import { HgraphContract } from '../src/contract';
const mockClient: any = {
  query: jest.fn()
};

const abi = ['event MyEvent(uint256 value)'];

const contract = new HgraphContract({ contractId: '0.0.123', abi, client: mockClient });

describe('HgraphContract.queryEvents', () => {
  it('decodes events from query results', async () => {
    const iface = contract.contract.interface;
    const fragment = iface.getEvent('MyEvent');
    const encoded = iface.encodeEventLog(fragment, [42n]);

    (mockClient.query as jest.Mock).mockResolvedValue({
      data: {
        logs: [
          {
            data: encoded.data,
            topic0: encoded.topics[0],
            topic1: encoded.topics[1] ?? null,
            topic2: encoded.topics[2] ?? null,
            topic3: encoded.topics[3] ?? null
          }
        ]
      }
    });

    const events = await contract.queryEvents();
    expect(events).toHaveLength(1);
    expect(events[0].name).toBe('MyEvent');
    expect(events[0].args?.value.toString()).toBe('42');
    expect(mockClient.query).toHaveBeenCalled();
  });
});