import { describe, expect, it, vi } from 'vitest';
import os from 'os';
import path from 'path';
import type { RedditUsersRepository } from '../src/database/repositories.js';
import { ChatCache } from '../src/services/chat/cache.js';
import { ChatService } from '../src/services/chat/service.js';
import { MatrixClient } from '../src/services/chat/matrix/client.js';
import { createMockLogger } from './mockLogger.js';
import { authenticatedAccountAuth } from './testUtils.js';

const creds = {
  homeserver: 'https://matrix.example.test',
  accessToken: 'tok',
  userId: '@t2_me:reddit.com',
  capturedAt: Date.now(),
};

describe('ChatService direct-room repair', () => {
  it('repairs cached outbound rooms during delta sync', async () => {
    const logger = createMockLogger();
    const matrix = new MatrixClient(creds, logger, {
      minRequestIntervalMs: 0,
      fetchImpl: vi.fn(),
    });
    matrix.sync = vi.fn().mockResolvedValue({ next_batch: 'next', rooms: { join: {} } });
    matrix.repairDirectRoomMappings = vi.fn().mockResolvedValue(1);

    const users = {
      getAll: () => [{ t2Id: 't2_alice', username: 'alice' }],
      getByUsername: () => ({ t2Id: 't2_alice', username: 'alice' }),
      upsert: vi.fn(),
    } as unknown as RedditUsersRepository;

    const cache = new ChatCache(
      logger,
      path.join(os.tmpdir(), `chat-direct-repair-${Date.now()}-${Math.random()}.json`),
    );
    cache.set([{
      username: 'alice',
      roomName: 'alice',
      lastMessageTime: Date.now(),
      lastMessageSnippet: 'hello',
      isFromUs: true,
      unread: false,
      url: 'https://chat.reddit.com/room/room',
      roomId: '!room:reddit.com',
      messages: [],
    }]);

    const service = new ChatService(
      matrix,
      logger,
      undefined, undefined, undefined, undefined,
      cache,
      undefined,
      users,
      authenticatedAccountAuth,
    );

    await service.refreshTopChats();

    expect(matrix.repairDirectRoomMappings).toHaveBeenCalledWith([{
      recipientMxid: '@t2_alice:reddit.com',
      roomId: '!room:reddit.com',
    }]);
  });
});