#!/bin/bash

# Sets the specified image as the current background

if [[ -z $1 ]]; then
    echo "Usage: station-bg-set <path-to-image>" >&2
    exit 1
fi

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

# Create symlink to the new background
ln -nsf "$BACKGROUND" "$CURRENT_BACKGROUND_LINK"

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=$(hyprctl monitors -j | jq -r '.[0].name')
    second_mon=$(hyprctl monitors -j | jq -r '.[1].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