#!/usr/bin/env bash

WALLPAPER_DIR="$HOME/Pictures/Wallpapers/current/"
INTRO_DIR="$HOME/Pictures/Wallpapers/intro/"
DELAY=5m

intro() {
  if [ -z "$(ls -A "$WALLPAPER_DIR")" ]; then
    echo "Current wallpaper folder is empty, nothing to do"
    sleep 1
    exit 0
  fi

  WALLPAPER=$(find "$INTRO_DIR" -type l | shuf -n 1)
  
  while true; do

    if hyprctl hyprpaper reload ,"$WALLPAPER"; then
      sleep 1.5
      break
    fi

    sleep 0.1

  done

}

random_wallpaper() {
  # Check if folder is not empty
  if [ -z "$(ls -A "$WALLPAPER_DIR")" ]; then
    echo "Current wallpaper folder is empty, nothing to do"
    exit 0
  fi

  CURRENT_WALL=$(hyprctl hyprpaper listloaded)

  # Get a random wallpaper that is not the current one
  WALLPAPER=$(find "$WALLPAPER_DIR" -type l ! -name "$(basename "$CURRENT_WALL")" | shuf -n 1)

  # Apply the selected wallpaper
  hyprctl hyprpaper reload $1,"$WALLPAPER"

  if [ $? -ne 0 ]; then
      echo "The previous command failed."
      # Handle the error here
      hyprpaper &
      sleep 1
      hyprctl hyprpaper reload ,"$WALLPAPER"
  fi

  echo "Set random wallpaper to $WALLPAPER"
  sleep 5
}

loop() {
  while true; do
    hyprctl hyprpaper listactive
    if [ $? == 0 ]; then
      break
    fi
    sleep 1
  done
  while true; do
    hyprctl hyprpaper unload all
    # TODO: get monitors dynamically
    random_wallpaper "eDP-1"
    random_wallpaper "HDMI-A-1"
    sleep "$DELAY"
  done
}

loop