inkos/packages/studio/src/pages/chat-page-state.ts

export interface ChatPageModelInfo {
  readonly id: string;
  readonly name?: string;
}

export interface ChatPageModelGroup {
  readonly service: string;
  readonly label: string;
  readonly models: ReadonlyArray<ChatPageModelInfo>;
}

export function shouldUseFreshBookCreateSession(activeBookId?: string): boolean {
  return !activeBookId;
}

export function filterModelGroups(
  groupedModels: ReadonlyArray<ChatPageModelGroup>,
  search: string,
): ReadonlyArray<ChatPageModelGroup> {
  const query = search.trim().toLowerCase();
  if (!query) return groupedModels;

  return groupedModels
    .map((group) => ({
      ...group,
      models: group.models.filter((model) =>
        (model.name ?? model.id).toLowerCase().includes(query)
        || group.label.toLowerCase().includes(query),
      ),
    }))
    .filter((group) => group.models.length > 0);
}