import assert from 'node:assert/strict';
import { readFile } from 'node:fs/promises';
import test from 'node:test';
import vm from 'node:vm';
import ts from 'typescript';

const source = (path) => readFile(new URL(path, import.meta.url), 'utf8');

const preferenceRuntime = async (storage = new Map()) => {
  const service = await source('../src/services/tts-voice-preference.ts');
  const compiled = ts.transpileModule(service, {
    compilerOptions: { module: ts.ModuleKind.CommonJS, target: ts.ScriptTarget.ES2020 }
  });
  const runtimeModule = { exports: {} };
  vm.runInNewContext(compiled.outputText, {
    exports: runtimeModule.exports,
    module: runtimeModule,
    uni: {
      getStorageSync: (key) => storage.get(key),
      setStorageSync: (key, value) => storage.set(key, value)
    }
  });
  return runtimeModule.exports;
};

test('播报音色按租户和账号隔离保存，非法值回退跟随场景', async () => {
  const storage = new Map();
  const runtime = await preferenceRuntime(storage);

  assert.equal(runtime.getTtsVoicePreference('000000', '13800000000'), '');
  assert.equal(runtime.setTtsVoicePreference('000000', '13800000000', 'longanhuan_v3.6'), 'longanhuan_v3.6');
  assert.equal(runtime.getTtsVoicePreference('000000', '13800000000'), 'longanhuan_v3.6');
  assert.equal(runtime.getTtsVoicePreference('000000', '13900000000'), '');
  assert.equal(runtime.setTtsVoicePreference('000000', '13800000000', 'untrusted-voice'), '');
  assert.equal(runtime.setTtsDialectPreference('000000', '13800000000', 'shanghai'), 'shanghai');
  assert.equal(runtime.getTtsDialectPreference('000000', '13800000000'), 'shanghai');
});

test('全局选择只覆盖 voice，保留场景角色、情绪、语速和方言', async () => {
  const runtime = await preferenceRuntime();
  const profile = { role: 'customer', emotion: 'intense', speed: 1.12, dialect: 'sichuanese' };

  assert.deepEqual(
    JSON.parse(JSON.stringify(runtime.applyTtsVoicePreference(profile, 'longanhuan_v3.6', 'shanghai'))),
    { ...profile, voice: 'longanhuan_v3.6', dialect: 'shanghai' }
  );
  assert.deepEqual(JSON.parse(JSON.stringify(runtime.applyTtsVoicePreference(profile, ''))), profile);
});

test('语音播放链路在合成前统一注入全局音色，且缓存键包含处理后的 profile', async () => {
  const sourceText = await source('../src/services/speech.ts');

  assert.match(sourceText, /applyTtsVoicePreference/);
  assert.match(sourceText, /getTtsVoicePreference/);
  assert.match(sourceText, /cacheKey\(value, effectiveProfile, practiceContext\)/);
  assert.match(sourceText, /synthesizeSpeech\(value, effectiveProfile, practiceContext\)/);
});