import assert from 'node:assert/strict';

import { writeFile, stat, mkdir, symlink, utimes } from 'node:fs/promises';

import { expectFileToExist, expectFileToMatch } from '../../utils/fs';

import { ng } from '../../utils/process';

import { updateJsonFile } from '../../utils/project';

import { expectToFail } from '../../utils/utils';

import { getGlobalVariable } from '../../utils/env';

export default async function () {

// Update the atime and mtime of the original file.

// Note: Node.js has different time precision, which may cause mtime-based tests to fail.

// Ensure both values are rounded to the same precision for consistency.

// Example:

// Original: '1742973507738.0234'

// Node.js CP: '1742973507737.999'

const { atime, mtime } = await stat('public/favicon.ico');

await utimes('public/favicon.ico', atime, mtime);

await writeFile('public/.file', '');

await writeFile('public/test.abc', 'hello world');

await ng('build', '--configuration=development');

await expectFileToExist('dist/test-project/browser/favicon.ico');

await expectFileToExist('dist/test-project/browser/.file');

await expectFileToMatch('dist/test-project/browser/test.abc', 'hello world');

await expectToFail(() => expectFileToExist('dist/test-project/browser/.gitkeep'));

// Timestamp preservation only supported with application build system on Node.js v22+

if (getGlobalVariable('argv')['esbuild']) {

const [originalStats, outputStats] = await Promise.all([

stat('public/favicon.ico'),

stat('dist/test-project/browser/favicon.ico'),

]);

assert.equal(

originalStats.mtimeMs,

outputStats.mtimeMs,

'Asset file modified timestamp should be preserved.',

);

}

// Ensure `followSymlinks` option follows symlinks

await updateJsonFile('angular.json', (workspaceJson) => {

const appArchitect = workspaceJson.projects['test-project'].architect;

appArchitect['build'].options.assets = [

{ glob: '**/*', input: 'public', followSymlinks: true },

];

});

await mkdir('dirToSymlink/subdir1', { recursive: true });

await mkdir('dirToSymlink/subdir2/subsubdir1', { recursive: true });

await symlink(process.cwd() + '/dirToSymlink', 'public/symlinkDir');

await Promise.all([

writeFile('dirToSymlink/a.txt', ''),

writeFile('dirToSymlink/subdir1/b.txt', ''),

writeFile('dirToSymlink/subdir2/c.txt', ''),

writeFile('dirToSymlink/subdir2/subsubdir1/d.txt', ''),

]);

await ng('build', '--configuration=development');

await expectFileToExist('dist/test-project/browser/symlinkDir/a.txt');

await expectFileToExist('dist/test-project/browser/symlinkDir/subdir1/b.txt');

await expectFileToExist('dist/test-project/browser/symlinkDir/subdir2/c.txt');

await expectFileToExist('dist/test-project/browser/symlinkDir/subdir2/subsubdir1/d.txt');

}