// Copyright (c) 2026 Storm Dragon
// Authors: Storm Dragon, Angus Kola
// SPDX-License-Identifier: GPL-3.0-or-later

package atspi

import (
	"context"
	"time"
)

// A successful ScrollTo can precede the browser's visibility/geometry update.
// Retry missing geometry on the calling worker, leaving the native event owner
// free to process those updates. Unsupported geometry gets at most 50ms of
// extra waiting; native calls remain bounded by the caller's context.
func retryDocumentSoundGeometry(ctx context.Context, linked bool, capture func(context.Context) ([2]SoundGeometry, error)) ([2]SoundGeometry, error) {
	for attempt := 0; ; attempt++ {
		if err := ctx.Err(); err != nil {
			return [2]SoundGeometry{}, err
		}
		geometry, err := capture(ctx)
		if err != nil {
			return [2]SoundGeometry{}, err
		}
		ready := geometry[0].ObjectKnown && geometry[0].ReferenceKnown
		if linked {
			ready = ready && geometry[1].ObjectKnown && geometry[1].ReferenceKnown
		}
		if ready || attempt == 5 {
			return geometry, nil
		}
		timer := time.NewTimer(10 * time.Millisecond)
		select {
		case <-ctx.Done():
			timer.Stop()
			return [2]SoundGeometry{}, ctx.Err()
		case <-timer.C:
		}
	}
}