export type DocDuckError = { code: string; message: string };
export type DocDuckDocument = { bytes: Uint8Array; fileName: string };
export type DocDuckCreateOptions = { fileName?: string; readOnly?: boolean };
export type DocDuckLoadOptions = DocDuckDocument & { readOnly?: boolean };
export type DocDuckEvent = "ready" | "change" | "saving" | "saved" | "error" | "focusExit";
export type DocDuckEventPayload = DocDuckError | { fileName?: string; updatedAt?: string } | undefined;

export type DocDuckEditor = {
  readonly ready: Promise<void>;
  readonly frame: HTMLIFrameElement;
  createBlank(options?: DocDuckCreateOptions): Promise<{ fileName: string }>;
  load(document: DocDuckLoadOptions): Promise<{ fileName: string }>;
  export(): Promise<DocDuckDocument>;
  on(event: DocDuckEvent, callback: (payload: DocDuckEventPayload) => void): () => void;
  destroy(): void;
};

export type DocDuckSdk = {
  readonly version: 1;
  mount(options: {
    element: string | HTMLElement;
    url: string;
    timeout?: number;
  }): DocDuckEditor;
};

declare global {
  interface Window {
    DocDuck: DocDuckSdk;
  }
}