#!/usr/bin/env bash

Wallpaper_DIR="/home/smayzy/wallpaper"
LOCKFILE="/tmp/wallpaper_changer.lock"
MONITOR=$(hyprctl monitors | awk '/Monitor/ {print $2; exit}')

if [ -f "$LOCKFILE" ]; then
    old_pid=$(cat "$LOCKFILE")
    if ps -p "$old_pid" > /dev/null 2>&1; then
        kill "$old_pid"
    fi
fi

echo $$ > "$LOCKFILE"

set_wallpaper() {
    local Wallpaper=$(find $Wallpaper_DIR | shuf -n 1)
    
    > /home/smayzy/.config/hypr/hyprpaper.conf

    echo "preload = $Wallpaper" >> /home/smayzy/.config/hypr/hyprpaper.conf
    echo "wallpaper = $MONITOR,$Wallpaper" >> /home/smayzy/.config/hypr/hyprpaper.conf

    pkill hyprpaper 2>/dev/null
    hyprpaper &
}

trap "rm -f $LOCKFILE" EXIT

while true; do
    set_wallpaper
    sleep 600
done