#!/bin/bash
# Recovery script for when Hyprland display goes black after lock/sleep.
# This resets the display pipeline without killing your session.
# Run from another TTY (Ctrl+Alt+F3).

export XDG_RUNTIME_DIR=/run/user/$(id -u)

# Find the active Hyprland instance by trying each socket until one responds
for SIG in "$XDG_RUNTIME_DIR/hypr"/*/; do
    [ -d "$SIG" ] || continue
    SIGNAME=$(basename "$SIG")
    export HYPRLAND_INSTANCE_SIGNATURE=$SIGNAME
    if hyprctl monitors >/dev/null 2>&1; then
        FOUND=1
        break
    fi
done

if [ -z "$FOUND" ]; then
    echo "Could not find active Hyprland socket. Is Hyprland running?"
    exit 1
fi

echo "Resetting display pipeline..."

pkill hyprlock 2>/dev/null
hyprctl dispatch dpms off
sleep 1
hyprctl dispatch dpms on

# Force a layer tree rebuild to clear orphaned surfaces (e.g. dim_layer)
pkill -x waybar 2>/dev/null
hyprctl dispatch exec waybar 2>/dev/null

echo "Done. Switch back to Hyprland (Ctrl+Alt+F2)."