import { describe } from 'vitest';
import { OperatingSystem } from '@/domain/OperatingSystem';
import { convertPlatformToOs } from '@/presentation/electron/preload/NodeOsMapper';
import { formatAssertionMessage } from '@tests/shared/FormatAssertionMessage';

describe('NodeOsMapper', () => {
  describe('convertPlatformToOs', () => {
    describe('determines desktop OS', () => {
      // arrange
      interface IDesktopTestCase {
        readonly nodePlatform: NodeJS.Platform;
        readonly expectedOs: ReturnType<typeof convertPlatformToOs>;
      }
      const testScenarios: readonly IDesktopTestCase[] = [ // https://nodejs.org/api/process.html#process_process_platform
        {
          nodePlatform: 'aix',
          expectedOs: undefined,
        },
        {
          nodePlatform: 'darwin',
          expectedOs: OperatingSystem.macOS,
        },
        {
          nodePlatform: 'freebsd',
          expectedOs: undefined,
        },
        {
          nodePlatform: 'linux',
          expectedOs: OperatingSystem.Linux,
        },
        {
          nodePlatform: 'openbsd',
          expectedOs: undefined,
        },
        {
          nodePlatform: 'sunos',
          expectedOs: undefined,
        },
        {
          nodePlatform: 'win32',
          expectedOs: OperatingSystem.Windows,
        },
      ];
      testScenarios.forEach(({ nodePlatform, expectedOs }) => {
        it(nodePlatform, () => {
          // act
          const actualOs = convertPlatformToOs(nodePlatform);
          // assert
          expect(actualOs).to.equal(expectedOs, formatAssertionMessage([
            `Expected: "${printResult(expectedOs)}"\n`,
            `Actual: "${printResult(actualOs)}"\n`,
            `Platform: "${nodePlatform}"`,
          ]));
          function printResult(os: ReturnType<typeof convertPlatformToOs>): string {
            return os === undefined ? 'undefined' : OperatingSystem[os];
          }
        });
      });
    });
  });
});