import { MeiliSearch } from 'meilisearch';

export { MeiliSearch } from 'meilisearch';

export interface MeiliDocument {
  id: string;              // DB Message.id
  content: string;
  senderName: string;      // empty string when null
  sourceGroupId: string;
  sourceGroupName: string;
  tags: string[];
  platform: string;
  approvedAt: number;      // Unix ms — Meilisearch sorts numbers, not ISO strings
}

export const MESSAGES_INDEX = 'tower-messages';

export function createMeiliClient(url: string, masterKey: string): MeiliSearch {
  return new MeiliSearch({ host: url, apiKey: masterKey });
}

export async function configureIndex(client: MeiliSearch): Promise<void> {
  await client.index(MESSAGES_INDEX).updateSettings({
    searchableAttributes: ['content', 'senderName', 'sourceGroupName'],
    filterableAttributes: ['sourceGroupId', 'tags', 'platform'],
    sortableAttributes: ['approvedAt'],
  });
}

export async function indexMessage(client: MeiliSearch, doc: MeiliDocument): Promise<void> {
  await client.index(MESSAGES_INDEX).addDocuments([doc]);
}

export async function deleteMessage(client: MeiliSearch, id: string): Promise<void> {
  await client.index(MESSAGES_INDEX).deleteDocument(id);
}