fasting-tracker/index.js

Türkiye'deki şehirler için iftar ve sahur saatlerini getiren, hatırlatma ve Discord Webhook desteği sunan Node.js paketi.

const fetch = require("node-fetch");

const API_URL = "https://utku.berkaykoc.net/api/entertainment/fast-track";

/**
 * Fetches iftar and sahur times for a given city.
 * @param {string} city - The city name.
 * @returns {Promise<Object>} - Returns an object with imsak (sahur) and iftar times.
 */
async function getFastTrack(city) {
  try {
    if (!city || typeof city !== "string") {
      throw new Error("City name is required.");
    }

    const response = await fetch(`${API_URL}?city=${encodeURIComponent(city)}`);
    if (!response.ok) {
      throw new Error(`HTTP Error: ${response.status}`);
    }

    const data = await response.json();
    return data;
  } catch (error) {
    throw new Error(`FastTrack API error: ${error.message}`);
  }
}

/**
 * Sets a reminder for iftar or sahur, with optional Discord webhook notifications.
 * @param {string} city - The city name.
 * @param {string} type - "imsak" or "iftar".
 * @param {number} minutesBefore - Minutes before the time to send a reminder.
 * @param {string} [webhookUrl] - Optional Discord webhook URL.
 */
async function setReminder(city, type = "iftar", minutesBefore = 10, webhookUrl = "") {
  const times = await getFastTrack(city);
  if (!times[type]) {
    throw new Error(`Invalid time type: ${type}`);
  }

  const now = new Date();
  const [hour, minute] = times[type].split(":").map(Number);
  const targetTime = new Date(now.getFullYear(), now.getMonth(), now.getDate(), hour, minute, 0);
  const reminderTime = new Date(targetTime - minutesBefore * 60 * 1000);
  const delay = reminderTime - now;

  if (delay <= 0) {
    throw new Error(`The specified time has already passed.`);
  }

  console.log(`✅ Reminder set for ${city} - ${type} in ${minutesBefore} minutes.`);

  setTimeout(async () => {
    const message = `🔔 **Reminder:** It's almost time for **${type.toUpperCase()}** in **${city}**!`;

    console.log(message);

    if (webhookUrl) {
      try {
        await fetch(webhookUrl, {
          method: "POST",
          headers: { "Content-Type": "application/json" },
          body: JSON.stringify({ content: message })
        });
        console.log("✅ Notification sent to Discord webhook.");
      } catch (error) {
        console.error("❌ Failed to send Discord webhook:", error.message);
      }
    }
  }, delay);
}

module.exports = { getFastTrack, setReminder };