#!/bin/bash

###################################################################### 
#Copyright (C) 2018  Kris Occhipinti
#https://filmsbykris.com

#Display Days until Christmas Version #2

#This program is free software: you can redistribute it and/or modify

#it under the terms of the GNU General Public License as published by
#the Free Software Foundation, either version 3 of the License, or
#(at your option) any later version.

#This program is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of

#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

#GNU General Public License for more details.

#You should have received a copy of the GNU General Public License
#along with this program.  If not, see <http://www.gnu.org/licenses/>.
###################################################################### 


#check if user wants to use toilet

#toilet needs to be installed
#sudo apt install toilet
if [ "$1" = "toilet" ]
then
  toilet=true

fi

function main(){
  clear
  echo "Calculating Days Until Christmas..."
  sleep 1
  while [ 1 ]
  do 
    clear;
    getTime
    pr_output
    sleep 1;
  done

  exit 0
}

function pr_output(){
  if [ $toilet ]
  then
    toilet --filter metal -f smblock "$output" --filter border:metal
  else
    echo "$output"
  fi  
}

function getTime(){
    #removed year from christmas date to get this years christmas
    seconds="$(($(date --date "12/25" +%s) - $(date +%s)))";
    output="$(printf "%02d Days %02d Hours %02d Minutes and %02d Seconds Until Christmas\n"\
      "$((seconds/86400))" "$((seconds/3600%24))" "$((seconds/60%60))" "$((seconds%60))")"
}


main