export const CANVAS_IMAGE_TASK_QUEUE_CONFIG_KEY = "canvas_image_task_queue_config";

// Zero means unrestricted. Legacy DB/environment caps must not re-enable queueing.
export const MIN_CANVAS_IMAGE_TASK_CONCURRENCY = 0;
export const DEFAULT_CANVAS_IMAGE_TASK_CONCURRENCY = 0;
export const MAX_CANVAS_IMAGE_TASK_CONCURRENCY = 0;
export const MIN_CANVAS_IMAGE_BATCH_DISPATCH_INTERVAL_MS = 0;
export const DEFAULT_CANVAS_IMAGE_BATCH_DISPATCH_INTERVAL_MS = 0;
export const MAX_CANVAS_IMAGE_BATCH_DISPATCH_INTERVAL_MS = 0;

export interface CanvasImageTaskQueueConfig {
  concurrency: number;
  batchDispatchIntervalMs: number;
}

export function normalizeCanvasImageTaskQueueConfig(
  _value: unknown,
  _options?: { envConcurrency?: unknown; envBatchDispatchIntervalMs?: unknown },
): CanvasImageTaskQueueConfig {
  return { concurrency: 0, batchDispatchIntervalMs: 0 };
}