import assert from 'node:assert/strict';

import { appendFile } from 'node:fs/promises';

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

import { getActivePackageManager, uninstallPackage } from '../../../utils/packages';

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

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

export default async function () {

// forcibly remove in case another test doesn't clean itself up.

await uninstallPackage('@angular/localize');

// If using npm, enable the legacy-peer-deps option to allow testing the output behavior of the

// `ng add` command itself and not the behavior of npm which may otherwise fail depending

// on the npm version in use and the version specifier supplied in each test.

if (getActivePackageManager() === 'npm') {

await appendFile('.npmrc', '\nlegacy-peer-deps=true\n');

}

const tag = isPrereleaseCli() ? '@next' : '';

await ng('add', `@angular/localize${tag}`, '--skip-confirmation');

await expectFileToMatch('package.json', /@angular\/localize/);

const output1 = await ng('add', '@angular/localize', '--skip-confirmation');

assert.match(

output1.stdout,

/Skipping installation: Package already installed/,

'Installation was not skipped',

);

const output2 = await ng('add', '@angular/localize@latest', '--skip-confirmation');

assert.doesNotMatch(

output2.stdout,

/Skipping installation: Package already installed/,

'Installation should not have been skipped',

);

const output3 = await ng('add', '@angular/localize@19.1.0', '--skip-confirmation');

assert.doesNotMatch(

output3.stdout,

/Skipping installation: Package already installed/,

'Installation should not have been skipped',

);

const output4 = await ng('add', '@angular/localize@19', '--skip-confirmation');

assert.match(

output4.stdout,

/Skipping installation: Package already installed/,

'Installation was not skipped',

);

await uninstallPackage('@angular/localize');

}