#!/bin/bash

# Sets the specified image as the current background

BACKGROUND="$1"
CURRENT_BACKGROUND_LINK="$HOME/.local/state/station/background"

if [[ -f $BACKGROUND ]]; then
    # Create symlink to the new background
    ln -nsf "$BACKGROUND" "$CURRENT_BACKGROUND_LINK"
fi

wal -i "$CURRENT_BACKGROUND_LINK"

# Kill existing swaybg and start new one
pkill -x swaybg

if [[ $(hyprctl monitors -j | jq 'length') -eq 2 ]]; then
    station-bg-split "$CURRENT_BACKGROUND_LINK" "/tmp/bg"
    first_mon=$(hyprctl monitors -j | jq -r 'map(select(.x == 0)) | .[0].name')
    second_mon=$(hyprctl monitors -j | jq -r 'map(select(.x > 0)) | .[0].name')
    setsid uwsm-app -- swaybg -o "$first_mon" -i /tmp/bg/background_left -m fill >/dev/null 2>&1 &
    setsid uwsm-app -- swaybg -o "$second_mon" -i /tmp/bg/background_right -m fill >/dev/null 2>&1 &
else
    setsid uwsm-app -- swaybg -i "$CURRENT_BACKGROUND_LINK" -m fill >/dev/null 2>&1 &
fi