/** Models a browser host can expose to the cluster. Add entries as new workers are wired up. */
export interface ClusterModelDefinition {
  id: string;
  label: string;
  description: string;
  /** When false, the host UI shows the option but cannot start hosting yet. */
  implemented: boolean;
}

export const CLUSTER_MODELS: readonly ClusterModelDefinition[] = [
  {
    id: 'rfdetr-medium',
    label: 'Object detection',
    description: 'RF-DETR Medium (COCO) on WebGPU',
    implemented: true,
  },
  {
    id: 'smolvlm-500m',
    label: 'Video description',
    description: 'SmolVLM-500M-Instruct vision-language model on WebGPU',
    implemented: true,
  },
] as const;

export const OBJECT_DETECTION_MODEL_ID = 'rfdetr-medium';
export const VIDEO_DESCRIPTION_MODEL_ID = 'smolvlm-500m';

export const DEFAULT_CLUSTER_MODEL_ID = CLUSTER_MODELS[0].id;

export function getClusterModel(id: string): ClusterModelDefinition | undefined {
  return CLUSTER_MODELS.find((model) => model.id === id);
}

export function isValidClusterModelId(id: string): boolean {
  return CLUSTER_MODELS.some((model) => model.id === id);
}

export function isImplementedClusterModel(id: string): boolean {
  const model = getClusterModel(id);
  return Boolean(model?.implemented);
}