/*!
 * @license
 * Copyright Squiz Australia Pty Ltd. All Rights Reserved.
 */

import { AxiosError, AxiosInstance, AxiosResponse } from 'axios';
import { checkIfVersionExists } from './versionChecker';

describe('versionChecker', () => {
  let mockAxiosClient: AxiosInstance;

  beforeEach(() => {
    mockAxiosClient = {
      get: jest.fn(),
    } as any;
  });

  describe('checkIfVersionExists', () => {
    it('should return true when version exists (200 response)', async () => {
      (mockAxiosClient.get as jest.Mock).mockResolvedValue({ status: 200 } as AxiosResponse);

      const result = await checkIfVersionExists(mockAxiosClient, '/job/test/1.0.0');

      expect(result).toBe(true);
      expect(mockAxiosClient.get).toHaveBeenCalledWith('/job/test/1.0.0', { validateStatus: null });
    });

    it('should return false when version does not exist (404 response)', async () => {
      (mockAxiosClient.get as jest.Mock).mockResolvedValue({ status: 404 } as AxiosResponse);

      const result = await checkIfVersionExists(mockAxiosClient, '/job/test/1.0.0');

      expect(result).toBe(false);
    });

    it('should throw error for unexpected response status', async () => {
      (mockAxiosClient.get as jest.Mock).mockResolvedValue({
        status: 500,
        statusText: 'Internal Server Error',
        data: { message: 'Server error' },
      } as AxiosResponse);

      await expect(checkIfVersionExists(mockAxiosClient, '/job/test/1.0.0')).rejects.toThrow(
        'Unexpected response code 500. Server error',
      );
    });

    it('should handle axios errors', async () => {
      const axiosError = new AxiosError('Network error');
      Object.defineProperty(axiosError, 'isAxiosError', { value: true });
      (mockAxiosClient.get as jest.Mock).mockRejectedValue(axiosError);

      await expect(checkIfVersionExists(mockAxiosClient, '/job/test/1.0.0')).rejects.toThrow(
        'Network error (code: unknown)',
      );
    });

    it('should handle response without error message', async () => {
      (mockAxiosClient.get as jest.Mock).mockResolvedValue({
        status: 503,
        statusText: 'Service Unavailable',
        data: {},
      } as AxiosResponse);

      await expect(checkIfVersionExists(mockAxiosClient, '/job/test/1.0.0')).rejects.toThrow(
        'Service Unavailable (code: 503)',
      );
    });
  });
});