/**
 * test_tts.js - TTS API テスト
 * node test_tts.js
 */
const https = require('https');
const fs = require('fs');
const path = require('path');

const envContent = fs.readFileSync(path.join(__dirname, '.env'), 'utf8');
const COOKIE_STR = envContent.match(/ALEXA_COOKIE=(.+)/)[1].trim();

function makeRequest(url, options = {}, extraCookies = '') {
  return new Promise((resolve, reject) => {
    const parsed = new URL(url);
    const allCookies = COOKIE_STR + (extraCookies ? '; ' + extraCookies : '');
    const reqOpts = {
      hostname: parsed.hostname,
      path: parsed.pathname + parsed.search,
      method: options.method || 'GET',
      headers: {
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36',
        'Accept': 'application/json, text/plain, */*',
        'Accept-Language': 'ja-JP,ja;q=0.9',
        'Cookie': allCookies,
        ...(options.headers || {}),
      },
    };
    const req = https.request(reqOpts, (res) => {
      let body = '';
      res.on('data', d => body += d);
      res.on('end', () => resolve({ status: res.statusCode, headers: res.headers, body }));
    });
    req.on('error', reject);
    if (options.body) req.write(options.body);
    req.end();
  });
}

async function main() {
  // 1. CSRFトークン取得
  console.log('[1] CSRF token取得...');
  const langRes = await makeRequest('https://alexa.amazon.co.jp/api/language');
  const setCookies = langRes.headers['set-cookie'] || [];
  const csrfCookieStr = setCookies.find(c => c.startsWith('csrf='));
  const csrfToken = csrfCookieStr ? csrfCookieStr.split('=')[1].split(';')[0] : null;
  console.log('    CSRF token:', csrfToken);
  console.log('    Status:', langRes.status);

  if (!csrfToken) { console.error('CSRF token not found!'); process.exit(1); }

  // 2. デバイス一覧取得
  console.log('[2] デバイス一覧取得...');
  const devRes = await makeRequest('https://alexa.amazon.co.jp/api/devices-v2/device?cached=false');
  console.log('    Status:', devRes.status);
  const devices = JSON.parse(devRes.body).devices || [];
  console.log('    Device count:', devices.length);

  // デバイス一覧表示
  devices.filter(d => d.deviceFamily !== 'TABLET').forEach(d => {
    console.log(`    - ${d.accountName} (type=${d.deviceType}, serial=${d.serialNumber})`);
  });

  // プレハブを探す
  const target = devices.find(d => d.serialNumber === 'G0922H08525302K5');
  console.log('\nTarget device:', target ? `${target.accountName}` : 'NOT FOUND');

  if (!target) { process.exit(1); }

  // 2.5. カスタマーIDを取得
  const bootstrapRes = await makeRequest('https://alexa.amazon.co.jp/api/bootstrap');
  const bootstrap = JSON.parse(bootstrapRes.body);
  const customerId = bootstrap.authentication?.customerId;
  console.log('    Customer ID:', customerId);

  // 3. TTSリクエスト
  const sequenceObj = {
    '@type': 'com.amazon.alexa.behaviors.model.Sequence',
    startNode: {
      '@type': 'com.amazon.alexa.behaviors.model.OpaquePayloadOperationNode',
      type: 'Alexa.Speak',
      operationPayload: {
        deviceType: target.deviceType,
        deviceSerialNumber: target.serialNumber,
        customerId: customerId,
        locale: 'ja-JP',
        textToSpeak: 'テストです。聞こえますか',
      },
    },
  };

  const bodyObj = {
    behaviorId: 'PREVIEW',
    sequenceJson: JSON.stringify(sequenceObj),
    status: 'ENABLED',
  };
  const body = JSON.stringify(bodyObj);

  console.log('\n[3] TTS送信...');

  const ttsRes = await makeRequest('https://alexa.amazon.co.jp/api/behaviors/preview', {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
      'csrf': csrfToken,
      'Referer': 'https://alexa.amazon.co.jp/spa/index.html',
      'Origin': 'https://alexa.amazon.co.jp',
    },
    body,
  }, `csrf=${csrfToken}`);

  console.log('TTS status:', ttsRes.status);
  console.log('TTS response:', ttsRes.body.substring(0, 500));

  if (ttsRes.status === 200 || ttsRes.status === 202) {
    console.log('\n成功！エコーがしゃべるはずです。');
  }
}

main().catch(console.error);