#!/usr/bin/env bash

set -o errexit  # crash the script when a command crash
set -o pipefail # same as above for piped command
set -o nounset  # crash when a variable doesnt exist

# TRACE=1 for debug
if [[ "${TRACE-0}" == "1" ]]; then
  set -o xtrace
fi

cd "$(dirname "$0")" # change script directory

main() {
  if [ $# -eq 0 ]; then
    echo "No arguments supplied"
  else
    case $1 in
      "sunset" ) # Go to dark mode
        set org.gnome.desktop.wm.preferences theme Dracula
        ;;
      "sunrise" ) # Go to light mode
        echo "Nothing to do"
        ;;
      * )
        echo "Can't interpret given argument" ;;
    esac
  fi
}

main "$@"