import assert from 'node:assert/strict';
import { describe, it } from 'node:test';

import { assertPublicNpmReleaseTag, publicNpmPackageVersionToPythonVersion } from './public-npm-release-metadata.mjs';

describe('publicNpmPackageVersionToPythonVersion', () => {
  it('keeps stable public npm versions unchanged for Python wheels', () => {
    assert.equal(publicNpmPackageVersionToPythonVersion('1.2.3'), '1.2.3');
  });

  it('converts semantic-release rc versions to PEP 440 rc versions', () => {
    assert.equal(publicNpmPackageVersionToPythonVersion('0.1.0-rc.1'), '0.1.0rc1');
    assert.equal(publicNpmPackageVersionToPythonVersion('2.0.0-rc.12'), '2.0.0rc12');
  });

  it('rejects unsupported prerelease and build metadata forms', () => {
    assert.throws(
      () => publicNpmPackageVersionToPythonVersion('1.2.3-beta.1'),
      /Unsupported public npm prerelease for Python runtime version/,
    );
    assert.throws(
      () => publicNpmPackageVersionToPythonVersion('1.2.3+build.1'),
      /Unsupported public npm build metadata for Python runtime version/,
    );
  });
});

describe('assertPublicNpmReleaseTag', () => {
  it('accepts the canonical latest and next tags', () => {
    assert.equal(assertPublicNpmReleaseTag('latest'), 'latest');
    assert.equal(assertPublicNpmReleaseTag('next'), 'next');
  });

  it('accepts branch-prefixed release tags produced by branch RC publishes', () => {
    assert.equal(assertPublicNpmReleaseTag('branch-feature-foo'), 'branch-feature-foo');
    assert.equal(assertPublicNpmReleaseTag('branch-rel-1-2-3'), 'branch-rel-1-2-3');
    assert.equal(assertPublicNpmReleaseTag('branch-x'), 'branch-x');
  });

  it('rejects malformed or non-string tags', () => {
    for (const bad of ['', 'BRANCH-x', 'branch-', 'branch--foo', 'branch_foo', 'beta', null, undefined, 42]) {
      assert.throws(() => assertPublicNpmReleaseTag(bad), /Invalid public npm release tag/);
    }
  });
});