import assert from 'node:assert/strict';

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

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

import { installWorkspacePackages } from '../../../utils/packages';

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

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

const snapshots = require('../../../ng-snapshot/package.json');

export default async function () {

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

await rimraf('node_modules/@angular/pwa');

await ng('add', '@angular/pwa', '--skip-confirmation');

await expectFileToExist('public/manifest.webmanifest');

// Angular PWA doesn't install as a dependency

const { dependencies, devDependencies } = JSON.parse(await readFile('package.json'));

const hasPWADep = Object.keys({ ...dependencies, ...devDependencies }).some(

(d) => d === '@angular/pwa',

);

assert.ok(!hasPWADep, `Expected 'package.json' not to contain a dependency on '@angular/pwa'.`);

const isSnapshotBuild = getGlobalVariable('argv')['ng-snapshots'];

if (isSnapshotBuild) {

let needInstall = false;

await updateJsonFile('package.json', (packageJson) => {

const dependencies = packageJson['dependencies'];

// Iterate over all of the packages to update them to the snapshot version.

for (const [name, version] of Object.entries(snapshots.dependencies)) {

if (name in dependencies && dependencies[name] !== version) {

dependencies[name] = version;

needInstall = true;

}

}

});

if (needInstall) {

await installWorkspacePackages();

}

}

// It should generate a SW configuration file (`ngsw.json`).

const ngswPath = 'dist/test-project/browser/ngsw.json';

await ng('build');

await expectFileToExist(ngswPath);

// It should correctly generate assetGroups and include at least one URL in each group.

const ngswJson = JSON.parse(await readFile(ngswPath));

// @ts-ignore

const assetGroups: any[] = ngswJson.assetGroups.map(({ name, urls }) => ({

name,

urlCount: urls.length,

}));

const emptyAssetGroups = assetGroups.filter(({ urlCount }) => urlCount === 0);

assert.ok(assetGroups.length > 0, "Expected 'ngsw.json' to contain at least one asset-group.");

assert.ok(

emptyAssetGroups.length === 0,

'Expected all asset-groups to contain at least one URL, but the following groups are empty: ' +

emptyAssetGroups.map(({ name }) => name).join(', '),

);

}