import assert from 'node:assert/strict';
import { readFileSync } from 'node:fs';
import { test } from 'node:test';
import { fileURLToPath } from 'node:url';

import {
  bumpVersion,
  compareVersions,
  createUpdateManifest,
  selectReleaseArtifact,
} from './build-release.mjs';

test('selects an explicit release artifact when configured', () => {
  const artifactPath = fileURLToPath(
    new URL('../package.json', import.meta.url),
  );
  const previous = process.env.AGC_UPDATE_ARTIFACT;
  process.env.AGC_UPDATE_ARTIFACT = artifactPath;
  try {
    assert.equal(selectReleaseArtifact([]), artifactPath);
  } finally {
    if (previous === undefined) delete process.env.AGC_UPDATE_ARTIFACT;
    else process.env.AGC_UPDATE_ARTIFACT = previous;
  }
});

test('does not select unsupported files', () => {
  assert.equal(
    selectReleaseArtifact(['/tmp/latest.json', '/tmp/readme.txt']),
    null,
  );
});

test('manifest contains version, download URL and integrity fields', () => {
  const manifest = createUpdateManifest(
    fileURLToPath(new URL('../package.json', import.meta.url)),
  );
  assert.match(manifest.version, /^\d+\.\d+\.\d+$/u);
  assert.match(
    manifest.downloadUrl,
    new RegExp(`/agc/${manifest.version}/package\\.json$`, 'u'),
  );
  assert.equal(manifest.sha256.length, 64);
  assert.equal(typeof manifest.size, 'number');
});

test('manifest preserves multiline release notes', () => {
  const previous = process.env.AGC_UPDATE_RELEASE_NOTES;
  process.env.AGC_UPDATE_RELEASE_NOTES = '第一行\n第二行\r\n第三行';
  try {
    const manifest = createUpdateManifest(
      fileURLToPath(new URL('../package.json', import.meta.url)),
    );
    assert.equal(manifest.releaseNotes, '第一行\n第二行\r\n第三行');
  } finally {
    if (previous === undefined) delete process.env.AGC_UPDATE_RELEASE_NOTES;
    else process.env.AGC_UPDATE_RELEASE_NOTES = previous;
  }
});

test('bump version follows the requested target', () => {
  assert.equal(compareVersions('0.1.15', '0.1.12'), 1);
  assert.equal(compareVersions('0.1.12', '0.1.12'), 0);
  assert.equal(bumpVersion('0.1.19', 'patch'), '0.1.20');
  assert.equal(bumpVersion('0.1.19'), '0.1.20');
  assert.equal(bumpVersion('0.1.19', 'minor'), '0.2.0');
  assert.equal(bumpVersion('0.1.19', 'major'), '1.0.0');
  assert.equal(bumpVersion('0.1.12', '0.1.25'), '0.1.25');
});

test('release upload forces overwrite for versioned artifact and latest pointer', () => {
  const source = readFileSync(
    new URL('./release-upload.mjs', import.meta.url),
    'utf8',
  );
  assert.equal(
    (source.match(/runOssutil\(\['cp', '--force'/gu) ?? []).length,
    2,
  );
});

test('release upload verifies the version is committed and not below OSS', () => {
  const source = readFileSync(
    new URL('./release-upload.mjs', import.meta.url),
    'utf8',
  );
  assert.match(source, /assertVersionCommitted\(\)/u);
  assert.match(source, /assertVersionNotBelowOss\(/u);
});