Send proactive messages

import { LuaJob, Data, Channels } from 'lua-cli';

export default new LuaJob({
  name: 'appointment-reminders',
  description: 'Remind everyone with an appointment tomorrow, over WhatsApp',
  schedule: { type: 'cron', expression: '0 9 * * *', timezone: 'Europe/London' },
  async execute() {
    const tomorrow = new Date(Date.now() + 24 * 60 * 60 * 1000).toISOString().slice(0, 10);
    const due = await Data.get('appointments', { date: tomorrow }, 1, 100);

    for (const appt of due.data) {
      const { userId, time } = appt.data as { userId: string; time: string };
      try {
        await Channels.send({
          channel: 'whatsapp',
          to: { userId },
          text: `Reminder: your appointment is tomorrow at ${time}. Reply here to reschedule.`,
          options: { whatsapp: { onClosedWindow: 'fail' } },
        });
      } catch {
        // The 24-hour window is closed: only an approved template may be sent.
        await Channels.whatsapp.sendTemplate({
          to: { userId },
          templateName: 'appointment_reminder',
          languageCode: 'en_US',
          components: [{ type: 'body', parameters: [{ type: 'text', text: time }] }],
          messageContext: `Reminded the customer about their appointment tomorrow at ${time}`,
        });
      }
    }
    return { reminded: due.data.length };
  },
});

import { LuaTool, User, Channels } from 'lua-cli';
import { z } from 'zod';

export default class SendReceiptTool implements LuaTool {
  name = 'send_receipt';
  description = 'Email the current user a receipt and confirm it in the conversation';
  inputSchema = z.object({
    orderId: z.string(),
    total: z.string().describe('Formatted total, for example "£42.00"'),
  });

  async execute(input: z.infer<typeof this.inputSchema>) {
    const user = await User.get();
    if (!user) throw new Error('No user in this conversation');

    const email = await Channels.email.send({
      to: { userId: user._luaProfile.userId },
      subject: `Receipt for order ${input.orderId}`,
      text: `Thanks for your order. Total charged: ${input.total}.`,
    });

    await user.send([{ type: 'text', text: `I've emailed your receipt for order ${input.orderId}.` }]);
    return { deliveryId: email.deliveryId, status: email.status };
  }
}

✅ Selected job: appointment-reminders
…
Job returned: Object — fields: reminded
Output:
{ reminded: 0 }