import { test } from 'node:test';
import assert from 'node:assert/strict';
import { join, sep } from 'node:path';
import { writeFileSync, mkdirSync } from 'node:fs';
import { makeTempMonorepo, makeGameProject, cleanup } from './helpers.mjs';
import { readCreatorVersion, listGameProjects, BUILD_WORKSPACE, GAMES_DIR } from '../lib/paths.mjs';

test('readCreatorVersion 读取 package.json 的 creator.version', () => {
  const mono = makeTempMonorepo();
  try {
    assert.equal(readCreatorVersion(mono.host), '3.8.8');
  } finally {
    cleanup(mono.root);
  }
});

test('readCreatorVersion 缺字段返回 null', () => {
  const mono = makeTempMonorepo();
  try {
    const dir = makeGameProject(mono.games, 'nover');
    // 覆写成无 creator 字段
    writeFileSync(join(dir, 'package.json'), JSON.stringify({ name: 'nover' }));
    assert.equal(readCreatorVersion(dir), null);
  } finally {
    cleanup(mono.root);
  }
});

test('listGameProjects 只列出含 package.json 的子目录', () => {
  const mono = makeTempMonorepo();
  try {
    makeGameProject(mono.games, 'doudizhu');
    makeGameProject(mono.games, 'niuniu');
    mkdirSync(join(mono.games, 'not-a-project')); // 无 package.json，应被忽略
    const found = listGameProjects(mono.games).map((p) => p.split(/[\\/]/).pop()).sort();
    assert.deepEqual(found, ['doudizhu', 'niuniu']);
  } finally {
    cleanup(mono.root);
  }
});

test('listGameProjects 对不存在的目录返回空数组', () => {
  assert.deepEqual(listGameProjects('/no/such/dir'), []);
});

test('BUILD_WORKSPACE 不在 GAMES_DIR 之下（红线③：临时工程不得置于 games/ 下）', () => {
  assert.ok(
    BUILD_WORKSPACE !== GAMES_DIR && !BUILD_WORKSPACE.startsWith(GAMES_DIR + sep),
    `BUILD_WORKSPACE(${BUILD_WORKSPACE}) 不应落在 GAMES_DIR(${GAMES_DIR}) 之下`,
  );
});