import { test } from 'node:test';
import assert from 'node:assert/strict';
import { join } from 'node:path';
import { existsSync, readFileSync } from 'node:fs';
import { makeTempMonorepo, makeSeed, cleanup } from './helpers.mjs';
import { newGame } from '../new-game.mjs';
import { isLink } from '../lib/junction.mjs';

test('newGame 生成工程：改身份 + 挂 framework junction + 铺 game 骨架', () => {
  const mono = makeTempMonorepo();
  try {
    const seed = makeSeed(mono.root);
    const result = newGame('doudizhu', { seedDir: seed, gamesDir: mono.games, frameworkSrc: mono.framework });
    const dest = join(mono.games, 'doudizhu');
    assert.equal(result.projectDir, dest);
    const pkg = JSON.parse(readFileSync(join(dest, 'package.json'), 'utf8'));
    assert.equal(pkg.name, 'doudizhu');
    assert.notEqual(pkg.uuid, 'seed-uuid');
    const link = join(dest, 'assets', 'framework');
    assert.ok(isLink(link));
    assert.equal(readFileSync(join(link, 'README.md'), 'utf8'), '# framework src\n');
    assert.ok(existsSync(join(dest, 'assets', 'game', 'GameModule.ts')));
  } finally {
    cleanup(mono.root);
  }
});

test('newGame 拒绝重名工程', () => {
  const mono = makeTempMonorepo();
  try {
    const seed = makeSeed(mono.root);
    const opts = { seedDir: seed, gamesDir: mono.games, frameworkSrc: mono.framework };
    newGame('doudizhu', opts);
    assert.throws(() => newGame('doudizhu', opts), /已存在/);
  } finally {
    cleanup(mono.root);
  }
});

test('newGame 校验名称非空且合法', () => {
  const mono = makeTempMonorepo();
  try {
    const seed = makeSeed(mono.root);
    const opts = { seedDir: seed, gamesDir: mono.games, frameworkSrc: mono.framework };
    assert.throws(() => newGame('', opts), /名称/);
    assert.throws(() => newGame('Bad Name!', opts), /名称/);
  } finally {
    cleanup(mono.root);
  }
});