#!/bin/bash
# WALLPAPERS PATH
DIR=$HOME/Pictures/wallpapers

# Transition config
FPS=30
TYPE="simple"
DURATION=3
SWWW_PARAMS="--transition-fps $FPS --transition-type $TYPE --transition-duration $DURATION"

# Check if swaybg is running
if pidof swaybg > /dev/null; then
  pkill swaybg
fi

# Retrieve image files
PICS=($(ls "${DIR}" | grep -E ".jpg$|.jpeg$|.png$|.gif$"))
RANDOM_PIC="${PICS[$((RANDOM % ${#PICS[@]}))]}"
RANDOM_PIC_NAME="${#PICS[@]}. random"

# Rofi command
rofi_command="rofi -dmenu -config ~/.config/rofi/config-wallpaper.rasi"

menu() {
  for i in "${!PICS[@]}"; do
    # Displaying .gif to indicate animated images
    if [[ -z $(echo "${PICS[$i]}" | grep .gif$) ]]; then
      printf "$i. $(echo "${PICS[$i]}" | cut -d. -f1)\n"
    else
      printf "$i. ${PICS[$i]}\n"
    fi
  done

  printf "$RANDOM_PIC_NAME"
}

swww query || swww init

main() {
  choice=$(menu | ${rofi_command})

  # No choice case
  if [[ -z $choice ]]; then
    exit 0
  fi

  # Random choice case
  if [ "$choice" = "$RANDOM_PIC_NAME" ]; then
    swww img "${DIR}/${RANDOM_PIC}" $SWWW_PARAMS
    exit 0
  fi

  pic_index=$(echo "$choice" | cut -d. -f1)
  swww img "${DIR}/${PICS[$pic_index]}" $SWWW_PARAMS
}

# Check if rofi is already running
if pidof rofi > /dev/null; then
  pkill rofi
  exit 0
fi

main

$HOME/.config/hypr/scripts/PywalSwww.sh &
$HOME/.config/hypr/scripts/Refresh.sh