import { describe, it, expect } from 'vitest';
import enUS from '@/lib/i18n/locales/en-US.json';
import zhCN from '@/lib/i18n/locales/zh-CN.json';
import zhTW from '@/lib/i18n/locales/zh-TW.json';
import jaJP from '@/lib/i18n/locales/ja-JP.json';
import ruRU from '@/lib/i18n/locales/ru-RU.json';
import arSA from '@/lib/i18n/locales/ar-SA.json';
import ptBR from '@/lib/i18n/locales/pt-BR.json';

const locales = {
  'en-US': enUS,
  'zh-CN': zhCN,
  'zh-TW': zhTW,
  'ja-JP': jaJP,
  'ru-RU': ruRU,
  'ar-SA': arSA,
  'pt-BR': ptBR,
};

// New keys introduced for the TTS provider-enablement model (#665).
const KEYS = [
  'settings.ttsProviderEnabledLabel',
  'settings.ttsProviderEnabledHint',
  'settings.ttsProviderUnavailableHint',
  'settings.ttsProviderDisabledByAdmin',
  'agentBar.noVoice',
];

// eslint-disable-next-line @typescript-eslint/no-explicit-any -- locale JSON traversal
const get = (o: any, k: string) => k.split('.').reduce((a, p) => a?.[p], o);

describe('TTS enablement locale coverage (#665)', () => {
  it('every key exists, non-empty, and does not echo the key, in all 7 locales', () => {
    for (const [code, data] of Object.entries(locales)) {
      for (const k of KEYS) {
        const v = get(data, k);
        expect(typeof v, `${code} missing ${k}`).toBe('string');
        expect((v as string).trim(), `${code} empty ${k}`).not.toBe('');
        expect(v, `${code} echoes ${k}`).not.toBe(k);
      }
    }
  });
});