import { DyNTS_ServerStatusSnapshot_ControlService } from './server-status-snapshot.control-service';
import { DyFM_ServerStatus } from '@futdevpro/fsm-dynamo';

class TestServerStatus extends DyFM_ServerStatus {
  constructor(set?: Partial<TestServerStatus>) {
    super();
    Object.assign(this, set);
  }
}

class TestServerStatusSnapshotControlService extends DyNTS_ServerStatusSnapshot_ControlService<TestServerStatus> {
  async saveSnapshot(snapshot: TestServerStatus, issuer: string): Promise<TestServerStatus> {
    return snapshot;
  }

  static getInstance(): TestServerStatusSnapshotControlService {
    return (TestServerStatusSnapshotControlService as any).getSingletonInstance();
  }
}

describe('| DyNTS_ServerStatusSnapshot_ControlService', () => {
  let service: TestServerStatusSnapshotControlService;

  beforeEach(() => {
    service = new TestServerStatusSnapshotControlService();
  });

  describe('| constructor', () => {
    it('| should create instance', () => {
      expect(service).toBeDefined();
      expect(service).toBeInstanceOf(TestServerStatusSnapshotControlService);
    });
  });

  describe('| saveSnapshot', () => {
    it('| should save snapshot', async () => {
      const snapshot: TestServerStatus = new TestServerStatus({
        status: 'ready',
        systemName: 'Test System',
      });

      const result = await service.saveSnapshot(snapshot, 'test-issuer');

      expect(result).toBeDefined();
      expect(result.status).toBe('ready');
      expect(result.systemName).toBe('Test System');
    });

    it('| should handle snapshot with all properties', async () => {
      const snapshot: TestServerStatus = new TestServerStatus({
        status: 'ready',
        systemName: 'Test System',
        systemShortCode: 'TEST',
        uptime: 1000,
        memoryUsage: process.memoryUsage(),
        cpuUsage: process.cpuUsage(),
      });

      const result = await service.saveSnapshot(snapshot, 'test-issuer');

      expect(result).toBeDefined();
      expect(result.status).toBe('ready');
      expect(result.systemName).toBe('Test System');
      expect(result.systemShortCode).toBe('TEST');
      expect(result.uptime).toBe(1000);
    });
  });
});