#!/usr/bin/env npx tsx
/**
 * Telegram Bot CLI Chat Client
 * - Worker의 /api/test 엔드포인트를 통해 직접 대화
 * - 사용법: npx tsx scripts/chat.ts
 *          또는: npx tsx scripts/chat.ts "메시지"
 */

import * as readline from 'readline';

const WORKER_URL = process.env.WORKER_URL || 'https://telegram-summary-bot.kappa-d8e.workers.dev';
const WEBHOOK_SECRET = process.env.WEBHOOK_SECRET;
const USER_ID = process.env.TELEGRAM_USER_ID || '821596605';

interface TestResponse {
  input: string;
  response: string;
  user_id: string;
  error?: string;
}

async function sendMessage(text: string): Promise<string> {
  if (!WEBHOOK_SECRET) {
    return '❌ WEBHOOK_SECRET 환경변수가 필요합니다.\n   export WEBHOOK_SECRET="your-secret"';
  }

  try {
    const response = await fetch(`${WORKER_URL}/api/test`, {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
      },
      body: JSON.stringify({
        text,
        user_id: USER_ID,
        secret: WEBHOOK_SECRET,
      }),
    });

    const data = await response.json() as TestResponse;

    if (data.error) {
      return `❌ Error: ${data.error}`;
    }

    return data.response;
  } catch (error) {
    return `❌ Request failed: ${error}`;
  }
}

async function interactiveMode() {
  console.log('🤖 Telegram Bot CLI');
  console.log(`📡 ${WORKER_URL}`);
  console.log(`👤 User: ${USER_ID}`);
  console.log('─'.repeat(40));
  console.log('메시지를 입력하세요. 종료: exit\n');

  const rl = readline.createInterface({
    input: process.stdin,
    output: process.stdout,
  });

  const prompt = () => {
    rl.question('\x1b[36m>\x1b[0m ', async (input) => {
      const text = input.trim();

      if (text === 'exit' || text === 'quit' || text === 'q') {
        console.log('👋 종료');
        rl.close();
        process.exit(0);
      }

      if (!text) {
        prompt();
        return;
      }

      console.log('\x1b[33m⏳ 처리 중...\x1b[0m');
      const response = await sendMessage(text);
      console.log(`\n\x1b[32m🤖\x1b[0m ${response}\n`);
      prompt();
    });
  };

  prompt();
}

async function main() {
  const args = process.argv.slice(2);

  if (args.length > 0) {
    // 단일 메시지 모드
    const text = args.join(' ');
    const response = await sendMessage(text);
    console.log(response);
  } else {
    // 대화형 모드
    await interactiveMode();
  }
}

main().catch(console.error);