import type { AgendaContext, Topic, HistoryEntry, Rating, ImageBlob, Page, Notebook, PageNotebook } from './types.js';

export interface SyncChanges {
  contexts: AgendaContext[];
  topics: Topic[];
  historyEntries: HistoryEntry[];
  ratings: Rating[];
  imageBlobs: ImageBlob[];
  pages: Page[];
  notebooks: Notebook[];
  pageNotebooks: PageNotebook[];
}

export interface SyncPushRequest {
  changes: SyncChanges;
}

export interface SyncConflict {
  entityType: string;
  entityId: string;
  clientVersion: number;
  serverVersion: number;
}

export interface SyncPushResponse {
  accepted: number;
  conflicts: SyncConflict[];
  serverTimestamp: string;
}

export interface SyncPullRequest {
  since: string; // ISO timestamp, "" = full pull
}

export interface SyncPullResponse {
  changes: SyncChanges;
  serverTimestamp: string;
}