import {
  protocolFieldsToJson,
  protocolUint32,
  protocolUint32FromDb,
  protocolUint32ToDb,
  parseProtocolSequence,
} from './protocol-uint32';

describe('CMPP unsigned protocol fields', () => {
  it.each([0, 2147483647, 2147483648, 4294967295])(
    'round trips %s without changing the JSON number contract',
    (value) => {
      expect(protocolUint32FromDb(protocolUint32ToDb(value))).toBe(value);
      expect(
        JSON.parse(
          JSON.stringify(protocolFieldsToJson({ rows: [{ sequenceId: BigInt(value), ackResult: BigInt(value) }] })),
        ),
      ).toEqual({ rows: [{ sequenceId: value, ackResult: value }] });
    },
  );
  it.each([-1, 4294967296, 1.5, NaN, Infinity, '', '0', ' ', {}, true])('rejects invalid wire value %s', (value) => {
    expect(() => protocolUint32(value)).toThrow();
    expect(() => protocolUint32ToDb(value)).toThrow();
  });
  it('preserves optional historical nulls and unrelated serializers', () => {
    expect(protocolUint32ToDb(null)).toBeUndefined();
    expect(protocolUint32FromDb(null)).toBeUndefined();
    const date = new Date();
    expect(
      protocolFieldsToJson({ date, money: 10000n, sequenceId: null, gatewayMessageId: '18446744073709551615' }),
    ).toEqual({ date, money: 10000n, sequenceId: null, gatewayMessageId: '18446744073709551615' });
    expect(() => protocolUint32FromDb(4294967296n)).toThrow();
  });
  it('distinguishes text zero from missing or malformed historical sequences', () => {
    for (const value of [null, undefined, '', ' ', '-1', '1.5', '1e2', '4294967296'])
      expect(parseProtocolSequence(value)).toBeUndefined();
    expect(parseProtocolSequence('0')).toBe(0);
    expect(parseProtocolSequence('4294967295')).toBe(4294967295);
  });
});