import test from 'node:test';
import assert from 'node:assert/strict';
import { readFileSync } from 'node:fs';
import { runInNewContext } from 'node:vm';
import ts from 'typescript';
import { ConfigFetchError, ConfigParseError } from '../../YouleNexus/assets/framework/config/remote-config.ts';

// 在引擎资源边界验证错误、JSON 解析和缓存释放，不以 HTTP 模拟项目资源。
function fixture(debug: boolean, text: string, error?: Error, debugIO = false) {
  const calls: string[] = [];
  const logs: unknown[][] = [];
  const exports: any = {};
  class TextAsset {}
  const resources = {
    load(path: string, type: unknown, done: Function) {
      assert.equal(type, TextAsset); calls.push(`load:${path}`); done(error, { text });
    },
    release(path: string, type: unknown) { assert.equal(type, TextAsset); calls.push(`release:${path}`); },
  };
  const source = readFileSync(new URL('../../YouleNexus/assets/scripts/platform-login/local-config-fetcher.ts', import.meta.url), 'utf8');
  runInNewContext(ts.transpileModule(source, {
    compilerOptions: { module: ts.ModuleKind.CommonJS, target: ts.ScriptTarget.ES2020 },
  }).outputText, { exports, console: {log: (...args:unknown[])=>logs.push(args)}, require(name: string) {
    if (name === 'cc') return { resources, TextAsset };
    if (name === 'cc/env') return { DEBUG: debug };
    if (name.endsWith('/profiles.ts')) return { STARTUP_CONFIG: { debugIO } };
    if (name.endsWith('/remote-config.ts')) return { ConfigFetchError, ConfigParseError };
    throw Error(`Unexpected import: ${name}`);
  } });
  return { fetcher: new exports.CocosLocalConfigFetcher(), calls, logs };
}

test('config logging emits the parsed object and is silent when disabled', async () => {
  for(const enabled of [false,true]){
    const f=fixture(true,'{"showVisitor":1}',undefined,enabled);
    const data=await f.fetcher.fetch('dev-config/test');
    assert.deepEqual(f.logs,enabled?[['[Config LOCAL]','dev-config/test.txt',data]]:[]);
    if(enabled)assert.equal(typeof f.logs[0][2],'object');
  }
});

test('project txt parses JSON and releases the asset after every load', async () => {
  const f = fixture(true, '{"showVisitor":1}');
  assert.equal((await f.fetcher.fetch('dev-config/test')).showVisitor, 1);
  await f.fetcher.fetch('dev-config/test');
  assert.deepEqual(f.calls, ['load:dev-config/test', 'release:dev-config/test', 'load:dev-config/test', 'release:dev-config/test']);
});

test('release build never loads local txt; missing or malformed assets expose source errors', async () => {
  const release = fixture(false, '{}');
  await assert.rejects(release.fetcher.fetch('dev-config/test'), ConfigFetchError);
  assert.deepEqual(release.calls, []);
  const missing = fixture(true, '', Error('not found'));
  await assert.rejects(missing.fetcher.fetch('dev-config/test'), /test.txt.*not found/);
  const malformed = fixture(true, 'not json');
  await assert.rejects(malformed.fetcher.fetch('dev-config/test'), ConfigParseError);
  assert.deepEqual(malformed.calls, ['load:dev-config/test', 'release:dev-config/test']);
});