#!/bin/sh
set -euo pipefail

WALLPAPER_DIR="$HOME/Wallpapers"

# -----------------------------
# Set wallpaper on all monitors
# -----------------------------
set_wallpaper_all_monitors() {
    pic="$1"
    monitors=$(hyprctl monitors -j | jq -r '.[].name')  # list all monitor names
    for m in $monitors; do
        awww img -o "$m" -t fade --transition-duration 1 "$pic"
    done
}

# -----------------------------
# Handle workspace events
# -----------------------------
handle() {
    case $1 in
        workspace*)
            workspace="${1: -1}"  # last character
            pic=""
            case $workspace in
                1) pic="$WALLPAPER_DIR/01.jpg" ;;
                2) pic="$WALLPAPER_DIR/02.jpg" ;;
                3) pic="$WALLPAPER_DIR/03.jpg" ;;
                4) pic="$WALLPAPER_DIR/04.jpg" ;;
                5) pic="$WALLPAPER_DIR/05.jpg" ;;
                6) pic="$WALLPAPER_DIR/06.jpg" ;;
                7) pic="$WALLPAPER_DIR/07.jpg" ;;
                8) pic="$WALLPAPER_DIR/08.jpg" ;;
                9) pic="$WALLPAPER_DIR/09.jpg" ;;
                10) pic="$WALLPAPER_DIR/10.jpg" ;;
            esac

            [ -n "$pic" ] && set_wallpaper_all_monitors "$pic"
            ;;
    esac
}

# -----------------------------
# Listen to Hyprland socket events
# -----------------------------
socat -U - UNIX-CONNECT:"$XDG_RUNTIME_DIR/hypr/$HYPRLAND_INSTANCE_SIGNATURE/.socket2.sock" | while read -r line; do
    handle "$line"
done