choco-bot/commands/reminder.js

Whatsapp-bot

const fs = require('fs');

function reminder(remainingMessage, msg, client, reminders) {
  const messageParts = remainingMessage.split(' ');
  const chat = msg.getChat();
  const chatId = chat.id;

  if (messageParts.length < 2) {
    const usageMessage = "Usage: `Your reminder message /time` (e.g., `Wish me a happy birthday /30`)";
    client.sendMessage(chatId, usageMessage);
  } else {
    const reminderMessage = messageParts.slice(0, -1).join(' ');
    const timeInterval = messageParts[messageParts.length - 1];
    
    if (timeInterval.startsWith('/')) {
      const timeInMinutes = parseInt(timeInterval.slice(1));
      
      if (!isNaN(timeInMinutes)) {
        // Store the reminder in the JSON array
        reminders.push({
          chatId: chatId,
          reminderMessage: reminderMessage,
          timeInMinutes: timeInMinutes,
          setBy: msg.from,
        });

        // Save the updated reminders array to the JSON file
        const remindersData = '../reminders.json';
        fs.writeFileSync(remindersData, JSON.stringify(reminders, null, 2));

        client.sendMessage(chatId, "*Reminder set*");

        setTimeout(() => {
          // Find the reminder and send it when the time is up
          const reminderIndex = reminders.findIndex((r) => r.chatId === chatId && r.reminderMessage === reminderMessage);
          if (reminderIndex !== -1) {
            const reminder = reminders[reminderIndex];
            client.sendMessage(reminder.chatId, `Reminder set by ${reminder.setBy}: ${reminder.reminderMessage}`);
            // Remove the reminder from the array
            reminders.splice(reminderIndex, 1);
            // Update the JSON file
            fs.writeFileSync(remindersData, JSON.stringify(reminders, null, 2));
          }
        }, timeInMinutes * 60 * 1000);
      } else {
        client.sendMessage(chatId, "Invalid time format. Please specify a valid time (e.g., `/30` for 30 minutes).");
      }
    } else {
      client.sendMessage(chatId, "Please specify a valid time using `/time` (e.g., `/30` for 30 minutes).");
    }
  }
}

module.exports = {
  reminder,
};