type ProcessEvent = { type: string, phase: string, command?: string };

type ProcessEventCallback = (event: ProcessEvent) => void;

type ErrorEventCallback = (event: Error) => void;

type SuccessEvent = { contentType: string, content: unknown };

type SuccessEventCallback = (event: SuccessEvent) => void;

export interface SummarizerEventEmitter extends NodeJS.EventEmitter {
  process(): void;
  on(eventType: 'process', callback: ProcessEventCallback): this;
  on(eventType: 'error', callback: ErrorEventCallback): this;
  on(eventType: 'success', callback: SuccessEventCallback): this;
  on(eventType: 'end', callback: () => void): this;
}

export interface CreateBaseSummarizerParams {
  url: string;
  language?: string;
  country?: string;
  openaiApiKey: string;
  openaiOrganizationId?: string;
}