import { describe, it, expect, beforeEach, afterAll } from 'vitest';
import { mkdirSync, readdirSync, readFileSync, rmSync, writeFileSync } from 'fs';

import path from 'path';
import { scaffoldHaibun } from './scaffold.js';
import { workspaceRoot } from '@haibun/core/build/lib/util/workspace-lib.js';

const TMPDIR = '/tmp/haibun-scaffold-test/';
const out = () => undefined;

beforeEach(() => {
	rmSync(TMPDIR, { recursive: true, force: true });
	mkdirSync(TMPDIR);
});
afterAll(() => {
	rmSync(TMPDIR, { recursive: true, force: true });
});

describe('scaffold', () => {
	it('throws for empty directory', async () => {
		await (expect(async () => await scaffoldHaibun(TMPDIR, { out, noPrompt: true })).rejects.toThrow());
	});
	it('creates from basic', async () => {
		const haibunPackage = JSON.parse(readFileSync(path.join(workspaceRoot, 'package.json'), 'utf-8'));
		writeFileSync(`${TMPDIR}/package.json`, JSON.stringify({ name: 'test' }));
		await scaffoldHaibun(TMPDIR, { out, noPrompt: true });
		const pkg = JSON.parse(readFileSync(`${TMPDIR}/package.json`, 'utf-8'));
		expect(readdirSync(TMPDIR).sort()).toEqual(
			['package.json', 'src', 'tsconfig.json', 'jest.config.js', '.eslintrc', '.prettierrc'].sort()
		);
		expect(pkg.dependencies['@haibun/core']).toBeDefined();
		expect(pkg.devDependencies.jest).toEqual(haibunPackage.devDependencies.jest);
		expect(readdirSync(path.join(TMPDIR, 'src'))).toEqual(['lib', 'test-stepper.test.ts', 'test-stepper.ts']);
		expect(readdirSync(path.join(TMPDIR, 'src/lib'))).toEqual(['test.test.ts', 'test.ts']);
	});
});