/**
 * Send an SMS via Meshkee (backend-only; never call from frontend).
 *
 * Usage:
 *   npm run send-sms -- --to 09127004945 --message "متن پیام"
 */
import { config as loadEnv } from 'dotenv';
import { resolve } from 'path';

loadEnv({ path: resolve(__dirname, '../.env') });

function arg(name: string, fallback?: string): string {
  const idx = process.argv.indexOf(`--${name}`);
  if (idx >= 0 && process.argv[idx + 1]) return process.argv[idx + 1];
  if (fallback !== undefined) return fallback;
  throw new Error(`Missing --${name}`);
}

async function main() {
  const to = arg('to');
  const message = arg('message');
  const apiUrl =
    process.env.MESHKEE_SMS_URL ??
    'https://api.meshkee.com/api/v1/public/sms/send';
  const apiKey = process.env.MESHKEE_SMS_API_KEY;
  const domain = process.env.MESHKEE_SMS_DOMAIN ?? 'baloutpastry.com';

  if (!apiKey) throw new Error('MESHKEE_SMS_API_KEY is not set in .env');
  if (!/^09\d{9}$/.test(to)) throw new Error('to must match 09xxxxxxxxx');
  if (!message.trim()) throw new Error('message is empty');

  const response = await fetch(apiUrl, {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
      'X-Api-Key': apiKey,
    },
    body: JSON.stringify({ domain, to, message }),
  });

  const body = await response.json().catch(() => null);
  if (!response.ok || !body?.success) {
    console.error('SMS send failed', { status: response.status, body });
    process.exit(1);
  }

  console.log('SMS sent', { to, serverId: body.serverId });
}

main().catch((err) => {
  console.error(err);
  process.exit(1);
});