const functions = require("firebase-functions");
const admin = require("firebase-admin");
const { error } = require("firebase-functions/logger");
const { projectID } = require("firebase-functions/params");
var serviceAccount = require("./rhsite-web-firebase-adminsdk-ds235-6b597b7ee3.json");
// const { DateTime } = require('luxon');

admin.initializeApp({
    credential: admin.credential.cert(serviceAccount)
  });
const database = admin.firestore();

exports.sendNotificationForDates = functions.pubsub.schedule('* * * * *').onRun(async (context) => {
  try {
    const habitsSnapshot = await admin.firestore().collection('natural_app_active_habits').get();
    console.log('Function started');
       habitsSnapshot.forEach((habitDoc) => {
      const habitData = habitDoc.data();
      const { fcmToken, userId, talkingCricketId, item ,dates} = habitData;

    
      dates.forEach(date => {
        console.log(' habit dates ===============> ',dates);
      
      const currentTime = new Date();
      const currentHourMinute = currentTime.toLocaleString(undefined, { year: 'numeric', month: '2-digit', day: '2-digit', hour12: false, hour: '2-digit', minute: '2-digit' });
    //   console.log(' current date and time ===============> ',currentHourMinute);
   
        const dateObj = new Date(date.seconds * 1000); // Convert Firestore timestamp to JavaScript Date object
        const habitHourMinute = dateObj.toLocaleString(undefined, { year: 'numeric', month: '2-digit', day: '2-digit', hour12: false, hour: '2-digit', minute: '2-digit' });
        console.log(' habit date and time ===============> ',habitHourMinute);
        if (habitHourMinute === currentHourMinute) {
          const payload = {
            notification: {
              title: item.title,
              body: item.description,
              imageUrl: item.image, // Assuming you want to include image URL in notification
            },
            data: {
              userId: userId,
            }
          };

          // Send notification to user
          admin.messaging().sendToDevice(fcmToken, payload)
            .then(async(response) => {
              console.log('Notification sent successfully:', response);
              await admin.firestore().collection('natural_app_notifications').add({
                userId: userId,
                title: item.title,
                description: item.description,
                imageUrl:item.image,
                talkingCricketItem:item,
                createdAt: admin.firestore.FieldValue.serverTimestamp()
              });
            })
            .catch((error) => {
              console.error('Error sending notification:', error);
            });
           
        }
      });
    });
  } catch (error) {
    console.error('Error in Cloud Function:', error);
  }
});