#!/bin/bash

hour=$(date +"%-H")

morning=6
afternoon=12
night=19
cached=$(cat /tmp/day_cache)

if [ $hour -le $morning ]; then
  if [ ! "$cached" = "night"  ]; then
    feh --bg-fill /home/yigit/.dotfiles/backgrounds/wallpaper-shack.jpg
    echo "night" > /tmp/day_cache
  fi
elif [ $night -le $hour ]; then
  if [ ! "$cached" = "night"  ]; then
    feh --bg-fill /home/yigit/.dotfiles/backgrounds/wallpaper-shack.jpg
    echo "night" > /tmp/day_cache
  fi
elif [ $afternoon -le $hour ]; then
  if [ ! "$cached" = "afternoon"  ]; then
    feh --bg-fill /home/yigit/.dotfiles/backgrounds/wallpaper-sea.jpg
    echo "afternoon" > /tmp/day_cache
  fi
else
  if [ ! "$cached" = "morning"  ]; then
    feh --bg-fill /home/yigit/.dotfiles/backgrounds/wallpaper-mountain.jpg
    echo "morning" > /tmp/day_cache
  fi
fi